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Journal articles on the topic 'Material means'

Author: Grafiati

Published: 3 June 2025

Last updated: 20 July 2025

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1

Gharehbaghi, Koorosh, and Maged Georgy. "Sustainable Construction by Means of Improved Material Selection Process." Academic Research Community publication 3, no. 1 (2019): 85. http://dx.doi.org/10.21625/archive.v3i1.433.

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Whilst sustainable construction relates to both a building’s structure and the use of proper life cycle processes, the selection of the most appropriate material/s is deemed a considerable undertaking. Throughout a building’s lifecycle that extends from design, construction, operation, maintenance, renovation, until demolition, the selection of sustainable material/s is a particularly crucial task for the development and establishment of such structures. Traditionally, there are three main materials for general construction: (1) Steel, (2) Concrete and (3) Timber. These materials not only infl

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Kato, Akira, Masao Yano, Noritsugu Sakuma, et al. "Development of Nd Lean Magnets by Means of Material DX." Materia Japan 60, no. 1 (2021): 57–59. http://dx.doi.org/10.2320/materia.60.57.

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3

Krawczyk, Andrzej, and Anna Kwiatkowska. "Optimal design by means of material derivative." COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering 17, no. 1 (1998): 155–59. http://dx.doi.org/10.1108/03321649810369366.

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4

Chatti, Sami, Daniel Pietzka, Nooman Ben Khalifa, Andreas Jäger, Alessandro Selvaggio, and A. Erman Tekkaya. "Lightweight Construction by Means of Profiles." Key Engineering Materials 504-506 (February 2012): 369–74. http://dx.doi.org/10.4028/www.scientific.net/kem.504-506.369.

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This paper shows some product and process developments at the Institute of Forming Technology and Lightweight Construction of the TU Dortmund University supporting the lightweight construction. It presents the manufacturing of lightweight profiles by hot extrusion and their benefits as well as their design, material, and manufacturing potential for lightweight construction. Examples of process extensions in hot extrusion like curved profile extrusion, twisted profile extrusion and manufacturing of functional graded profiles and profiles with variable cross-sections during extrusion are shown.

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Kachmar, Olga, and Victoria Yeryomenko. "IDEATION DISCOURSE: MEANS OF COMMUNICATIVE EFFECT ACHIEVEMENT (ON THE MATERIAL OF TED-PLATFORM)." Naukovì zapiski Nacìonalʹnogo unìversitetu «Ostrozʹka akademìâ». Serìâ «Fìlologìâ» 1, no. 11(79) (2021): 85–90. http://dx.doi.org/10.25264/2519-2558-2021-11(79)-85-90.

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Interactive aspects of communication include the following categories embodied in the metacommunicative elements of discourse, one of which is speech mode. The article focuses on pattern identification of communicative effect on the recipient by varying serious and humorous modes of the speech. The attention is paid to the identification of the initial strategies of communicative effect in both serious and humorous mode of English ideative speech. Communicative mode is an emotionally-stylistic communication format that occurs during the interaction between communicants and determines their cha

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Eriksen, Thomas Hylland. "Means of Communication." Nordicom Review 33, Special-Issue (2012): 15–27. http://dx.doi.org/10.2478/nor-2013-0022.

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Abstract Marx, famously, ”placed Hegel on his feet” by arguing the primacy of economic and material processes over the spiritual and intellectual. In his analysis, the world advanced, dialectically, through growing contradictions between means of production and relations of production (property relations), mediated by recurrent class struggles. Although material scarcity is by no means absent from the contemporary world, an important scarce resource analysed well by Hegel and largely neglected by Marx, and which is essential today, is self-esteem, including the right to define oneself. Using e

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Wu, Mengjuan, and Huan Jiang. "Research on food safety prediction method based on k-means clustering algorithm." MATEC Web of Conferences 355 (2022): 03018. http://dx.doi.org/10.1051/matecconf/202235503018.

