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Perego, Sonia, and Sophia Völksen. ""Go-Along" Method in Anthropological Research with Artists with Disabilities." TSANTSA – Journal of the Swiss Anthropological Association 22 (May 1, 2017): 95–99. http://dx.doi.org/10.36950/tsantsa.2017.22.7354.
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Bergeron, Julie, Sylvain Paquette, and Philippe Poullaouec-Gonidec. "Uncovering landscape values and micro-geographies of meanings with the go-along method." Landscape and Urban Planning 122 (February 2014): 108–21. http://dx.doi.org/10.1016/j.landurbplan.2013.11.009.
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Reed, Kate, and Julie Ellis. "Movement, Materiality, and the Mortuary: Adopting Go-Along Ethnography in Research on Fetal and Neonatal Postmortem." Journal of Contemporary Ethnography 48, no. 2 (May 17, 2018): 209–35. http://dx.doi.org/10.1177/0891241618769997.
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This article explores the use of the go-along method in research that takes place “behind closed doors” drawing on qualitative research on postmortem imaging. Often favored in community and urban studies, go-along consists of mobile interviews and observations with respondents in their own environments. We conducted go-alongs with various professionals—from pathologists to hospital chaplains—in a range of settings. We also tracked different forms of materiality in and out of the mortuary space. As the article seeks to show, go-along allowed us to appreciate the complex and mobile nature of postmortem, situating it within the wider landscape of bereavement and memorialization. It also enabled us to illuminate the ways in which the mortuary as a place cannot be fixed “indoors,” but rather, is continually remade through different types of practice. Our analysis emphasizes the value of using go-alongs in indoor settings, and further reinforces a fluid conceptualization of place.
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Castrodale, Mark Anthony. "Mobilizing Dis/Ability Research: A Critical Discussion of Qualitative Go-Along Interviews in Practice." Qualitative Inquiry 24, no. 1 (October 16, 2017): 45–55. http://dx.doi.org/10.1177/1077800417727765.
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In this article, I document the challenges of operationalizing critical qualitative mobile research methods, specifically go-along interviews. Mobility-oriented qualitative inquiry is a way to examine disabled and Mad persons’ socio-spatial knowledges and study spatial inequalities impacting these persons. I reflect on my own positionality as an able-bodied researcher, while conducting research with self-identifying Mad and disabled research participants. I further discuss the limitations, enabling factors, constraints, and implications of engaging in go-along interviews. Next, I unpack how and why this method at many times was not desired by my research participants in favor of more traditional interview techniques, such as sit-down face-to-face interviews. There is a need to critically (re)consider space and place in research practices in ways that value the often subjugated voices and socio-spatial knowledge(s) of Mad and disabled persons.
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Martínez, Francisco. "Narva as Method." Anthropological Journal of European Cultures 29, no. 2 (September 1, 2020): 67–92. http://dx.doi.org/10.3167/ajec.2020.290205.
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This article asks how a post-Soviet city went global and became something else, mutating, in the sense of generating a new set of features that go beyond a narrow understanding of postsocialism. The research provides a synthetic conceptualisation of Narva and the organisation of its ordinary life, by combining methods of urban observation and classification with geographical and ethnographic descriptions of this city. Using visual imagery of urban objects, along with field annotations and interview quotes as the materials analysed, the article carries out a Narvaology that consists in deploying this city ‘as method’. It points out that cities such as Narva require a more relational and multi-scalar language, one with broader theoretical and methodological implications, able to account for fragmentary socio-political issues.
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Makhsin, Siti Rabizah, Muhammad Izham Hakimi Mohd Zali, Rozina Abdul Rani, Nor Hayati Saad, and Muhammad Azmi Ayub. "Modifies Hummer’s Method of Graphene Oxide Nanostructures for Fibre Optic Sensors Application." Scientific Research Journal 18, no. 1 (February 28, 2021): 15. http://dx.doi.org/10.24191/srj.v18i1.11386.
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For optical fibre sensors applications, nanomaterials have been widely used to enhance sensor performance. Here, the fibre optic uses the transmission of light by total internal reflection along with the fibre and depending on the diameter of the fibre and the wavelength of the light used. Among others, graphene oxides nanostructures (GO) would offer exceptional advantages on the sensing mechanism due to 2D properties of the monocellular layer originally from graphite. The main objectives of this research are to successfully synthesis of GO using a chemical reduction method known as modifies Hummer’s method and later, deposited the GO onto the modified fibre optic layer to create a sensing platform. Prior than that, the standard plastic of fibre optic (POF) was modified by removing the cladding layer (1 cm) using a mechanical etching technique, thus the sensing platform can be created. The morphology and optical properties of the system were characterised using scanning electron microscopy (SEM) and ultraviolet-visible (UV-Vis) spectroscopy. Result of the preparation and characterisation of GO-optical fibre coatings was presented, considering its potential use for sensing applications. The stable GO was prepared by 3 hours of stirring time during the synthesis and longer dipping time was preferred to fully coat the core of the exposed POF. Aiming to explore this scheme for sensing applications, GO-coated tilted fibre will be later measuring via refractive index variations. An improvement on the sensitivity should be obtained and thus become a promising sensing platform for the development of a new line of sensors.
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Teng, Zhixia, Maozu Guo, Qiguo Dai, Chunyu Wang, Jin Li, and Xiaoyan Liu. "Computational Prediction of Protein Function Based on Weighted Mapping of Domains and GO Terms." BioMed Research International 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/641469.
