Journal articles on the topic 'E-R Diagram'

This paper presents a web application to support the teaching-learning process of undergraduate database courses, which allows students to practice their knowledge on data modeling using Entity-Relationship (E-R) diagrams. The web application is oriented to teachers and students: teachers prepare examples and exercises, which can have associated E-R diagrams; on the other hand, students are able to design E-R diagrams, which they can review at any time, they also have the option of viewing and solve some of the exercises designed by the teacher. The development of the web application is explained; a comparison of similar existing E-R diagram systems is presented; and the operation of the web application is shown through the creation of an E-R diagram. The results of an instrument applied to students for the evaluation of the web application are provided.

Business case mining and business rule discovery are at the center for entity relationship (E-R) modeling and database design to obtain E-R models. How to transform business cases through business rules into E-R models is a fundamental issue for database design. This article addresses this issue by exploring business case mining and E-R modeling optimization. Business case mining is business rule discovery from a business case. This article reviews case-based reasoning, explores business case-based reasoning, and presents a unified approach to business case mining for business rule discovery. The approach includes people-centered entity/business rule discovery and function-centered entity/business rule discovery. E-R modeling optimization aims to improve the E-R modeling process to get a better E-R diagram that reflects the business case properly. This article proposes a unified optimal method for E-R modeling. The unified optimal method includes people-centered E-R modeling, function-centered E-R modeling, and hierarchical E-R modeling. The approach proposed in this research will facilitate the research and development of E-R modeling, database design, data science, and big data analytics.

AbstractB[e] supergiants show evidence for a non-spherical two-component stellar wind. The general appearance and the physical properties of the suggested disk-like configuration are discussed. The high mass-loss rates, the surprisingly large number and the location in the H-R diagram make these stars important for the understanding of the post-main-sequence evolution of massive stars.

Archive management system based on modern information technology as the support, the archives information as management object, the archives work as the core and implement management information system, database design is the core work of the development of archives management system work, this article launches the research from four aspects according to the database design process. First, from the business requirements, functional requirements, performance requirements, such as security requirements for demand analysis; Second, according to the result of requirement analysis, conceptual design using E-R diagram; Third, converting E-R diagram logic structure supported by the database management system; Fourth, for the logic model to determine the storage structure and access method. In this paper, it based on the relational database design, a relational database with full-text database is the development direction of the future.

Archive management system based on modern information technology as the support, the archives information as management object, the archives work as the core and implement management information system, database design is the core work of the development of archives management system work, this article launches the research from four aspects according to the database design process. First, from the business requirements, functional requirements, performance requirements, such as security requirements for demand analysis; Second, according to the result of requirement analysis, conceptual design using E-R diagram; Third, converting E-R diagram logic structure supported by the database management system; Fourth, for the logic model to determine the storage structure and access method. In this paper, it based on the relational database design, a relational database with full-text database is the development direction of the future.

ABSTRAK Cloud Computing atau komputasi awan adalah gabungan pemanfaatan teknologi komputer ('komputasi') dan pengembangan berbasis Internet ('awan'). Awan (cloud) adalah metafora dari internet, sebagaimana awan yang sering digambarkan pada diagram jaringan computer. Selain seperti awan dalam diagram jaringan komputer, awan (cloud) dalam cloud computing juga merupakan abstraksi dari infrastuktur kompleks yang disembunyikannya. Private Cloud Storage dengan kolaborasi komponen Service Oriented Architecture mampu menyediakan antarmuka yang efisien untuk proses berjalannya lembaga dan berfungsi sebagai Virtualization Server dan Online Storage yang dapat diakses menggunakan Fixed Device dan Mobile Device seperti Smartphone Android, Komputer Pad, dan PC Tablet melalui koneksi jaringan lokal dan internet.Sebagai fungsi manfaat dari cloud sendiri bisa di manfaatkan kedalam kebutuhan E-Learning, mengingat dari segi kemudahan, kebutuhan, dan keamanan, cloud computing terbilang metode yang pas dalam menerapkan kebutuhan tersebut. Dimana setiap data berhak di simpan secara bebas, luas dan aman tentunya. ABSTRACT Cloud Computing is a combination of the use of computer technology and cloud of Internet-based development. Clouds are metaphors of the Internet, as are clouds that are often depicted in computer network diagrams. In addition to clouds in computer network diagrams, clouds in computing technology are also an abstraction of the complex infrastructure it conceals. Private Cloud Storage with Service Oriented Architecture component collaboration is able to provide an efficient interface for the running process of the institution and serves as Virtualization Server and Online Storage that can be accessed using Fixed Devices and Mobile Devices such as Android Smartphone, Pad Computer and Tablet PC via local network connection and Internet.As function of the benefits of the cloud itself can be utilized into the needs of E-Learning, given the ease, needs, and security, cloud computing spelled out the right method in applying these needs. Where every data is entitled to save freely, broadly and safely of course.How to Cite : Santiko, I. Rosidi, R., Wibawa. S. A (2017). PEMANFAATAN PRIVATE CLOUD STORAGE SEBAGAI MEDIA PENYIMPANAN DATA E-LEARNING PADA LEMBAGA PENDIDIKAN. Jurnal Teknik Informatika, 10(2), 137-146. doi:10.15408/jti.v10i2.6992Permalink/DOI: http://dx.doi.org/10.15408/jti.v10i2.6992

Berdasarkan hasil penelitian penulis, ditemukan beberapa permasalahan yang sering terjadi dalam pengarsipan saat ini yaitu kesulitan dalam pencarian surat, terjadinya kehilangan atau kerusakan data, serta sulitnya membuat laporan jika sewaktu-waktu diperlukan. Dilihat dari permasalahan diatas maka dibutuhkan program aplikasi untuk mengatasi masalah tersebut. Metode yang digunakan untuk menganalisa dan merancang sistem informasi pengarsipan ini adalah metode System Development Life Cycle (SDLC). Adapun implementasi dan perancangan yang penulis gunakan yaitu dengan menggunakan Flow Map, Data Flow Diagram, Structure Chart, Diagram E-R, Flow Chart, dan menggunakan bahasa pemograman Visual Studio 2010 serta Microsoft Access 2010 sebagai databasenya. Perancangan sistem informasi pengarsipan ini diharapkan dapat memudahkan Kepala Seksi Umum (Kasium) dalam melaksanakan pekerjaan pengarsipan seperti pencarian data arsip, mengantisipasi terjadinya kerusakan dan kehilangan data, serta memudahkan dalam membuat laporan jika sewaktu-waktu diperlukan.

ABSTRACT We use photometric and spectroscopic observations of the eclipsing binary E32 in the globular cluster 47 Tuc to derive the masses, radii, and luminosities of the component stars. The system has an orbital period of 40.9 d, a markedly eccentric orbit with e = 0.24, and is shown to be a member of or a recent escaper from the cluster. We obtain $M_{\rm p} = 0.862\pm 0.005 \, \mathrm{M}_\odot$, $R_{\rm p} = 1.183\pm 0.003 \, \mathrm{R}_\odot$, $L_{\rm p} = 1.65\pm 0.05 \, \mathrm{L}_\odot$ for the primary and $M_{\rm s} = 0.827\pm 0.005 \, \mathrm{M}_\odot$, $R_{\rm s} = 1.004\pm 0.004 \, \mathrm{R}_\odot$, $L_{\rm s} = 1.14\pm 0.04\, \mathrm{L}_\odot$ for the secondary. Based on these data and on an earlier analysis of the binary V69 in 47 Tuc, we measure the distance to the cluster from the distance moduli of the component stars, and, independently, from a colour – surface brightness calibration. We obtain 4.55 ± 0.03 and 4.50 ± 0.07 kpc, respectively – values compatible within 1$\, \sigma$ with recent estimates based on Gaia DR2 parallaxes. By comparing the M–R diagram of the two binaries and the colour–magnitude diagram of 47 Tuc to Dartmouth model isochrones we estimate the age of the cluster to be 12.0 ± 0.5 Gyr, and the helium abundance of the cluster to be Y ≈ 0.25.

In this paper, the mechanical properties of the material that define its mechanical behavior are experimentally investigated. All performed experimental tests and analyzes are related to C15E + C steel. The tested material was delivered as cold drawn round bar. It is usually used in mechanical engineering for design of low stressed components. Experimentally obtained results relate to the maximum tensile strength, yield strength, creep behavior, and uniaxial fully reversed high cyclic fatigue. Results representing mechanical properties are shown in the form of engineering stress–strain diagrams, while creep behavior of the material at different temperatures and different stress levels is displayed in the form of creep curves. Tests representing uniaxial cyclic fully reversed mechanical fatigue at constant stresses and room temperature in air are shown in the form of fatigue-life (S−N) diagram. Some of the experimental results obtained are as follows: ultimate tensile strength (σm(20 °C/500 °C)=(598/230) MPa), yield strength (σ0.2(20 °C/500 °C)=(580/ 214 ) MPa ), modulus of elasticity (E(20 °C/500 °C)=(213/106) GPa), and fatigue limit (σf(20 °C, R=−1)=250.83 MPa). The fatigue tests were performed at frequency of 40 Hz and at room temperature (20 °C) in air, with stress ratio of R=−1.

Penelitian ini membahas Pengembangan Model Sistem Penerimaan Mahasiswa Baru (PMB) pada lembaga Perguruan Tinggi Keagamaan Islam Negeri (PTKIN). Dengan melewati pengembangan model aplikasi PMB di PTKIN ini dapat diperoleh input mahasiswa yang mampu berprestasi akademik tinggi. Untuk mengembangkan model tersebut, maka dideskrispsikan terlebih dahulu tentang kebijakan Penerimaan Mahasiswa Baru Perguruan Tinggi Keagamaan Islam Negeri (PTKIN) di Indonesia dan melakukan studi tentang penerimaan mahasiswa baru di dua PTKIN yaitu UIN Sunan Gunung Djati Bandung dan UIN Sultan Syarif Kasim Riau. Di samping melakukan studi sistem penerimaan mahasiswa baru di perguruan tinggi terkemuka di Asia Tenggara yaitu Asia e-University Malaysia. Berdasarkan hasil riset dan analisis teori, maka dibuatlah rancangan aplikasi penerimaan mahasiswa baru Perguruan Tinggi Agama Islam Negeri berbasis web atau teknologi informasi. Pendekatan jenis kualitatif, riset dan pengembangan (R & D) merupakan pendekatan yang digunakan dalam penelitian ini. Guna untuk menghasilkan hasil yang berbentuk PMB di PTKIN. Model tersebut adalah model berbasis online atau web yang dikembangkan untuk kepentingan mutu akademik. Aplikasi penerimaan PMB menggunakan pendekatan yang bertujuan objek pada metode Unified Modeling Language (UML) untuk mendapatkan hasil pada penelitian ini. Perancangannya memuat system dengan menggunakan model dan dapat dinyatakan bagian dari fungsi yang tersedia dengan menggunakan Use Case diagram. Kemudian system yang digunakan actor dengan aturan aktifitas merupakan analisis Activity diagram. Adapun yang menggunakan tahap perencanaan kelas dari tahap analisis kelas yaitu Activity class diagram. Kemudian sequence diagram, arsitekstur jaringan, dan arsitekstur sistem

Develop an expert system as supporting legacy property distribution of decision which based on the Islamic law. This expert system expected can help everyone who need distribution value of legacy property by using distribution method based on the Islamic law. The legacy property value which will be distributed is legacy property after taken by the will if it was. And debt, corpse of administration cost. The distribution result is an percentage value for each heir who have right to get the property legacy after distribution process. Determination of nominal value of legacy property will not be count in this system. The user system can obtain nominal value of distribution property by multiplying the distribution percentage with whole value of legacy property. The result that taken form this expert system is output as information of heir group who has right to the legacy, and percentage value for each heir who has right to get the legacy. The inference method that used in this expert system is Forward Chaining Method. The method that used for system analysis and designing is Data Flow Oriented method by using Data Flow Diagram (DFD) tool. The database design is using Entity-Relationship Diagram (E-R Diagram) relation model.