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Aiming at the problem of food risk prediction, this paper proposes a method based on clustering algorithm to predict product risk by raw material risk. Firstly, based on the provincial supply chain closed-loop hypothesis, this paper proposes the selection method of clustering indexes for products and their raw materials. Secondly, this paper uses the k-means clustering algorithm to cluster the products and the corresponding raw materials respectively, then based on the clustering Class results automatically determine the high-risk categories of the products and their raw materials. Finally, th

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Rahayuni, Sri, Indra Gunawan, and Ika Okta Kirana. "Material Sales Clustering Using the K-Means Method." JOMLAI: Journal of Machine Learning and Artificial Intelligence 1, no. 1 (2022): 85–94. http://dx.doi.org/10.55123/jomlai.v1i1.177.

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Along with the increasing growth of technology and the development of science, business competition is also getting faster and therefore we are required to always develop the business in order to always survive in the competition. Family Gypsum is a store whose sales system is the same as a supermarket, namely the buyer will take the goods to be purchased himself. From this, data on sales, purchases of goods, and unexpected expenses are not structured properly so that the data only functions as an archive. In this research, data mining is applied using the K-Means calculation process which pro

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Vejmelková, Eva, Milena Pavlíková, Miloš Jerman, and Robert Černý. "Free Water Intake as Means of Material Characterization." Journal of Building Physics 33, no. 1 (2009): 29–44. http://dx.doi.org/10.1177/1744259109104069.

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10

Zamirova, L. B., G. P. Sharnin, G. G. Zhilyaev, I. N. Zaripov, and N. M. Kapustina. "Tactical and technical characteristic of individual protection means using in radiation danger." Kazan medical journal 75, no. 5 (1994): 357–60. http://dx.doi.org/10.17816/kazmj90549.

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The protective material against radiation (beta-, gamma- and roentgen) obtained by means of mechanical filling of porous polimeric materials with water metal suspensions is developed. The filler content in the material and consequently, leaden equivalent quantity vary in the wide range (between 0,1 and 0,9 mm Pb) and are regulated in the process of material production. A number of protective products for the use in extreme radiation condiations, in regulated repairs at industrial works, as well as roentgen-protective means for medical scientific and industrial institutions and works is develop

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11

Miloš, Katica, Ivica Jurić, and Pero Škorput. "Aluminium-based Composite Materials in Construction of Transport Means." PROMET - Traffic&Transportation 23, no. 2 (2012): 87–96. http://dx.doi.org/10.7307/ptt.v23i2.135.

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The implementation of the achievements in material science both through history as well as today, is directly indicated in the improvement of the efficiency of transport means which then results in the improvement of the technology of traffic and transport. Today’s requirements in the area of engineering materials intended for the construction of transport means impose reduction of mass as one of the fundamental criterion. Consideration of the technical and technological societies have been oriented towards light materials and the possibilities of their modification in order to substitute the

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12

Loutovinova, O. V. "Manipulative Means in Clickbait Headlines of Online Media." Current Issues in Philology and Pedagogical Linguistics, no. 2 (June 25, 2023): 55–69. http://dx.doi.org/10.29025/2079-6021-2023-2-55-69.

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The paper deals with manipulative means in clickbait headlines of online media. The aim of the article is to distinguish and examine the used in implicit clickbaits manipulative means which help to cultivate the reader’s interest and make them pass to the article. The relevance of the current investigation is determined by a wide spread of clickbaits in media cyberspace, the users’ negative attitude to them and their constant evolvement for concealment and formal conformation to the criteria of non-blocked headlines. The analysed material comprises the clickbait headlines in online media whose

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Chernyaev, A. P., I. V. Sukhorukova, G. P. Fomin, and A. Yu Meerson. "PHASE CONSTRAINTS IN MATERIAL MEANS SEPARATION MODELS IN MICROECONOMICS." Vestnik of Samara State University of Economics 1, no. 195 (2021): 88–94. http://dx.doi.org/10.46554/1993-0453-2021-1-195-88-94.