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In this paper, we propose a novel method, SeekFun, to predict protein function based on weighted mapping of domains and GO terms. Firstly, a weighted mapping of domains and GO terms is constructed according to GO annotations and domain composition of the proteins. The association strength between domain and GO term is weighted by symmetrical conditional probability. Secondly, the mapping is extended along the true paths of the terms based on GO hierarchy. Finally, the terms associated with resident domains are transferred to host protein and real annotations of the host protein are determined by association strengths. Our careful comparisons demonstrate that SeekFun outperforms the concerned methods on most occasions. SeekFun provides a flexible and effective way for protein function prediction. It benefits from the well-constructed mapping of domains and GO terms, as well as the reasonable strategy for inferring annotations of protein from those of its domains.
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Wang, Hai Rong, Guo Liang Sun, Cheng Guan, Can Chen, and Zhuang De Jiang. "Measuring Subsurface Damage of the Ground Sample by Roughness along the Bevel." Materials Science Forum 694 (July 2011): 809–14. http://dx.doi.org/10.4028/www.scientific.net/msf.694.809.
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This paper presents a method of measuring subsurface damage by roughness variation along the bevel surface, which is prepared by MRF taper polishing. Experiments for the ground K9 glass samples show that roughness varies obviously at the position where the subsurface damages go to disappear. Discussions indicate that the method is quantitative and simple for measuring subsurface damage.
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Deshmukh, Rutuja V., Pavan Paraskar, S. Mishra, and Jitendra Naik. "Development of Nateglinide Loaded Graphene Oxide-Chitosan Nanocomposites: Optimization by Box Behnken Design." Micro and Nanosystems 11, no. 2 (August 20, 2019): 142–53. http://dx.doi.org/10.2174/1876402911666190328221345.
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Background: Nateglinide is an antidiabetic drug having biological half-life 1.5 h which shows a concise effect. Graphene oxide along with chitosan can be used as a nanocarrier for sustained release of Nateglinide. Objective: To develop Nateglinide loaded graphene oxide-chitosan nanocomposites and to evaluate for different characterization studies. Methods: Graphene Oxide (GO) was synthesized by improved hummer’s method and drug-loaded Graphene oxide - chitosan nanocomposites were prepared. Box Behnken design was used to carry out experiments. The nanocomposites were characterized for encapsulation efficiency and drug release. Morphology was studied using field emission scanning electron microscope and transmission electron microscope. An interaction between drug, polymer and GO was investigated by Fourier transform infrared spectroscopy and X-ray diffractometer along with in vitro drug release study. Results: The statistical evaluation of the design showed linear and quadratic models which are significant models for encapsulation efficiency (R1 0.6883, 0.9473) and drug loading (R2 0.6785, 0.9336), respectively. Fourier transform infrared spectroscopy showed the compatibility of GO, Chitosan and Nateglinide. X-ray diffractometer reveals the change in degree of crystallinity of drug. FE-SEM and TEM images confirmed the distribution of the drug within the nanocomposites. Design expert reveals that the concentration of GO has great influence on encapsulation efficiency. In Vitro drug release showed the sustained release of drug over the period of 12 h. Conclusion: GO-Chitosan nanocomposites can be used as a sustained release carrier system for Nateglinide to reduce dose frequency of drug as well as its probable side effects.
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Wang, Jin, Qiufang Yao, Chengmin Sheng, Chunde Jin, and Qingfeng Sun. "One-Step Preparation of Graphene Oxide/Cellulose Nanofibril Hybrid Aerogel for Adsorptive Removal of Four Kinds of Antibiotics." Journal of Nanomaterials 2017 (2017): 1–10. http://dx.doi.org/10.1155/2017/5150613.
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Via a one-step ultrasonication method, cellulose nanofibril/graphene oxide hybrid (GO-CNF) aerogel was successfully prepared. The as-prepared GO-CNF possessed interconnected 3D network microstructure based on GO nanosheets grown along CNF through hydrogen bonds. The aerogel exhibited superior adsorption capacity toward four kinds of antibiotics. The removal percentages (R%) of these antibiotics were 81.5%, 79.5%, 79.1%, and 73.9% for Doxycycline (DXC), Chlortetracycline (CTC), Oxytetracycline (OTC), and tetracycline (TC), respectively. Simultaneously, the adsorption isotherms were well fitted to Langmuir model and kinetics study implied that the adsorption process was attributed to pseudo-second-order model. The maximum theoretical adsorption capacities of GO-CNF were 469.7, 396.5, 386.5, and 343.8 mg·g−1 for DXC, CTC, OTC, and TC, respectively, calculated by the Langmuir isotherm models. After five cycles, importantly, the regenerated aerogels still could be used with little degradation of adsorption property. Consequently, the as-synthesized GO-CNF was a successful application of effective removal of antibiotics.
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Dong, Li Li, Shu Qing Xing, and Yong Lin Ma. "The Influence of Work Roller Diameter on Shape of Strip in Stainless Steel Cold Strip Rolling Process with Numerical Simulation Method." Advanced Materials Research 538-541 (June 2012): 646–50. http://dx.doi.org/10.4028/www.scientific.net/amr.538-541.646.
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In order to study the effects of work roller diameter on shape of strip in cold strip rolling process, the ANSYS/LS-DYNA software was employed to simulate rolling process of 2mm thickness stainless steel. It is found that the average of stress decrease along with the increasing diameter of the work roller.But this variation is about 1%.The stressstrain curve go more steady and the shape of strip become better along with the decreasing of the work roller diameter. In this paper the three kinds of rolling process will produce tiny waves edge. The waves edge was the most obvious when the work roller diameter is 60mm.
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Rafika, Ageng Setiani, Deviana Ika Putri, and Siskawati Sanusi. "SISTEM PEMBAYARAN RINCIAN BIAYA KULIAH PADA PERGURUAN TINGGI RAHARJA MENGGUNAKAN GO+." Journal CERITA 3, no. 1 (February 1, 2017): 64–74. http://dx.doi.org/10.33050/cerita.v3i1.621.