OBJETIVO: Avaliar as correlações entre diversos instrumentos de avaliação de dispneia, dados espirométricos e de tolerância ao exercício e índice Body mass index, airway Obstruction, Dyspnea, and Exercise capacity (BODE) em pacientes com DPOC. MÉTODOS: Entre março de 2008 e julho de 2009, de 79 pacientes com DPOC recrutados, 50 foram selecionados. Esses pacientes retornaram após um mês de tratamento regular com formoterol e responderam aos seguintes instrumentos: escala modified Medical Research Council (mMRC), Baseline Dyspnea Index (BDI), Oxygen Cost Diagram (OCD) e Shortness Of Breath Questionnaire (SOBQ). Em seguida, realizaram espirometria e teste de caminhada de seis minutos (TC6), com a medição da distância percorrida no TC6 (DTC6), medida de SpO2 inicial e final, e graduação da dispneia pela escala analógica visual (EAV) e escala de Borg. RESULTADOS: As melhores correlações entre os instrumentos foram entre Borg e EAV (r s = 0,79) e BDI e SOBQ (r s = -0,73). Entre as escalas unidimensionais (VAS, mMRC, OCD e de Borg), apenas VAS se correlacionou com os parâmetros de espirometria, ao passo que as escalas multidimensionais BDI e SOBQ apresentaram fraca correlação. Houve boas correlações entre mMRC, BDI e SOBQ com DTC6. Entre os parâmetros espirométricos, a capacidade inspiratória (CI) e CVF tiveram as melhores correlações com DTC6. Na análise multivariada, BDI e CI foram selecionados como os melhores preditores para DTC6. CONCLUSÕES: Escalas multidimensionais de dispneia devem ser aplicadas para avaliar pacientes com DPOC.

In current software architecture evolution community, Trusted attributes of component are less considered; and the concept of trusted software architecture evolution has not generally agreed. Focused on above shortages, This paper propose the idea of trusted software architecture evolution, it helps to increase the trustworthiness of evolution; on the basis of graph transformation rule, establish some basic evolution rules, Evolution operations are implemented according to these evolution rules. It can ensure the exactness of evolution process. The paper also introduce E-R diagram to represent trusted software architecture evolution; and finally through an evolution case, exactly and visually describes the sophisticated evolution process of trusted software architecture evolution.

Symbiotic stars have sometimes been misidentified as planetary nebulae, because their line spectra are similar to those of planetary nebulae particularly in the ultraviolet L.(Houziaux 1982 in “The Nature of Symbiotic Stars”, M. Friedjung & R. Viotti eds., Reidel. p 229), while the infrared shows the presence of the spectrum of a cool star. The similarity is not complete; when H. E. Schwarz (1988 in “The Symbiotic Phenomenon”, J. Mikolajewska et al eds., Kluwer, p 123) plotted a graph of two ratios derived from emission line fluxes, symbiotic stars did not occupy the regions of the diagram occupied by planetary nebulae and H II regions.

AbstractWe review general properties and capabilities of the instrumentation employed to diagnose cosmic magnetic fields using medium-size and large optical telescopes. During the last decade these spectropolarimeters and high-resolution spectrographs have been successfully used to detect and characterize magnetic fields in stars across the H-R diagram. A new generation of high-resolution spectropolarimeters will benefit from the large collecting area of the future E-ELT and currently operating 8-m class telescopes. We review plans to develop spectropolarimeters for these very large telescopes and outline a number of science cases where new spectropolarimetric instrumentation is expected to play a key role.

This paper presents a brief review on the ternary phase equilibria in the ternary AV–BVI–I systems (AV = Sb, Bi; BVI = S, Se, Te). These systems includes the series of ternary compounds those are very attractive source materials for photo-, thermos- and ferroelectric energy transformation along the recently discovered semiconductors that exhibit Rashba-type spin splitting in their surface states. In the Rashba semiconductors, a unique toroidal 3D Fermi surface appears on the crystal surface, which leads to unusual properties that make it possible to realize unique electronic devices based on these compounds. The thorough knowledge on the ternary phase diagram of these systems shed light on the chemical and structural design of new multifunctional materials with tunable properties. This knowledge is very important whenfocusing on the chemistry of such multifunctional materials based on complex element systems. REFERENCES Audzijonis A., Sereika R., Ћaltauskas R. 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Zu den pseudobinären Zustandssystemen Bi2Ch3-BiX3 und den ternären Phasen auf diesen Schnitten (Ch = S, Se, Te; X = Cl, Br, I), I: Bismutsulfi dhalogenide/The Pseudobinary Systems Bi2Ch3–BiX3 and the Ternary Phases on their Boundary Lines (Ch = S, Se, Te; X = Cl, Br, I), I: Bismuth Sulfi de Halides. Z. Naturforsch. 2003, v. 58b, pp. 725–740. https://doi.org/10.1515/znb-2003-0803 (in German) Haase-Wessel W. Die Kristallstruktur des Wismutsulfi djodids (BiSJ). Naturwissenschaften, 1973, v. 60, pp. 474–474. https://doi.org/10.1007/bf00592859 (in German) Miehe G., Kupcik V. Die Kristallstruktur des Bi(Bi2S3)9J3. Naturwissenschaften, 1971, v. 58, pp. 219–219. DOI: 10.1007/bf00591851 (in German) Turjanica I. D., Zajachkovskii N. F., Zajachkovskaja N. F., Kozmanko I. I. Investigation of the BiI3–Bi2Se3 system. Izv. Akad. Nauk, Neorg. Mater., 1974, v. 11(10), p. 1884. (in Russ.) Belotskii D. P., Lapsin V. F., Baichuk R. F. The BiI3–Bi2Se3 system. Izv. Akad. Nauk Neorg. Mater., 1971, v. 7(11), p. 1936. (in Russ.) Dolgikh V. A., Odin I. N., Popovkin B. A., Novoselova A. V. P-T-x phase diagram of the BiI3–Bi2Se3 system. Vestn. Mosk. Univ., Dep. VINITI., 1973, v. 23(3), Dep. No. 5683-73. (in Russ.) Dolgikh V. A., Popovkin B. A., Ivanova G. I., Novoselova A. V. Investigation of the sublimation of the SbSeI and BiSeI. Izv. Akad. Nauk, Neorg. Mater., 1975, v. 11(4), p. 637. (in Russ.) Petasch U., Goebel H., Oppermann H. Untersuchungen zum quasibinären System Bi2Se3/BiI3. Z. Anorg. Allg. Chem., 1998, v. 624, p. 1767. https://doi.org/10.1002/(sici)1521-3749(1998110)624:11<1767::aidzaac1767>3.0.co;2-t (in German) Doenges E. Z. Über Chalkogenohalogenide des dreiwertigen Antimons und Wismuts. II. Über Selenohalogenide des dreiwertigen Antimons und Wismuts und über Antimon(III)-selenid Mit 2 Abbildungen. Anorg. Allg. Chem., 1950, v. 263(5–6), pp. 280–291. https://doi.org/10.1002/zaac.19502630508 (in German) Braun T. P., DiSalvo F. J. Bismuth selenide iodide. 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Storage management system manages and controls the storage out-warehouse activities, has a great significance for enterprises coordinate production and management and improve economic efficiency. For the difficult problems of storage management system development, in this paper, design the function and database. Function design, according to business process, design function module structure chart and describe each function module. Database design mainly includes concept structure design and logical structure design, design conceptual structure with E-R diagram for example of "commodity sales warehouse-out", design relation structure for example of "customers purchase commodity". It is necessary to develop storage management system to achieve the rational management of commodity purchase, sales and stock, the content of this paper has laid the basis of the development of storage management system.

This paper includes a comprehensive case that details a simplified business system for the Drifters Snowboard Company. We include a description of the business processes of Drifters relative to the data needs which includes an entity-relationship (ER) dia-gram and a unified modeling language (UML) diagram. Both diagrams are con-structed to compare and contrast each method and to give those that perform modeling tasks a sense of some of the real world issues that are involved.In the past ten years, object-orientation has become viable and important in both the modeling and implementation arenas. Programming languages such as C++ and Java incorporate object-oriented (O-O) features and database management systems (DBMS) such as O2, ObjectStore, Poet, etc. and are advertised as "pure" O-O DBMS. Conversely, some systems such as Oracle, DB2, Sybase, SQL Serve,r etc. have incorporated some O-O features into essentially relational database technology in order to remain competitive.On the modeling dimension, the entity-relationship (E/R) diagramming method with its notable variants has been dominant for more than 20 years. This is probably due to its simplicity and its power to accurately represent the data needs of nearly all applica-tions. In the last 10 years however, O-O modeling has become increasingly popular because it correlates nicely to O-O implementations and because its modeling power is requisite for the greater complexity inherit in contemporary information systems. Re-cently, UML has become the de facto O-O modeling variant, so hence, we illustrate UML in the same case we use ER diagramming. The comparison and contrast is useful to those who are migrating to UML data modeling.

How to implement the system monitoring in the process of athletes training, diagnosis athletes body function scientific, technical characteristics and psychological state, effectively improve the training ability of athletes, prevent excessive fatigue or overtraining, is an urgent problem in the field of sports science. Database design of this paper is to develop function monitoring system on the basic work. Firstly, analyses the process and content of monitoring; Then, the conceptual structure design and physical structure design. Among them, the conceptual structure design using E-R diagram describes the entities and relations; logical structure design the table structure of the athletes category, athletes, physiological indicators, biochemical indicators, morphological function indicators, and other table structure. The content of this paper plays an important role in improving the information management of sport.

Having a good electric quantity settlement of large consumer is the basic work of electric power enterprises to receive fee in time and ensure the electricity supply. For the conditions that great labour intensity, calculation inaccurate, not timely settlement of traditional manual electric quantity settlement, this paper designs automatic electric settlement system. First, design database and logical structure based on the concept structural design with E-R diagram. Then, research the twelve mathematical formulas used by large consumer electric quantity settlement. Finally, describe the process of electric quantity settlement in natural language. The content of this study, aims to play the superiority of computer system, improve the informationize level of electric enterprises. And provide a practical technology and guidelines for the majority of electric enterprises and developers to develop large consumer settlement system.