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One of the important and urgent tasks of microeconomics is the problems of research of the economic system, in which there are restrictions associated with the planned volume of output or the size of the enterprise production capacity. These constraints are set by the requirement that the analyzed trajectories do not leave some given region of the control existence space. Most often, such restrictions for all time points are set in the form of inequalities, and certain requirements are imposed on the function of the phase coordinates of the object, their value at a given time. This problem is

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14

Zhang, Qiwu, and Fumio Saito. "Material Synthesis and Process Development by Means of Grinding." Journal of the Society of Powder Technology, Japan 45, no. 7 (2008): 491–501. http://dx.doi.org/10.4164/sptj.45.491.

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15

Selyshchev, Pavlo, and V. Sugakov. "Nanoscale Modulation of Material Properties by Means of Irradiation." Key Engineering Materials 708 (September 2016): 30–34. http://dx.doi.org/10.4028/www.scientific.net/kem.708.30.

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A theoretical approach is developed to describe creation of space-periodical modulation of microstructure by means irradiation and influence of this modulation on properties of the irradiated material. It has considered nonlinear dynamics of development of radiation-induced defects. The structure of defects drives microstructure and changes material properties. It is found that nanoscale space-periodical distribution is results of interaction of radiation-induced defects both with each other and with elements of microstructure. It is shown that homogenous defect distribution become instable an

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Tóth, Teodor, Darina Glittová, Tatiana Kelemenová, and Miroslav Dovica. "Determination of Material Density by Means of Computerized Tomography." Acta Mechanica Slovaca 20, no. 4 (2016): 68–71. http://dx.doi.org/10.21496/ams.2016.035.

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17

Akiyama, Tomohiro, Jun-ichiro Yagi, Yasushi Watanabe, and Shuichi Miura. "Encapsulation of Phase Change Material by Means of Electroplating." KAGAKU KOGAKU RONBUNSHU 23, no. 4 (1997): 591–93. http://dx.doi.org/10.1252/kakoronbunshu.23.591.

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18

Rvanova, Alla S., and Olga V. Grigorenko. "DYNAMIC ENVIRONMENTS AS MEANS OF VISUALIZING MATHEMATICS TEACHING MATERIAL." Actual Problems of Education 1 (January 30, 2020): 212–17. http://dx.doi.org/10.33764/2618-8031-2020-1-212-217.

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The article deals with implementation of cognitive visualization in mathematics teaching using computer dynamic environments. Some directions are specified and examples of visualization of educational material on the theme "Surfaces in space" in the GeoGebra program are given.

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19

Ortegon, Jaime, Rene Ledesma-Alonso, Romeli Barbosa, Javier Vázquez Castillo, and Alejandro Castillo Atoche. "Material phase classification by means of Support Vector Machines." Computational Materials Science 148 (June 2018): 336–42. http://dx.doi.org/10.1016/j.commatsci.2018.02.054.

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20

Koldashov, A. O. "Award as a material means of encouraging civil servants." Analytical and Comparative Jurisprudence, no. 5 (November 17, 2023): 276–80. http://dx.doi.org/10.24144/2788-6018.2023.05.49.

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Today, Ukraine has various incentives mechanisms for civil servants, the main types of which are material and moral incentives. In order to understand the basic motivational factors of the civil servant's activity, there is a need to study their main means of material encouragement, among which the premium has always occupied and still holds a prominent place. The purpose of the article is to study bonuses as a material means of encouraging civil servants as subjects of labor law based on the analysis of the provisions of domestic legislation in the considered area and the views of scientists,

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21

Božek, Pavol, and Peter Pokorný. "Analysis and Evaluation of Differences Dimensional Products of Production System." Applied Mechanics and Materials 611 (August 2014): 339–45. http://dx.doi.org/10.4028/www.scientific.net/amm.611.339.