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Along with the development of increasingly sophisticated digital technology, online payment system rife used both government and private agencies. Similarly, in Higher Education. Financial Accounting System on Higher Education Prog is called GO (Green orchesta) is said to be still using the method of effective and efficient because students are required to come to campus first to find out some of the bills that must be paid. Even to know RBR (details Registration Fees) and Yandex (details Tuition) still use the local network that can only be accessed on BoxSiS (Student iLearning Service Box). With the rapid development of existing technologies, systems GO (Green orchesta) need to be made updates to the onlineversions are able to be accessed anytime and anywhere by students. Hence comes the system that has been updated is GO + (Green Orchestra Plus). GO + (Green Orchestra Plus), enables all payment systems pekuliahan student as the student can check the details of tuition anywhere and anytime. Not hasrus come kekampus and queued at the box sis. GO + (Green Orchestra Plus) highly efficient and effective for use as it can support the process online payments.
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Marhaeni, Novie P. "ANALISIS PEKERJAAN DAN PERENCANAAN SUMBER DAYA MANUSIA SERTA PENGARUHNYA TERHADAP METODE REKRUTMEN." Jurnal Bisnis Terapan 3, no. 02 (December 31, 2019): 129–36. http://dx.doi.org/10.24123/jbt.v3i02.2508.
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Human resources and jobs are an inseparable unit in a company. Both go hand in handand have high dependency. Company management needs to do a job analysis along with human resource planning that will fill the formation or do the work. Therefore, job analysis and HR planning provide direction for management to determine the right method in the recruitment process. Thus, they can get the right people to fill the right position too. This article aims to examine and explain the effect of job analysis and HR planning on recruitment methods. With the literature study conducted, it was concluded that both the job analysis and HR planning variables have a significant influence on the recruitment method.
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Wei, Chang Fan, Shao Yi Hu, and Bao Sheng Zhao. "The Research on Vibration Testing and Analysis Method of the Steel Truss Coal Trestle." Applied Mechanics and Materials 482 (December 2013): 141–44. http://dx.doi.org/10.4028/www.scientific.net/amm.482.141.
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The coal transport trestle as a connection channel is widely used in large and medium-sized coal enterprises, which plays an important role in the whole manufacturing process. The vibration problems in coal transport trestle can not only reduce the occupant comfort, cause people serious harm, but also have pernicious effect on structure. Along with the structure aging and dynamics property change, things go badly, which even causes enormous life and property loss. This paper describes the vibration testing and analysis methods of the steel truss coal trestle though engineering examples. The results show that the belt transport system is the main reason which caused the vibration of the STCT, and trestle must undergo resonance phase with the exciting force changes.
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Muthukrishnaraj, Appusamy, Salma Ahmed Al-Zahrani, Ahmed Al Otaibi, Semmedu Selvaraj Kalaivani, Ayyar Manikandan, Natarajan Balasubramanian, Anwar L. Bilgrami, et al. "Enhanced Photocatalytic Activity of Cu2O Cabbage/RGO Nanocomposites under Visible Light Irradiation." Polymers 13, no. 11 (May 24, 2021): 1712. http://dx.doi.org/10.3390/polym13111712.
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Towards the utilization of Cu2O nanomaterial for the degradation of industrial dye pollutants such as methylene blue and methyl orange, the graphene-incorporated Cu2O nanocomposites (GCC) were developed via a precipitation method. Using Hummers method, the grapheme oxide (GO) was initially synthesized. The varying weight percentages (1–4 wt %) of GO was incorporated along with the precipitation of Cu2O catalyst. Various characterization techniques such as Fourier-transform infra-red (FT-IR), X-ray diffraction (XRD), UV–visible diffused reflectance (UV-DRS), Raman spectroscopy, thermo gravimetric analysis (TGA), energy-dispersive X-ray analysis (EDX), and electro chemical impedance (EIS) were followed for characterization. The cabbage-like morphology of the developed Cu2O and its composites were ascertained from field-emission scanning electron microscopy (FESEM) and high-resolution transmission electron microscopy (HR-TEM). In addition, the growth mechanism was also proposed. The results infer that 2 wt % GO-incorporated Cu2O composites shows the highest value of degradation efficiency (97.9% and 96.1%) for MB and MO at 160 and 220 min, respectively. Further, its catalytic performance over visible region (red shift) was also enhanced to an appreciable extent, when compared with that of other samples.
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Chakraborty, J. N., Manas Ranjan Mohapatra, and Jatin Kumar. "Differential functional finishes for textiles using graphene oxide." Research Journal of Textile and Apparel 22, no. 1 (March 12, 2018): 77–91. http://dx.doi.org/10.1108/rjta-08-2017-0040.
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Purpose Graphene, which has abundant availability in nature, is currently under research for its functional applications in the field of textiles. The sp2 Hybridized 1-atom-thick planar sheet has been under consideration for its unique electrical, mechanical and thermal properties, but there exists a void for aggregated data on the findings of other co-functional properties attained by the material using graphene oxide (GO) finish. This paper aims to define the techniques of extraction of GO, method of its application on textile material followed by detailed evaluation of the differential functional properties achieved. Design/methodology/approach The methodology used to explain the multiple functionalities of GO finish have been carried out by starting with the chemistry of graphene and the isolation of GO from graphite, followed by the techniques for its application on the textile along with the study on the induced functional properties that may aid to increase its potential applications. Findings It has been observed that with the aid of optimization of GO finish, the finish in lieu with the conductive potentialities may further provide with many essential properties such as hydrophobicity, ultraviolet protection and antibacterial property. Originality/value The field of research on GO finish is naive and except few properties, many functionalities are still unexplored that may enable its smooth production, handling and expanding its area of application. The agglomeration of scattered findings on the achievable functional properties of GO on various textiles has been achieved in this paper.