Целью настоящей работы было термографическое исследование T-x диаграммы системы Ga – Se в диапазоне температур от 500 до 1100 °С и в диапазоне составов от 48.0 до 61.5 mol % Se. Методом исследования являлся дифференциальный термический анализ c компьютерной регистрацией данных. Получены свидетельства о наличии ретроградного солидуса фазы g-GaSe со стороны селена (с областью гомогенности в несколько десятых mol % при температурах выше эвтектической) и о независимом существовании близких по составу фаз e-GaSe и g-GaSe. При этом более богатая галлием фаза e-GaSe испытывает перитектический распад с образованием расплава (L2) и g-GaSe. Для темпера-туры предполагаемой перитектической реакции получено значение 921 ±2 °С. Вместе стем, на данном этапе работ не получено никаких данных в пользу существования ожидавшейся (по аналогии с системой Ga – S) высокотемпературной модификации, близкой по составу к сесквиселениду галлия (Ga2S3). Другие результаты, полученные в настоящей работе (характер и температуры плавления промежуточных фаз, температуры эвтектического и монотектического превращений, а также координата эвтектического состава), хорошо согласуются с литературными данными по исследованной системе ЛИТЕРАТУРА1. Kainzbauer P., Richter K. W., Ipser H. The binary Bi-Rh phase diagram: stable and metastable phases //J. Phase Equilibria and Diffusion, 2018, v. 39(1), pp. 17– 34. DOI: https://doi.org/10.1007/s11669-017-0600-52. Dolyniuk J.-A., Kaseman D. C., Sen S., Zhao J., Osterloh F. E., Kovnir K. mP-BaP3: A new phase froman old binary system // Chem. Eur. J., 2014, v. 20, pp. 10829–10837, DOI: https://doi.org/10.1002/chem.2013050783. Березин С. С., Завражнов А. Ю., Наумов А. В., Некрылов И. Н., Брежнев Н. Ю. Фазовая диаграммасистемы Ga–S в области 48.0–60.7 мол. % S // Конденсированные среды и межфазные границы, 2017,т. 19(3), с. 321–335. DOI: https://doi.org/10.17308/kcmf.2017.19/2084. Волков В. В., Сидей В. И., Наумов А. В., Некрылов И. Н., Брежнев Н. Ю., Малыгина Е. Н., Завражнов А. Ю. Высокотемпературная кубическая модификация сульфида галлия (Xs = 59 мол. %) и Т, х-диаграмма системы Ga – S // Конденсированные среды и межфазные границы, 2019, т. 21(1), с. 37–50.DOI: https://doi.org/10.17308/kcmf.2019.21/7155. Zavrazhnov A., Berezin S., Kosyakov A., Naumov A., Berezina M., Brezhnev N. J. The phase diagramof the Ga–S system in the concentration range of 48.0–60.7 mol % S // Thermal Analysis and Calorimetry,2018, v. 134(1), pp. 483–492. DOI: https://doi.org/10.1007/s10973-018-7124-z6. Okamoto H. Ga–Se (Gallium-Selenium) // J. Phase Equilibria and Diffusion, 2009, v. 30, p. 658. DOI:https://doi.org/10.1007/s11669-009-9601-37. Dieleman J., Sanders F. H. M. Phase diagram of the Ga-Se system // Phillips J. Res., 1982, v. 37(4),pp. 204 – 229.8. Zavrazhnov A. Yu. Turchen D. N., Goncharov Eu. G., Zlomanov V. P. Manometric method for thestudy of P-T-x diagrams // J. Phase Equilibria and Diffusion, 2001, v. 22(4), pp. 482–490. DOI: https://doi.org/10.1361/1054971017703330639. Shtanov V. I, Komov A. A, Tamm M. E., Atrashenko D. V., Zlomanov V. P. Gallium-selenium systemphase diagram and photoluminescence spectra of GaSe crystals // Doklady Akademii nauk SSSR, 1998, v. 361(3),pp. 357–361. (in Russ.)10. Glazov V. M., Pavlova L. M. Semiconductor and metal binary systems. Phase equilibria and chemicalthermodynamics. Springer, 1989, 327 p. DOI: https://doi.org/10.1007/978-1-4684-1680-011. Ider M. Pankajavalli R., Zhuang W. Thermochemistry of the Ga–Se System. J. Solid State Scienceand Techn., 2015, v. 4(5), Q51–Q60 DOI: https://doi.org/10.1149/2.0011507jss12. Zavrazhnov A., Naumov A., Sidey V., Pervov V. Composition control of low-volatile solids throughchemical vapor transport reactions. III. The example of gallium monoselenide: Control of the polytypicstructure, non-stoichiometry and properties // Thermochimica Acta, 2012, v. 527, pp. 118–124. DOI:https://doi.org/10.1016/j.tca.2011.10.012

Abstract Purpose: We aimed to find critical biomakers associated with BRCA1-mutation positive breast cancer. Methods: The data set E-MTAB-982 was downloaded from ArrayExpress database and the data were preprocessed using R package Oligo. Differential expression analysis between BRCA1-mutation positive breast cancer patients and BRCA1-mutation positive healthy subjects were performed using limma package. Then, gene set enrichment analysis was conducted. We constructed the network for BRCA1, its related differentially expressed genes (DEGs), and the enriched Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways. After that, survival analysis was performed based on the clinical data of breast cancer in TCGA database. Finally, box diagram for key genes was drawn. Results: The network showed that LSM3, NDUFB3, GNPDA2, and PTGS2 were BRCA1 related DEGs. Furthermore, LSM3 was mainly enriched in RNA degradation pathway and spliceosome pathway. PTGS2 was enriched in arachidonic acid metabolism and VEGF signaling pathway. Survival analysis indicated that high expression of LSM3 indicated a poor prognosis of BRCA1-mutant breast cancer. Besides, box diagram showed that LSM3 was down-regulated in BRCA1-mutation positive breast cancer patients compared with that in BRCA1-mutation positive healthy subjects. Conclusions: LSM3, NDUFB3, and PTGS2 may be biomarkers in BRCA1-mutant breast cancer, and high expression of LSM3 may indicate a poor prognosis of BRCA1-mutant breast cancer.

AbstractA CCD UBVRI survey of northern open clusters is being undertaken at San Pedro Mártir, México, and performed using always the same instrumental setup (telescope, CCD, filters), reduction methods, and system of standards of Landolt (1992). To date more than 300 clusters (mostly unstudied previously) have been observed, and about half the data reduced using aperture-photometry and PSF techniques. Our analysis procedures are being refined by studying in detail a small subset of these clusters. For example, the heavily reddened clusters Be80 and Be95 are being examined in the color-color diagrams: (B-V, U-B) and (B-V, R-I) to better understand the problems of curvature and variable reddening. For clusters for which our U data reaches the F-type stars, such as NGC2192 and NGC7296, techniques are being examined for estimating both the reddening E(B-V) and metallicity [Fe/H] via the use of the (U-B) excess. If the clusters also have “red clump” stars, such as NGC1798 and Do02, these procedures can be iterated between the clump and main sequence stars to establish even better the values of E(B-V) and [Fe/H]. Finally, color-magnitude diagrams, such as (B-V, V) and (V-I, V), are being employed together with the SchmidtKaler (1982) colors and Padova isochrones of Girardi et al. (2000) to obtain distances and ages for these clusters. A java-based computer program is being developed to help in the visualization and analysis of these photometric data. This system is capable of displaying each cluster simultaneously in different color-color and color-magnitude diagrams and has an interactive way to identify a star, or group of stars, in one diagram and to see were it falls in the other diagrams, facilitating the elimination of field stars and the apperception of cluster features. This program is capable of displaying up to 16 different diagrams for one cluster and processing up to 20 clusters at the same time. Our aims are the following: (1) a common UBVRI photometric scale for open clusters, (2) an atlas of color-color and color-magnitude diagrams for open clusters, (3) a homogeneous set of cluster reddenings, distances, and ages, (4) an increased number of old and distant open clusters, and (5) a selection of interesting clusters for further study.

The network size of China Mobile Multimedia Broadcasting (CMMB) has expanded rapidly, and population coverage ratio has significantly increased. Meanwhile requirements of users to CMMB network coverage have risen higher and higher. How to know the situation of CMMB network coverage accurately and resolve the problems of it timely and effectively has become the primary task for CMMB network coverage workers. In this paper, based on the design requirements of CMMB coverage analysis system and data system, the E-R diagram was adopted to realize the database design of three physical objects: coverage information, map information and user information. Furthermore, a logical structure model of database was created and the design process of database in CMMB coverage analysis system was analyzed in this paper, which can provide a reference for further development and optimization of CMMB coverage analysis system.

With the rapid development of network technology, music websites gradually become a popular, and the emergence of pop music website is to meet the people's strong demand for popular music, because database plays an important role in the design of website, studying the database design of pop music website development is important. From the conception of database design, firstly, this paper studies conceptual design for the database design, conceptual design is mainly reflected in the form of an E-R diagram; then conducted logical in the database design, logical design is expressed by the pattern of table structure; finally, studies the security design of database design, describes the security policy of database. The studied content of this paper plays a supporting role for popular music website design, promotes the combination of music and websites, and enriches people's leisure life.

На основании анализа характера фазовых равновесий в двойных системах, ограняющих диаграмму состояний тройной системы Ge – P – Sn, предложены теоретически возможные схемы ее фазового субсолидусного разграничения. Исследование методом рентгенофазового анализа образцов, принадлежащих политермическим сечениям Sn4P3-Ge, Sn4P3-GeP, показало, что разделение трехкомпонентной диаграммы состояния ниже солидуса осуществляется с помощью сечений Sn4P3-Ge, Sn4P3 -GeP и SnP3-GeP. Построенная по данным дифференциального термического анализа фазовая диаграмма сечения Sn4P3-Ge представляет диаграмму эвтектического типа с координатами эвтектической точки 800 К, 15 mol % Ge. REFERENCES Castellanos-Gomez A. Why all the fuss about 2D semiconductors? Nature Photonics, 2016, v. 10, pp. 202-204. https://doi.org/10.1038/nphoton.2016.53 Hasan M. Z., Kane C. L. Colloquium: Topological insulators. Mod. Phys., 2010, v. 82, pp. 3045–3067. https://doi.org/10.1103/revmodphys.82.3045 Piot P., Behrens C., Gerth C., Dohlus M., Lemery F., Mihalcea D., Stoltz P., Vogt M. Erratum: Generation and Characterization of Electron Bunches with Ramped Current Profi les in a Dual-Frequency Superconducting Linear Accelerator. Rev. Lett., 2012, v. 108, pp. 1–5. https://doi.org/10.1103/physrevlett.108.229902 Dávila M. E., Xian L, Cahangirov S., Rubio A., Le Lay G. Germanene: a novel two-dimensional germanium allotrope akin to graphene and silicene . New J. Phys., 2014, v. 16, pp. 095002. https://doi.org/10.1088/1367-2630/16/9/095002 Lalmi B., Oughaddou H., Enriquez H., Kara A., Vizzini S., Ealet B., Aufray B. Epitaxial growth of a silicene sheet. Phys. Lett., 2010, v. 97, pp. 223109. https://doi.org/10.1063/1.3524215 Kara H., Enriquez H., Seitsonen Ari P., Lew Yan Voon L.C., Vizzini S., Aufray B., Oughaddou H. Corrigendum to “A review on silicene – New candidate for electronics”. Sci. Rep., 2012, v. 67, pp. 1–18. https://doi.org/10.1016/j.surfrep.2012.01.001 Barreteau C, Michon B, Besnard C, Giannini E. High-pressure melt growth and transport properties of SiP, SiAs, GeP, and GeAs 2D layered semiconductors. Cryst Growth., 2016, v. 443, pp. 75–80. https://doi.org/10.1016/j.jcrysgro.2016.03.019 Ugai Ya. A., Sokolov L.I., Goncharov E.G. P-T-X diagramma sostoyaniya sistemy GeP i termodinamika vzaimodeystviya komponentov [P-T-X GeP system state diagram and thermodynamics of componentinteraction] // Russian Journal of Inorganic Chemistry, 1978, v. 23(7), рр. 1907–1911. (in Russ.) Lee K., Synnestvedt S., Bellard M., Kovnir K. GeP and (Ge1−Sn )(P1−Ge ) (x≈0.12, y≈0.05): Synthesis, structure, and properties of two-dimensional layered tetrel phosphides. Solid State Chem., 2015, v. 224, pp. 62–70. https://doi.org/10.1016/j. jssc.2014.04.021 Vivian A. C. Inst. Met, 1920, v. 23, pp. 325-336. Zavrazhnov A. Yu., Semenova G. V., Proskurina E. Yu., Sushkova T.P. Phase diagram of the Sn–P system. Thermal Analysis and Calorimetry, 2018, v. 134(1), pp. 475–481. https://doi.org/10.1007/s10973-018-7123-0 Olesinski R. W., Abbaschian G. J. The Ge−Sn (Germanium−Tin) system. Bulletin of Alloy Phase Diagrams, 1984, v. 5(3), pp. 265–271. https://doi.org/10.1007/bf02868550 Glazov V. M., Pavlova L. M. Khimicheskaya termodinamika i fazovyye ravnovesiya [Chemical thermodynamics and phase equilibria]. Moscow, Metallurgiya Publ, 1988, 560 p. (in Russ.) Emsley J. The elements: Second Edition. Oxford University Press, Oxford, 1991. Arita M. Kamo K. Measurement of Vapor Pressure of Phosphorus over Sn–P Alloys by Dew Point Method. Jpn. Inst. Met, 1985, v. 26(4), pp. 242–250. https://doi.org/10.2320/matertrans1960.26.242