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Logistics is primarily to address issues with whose functional, organizational, personnel and material means can be improved and optimize the entire course material flow businesses, which shall logistics integration business functions. Production logistics means a sum of logistical tasks and measures for preparation and execution of the production process. Includes all activities associated with material and information flows of raw materials, auxiliary and production materials from the warehouse to the production of raw materials and semi-finished goods from the warehouse and purchased parts

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22

McIver, Robert K., and Marie Carroll. "Distinguishing characteristics of orally transmitted material when compared to material transmitted by literary means." Applied Cognitive Psychology 18, no. 9 (2004): 1251–69. http://dx.doi.org/10.1002/acp.1040.

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23

Seo, Shoitsu. "Development of a Ferrous Material for the Forging Process by Means of Structural Controlling." Materia Japan 42, no. 8 (2003): 590. http://dx.doi.org/10.2320/materia.42.590.

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24

Pujiastuti, Heni, Rudi Haryadi, and Faizal Ridwan. "DEVELOPMENT OF MATHEMATICS TEACHING MATERIALS BASED ON SCIENTIFIC APPROACH FOR MATHEMATICS LEARNING." AKSIOMA: Jurnal Program Studi Pendidikan Matematika 9, no. 3 (2020): 591. http://dx.doi.org/10.24127/ajpm.v9i3.2902.

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This study aims to develop mathematics learning based on a scientific approach to support learning mathematics in understanding mathematical concepts. This research method is to use research and development with 4D models. The 4D model consists of four steps: determining, designing, developing, and disseminating. The subjects of this study were junior high school students with an average age of 12 years. The instrument used is the feasibility aspect of the learning media. The technique used is seen from the feasibility of teaching material media. The results showed that the visual element was

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25

Renz, Robert, Niklas Frank, and Albert Albers. "Multi-Material Topology Optimization Taking into Account the Position of Material Interfaces in 3D." Applied Sciences 15, no. 13 (2025): 7612. https://doi.org/10.3390/app15137612.

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Multi-material design as a method of lightweight construction enables the targeted use of materials in a component by utilizing the individual material properties. However, this advantage comes with additional challenges for the product developer, such as the increased effort involved in identifying the design. Multi-material topology optimization is a method that can support the product developer in creating initial weight-optimized component designs in multi-material design in early phases. In addition, several state-of-the-art studies show that the position of the interfaces between the mat

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Korobtseva, Nadezhda A., and Anastasia V. Golubchikova. "Development of an integrated approach to the design of textile rehabilitation products for children." Vestnik slavianskikh kul’tur [Bulletin of Slavic Cultures] 60 (2021): 261–81. http://dx.doi.org/10.37816/2073-9567-2021-60-261-281.

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This paper reviews the characteristics of emergence formation and development of the Inclusive Design field. As it points out year after year the number of children with health disabilities is increasing, unfortunately. The research has shown that various rehabilitation tools should be developed for disabled children's more successful socialization, development and education. The authors suggests the technical means of rehabilitation classification based on the main material of manufacturing, which includes textile means of rehabilitation. Textile means of rehabilitation are an extensive list

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Paris, Adrian Stere, and Constantin Târcolea. "Materials Ranking by Means of Multi Attribute Decision Making." Applied Mechanics and Materials 760 (May 2015): 135–40. http://dx.doi.org/10.4028/www.scientific.net/amm.760.135.

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The first part of the work shortly describes possible mathematical methods for decision making. The paper gives an overview with general comments on multi-criteria problems, related to the preferences and the priorities of the decision-makers. The paper proposed and solves an example for material rating by a multiple attribute decision making. The MADM and PCA methodologies have been applied to rank out ten alternatives. Similar materials were selected using both techniques.

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Kojovic, Aleksandar, Irena Zivkovic, Ljiljana Brajovic, Dragan Mitrakovic, and Radoslav Aleksic. "Damage detection in laminar thermoplastic composite materials by means of embedded optical fibers." Chemical Industry 60, no. 7-8 (2006): 176–79. http://dx.doi.org/10.2298/hemind0608176k.