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VERBOVOY, A. F., and I. D. KUChINA. "REZUL'TATY RENTGENOMORFOMETRII POZVONOChNIKA U bol'nykh sakharnym diabetom2 tipa." Osteoporosis and Bone Diseases 11, no. 1 (April 15, 2008): 14. http://dx.doi.org/10.14341/osteo2008114-14.
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In this study we analyzed degree, character, spreading and location of vertebral deformation in lateral radiograph of the thoracic and lumbar spine (by method of Felsenberg).We analyzed radiographs 55 patients with diabetes mellitus (25 men and 30 women). Index Saville was also estimated. Deformation of anterior vertebral areas prevailed over deformations of vertebral bodies in this kind of patients. The conclusion is that diabetes mellitus doesn't go along with frequent development of vertebral osteoporosis.
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Wijaya, Eko, Dayal Gustopo Setiadjit, and Nelly Budiharti. "Assessment of Go-Jek Transfortation Services in Indonesia Through Gap Service Quality and Impact on Consumer Loyalty." Volume 5 - 2020, Issue 8 - August 5, no. 8 (August 17, 2020): 61–65. http://dx.doi.org/10.38124/ijisrt20aug078.
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Along with the development of transportation era, it becomes a very important need in running the wheels of the people's economy , with the increase in online-based technology , competition in the field of online transportation can not be avoided. To be able to compete with other online transportation companies by improving the quality of services provided to consumers. The purpose of this study is to evaluate the quality of service of PT. Go-Jek Indonesia for consumers. Based on the results of this study using the Service Quality method (seen from Tangible, Reliability, Responsiveness, Assuransc, Emphaty ) by distributing questionnaires using Google forms to 400 respondents throughout the service area of PT. Go-Jek Indonesia. The results of the service quality / gap calculation for each statement dimension are all of negative values, indicating that the services provided by PT. Go-Jek Indonesia cannot be said of quality or service quality does not meet the expectations of Go-Jek customers. This condition shows that there is still a need to improve the quality of services provided by PT. GoJek Indonesia in order to achieve the ideal service quality to remain competitive with other competitors.
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Yang, Zebin, Jitao Liu, Jinkun Liu, Xiliang Chen, Tingting Yan, and Qinghua Chen. "Investigation on physicochemical properties of graphene oxide/nano-hydroxyapatite composites and its biomedical applications." Journal of the Australian Ceramic Society 57, no. 2 (January 23, 2021): 625–33. http://dx.doi.org/10.1007/s41779-021-00568-3.
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AbstractGraphene oxide/nano-hydroxyapatite (GO/nHAP) composites were synthesized by simultaneous titration method. The GO powder was uniformly dispersed ultrasonically in a solution containing Ca(NO3)2. It was co-titrated with (NH4)2HPO4, during which NH3·H2O was used to maintain pH of about 10. Transmission electron microscopy (TEM) showed that HAP had a drusy acicular crystal structure with 100–200 nm length in the composite. The Ca2+ ions were attracted by the negatively charged oxygen functional groups present on GO sheets. They also oriented the growth of hydroxyapatite preferentially along (112) plane, which was also consistent with X-ray diffractometry (XRD) results. According to X-ray photoelectron spectroscopic (XPS) results, the peak intensities of the C–O and C–C groups increased in the GO/nHAP composite. However, the number of –COO– and C–O–C groups was reduced as well as the position of peaks shifted due to electrostatic interactions. These results were also corroborated with Fourier transform infrared spectroscopy (FTIR). MTT assay indicated that GO/nHAP composites had a significant effect on proliferation of 293T cells and good biomimetic mineralization as shown by in vitro bioactivity assays. EDS spectroscopy confirmed that the Ca/P ratio in calcium phosphate deposits was 1.62, which was close to the ratio of 1.64 in natural bone. The biological performance of GO/nHAP composite proved it to be a promising candidate for bone regeneration and implantation.
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Cojocaru, Elena, Jana Ghitman, Elena Iuliana Biru, Gratiela Gradisteanu Pircalabioru, Eugeniu Vasile, and Horia Iovu. "Synthesis and Characterization of Electrospun Composite Scaffolds Based on Chitosan-Carboxylated Graphene Oxide with Potential Biomedical Applications." Materials 14, no. 10 (May 13, 2021): 2535. http://dx.doi.org/10.3390/ma14102535.
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This research study reports the development of chitosan/carboxylated graphene oxide (CS/GO-COOH) composite scaffolds with nanofibrous architecture using the electrospinning method. The concept of designed composite fibrous material is based on bringing together the biological properties of CS, mechanical, electrical, and biological characteristics of GO-COOH with the versatility and efficiency of ultra-modern electrospinning techniques. Three different concentrations of GO-COOH were added into a chitosan (CS)-poly(ethylene oxide) (PEO) solution (the ratio between CS/PEO was 3/7 (w/w)) and were used in the synthesis process of composite scaffolds. The effect of GO-COOH concentration on the spinnability, morphological and mechanical features, wettability, and biological properties of engineered fibrous scaffolds was thoroughly investigated. FTIR results revealed the non-covalent and covalent interactions that could take place between the system’s components. The SEM micrographs highlighted the nanofibrous architecture of scaffolds, and the presence of GO-COOH sheets along the composite CS/GO-COOH nanofibers. The size distribution graphs showed a decreasing trend in the mean diameter of composite nanofibers with the increase in GO-COOH content, from 141.40 nm for CS/PG 0.1% to 119.88 nm for CS/PG 0.5%. The dispersion of GO-COOH led to composite scaffolds with increased elasticity; the Young’s modulus of CS/PG 0.5% (84 ± 4.71 MPa) was 7.5-fold lower as compared to CS/PEO (662 ± 15.18 MPa, p < 0.0001). Contact angle measurements showed that both GO-COOH content and crosslinking step influenced the surface wettability of scaffolds, leading to materials with ~1.25-fold higher hydrophobicity. The in vitro cytocompatibility assessment showed that the designed nanofibrous scaffolds showed a reasonable cellular proliferation level after 72 h of contact with the fibroblast cells.