USO DA TERRA E INFLUÊNCIA NO ÍNDICE DE QUALIDADE DE ÁGUA: O CASO DO VALE DO RIO TRUSSU ELDIR BANDEIRA DA SILVA1; JOSÉ RIBEIRO DE ARAÚJO NETO2; HELBA ARAÚJO DE QUEIROZ PALÁCIO2; EUNICE MAIA DE ANDRADE1 E YARA RODRIGUES ARAÚJO2 1 Departamento de Engenharia Agrícola, Universidade Federal do Ceará-UFC, Campus do PICI, Bloco 804, Fortaleza-CE, Brasil. E-mail: eldir_2005@hotmail.com; eandrade.ufc@gmail.com. 2 Instituto Federal de Educação, Ciência e Tecnologia do Ceará-IFCE, Campus Iguatu, rodovia Iguatu-Várzea Alegre, Km 05, s/n, Iguatu-CE, Brasil. E-mail: juniorifcelabas@gmail.com; helbaraujo23@yahoo.com.br; yaraaraujo20@hotmail.com. 1 RESUMO Com o objetivo de avaliar a influência do uso e ocupação da terra no índice de qualidade de água (IQA) nos corpos hídricos superficiais e subterrâneas no vale perenizado do rio Trussu, Ceará, Brasil, investigou-se dados de qualidade de água em dois períodos distintos. O primeiro foi de set/2002 a fev/2004 e o segundo de abr/2013 a jul/2015. Foram realizadas 22 coletas de água em 9 estações amostrais, 5 superficiais e 4 subterrâneas. Foram consideradas as mesmas estações nos dois períodos, monitorando-se 6 atributos de qualidade de água, totalizando 2376 análises. A avaliação da qualidade das águas foi relizada com o emprego do IQA e diagrama de caixa. As mudanças no uso e ocupação da terra foram nítidas, passando a caatinga densa de 38,7% de ocupação da área de estudo em 2003 para 11,2% em 2013. Não foi verificada diferença estatística (P<0,05) da qualidade das águas superficiais e subterrâneas no tempo. Porém, as águas subterrâneas diferiram estatisticamente entre os pontos. As águas superficiais foram classificadas como boas segundo o IQA, já as águas subterrâneas, observando o mesmo índice, como regulares e ruins. Esses resultados evidenciam o crescimento das práticas agrícolas na região, com avanço significativo da área antropizada sobre os recursos naturais. Palavras-chave: cobertura do solo, águas superficiais e subterrâneas, geoprocessamento. SILVA, E. B. DA; ARAÚJO NETO, J. R. DE; PALÁCIO, H. A. DE Q.; ANDRADE, E. M. DE E ARAÚJO, Y. R. LAND USE AND INFLUENCE ON THE WATER QUALITY INDEX: THE CASE OF TRUSSU RIVER VALLEY 2 ABSTRACT In order to evaluate the influence of land use and occupation on surface and groundwater levels in Trussu river perennial valley, Ceará, Brazil, we aimed at investigating data of the water quality in two distinct years. The first one was from Sep / 2002 to Feb / 2004 and the second from Apr/2013 to Jul/2015. Twenty-two water samples were collected in 9 sampling stations, 5 from surface and 4 from underground. The same stations were considered in the two periods, monitoring 6 attributes of water quality, totaling 2376 analyzes. The water quality assessment was performed using the water quality index (IQA, in Portuguese) and cash flow diagram. The changes in land use and occupation were sharp, with the dense tropical dry forests (Caatinga) moving from 38.7% occupancy of the study area in 2003 to 11.2% in 2013. There was no significant difference (P <0.05) in surface and groundwater quality over time. However, groundwater differed statistically in the two points. The IQA of surface waters was classified as good, and of groundwater as regular and bad. These results show the growth of agricultural practices in the region, with significant advance of the anthropized area on natural resources. Keywords: groundcovers, surface water and groundwater, geoprocessing.

AbstractRisk-aware Business Process Management (R-BPM) has been addressed in research since more than a decade. However, the integration of the two independent research streams is still ongoing with a lack of research focusing on the conceptual modeling perspective. Such an integration results in an increased meta-model complexity and a higher entry barrier for modelers in creating conceptual models and for addressees of the models in comprehending them. Multi-view modeling can reduce this complexity by providing multiple interdependent viewpoints that, all together, represent a complex system. Each viewpoint only covers those concepts that are necessary to separate the different concerns of stakeholders. However, adopting multi-view modeling discloses a number of challenges particularly related to managing consistency which is threatened by semantic and syntactic overlaps between the viewpoints. Moreover, usability and efficiency of multi-view modeling have never been systematically evaluated. This paper reports on the conceptualization, implementation, and empirical evaluation of e-BPRIM, a multi-view modeling extension of the Business Process-Risk Management-Integrated Method (BPRIM). The findings of our research contribute to theory by showing, that multi-view modeling outperforms diagram-oriented modeling by means of usability and efficiency of modeling, and quality of models. Moreover, the developed modeling tool is openly available, allowing its adoption and use in R-BPM practice. Eventually, the detailed presentation of the conceptualization serves as a blueprint for other researchers aiming to harness multi-view modeling.

Проведено исследование фазовых равновесий в тройной системе Sn–As–P в области высокой концентрации летучих компонентов. Методами рентгенофазового и дифференциального термического анализа изучены сплавы политермического разреза SnAs–P. Показано, что растворимость фосфора в моноарсениде олова в направлении этого разреза менее 0.05 мол.д. фосфора. Построена Т-х диаграмма политермического сечения SnAs–Р. Наличие на Т-х диаграмме горизонтали при температуре 827±2 К соответствует реализации в системе Sn–As–P нонвариантного перитектического равновесия L + (d) ↔ b + g , где (d), b и g – трехкомпонентные твердые растворы на основе As1-xPx, SnAs и SnP3 соответственно REFERENCES Zhang W., Mao J., Li S., Chen Z., Guo Z. Phosphorus-Based Alloy Materials for Advanced Potassium-Ion Battery Anode // Am. Chem. Soc., 2017, v. 139(9), pp. 3316–3319. https://doi.org/10.1021/jacs.6b12185 Liu S., Zhang H., Xu L., Ma L., Chen X. Solvothermal preparation of tin phosphide as a long-life anode for advanced lithium and sodium ion batteries // of Power Sources, 2016, v. 304, pp. 346–353. https://doi.org/10.1016/j.jpowsour.2015.11.056 Zhang W., Pang W., Sencadas V., Guo Z. Understanding High-Energy-Density Sn4P3 Anodes for Potassium-Ion Batteries // Joule, 2018, v. 2(8), pp. 1534–1547. https://doi.org/10.1016/j.joule.2018.04022 Lan D., Wang W., Shi L., Huang Y., Hu L., Li Q. Phase pure Sn4P3 nanotops by solution-liquid-solid growth for anode application in sodium ion batteries // Mater. Chem. A, 2017, v. 5, pp. 5791–5796. https://doi.org/10.1039/C6TA10685D Mogensen R., Maibach J., Naylor A. J., Younesi R. Capacity fading mechanism of tin phosphide anodes in sodium-ion batteries // Dalton Trans., 2018, v. 47, pp. 10752–10758. https://doi.org/10.1039/c8dt01068d Kamali A. R., Fray D. J. Tin-based materials as advanced anode materials for lithium ion batteries: a review // Adv. Mater. Sci., 2011, v. 27, pp. 14–24. URL: http://194.226.210.10/e-journals/RAMS/no12711/kamali.pdf Kovnir K. A., Kolen’ko Y. V., Baranov A. I., Neira I. S., Sobolev A. V., Yoshimura M., Presniakov I. A., Shevelkov A. V. Sn4As3 revisited: Solvothermal synthesis and crystal and electronic structure // Journal of Solid State Chemistry, 2009, v. 182(5), pp. 630–639. https://doi.org/10.1016/j.jssc.2008.12.007 Semenova G. V., Kononova E. Yu., Sushkova T. P. Polythermal section Sn4P3 – Sn4As3 // Russian J. of Inorganic Chemistry, 2013, v. 58 (9), pp. 1242–1245. https://doi.org/10.7868/S0044457X13090201 Sushkova T. P, Semenova G. V., Naumov A. V., Proskurina E. Yu. Solid solutions in the system Sn-As-P // Bulletin of VSU. Series: Chemistry. Biology. Pharmacy, 2017, v. 3, pp. 30–36. URL: http://www. vestnik.vsu.ru/pdf/chembio/2017/03/2017-03-05.pdf Semenova G. V., Sushkova T. P, Tarasova L. A., Proskurina E. Yu. Phase equilibria in a Sn-As-P system with a tin concentration less than 50 mol. % // Condensed Matter and Interphases, 2017, v. 19(3), pp. 408–416. https://doi.org/10.17308/kcmf.2017.19/218 Semenova G. V., Sushkova T. P., Zinchenko E. N., Yakunin S. V. Solubility of phosphorus in tin monoarsenide // Condensed Matter and Interphases, 2018, v. 20(4), pp. 644-649. https://doi.org/10.17308/kcmf.2018.20/639 Semenova G. V., Goncharov E. G. Solid Solutions Involving Elements of the Fifth Group. – Мoscow, MFTI Publ., 2000, 160 p. (in Russ.) Okamoto H. Phase diagrams for binary alloys, Second Edition. Materials Park, OH.: ASM International, 2010, 810 р. URL: https://www.asminternational. org/...pdf/c36eeb4e-d6ec-4804-b319-e5b0600ea65d Shirotani , Shiba S., Takemura K., Shimomura О., Yagi Т. Pressure-induced phase transitions of phosphorus-arsenic alloys // Physica B: Condensed Matter, 1993, v. 190, pp. 169–176. https://doi.org/10.1016/0921-4526(93)90462-F Arita M., Kamo K. Measurement of vapor pressure of phosphorus over Sn-P alloys by dew point method // Jpn. Inst. Met., 1985, v. 26(4), pp. 242–250. https://doi.org/10.2320/matertrans1960.26.242 Zavrazhnov A. Yu., Semenova G. V., Proskurina E. Yu., Sushkova T. P. Phase diagram of the Sn–P system // Thermal Analysis and Calorimetry, 2018, v. 134(1), pp. 475–481. https://doi.orgh/10.1007/s10973-018-7123-0 Gokcen N. A. The As-Sn (Arsenic-Tin) system // Bulletin of alloy phase diagrams, 1990, v. 11(3), pp. 271–278. https://doi.org/10.1007/BF03029298

Abstract. Over the last 40 years, many contributions have identified empirical rainfall thresholds (e.g. rainfall intensity (I) vs. rainfall duration (D), cumulated rainfall vs. rainfall duration (ED), cumulated rainfall vs. rainfall intensity (EI)) for the possible initiation of shallow landslides, based on local and global inventories. Although different methods to trace the threshold curves have been proposed and discussed in literature, a systematic study to develop an automated procedure to select the rainfall event responsible for the landslide occurrence has only rarely been addressed. Objective criteria for estimating the rainfall responsible for the landslide occurrence play a prominent role on the threshold values. In this paper, two criteria for the identification of the effective rainfall events are presented. The first criterion is based on the analysis of the time series of rainfall mean intensity values over 1 month preceding the landslide occurrence. The second criterion is based on the analysis of the trend in the time function of the cumulated mean intensity series calculated from the rainfall records measured through rain gauges. The two criteria have been implemented in an automated procedure that is written in the R language. A sample of 100 shallow landslides collected in Italy from 2002 to 2012 was used to calibrate the procedure. The cumulated event rainfall (E) and duration (D) of rainfall events that triggered the documented landslides are calculated through the new procedure and are fitted with power law in the D, E diagram. The results are discussed by comparing the D, E pairs calculated by the automated procedure and the ones by the expert method.