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This paper investigates the possibility of applying optical fibers as sensors for investigating low energy impact damage in laminar thermoplastic composite materials, in real time. Impact toughness testing by a Charpy impact pendulum with different loads was conducted in order to determine the method for comparative measurement of the resulting damage in the material. For that purpose intensity-based optical fibers were built in to specimens of composite materials with Kevlar 129 (the DuPont registered trade-mark for poly(p-phenylene terephthalamide)) woven fabric as reinforcement and thermopl

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Plüss, Tobias, Felix Zimmer, Tobias Hehn, and Axel Murk. "Characterisation and Comparison of Material Parameters of 3D-Printable Absorbing Materials." Materials 15, no. 4 (2022): 1503. http://dx.doi.org/10.3390/ma15041503.

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We compared different commercially available materials that are 3D-printable for their suitability for making microwave absorbers by means of additive manufacturing, i.e., 3D printing. For this, we determined their complex permittivity, and, if applicable, the complex permeability. They are responsible for the RF losses within the material and, therefore, determine its usefulness as an absorber material. Further, we made SEM (scanning electron microscope) images of material samples showing the filling materials that have been used to achieve absorbing properties.

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Dharsni, Chandra. "KEMIRIPAN LIPSTIK BERDASARKAN METODE FUZZY C-MEANS (FCM) MENGGUNAKAN DELPHI." KLIK - KUMPULAN JURNAL ILMU KOMPUTER 7, no. 1 (2020): 48. http://dx.doi.org/10.20527/klik.v7i1.299.

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<p>Laser Induced Breakdown Spectroscopy (LIBS) is a spectroscopic method for quantitative and qualitative analysis of elements contained in a material. This technique is based on an analysis of plasma emissions produced by focusing a high-power pulse laser on a sample. However, to determine the similarity of the content of a material based on spectroscopy is difficult, especially for similar materials. Lipstick itself has many color variations and some colors look almost the same. To distinguish each color, lipstick manufacturers give numbers or names on this product. In this case the wr

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Córdova-Szymanski, Karla, Eddie Armendaríz-Mireles, José Rodríguez-García, José Miranda-Hernández, and Enrique Rocha-Rangel. "Production of Cement Based on Calcium Aluminate by Means of Solid State Reactions." Chemistry & Chemical Technology 16, no. 3 (2022): 492–98. http://dx.doi.org/10.23939/chcht16.03.492.

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Through powder techniques and in situ solid state reactions, a refractory cement CaAl2O4-based was fabricated, using CaCO3 extracted from chicken eggshells and Al as precursor materials. To reduce the particle size and achieve a homogeneous mixture, the powders were subjected to high-energy milling in a planetary mill. The powders resulting from the grinding were compacted to form cylindrical tablets. These samples were pressureless sintered in air. A particle size distribution analysis indicates that they were obtained from the grinding particles ranging in size from nanometers to 2 microns.

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Hezel, U. B., R. Bauer, E. Zellmann, and W. I. Miller. "Resolution and contrast enhancement on biological specimens by means of electron spectroscopic imaging (ESI)." Proceedings, annual meeting, Electron Microscopy Society of America 44 (August 1986): 68–69. http://dx.doi.org/10.1017/s0424820100142049.

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The main elemental constituents of biological material - C,H,N,O - are the same elements found in typical embedding materials. Because of this the contrast of unstained biological material is very poor. Additionally, electron scattering by low Z atoms is mainly inelastic resulting in unsharp images from the concomitant chromatic aberration.These effects have been delt with by employing stains of such heavy metals as Os, U, or Pb. These stains are for the most part located at the biological structures themselves and primarily scatter the electron beam elastically. Thus with ultra-thin (<80nm

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Bauernhuber, Andor, Tamás Markovits, László Trif, and Ágnes Csanády. "Adhesion of Steel and PMMA by Means of Laser Radiation." Materials Science Forum 885 (February 2017): 61–66. http://dx.doi.org/10.4028/www.scientific.net/msf.885.61.