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Piat, Myra, Kimberly Seida, and Judith Sabetti. "Understanding everyday life and mental health recovery through CHIME." Mental Health and Social Inclusion 21, no. 5 (November 13, 2017): 271–79. http://dx.doi.org/10.1108/mhsi-08-2017-0034.
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Purpose The purpose of this paper is to understand how daily life reflects the recovery journeys of individuals with serious mental illness (SMI) living independently in the community. Design/methodology/approach The go-along technique, which blends participant observation and interviewing, was used to gather data from 19 individuals with SMI living in supported housing. Data were analyzed through the CHIME framework of personal recovery, which includes social connectedness, hope and optimism, identity, meaning in life, and empowerment. Findings Applying the CHIME framework to qualitative data reveals the multiple ways in which everyday experiences, within and beyond formal mental healthcare environments, shapes personal recovery processes. Research limitations/implications Combining novel methods and conceptual frameworks to lived experiences sharpens extant knowledge of the active and non-linear aspects to personal recovery. The role of the researcher must be critically considered when using go-along methods. Practical implications Practitioners working with this population should account for the role of socially supportive and financially accessible spaces and activities that support the daily work of recovery beyond the context of formal care and services. Originality/value This study utilizes an innovative method to illustrate the crucial role of daily and seemingly banal experiences in fostering or hindering personal recovery processes. It is also the one of the first studies to comprehensively apply the CHIME framework to qualitative data in order to understand the recovery journeys of individuals with SMI living in supported housing.
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Bochkova, M. S., V. P. Timganova, P. V. Khramtsov, S. V. Uzhviyuk, K. Yu Shardina, A. I. Nechaev, M. B. Raev, and S. A. Zamorina. "Study of the graphene oxide nanoparticles effect on luminol-dependent chemiluminescence of human leukocytes." Medical Immunology (Russia) 22, no. 5 (December 1, 2020): 977–86. http://dx.doi.org/10.15789/1563-0625-sot-2051.
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Graphene and its derivatives are increasingly used in biomedical research. Therefore, the mechanisms and consequences of the interaction of graphene nanoparticles with living objects are intensively studied. The immune system is involved in protecting the body and regulating its functions, so the question of the effect of graphene and its derivatives on immune cells is crucial. The specific response of monocytes, macrophages, and neutrophils to a stimulus is to increase the production of reactive oxygen species (ROS). Published data on graphene oxide (GO) and polyethylene glycol-modified graphene oxide (GO-PEG) effects on peripheral blood leukocytes are scarce and contradictory. It is due to variations in objects and conditions of study, along with the difference in particle concentrations. Thus, it was essential to evaluate the GO and GO-PEG effect on ROS production by human leukocytes. Our study aimed at the effect of particles of unmodified and PEG-modified graphene oxide (GO and GO-PEG) on the ROS production by peripheral blood leukocytes in not-stimulated and stimulated luminoldependent chemiluminescence (LCL) tests. ROS production was stimulated by opsonized zymosan (OZ). A hydrogen peroxide-luminol system was used for assessing the independent effect of GO nanoparticles on the quenching of ROS luminescence. Pristine GO (Ossila, Great Britain) nanoparticles were PEG-modified (GO-PEG). The average size of the GO flakes was 1-5 µm, the GO-PEG-flakes 569±14 nm, and the amount of PEG covering was ~ 20%. Nanoparticles were used at concentrations of 5; 2.5; 1.25 µg/ml. It has been established that GO-PEG nanoparticles in concentrations of 2.5 and 5 µg/ml suppressed ROS production in the spontaneous LCL test. At the same time, the GO effects showed a visible but a not significant tendency to inhibition of LCL. Similar results were obtained in the stimulated LCL test. However, when analyzing the process kinetics, both GO-PEG and GO decreased the ROS production, but mainly in the first minutes of the test. When analyzing the quenching effect of the LCL reaction in a cell-free system, there was no significant effect of GO and GO-PEG nanoparticles. Thus, the general vector of the obtained effects was associated with the suppression of ROS production. GO-PEG ROS-decreasing effects were more pronounced in comparison with unmodified GO. In general, we have confirmed the antioxidant effects of GO and GO-PEG using the LCL method. We can assume that in addition to the actual antioxidant effect of graphene nanoparticles, ROS production decreases due to the rapid GO uptake and blocking of several intracellular signals that induce an oxidative burst.
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Delage, Pierre, and Yu Jun Cui. "A novel filtration system for polyethylene glycol solutions used in the osmotic method of controlling suction." Canadian Geotechnical Journal 45, no. 3 (March 2008): 421–24. http://dx.doi.org/10.1139/t07-087.
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One of the problems encountered when using the osmotic technique of controlling suction is related to the possible crossing of polyethylene glycol (PEG) molecules through the semipermeable membrane. Of the various hypotheses proposed, the paper considers the hypothesis that the PEG solutions are not pure enough and have molecules that are small enough to cross the semipermeable membrane. The paper presents a novel PEG purification system in which two solutions at different concentrations are put in contact through a semipermeable membrane along a large exchange surface. A peculiarity of the system is that it creates two opposite fluxes through the membrane, where small PEG molecules go from the higher concentration solution towards the lower concentration solution, and water migrates in the opposite direction. It has been observed that a small quantity of small molecules of PEG 6000 crossed the molecular weight cutoff (MWCO) 3500 semipermeable membrane.
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Carpiano, Richard M. "Come take a walk with me: The “Go-Along” interview as a novel method for studying the implications of place for health and well-being." Health & Place 15, no. 1 (March 2009): 263–72. http://dx.doi.org/10.1016/j.healthplace.2008.05.003.