Методами спектроскопии комбинационного рассеяния света исследованы структурно-динамические свойства и процессы молекулярной релаксации в кристаллическом сульфате калия K2SO4 в интервале температур от 293 до 900 К. Проанализированы температурные зависимости положения максимума v (частоты), ширины w и интенсивности I спектральной полосы, отвечающей полносимметричному колебанию v1(A) сульфат-иона SO4 2–, в спектральном интервале от 963 до 976 см–1. С ростом температуры частота колебания уменьшается. Примерно при 650 K имеют место определённые особенности температурной зависимости v(T). При дальнейшем увеличении температуры частота продолжает уменьшаться. В точке структурного фазового перехода первого рода (Ts = 854 K)уменьшение частоты приостанавливается. С ростом температуры ширина возрастает, а интенсивность уменьшается. Примерно при 650 K имеют место определённые особенности температурных зависимостей w(T) и I(T). Уменьшение интенсивности приостанавливается, и в интервале температур 650–850 K интенсивность остаётся почти постоянной. При структурном фазовом переходе первого рода (Ts = 854 K) интенсивность уменьшается. Рост ширины при температуре T ≈ 650 K приостанавливается, а затем снова ширина начинает увеличиваться. Ближе к структурному фазовому переходу первого рода (Ts = 854 K) рост ширины замедляется и в точке структурного фазового перехода первого рода (Ts = 854 K) имеет место уменьшение ширины. Установлено, что в кристаллическом сульфате калия K2SO4 структурный фазовый переход первого рода носит растянутый характер. При температуре фазового перехода (Ts = 854 К) ширина резко возрастает, а частота резко уменьшается, уменьшаясь и при дальнейшем увеличении температуры. Обнаружено существование предпереходной области в исследованном кристаллическом сульфате калия K2SO4. Эта предпереходная область имеет место в интервале температур от 650 К до Ts = 854 К. REFERENCES Ivanova E. S., Petrzhik E. 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Molecular relaxation processes in the salt systems containing anions of various configurations. Spectrochim. Acta, 2004, vol. 60A(7), pp. 1549–1555. https://doi.org/10.1016/j.saa.2003.06.004 Chemical Encyclopedy. V. 2. Moscow, Sov. Entsiklopediya, 1990, p. 289 (in Russ.) Bale C. W., Pelton A. D. Coupled phase diagram and thermodynamic analysis of the 18 binary systems formed among Li2CO3, K2CO3, Na2CO3, LiOH, KOH, NaOH, Li2SO4, K2SO4 and Na2SO4. CALPHAD, 1982, vol. 6(4), pз. 255–278. https://doi.org/10.1016/0364-5916(82)90020-7 Dessureault Y., Sangster J., Pelton A. D. Coupledphase diagram / thermodynamic analysis of the ninecommon-ion binary systems involving the carbonates and sulfates of lithium, sodium, and potassium. J. Electrochem. Soc., 1990, vol. 137(9), pр. 2941–2950. https://doi.org/10.1149/1.2087103 Lindberg D., Backman R., Chartrand P. Thermodynamic evaluation and optimization of the (Na2CO3 + Na2SO4 + Na2S + K2CO3 + K2SO4 + K2S) system. J. Chem. Thermodynamics, 2007, vol. 39, pp. 942–960. https://doi.org/10.1016/j.jct.2006.11.002 Aliev A. R., Akhmedov I. R., Kakagasanov M. G., Aliev Z. A., Gafurov M. M., Rabadanov K. Sh., Amirov A. M. Relaxation of vibrationally excited states in solid “nitrate – nitrite” binary systems. Opt. Spectrosc., 2017, vol. 123(4), pp. 587–589. https://doi.org/10.1134/S0030400X17100022

Neste estudo é analisada a relação entre distúrbio ondulatório de leste, formação de linha de instabilidade e volume de chuva no estado da Paraíba. O distúrbio atuou no período de 15 a 17 de julho de 2011. Sua propagação e chegada ao Nordeste do Brasil foram detectadas em diagrama tempo-longitude da componente meridional do vento no nível de 600 hPa. Sua atuação se caracterizou pelo desenvolvimento de convecção profunda linearmente organizada, numa estrutura de linha de instabilidade, na noite dos dias 15 e 16. Perfis termodinâmicos mostram um elevado teor de umidade na baixa troposfera, abaixo de uma inversão térmica de subsidência típica da área dos ventos alísios, antes da formação das primeiras células de convecção profunda. O desenvolvimento e organização da convecção profunda na noite do dia 15 ocasionou o umedecimento de toda a troposfera, uma condição que se manteve até o dia 17. Ventos com intensidade moderada do quadrante sudeste da rosa dos ventos, na baixa e média troposfera, precederam a formação de linha de instabilidade na noite do dia 15. Ventos fracos e com direção variável foram observados nos dias 16 e 17. Houve grandes volumes de chuva no leste da Paraíba. Nas duas maiores cidades do estado os totais pluviométricos foram elevados: 80 mm em João Pessoa no dia 16, e 110 mm em Campina Grande no dia 17. A B S T R A C T In this study the relationship between wavelike easterly disturbance, squall line formation, and precipitation on Paraíba state is analyzed. The disturbance influenced the state from 15 to 17 July 2011. Its propagation and arrival on Northeast Brazil were detected on a time-longitude diagram of the meridional wind component at the 600 hPa level. The disturbance was characterized by the development of linearly organized deep convection, a squall line structure, on the night of the 15th and 16th. Thermodynamic profiles highlighted high moisture content in the lower troposphere, underneath a subsidence inversion typical of the trade winds area, prior to the formation of the first deep convective cells. The deep convection development and organization on the night of the 15th led to the moistening of the entire troposphere, a condition that remained up to the 17th. Winds of moderate intensity on the southeast quadrant of the wind rose, in the low and middle troposphere, preceded the squall line formation on the night of the 15th. Weak winds with variable direction were observed on the 16th and 17th. Large rainfall amounts fell on eastern Paraíba. On the two largest cities of the state rainfall volumes were very high: 83 mm in João Pessoa on the 16th, and 110 mm in Campina Grande on the 17th. Key words: rainfall, extreme event, thermodynamic structure, Northeast Brazil.

The paper presents the results of a study of solid-phase equilibria in the Tb–Te system and the thermodynamic properties of terbium tellurides obtained by the methods of electromotive forces and X-ray diffraction analysis. Based on the experimental data, it was established that the TbTe, Tb2Te3, TbTe2 и TbTe3 compounds are formed in the system. For the investigations of the alloys from the two-phase regions TbTe3+Te, TbTe2+TbTe3, and Tb2Te3+TbTe2, the EMF of concentration cells relative to the TbTe electrode was measured. The EMF of concentration cells relative to the terbium electrode was measured for the TbTe+Tb2T3 region. The partial thermodynamic functions of TbTe and Tb in alloys were determined bycombining the EMF measurements of both types in the 300–450 K temperature range, based on which the standard thermodynamic functions of formation and standard entropies of the indicated terbium tellurides were calculated. References1. Jha A. R. 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Thermodynamic investigation of theBi2Se3-Bi2Te3 system by the EMF method. Kondensirovannyesredy i mezhfaznye granitsy = CondensedMatter and Interphases. 2020;22(3): 310–319. DOI:https://doi.org/10.17308/kcmf.2020.22/296124. Imamaliyeva S. Z., Babanly D. M., Gasanly T. M.,et al.: Thermodynamic properties of Tl9GdTe6 andTlGdTe2. Russian Journal of Physical Chemistry A.2018;92(11): 2111–2116. DOI: https://doi.org/10.1134/s003602441811015825. Mansimova S. H., Orujlu E. N., Sultanova S. G.,Babanly M. B. Thermodynamic properties of Pb6Sb6Se17.Kondensirovannye sredy i mezhfaznye granitsy =Condensed Matter and Interphases. 2017;19(4): 536–541. https://doi.org/10.17308/kcmf.2017.19/23426. Imamaliyeva S. Z., Gasanly T. M., MahmudovaM. A. Thermodynamic properties of GdTe compound.Physics. 2017;22: 19–21. Available at: http://physics.gov.az/Dom/2017/AJP_Fizika_04_2017_en.pdf27. Imamaliyeva S. Z., Musayeva S. S., Babanly D. M.,Jafarov Y. I., Tagiyev D. B., Babanly M. B. Determinationof the thermodynamic functions of bismuthchalcoiodides by EMF method with morpholiniumformate as electrolyte. Thermochim. Acta. 2019; 679:178319–17825. DOI: https://doi.org/10.1016/j.tca.2019.17831928. Baza dannykh termicheskikh konstant veshchestv.Elektronnaya versiya pod. red. V. S. Yungmana. 2006[Database of thermal constants of substances.Electronic version V. S. Yungman (ed.). 2006]. Availableat: http://www.chem.msu.ru/cgi-bin/tkv.pl?show=welcome.html/welcome.html

Abstract. Over the last 40 years, many contributions have been devoted to identifying the empirical rainfall thresholds (e.g. intensity vs. duration ID, cumulated rainfall vs. duration ED, cumulated rainfall vs. intensity EI) for the initiation of shallow landslides, based on local as well as worldwide inventories. Although different methods to trace the threshold curves have been proposed and discussed in literature, a systematic study to develop an automated procedure to select the rainfall event responsible for the landslide occurrence has rarely been addressed. Nonetheless, objective criteria for estimating the rainfall responsible for the landslide occurrence (effective rainfall) play a prominent role on the threshold values. In this paper, two criteria for the identification of the effective rainfall events are presented: (1) the first is based on the analysis of the time series of rainfall mean intensity values over one month preceding the landslide occurrence, and (2) the second on the analysis of the trend in the time function of the cumulated mean intensity series calculated from the rainfall records measured through rain gauges. The two criteria have been implemented in an automated procedure written in R language. A sample of 100 shallow landslides collected in Italy by the CNR-IRPI research group from 2002 to 2012 has been used to calibrate the proposed procedure. The cumulated rainfall E and duration D of rainfall events that triggered the documented landslides are calculated through the new procedure and are fitted with power law in the (D,E) diagram. The results are discussed by comparing the (D,E) pairs calculated by the automated procedure and the ones by the expert method.