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As the utilization of plastics is growing in our devices, their joining with other structural materials, like metals is more and more necessary. A novel method for joining polymeric materials and metals is the laser assisted metal plastic joining. The method is in focus of several researches. However, the mechanism of joint formation is not described sufficiently yet. In this study, the adhesion between structural steel and PMMA plastic and the phenomena of bubble formation is investigated. Scanning electron microscopy (SEM), thermogravimetry and mass spectrometry (TG-MS) were used to analyze

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KA, Bugaevsky. "Dermatology And Venerology in Reflection of a Number of Collectible Means." Dermatology and Dermatitis 9, no. 7 (2024): 01–11. http://dx.doi.org/10.31579/2578-8949/176.

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In this research article, its author presents the results of a new study conducted by him, thematically dedicated to such an important medical science as dermatology. As illustrative material, screenshot copies of found philatelic, numismatic and phaleristic materials are presented, dedicated to both the science itself - dermatology, and a number of famous dermatologists, both scientists and practicing doctors.

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Gaduš, J. "Optimization of frameworks by means of fem use." Research in Agricultural Engineering 49, No. 1 (2012): 32–36. http://dx.doi.org/10.17221/4949-rae.

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The paper presents an application of an optimization procedure for a mass optimization of a welded framework of a&nbsp;special tractor trailer designed for transport of seeding machines. The used optimization procedure, so-called Fully Stressed Design (FSD), is based on an&nbsp;indirect approach utilizing optimum criteria. The aim of the optimization was to achieve the lowest possible mass of the construction taking into consideration the allowed resistance. As the paper shows, on the basis of the optimization procedure we achieved more than 35% savings of the material mass. In this wa

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Wang, Sai Bei, Ming Xie, You Cai Yang, et al. "The Investigation of Material Transfer Characteristics and Surface Morphology of PtIr Contact Materials." Applied Mechanics and Materials 271-272 (December 2012): 305–9. http://dx.doi.org/10.4028/www.scientific.net/amm.271-272.305.

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Material transfer characteristics and surface morphology of contact material reflects their electrical erosion performance. In this paper, by using a JF04C contact material testing machine, the characteristics of electrical erosion of PtIr contact materials are acquired under low voltage, resistive load and small current. By means of an electronic balance and SEM, the material transfer values of the PtIr contact materials and the characteristics of contact material surface profile are obtained and analyzed. The results show that PtIr alloy contact materials mainly transfer from cathode to anod

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Wang, Jin Kun, Guang Yue Pu, Chun Lei Pan, Hong Wei Liu, and Song Guo. "Research and Design of the Material Management System Based on Digital Pipeline." Advanced Materials Research 971-973 (June 2014): 1308–11. http://dx.doi.org/10.4028/www.scientific.net/amr.971-973.1308.

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For the current situation and deficiency of the enterprise material management system: huge material data, species diversity, single management means, management behavior is not standard, people involved in most materials management activities, materials management standards is not unique, materiel maintenance and resource sharing is difficult, and so on.

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Lapčík, Lubomír, Martin Vašina, Barbora Lapčíková, Michal Staněk, Martin Ovsík, and Yousef Murtaja. "Study of the material engineering properties of high-density poly(ethylene)/perlite nanocomposite materials." Nanotechnology Reviews 9, no. 1 (2020): 1491–99. http://dx.doi.org/10.1515/ntrev-2020-0113.