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Zhao, Chunyu, Bin He, Junjiang Liu, Yanlong Han, and Bangchun Wen. "Design method of dynamic parameters of a self-synchronization vibrating system with dual mass." Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics 232, no. 1 (January 29, 2017): 3–20. http://dx.doi.org/10.1177/1464419316689643.
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This paper presents a design method of dynamic parameters for the self-synchronization vibrating conveyor with two exciters. The dimensionless coupling equations of the two exciters are derived by using the average method of modified small parameters and the synchronization and stability criteria are deduced from the existence and stability conditions of the dimensionless coupling equations. The two exciters loading coefficient is a periodic function of the phase difference between the two exciters and the extreme point of synchronization is either the minimum or maximum point of the two exciters loading coefficient. There are two ridges in the three-dimensional graphs of the characteristic amplitude and the force transmission coefficient on the plane of the two design frequency ratios, respectively. One ridge of both the characteristic amplitude and the force transmission coefficient is distributed along the curve segment of the one natural frequency ratio in the direction of the working mass frequency ratio approaching to zero, but the other ridge of the characteristic amplitude and that of the force transmission coefficient go along the curve segments of the other natural frequency ratio in the directions that the isolation mass frequency ratio and the working mass frequency ratio approach to infinity, respectively. The design procedure of the dynamic parameters is proposed by numerically and experimentally discussing the effects of the dynamic parameters on the performance parameters of vibrating system. A design example of the vibrating conveyor is given to verify the effectiveness of the proposed design method.
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Sun, Shangqu, Liping Li, Jing Wang, Shaoshuai Shi, Shuguang Song, Zhongdong Fang, Xingzhi Ba, and Hao Jin. "Karst Development Mechanism and Characteristics Based on Comprehensive Exploration along Jinan Metro, China." Sustainability 10, no. 10 (September 21, 2018): 3383. http://dx.doi.org/10.3390/su10103383.
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Jinan is the capital of Shandong Province and is famous for its spring water. Water conservation has become the consensus of Jinan citizens and the government and the community. The construction of metro engineering in Jinan has lagged behind other cities of the same scale for a long time. The key issue is the protection of spring water. When metro lines are constructed in Jinan karst area, the water-inrushing, quicksand, and piping hazards can easily occur, which can change the groundwater seepage environment and reduce spring discharge. Therefore, we try to reveal the development conditions, mechanism, and mode of karst area in Jinan. In addition, we propose the comprehensive optimizing method of “shallow-deep” and “region-target” suitable for exploration of karst areas along Jinan metro, and systematically study the development characteristics of the karst areas along Jinan metro, thus providing the basis for the shield tunnel to go through karst areas safely and protecting the springs in Jinan.
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Pollard, T. D., D. Bhandari, P. Maupin, A. G. Weeds, and H. E. Huxley. "Visualization in the EM of the intermediates in the actin-myosin ATPase cycle prepared by a rapid-freezing/stopped-flow method." Proceedings, annual meeting, Electron Microscopy Society of America 45 (August 1987): 812–13. http://dx.doi.org/10.1017/s0424820100128341.
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Motion and force are produced by myosin and actin in muscle and nonmuscle cells when myosin heads move along the surface of actin filaments. The energy is provided by the hydrolysis of ATP on the head of the myosin molecule. The details of the molecular motion in the myosin crossbridge have resisted characterization, in part because the crossbridge act asynchronously, even in the semicrystalline array of filaments found in striated muscles. Consequently, averaging techniques, including spectroscopic methods, tend to record a blurred signal from a large population of crossbridges.One way to circumvent this problem is :to examine individual myosin heads as they go through their cycle of ATP hydrolysis on the surface of the actin filament. The heads of myosin are large enough to image by EM, but the low affinity of active crossbridges for actin filaments complicates the situation.
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Hiraishi, Hironori. "Passenger Condition Based Route-Planning for Cognitive Vehicle System." International Journal of Software Science and Computational Intelligence 10, no. 2 (April 2018): 25–35. http://dx.doi.org/10.4018/ijssci.2018040102.
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This article proposes a route-planning method for an environment in which self-driving vehicles are widely used. Such vehicles generate a new route to avoid traffic congestion when it occurs. Through the self-developed traffic simulator, the author was able to clarify that it is not always best to generate an avoidance route, and the decision to drive along the current route without generating an avoidance route becomes important in certain cases. Thus, the author proposes a method in which a vehicle judges whether to generate an avoidance route based on the passenger's condition. To detect the passenger's condition, the author uses a sitting-pressure sensor and succeeded in recognizing passenger fatigue. The author can therefore make certain judgments: The vehicle will go along the current route if the passenger seems to be relaxed and in a comfortable atmosphere, the vehicle will arrive earlier by avoiding traffic congestion if the passenger seems to be tired or irritated, or the vehicle will stop for a break period if the passenger seems to be significantly tired.
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Lel, Iurii, Igor Glebov, Olga Musikhina, Ruslan Ganiev, and Nikolai Khardik. "Energy method of assessing and systematizing open pit automobile transport operating conditions." Izvestiya vysshikh uchebnykh zavedenii Gornyi zhurnal 1, no. 8 (December 21, 2020): 14–25. http://dx.doi.org/10.21440/0536-1028-2020-8-14-25.