Using a combinatorial argument, we prove the well-known result that the Wirtinger and Dehn presentations of a link in 3-space describe isomorphic groups. The result is not true for links [Formula: see text] in a thickened surface [Formula: see text]. Their precise relationship, as given in [R. E. Byrd, On the geometry of virtual knots, M.S. Thesis, Boise State University (2012)], is established here by an elementary argument. When a diagram in [Formula: see text] for [Formula: see text] can be checkerboard shaded, the Dehn presentation leads naturally to an abelian “Dehn coloring group,” an isotopy invariant of [Formula: see text]. Introducing homological information from [Formula: see text] produces a stronger invariant, [Formula: see text], a module over the group ring of [Formula: see text]. The authors previously defined the Laplacian modules [Formula: see text] and polynomials [Formula: see text] associated to a Tait graph [Formula: see text] and its dual [Formula: see text], and showed that the pairs [Formula: see text], [Formula: see text] are isotopy invariants of [Formula: see text]. The relationship between [Formula: see text] and the Laplacian modules is described and used to prove that [Formula: see text] and [Formula: see text] are equal when [Formula: see text] is a torus.

Context. Solar Rossby waves (r modes) have recently been discovered in the near-surface horizontal flow field using the techniques of granulation-tracking and ring-diagram analysis applied to six years of SDO/HMI data. Aims. Here we apply time-distance helioseismology to the combined SOHO/MDI and SDO/HMI data sets, which cover 21 years of observations from May 1996 to April 2017. The goal of this study is to provide an independent confirmation over two solar cycles and in deeper layers of the Sun. Methods. We have measured south-north helioseismic travel times along the equator, which are sensitive to subsurface north-south flows. To reduce noise, the travel times were averaged over travel distances from 6° to 30°; the mean distance corresponds to a p-mode lower turning point of 0.91 R⊙. The 21-year time series of travel-time measurements was split into three seven-year subsets and transformed to obtain power spectra in a corotating frame. Results. The power spectra all show peaks near the frequencies of the classical sectoral Rossby waves for azimuthal wavenumbers in the range 3 ≤ m ≤ 15. The mode frequencies and linewidths of the modes with m ≤ 9 are consistent with a previous study whereas modes with m ≥ 10 are shifted toward less negative frequencies by 10–20 nHz. While most of these modes have e-folding lifetimes on the order of a few months, the longest lived mode, m = 3, has an e-folding lifetime of more than one year. For each mode, the rms velocity at the equator is in the range of 1–3 m s−1, with the largest values for m ∼ 10. No evidence for the m = 2 sectoral mode is found in the power spectrum, implying that the rms velocity of this mode is below ∼0.5 m s−1. Conclusions. This work confirms the existence of equatorial global Rossby waves in the solar interior over the past two solar cycles and shows that time-distance helioseismology is a promising technique to study them deep in the convection zone.

A disposição de estruturas geológicas em áreas planálticas é elemento importante na compreensão da dinâmica que ocorre na superfície de suas encostas e que é responsável pela esculturação do relevo. Neste contexto destacam-se os movimentos gravitacionais, que podem gerar perdas econômicas, ambientais e humanas em eventos de alta energia e/ou com grande extensão. Esta pesquisa analisou a influência de lineamentos estruturais no desencadeamento dos movimentos gravitacionais no maciço de Uruburetama, localizado no estado do Ceará. A metodologia consistiu na extração automática de lineamentos a partir do Modelo Digital de Elevação (MDE) fornecido pelo sensor orbital ALOS PALSAR. A partir da média de filtros direcionais aplicados a 0°, 45°, 90° e 135° de iluminação foi possível realçar as feições lineares da imagem original, facilitando sua extração. Posteriormente, foram elaborados mapas de distribuição espacial e densidade de lineamentos, além de diagrama de roseta. Tais produtos subsidiaram a análise da disposição dos principais trends estruturais da área, destacando que a maior densidade e a orientação predominante de lineamentos podem ser indicativas do grau de susceptibilidade à ocorrência de movimentos de massa no maciço de Uruburetama, desde que também sejam consideradas as características físicas dominantes e o grau de intervenção humana nas encostas. Os resultados demonstraram que os lineamentos estruturais obtidos de forma automática, quando analisados em conjunto com as características ambientais podem ser aplicados na análise de susceptibilidade à ocorrência de movimentos de massa. Influence of structural lineaments as a trigger of mass movements in the Uruburetama massif, Ceará state, Brazil A B S T R A C TThe geological structures arrangement in plateau areas is an important element in understanding the dynamics that occur on the surface of their slopes and which is responsible for relief sculpting. In this context, gravitational movements stand out, which can generate economic, environmental and human losses in high energy events and / or with large extension. This research analyzed the influence of structural lineaments in the gravitational movements triggering in the Uruburetama massif, located in the state of Ceará. The methodology consisted of automatic extraction of lineaments from the Digital Elevation Model (DEM) provided by the ALOS PALSAR orbital sensor. From the average of directional filters applied at 0°, 45°, 90° and 135° of illumination it was possible to enhance the linear features of the original image, facilitating their extraction. Subsequently, maps of spatial distribution and lineaments density were developed, as well as a rosette diagram. Such products subsidized the analysis of the disposition of the main structural trends of the area, emphasizing that the higher density and the predominant orientation of lineaments may be indicative of the degree of susceptibility to the occurrence of mass movements in the Uruburetama massif, if the dominant physical conditions and the degree of human intervention on the slopes are also considered. The results showed that the structural lineaments obtained automatically, when analyzed together with the environmental characteristics can be applied in the susceptibility analysis to the occurrence of mass movements.Keywords: ALOS PALSAR, directional filters, image fusion, lineaments extraction

Soil fertility is largely determined by the content and quality of soil organic matter. SlovakRepublic monitoring system includes evaluation of soil humus content, basic humic parameters and also chemical structure of humic acids (HA). Changes in humic acids structure on five selected key localities during monitoring period (1994&ndash;2000) are presented in this study. Among soil types, essentially between Chernozem and Planosol, in elemental analysis, optical parameter and 13C NMR parameters significant differences determined by Student&rsquo;s test were observed (Tables 2 and 3). During monitoring period small oxidation trend mainly on Calcaric Fluvisol and Planosol HA expressed by increase of oxygen content and O/C, O/H ratio was observed. Oxidation trends during monitoring period confirm also position of Calcaric Fluvisol and Planosol HA on van Krevelen diagram. Changes in optical parameter E^1%₆and content of carboxylic groups for the period of monitoring were negligible. Some changes throughout monitoring in ¹³C NMR parameters were recorded. On all observed HA considerable decrease of carbon in region 106&ndash;143 ppm, characteristic for aromatic and olefinic carbon with C&ndash;C, C&ndash;H bond, was observed. Spectroscopic parameters are in good agreement with elemental analysis and carboxylic groups. Joint relationships between changes in determined parameters are expressed by significant linear correlations. Predominantly between parameters calculated from ¹³C NMR spectra and data of elemental analysis and optical parameter E^1%₆highly significant linear correlations (R &gt; 0.93) are found (Table 4).&nbsp;

Latar belakang: Rinitis alergi (RA) adalah penyakit inflamasi mukosa hidung yang diperantarai oleh imunoglobulin E (IgE) akibat pajanan alergen. Salah satu tanda penting proses alergi adalah infiltrasi sel-sel inflamasi, utamanya eosinofil ke jaringan, dan melepaskan berbagai protein dasar yang dapat merusak epitel mukosa hidung. Proses tersebut sangat dipengaruhi oleh peran regulated upon activation normal T cell expressed and secreted (RANTES). Pengukuran beratnya gejala RA dilakukan secara subyektif dengan menghitung skor gejala total (SGT), serta obyektif melalui kadar RANTES sekret hidung. Tujuan: Penelitian ini bertujuan untuk membuktikan hubungan antara kadar RANTES sekret hidung dengan SGT pada penderita RA. Metode: Penelitian dilaksanakan pada bulan Juli-Desember 2015 di Unit Rawat Jalan Telinga Hidung Tenggorok - Bedah Kepala Leher Divisi Alergi Imunologi dan Instalasi Patologi Klinik Rumah Sakit Dr. Soetomo Surabaya. Jenis penelitian ini adalah analitik observasional dengan menggunakan rancang bangun cross sectional. Pengambilan sampel dilakukan secara consecutive sampling dan didapatkan sampel sebanyak 49. Kadar RANTES sekret hidung diukur dengan metode ELISA. Skor gejala total diperoleh dari penjumlahan keseluruhan gejala, baik gejala hidung maupun gejala di luar hidung. Uji korelasi yang digunakan adalah uji Pearson. Hasil: Rerata dan standar deviasi (SD) kadar RANTES pada penelitian ini adalah 17,68 pg/ml (8,24) dan rerata (SD) SGT adalah 11,37 (3,15 pg/ml). Diagram scatter plot menunjukkan bahwa data terdistribusi normal. Hasil tes korelasi Pearson kadar RANTES sekret hidung dan SGT pada penderita RA didapatkan koefisien korelasi (r) sebesar 0,426 dan p=0,002. Kesimpulan: Terdapat hubungan positif dengan korelasi sedang antara kadar RANTES sekret hidung dan SGT pada penderita RA. Kata kunci: Rinitis alergi, RANTES, skor gejala total ABSTRACT Background: Allergic rhinitis (AR) is an inflammatory disease of nasal mucosa which is mediated by Imunoglobulin E (IgE) as a response to an allergic exposure. One important sign of an allergic process is the infiltration of inflammatory cells particullary eosinophils into the mucosal tissue, which release a variety of basic proteins that may damage the nasal mucosal epithelium. The process of migration and infiltration of inflammatory cells was strongly influenced by the role of regulated upon activation normal T cell expressed and secreted (RANTES). Evaluation of AR can be done by calculating total symptoms score (TSS) and RANTES levels in nasal secretion. Purpose: This study aimed to prove the relation between the levels of RANTES nasal secretion and TSS in AR patients. Methods: Research was conducted at Allergy–Immunology Division of Otorhinolaryngology–Head and Neck Surgery (ORL-HNS) Outpatient Department of Dr. Soetomo Hospital, Surabaya in July to December 2015. Samples were taken by consecutive sampling and obtained 49 samples. Levels of RANTES in nasal secretion were measured by ELISA method. Total symptoms scores were obtained by accumulating all the symptoms, either nasal symptoms or non nasal symptoms. This study used correlation of Pearson as the statistical analytic test. Results: Mean (SD) RANTES of this study was 17.68 pg/ml (8.24) and mean (SD) of TSS was 11.37 pg/ml (3.15). Scatter plot diagram showed that data were distributed normally. The results of Pearson test showed that there were significant correlation between the levels of RANTES nasal secretion and TSS in AR patients with correlation coefficient (r)=0.426 and p=0.002. Conclusion: There was a positive relationship with moderate correlation between the levels of RANTES nasal secretion and TSS in allergic rhinitis patients.Keywords: Allergic rhinitis, RANTES, total symptom scores