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Abstract This paper was focused on application of the perlite mineral as the filler for polymer nanocomposites in technical applications. A strong effect of the perlite nano-filler on high-density poly(ethylene) (HDPE) composites’ mechanical and thermal properties was found. Also found was an increase of the Young’s modulus of elasticity with the increasing filler concentration. Increased stiffness from the mechanical tensile testing was confirmed by the nondestructive vibrator testing as well. This was based on displacement transmissibility measurements by means of forced oscillation single-d

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YOSHIKAWA, Hideo, and Satoru UZUKI. "Study on NOx Reduction by means of the New Material." Transactions of the Japan Society of Mechanical Engineers Series B 58, no. 555 (1992): 3458–63. http://dx.doi.org/10.1299/kikaib.58.3458.

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Tejedor, M., C. Jiménez, and F. Díaz. "Rehabilitation of saline soils by means of volcanic material coverings." European Journal of Soil Science 58, no. 2 (2007): 490–95. http://dx.doi.org/10.1111/j.1365-2389.2007.00909.x.

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Saka, H. "Toughening of a brittle material by means of dislocation subboundaries." Philosophical Magazine Letters 80, no. 7 (2000): 461–66. http://dx.doi.org/10.1080/09500830050057152.

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Бахаева, Л. М., and З. К. Джанаралиева. "Didactic material as a means of teaching the Russian language." Management of Education, no. 8(54) (October 17, 2022): 247–52. http://dx.doi.org/10.25726/j0515-1365-4527-t.

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В данной статье рассматривается дидактический материал как средства обучения русскому языку. Русский язык в школе определяется двумя факторами: предметом обучения и целями обучения. Способности к усвоению учебных предметов в неодинаковы. Методическая литература уделяют внимание к тематике, связанной с использованием дидактического материала как особый тип учебных пособий (карты, таблицы, наборы карточек с текстом, и т.д.). Дидактический материал – это необходимое средство обучения и помощник для проведения уроков в соответствии с предлагаемой учебником логикой. This article discusses didactic

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Zhussupova, R. F., and A. N. Kalizhanova. "Timeline as a Means of Digital Representation of Theoretical Material*." Bulletin of L.N. Gumilyov Eurasian National University. PHILOLOGY Series 136, no. 3 (2021): 148–62. http://dx.doi.org/10.32523/2616-678x-2021-136-3-148-162.

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The article depicts the use of Timeline innovative online technology basedon the theoretical course "The History of the English language" or "Lingua countrystudy" for students of linguistic specialties. Often in studying theoretical coursesmodern students have difficulties with tasks related to understanding the culturaland historical context, establishing causal links between historical and linguisticphenomena, remembering social and cultural events. Timeline technology is adescription of the sequence of events that occurred in chronological order. This articledescribes how to use Timeline te

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Kojović, A., I. Živković, Lj Brajović, D. Mitraković, and R. Aleksić. "Low Energy Impact Damage Detection in Laminar Thermoplastic Composite Materials by Means of Embedded Optical Fibers." Materials Science Forum 494 (September 2005): 481–86. http://dx.doi.org/10.4028/www.scientific.net/msf.494.481.

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The possibility of applying optical fibers as sensors for investigation of real time low energy impact damage in laminar thermoplastic composite materials has been studied. For that purpose intensity based optical fibers were embedded in composite material specimens. Kevlar 129 (DuPont’s registered trade-mark for poly (p-phenylene terephthalamide)) woven fabric was used as reinforcement. Impact toughness testing by the Charpy impact pendulum was conducted in order to investigate low energy impacts. Transient intensity of optical signal during the impact, were compared with material crack initi

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Brekhunets, Anatolii. "Formation of graphic knowledge of principles by means of self employed work in dreams." HUMANITARIUM 44, no. 2 (2019): 19–25. http://dx.doi.org/10.31470/2308-5126-2019-44-2-19-25.