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Research aim is to develop the method of assessing and systematizing open pit automobile transport operating conditions. Research relevance. Pit depth growth and the introduction of modern models of dump trucks capable of working on 18–24% slopes complicate the conditions of industrial vehicles operation. In this regard, the development of the method and indicators of rock mass transportation difficulty becomes relevant as well as the systematization of vehicles operation conditions. Research methodology. The method of evaluating the difficulty of transportation is based on calculating diesel consumption per one haul cycle and reducing the actual length of the route to the relative horizontal distance with the use of rock mass vertical haul horizontal equivalents. Experimental and analytical dependences for horizontal equivalents have been determined. As a criterion of transportation difficulty evaluation, the use of operation conditions difficulty coefficient has been substantiated showing how many times truck’s power consumption when moving along the real route is higher than power consumption when moving along the horizontal macadamized route of the same length. Results. As a result of the research, the method of assessing and systematizing the operation conditions of open pit automobile transport. It has been determined that maximum values for conditions difficulty ISSN 0536-1028 «Известия вузов. Горный журнал», № 8, 2020 25 coefficients for the trucks with 4 × 2 wheel configuration are 2.6–3.0, and for all-wheel drive trucks – 5.0–6.5. By the difficulty coefficient, all operating conditions are divided into 5 classes (relatively easy, medium, difficult, very difficult, and extremely difficult). It has been determined that operating conditions in the most of diamond-mining open pits of ALROSA PJSC refer to class 3 and 4 (difficult and very difficult). The introduction of the all-wheel drive trucks will go along with the transition of operating conditions to class 5 (extremely difficult). For most of Ural pits classes 2 and 3 are typical (medium and difficult). Scope of results. Research results are to be used in open pit automobile transport design and operation when assessing and systematizing operating conditions, in technological calculations when regulating and planning diesel consumption and dump trucks capacity, and when correcting the regulatory standards of maintenance support, etc.
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McGrath, Triona, Margot Cronin, Elizabeth Kerrigan, Douglas Wallace, Clynton Gregory, Claire Normandeau, and Evin McGovern. "A rare intercomparison of nutrient analysis at sea: lessons learned and recommendations to enhance comparability of open-ocean nutrient data." Earth System Science Data 11, no. 1 (March 11, 2019): 355–74. http://dx.doi.org/10.5194/essd-11-355-2019.
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Abstract. An intercomparison study has been carried out on the analysis of inorganic nutrients at sea following the operation of two nutrient analysers simultaneously on the GO-SHIP A02 trans-Atlantic survey in May 2017. Both instruments were Skalar San++ Continuous Flow Analyzers, one from the Marine Institute, Ireland and the other from Dalhousie University, Canada, each operated by their own laboratory analysts following GO-SHIP guidelines while adopting their existing laboratory methods. There was high comparability between the two data sets and vertical profiles of nutrients also compared well with those collected in 1997 along the same A02 transect by the World Ocean Circulation Experiment. The largest differences between data sets were observed in the low-nutrient surface waters and results highlight the value of using three reference materials (low, middle and high concentration) to cover the full range of expected nutrients and identify bias and non-linearity in the calibrations. The intercomparison also raised some interesting questions on the comparison of nutrients analysed by different systems and a number of recommendations have been suggested that we feel will enhance the existing GO-SHIP guidelines to improve the comparability of global nutrient data sets. A key recommendation is for the specification of clearly defined data quality objectives for oceanic nutrient measurements and a flagging method for reported data that do not meet these criteria. The A02 nutrient data set is currently available at the National Oceanographic Data Centre of Ireland: https://doi.org/10.20393/CE49BC4C-91CC-41B9-A07F-D4E36B18B26F and https://doi.org/10.20393/EAD02A1F-AAB3-4F4E-AD60-6289B9585531.
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Yanagihara, Kota, Shin Kubo, and Toru Tsujimura. "Numerical description of mode coupled waves in inhomogeneous magnetized plasmas." EPJ Web of Conferences 203 (2019): 01011. http://dx.doi.org/10.1051/epjconf/201920301011.
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Geometrical optics (GO) ray tracing has been widely used for a description of electron cyclotron resonance waves in inhomogeneous magnetized fusion plasmas. However, this reduced approach is not correct in sufficient low density plasmas with a sheared magnetic field, where mode coupling between two electromagnetic-like cold plasma modes can occur. Here, we extend a ray tracing method based on the first-order theory of extended geometrical optics (XGO), which captures mode coupled complex amplitude between O and X mode along the ray trajectory. In our approach, reference ray is calculated with ray equation to satisfy the lowest-order part of XGO theory and an evolution of complex amplitude profile along the reference ray is calculated with partial differential equation derived from first-order terms. Calculation results performed by extended ray tracing are in good agreement with 1D full wave analysis. By introducing second-order terms into our numerical approach, diffraction will be treated.
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Loidolt, Sophie. "Order, experience, and critique: The phenomenological method in political and legal theory." Continental Philosophy Review 54, no. 2 (March 1, 2021): 153–70. http://dx.doi.org/10.1007/s11007-021-09535-y.
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AbstractThe paper investigates phenomenology’s possibilities to describe, reflect and critically analyse political and legal orders. It presents a “toolbox” of methodological reflections, tools and topics, by relating to the classics of the tradition and to the emerging movement of “critical phenomenology,” as well as by touching upon current issues such as experiences of rightlessness, experiences in the digital lifeworld, and experiences of the public sphere. It is argued that phenomenology provides us with a dynamic methodological framework that emphasizes correlational, co-constitutional, and interrelational structures, and thus pays attention to modes of givenness, the making and unmaking of “world,” and, thereby, the inter/subjective, affective, and bodily constitution of meaning. In the case of political and legal orders, questions of power, exclusion, and normativity are central issues. By looking at “best practice” models such as Hannah Arendt’s analyses, the paper points out an analytical tool and flexible framework of “spaces of meaning” that phenomenologists can use and modify as they go along. In the current debates on political and legal issues, the author sees the main task of phenomenology to reclaim experience as world-building and world-opening, also in a normative sense, and to demonstrate how structures and orders are lived while they condition and form spaces of meaning. If we want to understand, criticize, act, or change something, this subjective and intersubjective perspective will remain indispensable.