O maior obstáculo para a realização de estudos de clima no Nordeste do Brasil é a falta de séries contínuas de dados, observações de longo prazo, espacialmente bem distribuídas, e de alta qualidade. Fontes alternativas de dados têm sido buscadas. Umas das principais ferramentas para estudos atmosféricos de longo prazo, são os modelos climáticos globais e regionais. A utilização de um modelo regional permite a obtenção de séries quadri-dimensionais contínuas, relativas a qualquer fenômeno atmosférico. Dos modelos regionais disponíveis na literatura, o Weather Research and Forecasting (WRF) vem se destacando como modelo de última geração de previsão numérica de tempo e clima. Este estudo teve como objetivo, avaliar a sensibilidade do modelo WRF a s diferentes opções físicas de parametrização no sobre a região norte do Nordeste Brasileiro (NNEB). O esquema de convecção que melhor representasse as condições meteorológicas e climáticas para o NNEB seria escolhido. A escolha foi feita comparando-se os resultados das simulações dos dados de chuva do produto MERGE/CPTEC. As análises foram realizadas para dois casos de sistemas convectivos de mesoescala (SCM) sobre o NNEB, que ocorreram nos dias 14 de janeiro e 30 de março de 2016. Nos resultados obtidos, foi possível perceber que as simulações apresentaram grandes diferenças de acordo com o esquema de cumulus utilizado. O Diagrama de Taylor foi utilizado como ferramenta estatística para analisar a destreza das simulações do WRF em relação aos dados observados, gerados pelo produto Merge. A B S T R A C TThe greatest obstacle to conducting climate studies in Northeast Brazil is the lack of continuous data series, long-term, spatially well-distributed, and high-quality observations. Alternative sources of data have been sought. One of the main tools for long-term atmospheric studies is the global and regional climate models. The use of a regional model allows the obtaining of continuous four-dimensional series, related to any atmospheric phenomenon. From the regional models available in the literature, the Weather Research and Forecasting (WRF) have been standing out as a model of last generation of numerical forecast of weather and climate. The objective of this study was to evaluate the sensitivity of the WRF model to the different physical parameterization options on the northern Northeast of Brazil (NNEB). The convection scheme that best represented the weather and climate conditions for the NNEB would be chosen. The choice was made by comparing the results of the simulations with the rain data of the MERGE / CPTEC product. The analyzes were performed for two cases of mesoscale convective systems (SCN) on the NNEB, which occurred on January 14 and March 30, 2016. In the obtained results, it was possible to perceive that the simulations showed great differences according to the cumulus scheme used. The Taylor Diagram was used as a statistical tool to analyze the dexterity of the WRF simulations in relation to the observed data, resulting in the parameterization of Grell (E5) in the event of the day 01/01 and Grelle Freitas (E5) for the day 30 / 03, with BIAS around 1.Keywords: Regional modeling, Precipitation, Climatology.

The paper presents the results of calculations of colorimetric parameters of LED sources operating at a temperature range from -25oC to 25oC. The chromaticity coordinates and color rendition quality parameters were calculated on the basis of registered spectral distributions of radiation. For individual LED chromaticity shift is illustrated at CIE 1931 x,y diagram with 3 step and 7 step MacAdam ellipses. Full Text: PDF ReferencesJ. P. Freyssinier, D. Frering, J. Taylor, N. Narendran, and P. Rizzo, Reducing lighting energy use in retail display windows. Sixth International Conference on Solid State Lighting, Proceedings of SPIE 6337, 63371L (2006). CrossRef Aman, M. M., et al., 2013. Analysis of the performance of domestic lighting lamps, Energy Policy, CrossRef E. Elijošiute, J. Balciukevičiute, G. Denafas, Life cycle assessment of; compact fluorescent and incandescent lamps: Comparative analysis. Environ Res. Eng. Manag. 61 (3), pp. 65-72, (2012), CrossRef D. Czyzewski, LED substitutes of conventional incandescent lamps Przeglad Elektrotechniczny R. 88, No. 11 (2012), CrossRef P. Tabaka, P. Rozga, Assessment of methods of marking LED sources with the power of equivalent light bulb, ulletin of the Polish Academy of Sciences. Technical Sciences, Vol. 65, No. 6, (2017) CrossRef I. Fryc, P. Jakubowski, K. Kołacz, Analysis of optical radiation parameters of compact discharge HID lamps and LED COB modules used for illuminating shop windows, Przeglad Elektrotechniczny,R. 93, No 11, (2017); pp. 186-189, CrossRef T. Kawabata, Y. Ohno; Optical measurements of OLED panels for lighting applications, pp 1176-1186 Jun 2013, Journal of Modern Optics, Vol. 60, 2013 Issue 14 CrossRef W. Żagan, Conditions necessary to replacing the conventional lamps by energy-saving lamps, Przeglad Elektrotechniczny R. 85, No. 5, pp. 100-104, (2009). DirectLink P. Tabaka; Influence of Ambient Temperature on Colour Properties of Low-Pressure Fluorescent Lamps, Light & Engineering, Vol. 23; No. 2; (2015). DirectLink W. R. Ryckaert, et al., Linear LED tubes versus fluorescent lamps: An evaluation. Energy Build. 49, pp. 429-436. CrossRef M. Zalesinska, J. Zablocka, K. Wandachowicz, Evaluation of Selected Parameters of Non-Directional Household Lamps, Conference: 2018 VII. Lighting Conference of the Visegrad Countries (Lumen V4), CrossRef I. Fryc; Measurement techniques of optical LEDs properties performed with compliance conformity with CIE 127:2007 standard, Przeglad Elektrotechniczny R. 85, No. 11, pp. 317-319, (2009) DirectLink IESNA, IES Approved Method: Measuring Lumen Maintenance of LED Light Sources. IES LM-80-08', IES Subcommittee on Solid-State Lighting of the IES Testing Procedures Committee (2018). DirectLink D. B. Judd, Estimation of chromaticity differences and nearest color temperature on the standard 1931 ICI colorimetric coordinate system. J. Opt. Soc. America 26 (11), 421, (1936) CrossRef CIE 177:2007 Colour Rendering of White LED Light Sources DirectLink CIE 13.3-1995 Method of Measuring and Specifying Colour. DirectLink CIE 224:2017 Colour Fidelity Index for accurate scientific use DirectLink CIE 15:2004 Colorimetry. DirectLink D. Mozysrska, M. Wyrwas, I. Fryc, The determination of the LEDs colorimetric parameters, in the range of their operating temperature, Przeglad Elektrotechniczny, R. 93, No. 4a, pp. 232-234, (2012). DirectLink J. Kowalska, Analysis of parameters describing the quality of the color rendering of light sources according to the IES TM-30-15 and the CIE 013.3-1995, Przeglad Elektrotechniczny, R. 93, No. 6; pp. 50-54, (2017) CrossRef J. Kowalska, I. Fryc, Colour rendition quality of typical fluorescent lamps determined by CIE Colour Fidelity Index and Colour Rendering Index, Przeglad Elektrotechniczny, R. 95, No. 7; (2019), pp. 94-97 CrossRef J. Kowalska, Ambiguity and limitations in determining the quality of the color rendering of light sources by index Ra (CIE CRI), Przeglad Elektrotechniczny, R. 93 No. 5, pp. 74-78, (2017) CrossRef I. Fryc, J. Fryc, A. Wasowski, Considerations about determining color rendering of light sources, Przeglad Elektrotechniczny, R. 92 No. 2, pp. 218-223, (2016) CrossRef I. Fryc, LED's spectral power distribution under different condition of operating temperature and driving current, Przeglad Elektrotechniczny, R. 86, No. 10, pp. 187-189, (2010). DirectLink A. David, P. Fini, K. Houser et al., Development of the IES method for evaluating the color rendition of light sources, Optics Express; Vol. 23; Issue 12, pp. 15888-15906, (2015). CrossRef K. Houser, M. Mossman, K. Smet et al, Tutorial, Color Rendering and Its Applications in Lighting, LEUKOS; Vol. 12, Issue 1-2; pp. 7-26; (2016). CrossRef

ABSTRACT We present a comprehensive photometric analysis of a young open cluster NGC 1960 (= M36) along with the long-term variability study of this cluster. Based on the kinematic data of Gaia DR2, the membership probabilities of 3871 stars are ascertained in the cluster field among which 262 stars are found to be cluster members. Considering the kinematic and trigonometric measurements of the cluster members, we estimate a mean cluster parallax of 0.86 ± 0.05 mas and mean proper motions of μRA = −0.143 ± 0.008 mas yr−1 and μDec. = −3.395 ± 0.008 mas yr−1. We obtain basic parameters of the cluster such as E(B − V) = 0.24 ± 0.02 mag, log(Age/yr) = 7.44 ± 0.02, and d = 1.17 ± 0.06 kpc. The mass function slope in the cluster for the stars in the mass range of 0.72–7.32 M⊙ is found to be γ = −1.26 ± 0.19. We find that mass segregation is still taking place in the cluster which is yet to be dynamically relaxed. This work also presents first high-precision variability survey in the central 13 arcmin × 13 arcmin region of the cluster. The V-band photometric data accumulated on 43 nights over a period of more than 3 yr reveals 76 variable stars among which 72 are periodic variables. Among them, 59 are short period (P &lt; 1 d) and 13 are long period (P &gt; 1 d). The variable stars have V magnitudes ranging between 9.1 to 19.4 mag and periods between 41 min and 10.74 d. On the basis of their locations in the H–R diagram, periods, and characteristic light curves, 20 periodic variables belong to the cluster are classified as 2 δ-Scuti, 3 γ-Dor, 2 slowly pulsating B stars, 5 rotational variables, 2 non-pulsating B stars, and 6 as miscellaneous variables.

Ginger (Zingiber officinale R.), lemon (Citrus limon L.) and mint (Mentha sp.) are commonly consumed medicinal plants that have been of interest due to their health benefits and purported antioxidant capacities. This study was conducted on the premise that no previous study has been performed to elucidate the antioxidant and phenolic profile of the ginger, lemon and mint herbal tea infusion (GLMT). The aim of the study was to investigate and characterise the phenolic contents of ginger, lemon, mint and GLMT, as well as determine their antioxidant potential. Mint recorded the highest total phenolic content, TPC (14.35 ± 0.19 mg gallic acid equivalent/g) and 2,2′-azino-bis(3-e-thylbenzothiazoline-6-sulfonic acid), ABTS (24.25 ± 2.18 mg ascorbic acid equivalent/g) antioxidant activity. GLMT recorded the highest antioxidant activity in the reducing power assay, RPA (1.01 ± 0.04 mg ascorbic acid equivalent/g) and hydroxyl radical scavenging assay, •OH-RSA (0.77 ± 0.08 mg ascorbic acid equivalent/g). Correlation analysis showed that phenolic content positively correlated with the antioxidant activity. Venn diagram analysis revealed that mint contained a high proportion of exclusive phenolic compounds. Liquid chromatography coupled with electrospray ionisation and quadrupole time of flight tandem mass spectrometry (LC-ESI-QTOF-MS/MS) characterised a total of 73 phenolic compounds, out of which 11, 31 and 49 were found in ginger, lemon and mint respectively. These characterised phenolic compounds include phenolic acids (24), flavonoids (35), other phenolic compounds (9), lignans (4) and stilbene (1). High-performance liquid chromatography photometric diode array (HPLC-PDA) quantification showed that GLMT does contain a relatively high concentration of phenolic compounds. This study presented the phenolic profile and antioxidant potential of GLMT and its ingredients, which may increase the confidence in developing GLMT into functional food products or nutraceuticals.