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An essential prerequisite for the success of students' independent work with textbooks should be considered their sufficient awareness of the existence of textbooks. It is unacceptable to hope that the student himself is orientated in this. Therefore, in the introductory lessons, each teacher should familiarize students with the school's books and drawings in the school library with textbooks, give them an exhaustive description, pay attention to the advantages and disadvantages of each of them.Experience shows that, having such knowledge, students experience difficulties working with the cont

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Jaworski, Jacek, and Grzegorz Gawłowski. "Production and Properties of Composite Material Comprising Gd Multiscale Particles." Management and Production Engineering Review 6, no. 1 (2015): 16–20. http://dx.doi.org/10.1515/mper-2015-0003.

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Abstract The article presents a novel method of producing Gd particles and preserving them from oxidation. The particles were produced in liquid paraffin by means of AC electric discharge and stored in the solidified paraffin. After seven months, the surface of the Gd was found to be exempt of oxidation. Moreover a composite material formed from mixing paraffin with Gd particles was conductive and magnetic and also presented photovoltaic effect. This method is a promising means of producing, at an industrial scale, particles from materials extremely sensitive to environment such as rare earth

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Ceron, Ermanno, and Nils Bay. "Determination of Friction in Sheet Metal Forming by Means of Simulative Tribo-Tests." Key Engineering Materials 549 (April 2013): 415–22. http://dx.doi.org/10.4028/www.scientific.net/kem.549.415.

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Numerical modeling of complex sheet stamping operations is well developed and implemented in industry. The weakest link now seems to be appropriate modeling of friction and to some extent also material properties especially when it comes to new lubricants and materials. In modeling of 3-D stamping operations a coefficient of friction μ is often determined by calibration of the simulation results with experimental observations of material flow and/or measured load. In case of modeling of new stamping operations μ is typically selected based on former experience. These procedures are, however, n

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Ormenisan, Alina, Daniel Tamas Szava, Ioan Szava, and Ciprian Dalai. "Mechanical Stress Exploration Inside of Dental Filling Materials by Means of Electronic Speckle Pattern Interferometry / Shearography." Materiale Plastice 54, no. 4 (2017): 616–19. http://dx.doi.org/10.37358/mp.17.4.4911.

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Possible causes of microleakage and microfractures of dental fillings are often in the center of many academic research and investigations. Some authors found that one important cause of microleakage is the contraction/ shrinkage of the filling materials during polymerization. The purpose of this study is to demonstrate that microcracks and consequent microleakage is influenced by mechanical stresses occurring inside of dental filling materials and at the interface of the dental cavities and dental filling materials. We also tried to evaluate the deformation of some dental filling material typ

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Snoeck, Didier. "Superabsorbent polymers to seal and heal cracks in cementitious materials." RILEM Technical Letters 3 (November 15, 2018): 32–38. http://dx.doi.org/10.21809/rilemtechlett.2018.64.

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Superabsorbent polymers (SAPs) are promising admixtures to improve properties in cementitious materials. Not only useful to mitigate autogenous shrinkage and to increase the freeze-thaw resistance, SAP particles may enhance self-sealing and self-healing in cementitious materials. The self-sealing leads to a regain in water tightness and promoted autogenous healing may prove to be useful to limit repair works caused by concrete cracking. By providing sufficient building blocks for healing, limiting the crack width by means of synthetic microfibers and inducing water by means of SAPs, a smart ce

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Lindauer, Vojtěch, Barbora Váňová, and Pavel Rydlo. "SMA AS MEANS FOR SENSITIVE BIOMEDICAL SENSORS." Lékař a technika - Clinician and Technology 51, no. 1-4 (2021): 35–41. http://dx.doi.org/10.14311/ctj.2021.1.05.

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Shape memory alloys (SMA) are materials with specific electric, mechanic and thermal qualities originating in their microscopic structure and as such are used to design so-called Smart structures. In biomedicine, they are used mostly for their shape memory properties during intravasal surgery. The commonly used SMA material for biomedical purposes is Nitinol, a nickel-titanium alloy that exhibits, especially when annealed, among other properties also superelasticity and high resistivity with strain changes. This makes it suitable for usage in strain gauge sensors. In this work, NiTi annealed w

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