More than 120 double tungstates and molybdates of general formula MR(EO4), where M – NH4, Ag, Cu, Tl; R – trivalent metals, E – W, Mo; R – Bi (excepting compounds contained NH4), La – Lu, Y, Sc (excepting compounds contained Cu (I)), In (excepting compounds contained NH4 and Tungsten) were isolated by co-precipitating from aqua solutions, or by solid-phase synthesis. All above mentioned compounds were studied by chemical analysis, thermogravimetry, X-ray and IR spectroscopy. Different numbers structural types were discovered into rows double tungstates and molybdates of composition MR(EO4)2: NH4R(WO4)2 – 3; NH4R(MoO4)2 – 3; AgR(WO4)2 – 4; AgR(MoO4)2 – 5; CuR(WO4)2 – 3; CuR(MoO4)2 – 5; TlR(WO4)2 – 8; TlR(WO4)2 – 11. Most wide among of its are sheyelit CaWO4, types: of KY(MoO4)2, α-KNd(WO4)2, α-KY(WO4)2, of its structural-distorting modifications and structures similar for glazerit. The calculation of meaning ΔHo298 MR(EO4)2, M – alkali metals, NH4, Cu, Ag; E – Mo, W, R – M (II) by method of Kaganyuk D.S. was executed. Dependence ΔHo298 for 300 compounds from radii ratio of mono- and trieevalent metals wаs presented in form of diagrams, it was provided possibility to unite all compounds in only system, where wide areas broadening of structural types were determinated. This diagrams is showing boundaries of structural types, is foreseeing building of unknown like that compounds and is forecasting isomorphic substitution in double tangstats and molybdates of composition MR(EO4)2. It is necessary in processes of preparation of materials for lasers, colouring luminophores, catalyzers, semiconductors, segneto- and piezoelectrics and other materials. It was designed the refined diagrams described regions of structural types of synthesized compounds existing. The formation regularities of different types of polymorphic modifications for crystal structures of the isolated compounds depending on the radii ratio of mono- and trivalent metals have been established. It was compiled a database for materials based on the studied compounds.

Бинарные и сложные халькогениды с тетрадимитоподобной слоистой структурой представляют большой практический интерес как топологические изоляторы, термоэлектрические и оптоэлектронные материалы. Их фундаментальные термодинамические функции в совокупности с фазовыми диаграммами важны для разработки и оптимизации методов синтеза и выращивания кристаллов. В работе представлены результаты термодинамического исследования исходных соединений и твердых растворов системы Bi2Se3-Bi2Te3 методом электродвижущих сил (ЭДС). Различные модификации этого метода широко применяются для исследования бинарных и сложных халькогенидов металлов. Исследования проводили измерением ЭДС концентрационных цепей типа:(–) Bi (тв.) | ионная жидкость + Bi3+ | Bi в сплаве (тв.) (+) в интервале температур 300-450 K.В качестве правых электродов были использованы предварительно синтезированные равновесные сплавы Bi2Se3–хTex (х = 0; 0.6; 1.2; 1.8; 2.0; 2.4; 3.0) с 0.5 ат. % избытком теллура. В качестве электролита использовали ионную жидкость (формиат морфолина) с добавлением BiCl3.Полученные экспериментальные данные обработаны с помощью компьютерной программы «Microsoft Office Excel 2003» методом наименьших квадратов и получены линейные уравнения типа E = a + bT. Из полученных уравнений температурных зависимостей ЭДС рассчитаны относительные парциальные молярные функции висмута в сплавах. На основании диаграммы твердофазных равновесий системы Bi–Se–Te были определены уравнения потенциалобразующих реакций, с использованием которых вычислены стандартные термодинамические функцииобразования и стандартные энтропии соединений Bi2Se3, Bi2Te3 и твердых растворов Bi2Se3–xTex вышеуказанных составов. Также вычислены термодинамические функции образования твердых растворов Bi2Se3–xTex из исходных бинарных соединений. Полученные результаты хорошо коррелируют со структурными данными о том, что в кристаллической решетке b-фазы состава Bi2SeTe2 в расположении атомов селена и теллура наблюдается некоторая упорядоченность – атомы селена преимущественно занимают центральный слой пятислойника, а атомы теллура – два внешних слоя. ЛИТЕРАТУРА 1. Rowe D. M. Thermoelectrics Handbook: Macro toNano. Boca Raton, FL, USA: CRC Press, Taylor & FrancisGroup; 2006. 1008 р.2. Шевельков А. В. Химические аспекты созда-ния термоэлектрических материалов. Успехи химии.2008;77(1): 3–21. DOI: https://doi.org/10.1070/rc2008v077n01abeh0037463. Adam A. M., Lilov E., Ibrahim E. M. M., Petkov P.,Panina L. V., Darwish M. A. Correlation of structuraland optical properties in as-prepared and annealedBi2Se3 thin films. Journal of Materials Processing Technology.2019;264: 76–83. DOI: https://doi.org/10.1016/j.jmatprotec.2018.09.0054. Wang Q., Wu X., Wu L., Xiang Y. 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Resumo O nível crítico das águas dos reservatórios e das hidrelétricas brasileiras representa o rompimento da 1ª condição da sustentabilidade. A soma do volume de afluência menos a soma do volume de defluência, resulta em 6.418 m3 de água por segundo desfavorável, ao sistema nacional. Neste estudo, apresentamos uma metodologia de contabilidade ambiental que mensura o uso de recursos por unidade comum de eMergia solar, com objetivo de avaliar a interação de variáveis de sustentabilidade ambiental nas empresas de abastecimento de água e saneamento listadas na BM&FBOVESPA em 2014. A mensuração foi realizada mediante definição das fronteiras do sistema de cada empresa com as fontes de energia e materiais que a alimentam. Um diagrama de energia do sistema foi construído e resumido em um diagrama agregado dos fluxos de energia. A partir do inventário das entradas de energia e materiais das empresas no exercício de 2013, foram inventariados os recursos R, N e F, em unidades, transformidades e eMergia/unidade. Foi verificado se os consumidores estão pagando, em seJ/J ou seJ/R$, os recursos recebidos dos ecossistemas naturais quando compram produtos e serviços pagos em dinheiro. O cálculo dos indicadores da contabilidade em eMergia (EYR, ELR e SI) e o diagrama ternário em eMergia e suas linhas de sustentabilidade indicaram posições das empresas em relação aos indicadores de sustentabilidade ambiental. Os investidores na BM&FBOVESPA reconhecem e percebem valor positivo das empresas rotuladas como sustentáveis ambientalmente. No período de 2006 a 2015 o ISE obteve uma performance de +131% em relação ao Ibovespa. Os clientes das empresas CASAN, COPASA, SABESP e SANEPAR pagaram nas tarifas de água e tratamento de esgotos, em R$ médios, 72,5% da eMergia total recebida. Há uma relação de desvantagem entre a biosfera e o sistema de tratamento de água e esgotamento sanitário operado pelas empresas avaliadas.

Context. Ionized outflows are ubiquitous in non-radio-loud obscured quasars (QSO2s) at different redshifts. However, the actual size of the outflows and their efficiency for gas ejection and star formation truncation are controversial. Large-scale (exceeding several kiloparsec) extended radio structures might be necessary to identify (even to trigger) outflow signatures across such large spatial scales. Aims. We search for large-scale ionized outflows associated with six optically selected QSO2 (five non-radio-loud and one radio-loud) at z ∼ 0.2−0.5, targeting objects with extended radio structures. We also investigate the dynamical state of the QSO2 host galaxies. Methods. We obtained data with the optical imager and long-slit spectrograph (OSIRIS) mounted on the 10.4m Gran Telescopio Canarias Spanish telescope (GTC) for these six QSO2 with the slit located along the radio axis. We traced the gas kinematics with the [OIII]λλ4959,5007 lines to investigate ionized outflows and characterize the dynamical state of the host galaxies. This second study was complemented with previously published spectroscopic data obtained with the multimode focal reducer and low dispersion spectrograph (FORS2) mounted on the Very Large Telescope (VLT) of 13 more QSO2 at similar z. Results. We identify ionized outflows in four out of the six QSO2 observed with the GTC. The outflows are spatially unresolved in two QSO2 and compact in a third (radial size of R = 0.8 ± 0.3 kpc). Of particular interest is the radio-quiet QSO2 SDSS 0741+3020 at z = 0.47. It is associated with a giant ∼112 kpc nebula. An ionized outflow probably induced by the radio structures has been detected along the axis defined by the central ∼1″ radio structure, extending up to at least ∼4 kpc from the active galactic nucleus (AGN). Turbulent gas (σ ∼ 130 km s−1) has also been detected across the giant gas nebula up to ∼40 kpc from the AGN. This turbulence may have been induced by outflows triggered by the interaction between a so-far undetected large-scale radio source and the nebula. Regarding the dynamical state of the host galaxies, we find that the majority of the QSO2 show v/σ < 1, implying that they are dominated by random motions (so-called dispersion-dominated systems). Most (17 of 19) fall in the area of the E/S0 galaxies in the dynamical diagram v/σ versus σ. None are consistent with spiral or disk galaxies.

Background:Fatigue in rheumatoid arthritis (RA) is prevalent, intrusive, and disabling [1-3]. It has been shown that fatigue can be reduced, in at least some people with rheumatoid arthritis, using group interventions based on cognitive-behavioral principles [1]. However, the vast majority of the (about 40% [2]) severely fatigued people with rheumatoid arthritis does not have or does not want access to group therapy.Objectives:To develop a self-help booklet aimed at targeting fatigue in rheumatoid arthritis based on cognitive-behavioral principles.Methods:Based on the assumption that the most strongly influencing factors of fatigue differ between people [3], a comprehensive patient-centered approach was chosen. The booklet should be easy to read (big fonts, text boxes, bulleted text, and illustrations). Needed materials should be included.Results:In the booklet, factors that may influence fatigue are demonstrated by a hanging mobile toy, a device with stars or other figures hanging from the ceiling. If one piece moves, all the other pieces move as well. Every individual piece that is part of the mobile influences the other. However, every mobile is different. The large differences in balance between components of mobiles can be compared to the large variety of influences on fatigue in people. Patients first need to identify which factors seem especially important influencers of their own fatigue by sorting seven cards that are included in the booklet. They put the factor of which they think that it most influences their fatigue at the top and the factor that least influences their fatigue at the bottom. The seven cards are:1) severe overweight,2) disease activity,3) day-night rhythm and sleep,4) physical activity,5) emotions and negative thoughts,6) pain, and7) another influence.Interventions targeting these factors are discussed in separate sections of the booklet. Users are invited to start reading the sections with advice regarding the factors that most influence their fatigue. The foldable back cover of the booklet includes the set of seven cards of influencing factors, a diagram to make a 7-day 24-hours day-night rhythm schedule, and instructions to make an action plan.Conclusion:In the Netherlands, the text can be obtained online and as a booklet in rheumatology departments of hospitals and through a national patient association, free of charge. The booklet was translated into English, which makes it accessible to a larger group of patients. It may take up to two months to successfully change lifestyle. It’s an, as yet not empirically verified, hope that the booklet will be more successful than a traditional educational brochure.References:[1]Hewlett S, Almeida C, Ambler N, et al. Reducing arthritis fatigue impact: two-year randomised controlled trial of cognitive behavioural approaches by rheumatology teams (RAFT). Ann Rheum Dis 2019;78(4):465–472.[2]Overman CL, Kool MB, Da Silva JA, Geenen R. The prevalence of severe fatigue in rheumatic diseases: an international study. Clin Rheumatol 2016;35(2):409–415.[3]Geenen R, Dures E. A biopsychosocial network model of fatigue in rheumatoid arthritis: a systematic review. Rheumatology (Oxford) 2019;58(Supplement_5):v10–v21.Disclosure of Interests:Rinie Geenen Speakers bureau: Sanofi Genzyme paid for a lecture on depression in RA.