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Tretyakov, Nikolay P., Pavel E. Golosov, and Saif A. Mouhammad. "Non-Traditional Correlation Analysis: Explanatory Power and Opportunities for Knowledge Discovery in Democracy Studies." Modern Applied Science 10, no. 7 (April 28, 2016): 99. http://dx.doi.org/10.5539/mas.v10n7p99.
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The possibility of successful applications of the modified correlation coefficient is demonstrated. The latter was proposed by Lukashin nearly twenty five years ago and has been unused since then. A multivariate generalization of this coefficient is proposed. The modified correlation coefficients provide an efficient tool to develop a new multivariate classification method, i.e. a technique for grouping of objects that occurs together with their ranking. As an example of application of the new method, the data of Freedom House is used. NCA (Non-traditional Correlation Analysis), along with similar unconventional methods as FCA (Formal Concept Analysis) and QCA (Qualitative Comparative Analysis) allow to gain additional knowledge from existing databases and numerous ratings which are produced by different agencies. The latters often lack time and opportunities to deeply analyze them, even to go beyond a simple “averaging”. NCA may give additional opportunities for social researchers to understand social phenomena in its complexity, for in-depth analysis and interpretation of structure of data, to build “hierarchical typologies”, and broadly, for data mining and additional knowledge discovery.
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George, Filomina P. "Churning the Best Performer from the Last Performer! A Case Study on Innovations in B-Schools." South Asian Journal of Business and Management Cases 8, no. 3 (August 15, 2019): 303–11. http://dx.doi.org/10.1177/2277977919860285.
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Delivering quality business education in a complex and dynamic world is a major challenge for any Business School (B-School). It calls for constantly innovating new methods to entice, engage and enrich the learning experience of the students who go through a B-School programme. By meaningfully integrating such methods into the curriculum along with fulfilling the academic requirements leaves a longstanding impression on the learner. The Integrated Managerial Learning Program, branded as IMLP, is one such innovative method, which has stood the test of time easing out the transformation process during the two years tenure of the postgraduate programme in management. The following case describes the testimony of how IMLP has survived the dynamics of the changing world, transforming the last performer into the best performer, thus leaving a lasting impression on the students through a co-curricular activity, which is cherished by them at their workplaces and in almost every alumni meet.
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Slimi, Zouhaier. "Potentialities of the Finnish Higher Educational Framework for the Middle East: Requirements, Challenges, and Perspectives—Case of Oman." Journal of Education and Learning 8, no. 3 (March 29, 2019): 69. http://dx.doi.org/10.5539/jel.v8n3p69.
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Studying the possibility of applying the Finnish Higher Education framework in the Middle East; the case of Oman requires an in-depth investigation and a clear focus on the main success factors.
The research method uses the qualitative approach to study the points of views, feeling and assumptions of all the stakeholders in the Omani educational system and how teachers perceive the idea of applying the Finnish example.
The results reveal that all participants are for using the Finnish Higher Education Framework in Oman. However, they see that the application should go through a strategic, constant long-term process along with the professional development of academic staff, the collaboration of all stakeholders and the support of the government are critical requirements.
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Gézero, L., and C. Antunes. "A REGISTRATION METHOD OF POINT CLOUDS COLLECTED BY MOBILE LIDAR USING SOLELY STANDARD LAS FILES INFORMATION." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-1/W1 (May 31, 2017): 121–28. http://dx.doi.org/10.5194/isprs-archives-xlii-1-w1-121-2017.
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In the last few years, LiDAR sensors installed in terrestrial vehicles have been revealed as an efficient method to collect very dense 3D georeferenced information. The possibility of creating very dense point clouds representing the surface surrounding the sensor, at a given moment, in a very fast, detailed and easy way, shows the potential of this technology to be used for cartography and digital terrain models production in large scale. However, there are still some limitations associated with the use of this technology. When several acquisitions of the same area with the same device, are made, differences between the clouds can be observed. The range of that differences can go from few centimetres to some several tens of centimetres, mainly in urban and high vegetation areas where the occultation of the GNSS system introduces a degradation of the georeferenced trajectory. Along this article a different method point cloud registration is proposed. In addition to the efficiency and speed of execution, the main advantages of the method are related to the fact that the adjustment is continuously made over the trajectory, based on the GPS time. The process is fully automatic and only information recorded in the standard LAS files is used, without the need for any auxiliary information, in particular regarding the trajectory.
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Surmick, David M., and Christian G. Parigger. "Tracking Temporal Development of Optical Thickness of Hydrogen Alpha Spectral Radiation in a Laser-Induced Plasma." Atoms 7, no. 4 (November 4, 2019): 101. http://dx.doi.org/10.3390/atoms7040101.
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In this paper, we consider the temporal development of the optical density of the H α spectral line in a hydrogen laser-induced plasma. This is achieved by using the so-called duplication method in which the spectral line is re-imaged onto itself and the ratio of the spectral line with it duplication is taken to its measurement without the duplication. We asses the temporal development of the self-absorption of the H α line by tracking the decay of duplication ratio from its ideal value of 2. We show that when 20% loss is considered along the duplication optical path length, the ratio is 1.8 and decays to a value of 1.25 indicating an optically thin plasma grows in optical density to an optical depth of 1.16 by 400 ns in the plasma decay for plasma initiation conditions using Nd:YAG laser radiation at 120 mJ per pulse in a 1.11 × 10 5 Pa hydrogen/nitrogen gas mixture environment. We also go on to correct the H α line profiles for the self-absorption impact using two methods. We show that a method in which the optical depth is directly calculated from the duplication ratio is equivalent to standard methods of self-absorption correction when only relative corrections to spectral emissions are needed.
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Marimin, Agus. "Pengaruh Gaya Kepemimpinan, Motivasi Kerja dan Budaya Organisasi terhadap Kinerja Karyawan pada Bank Muamalat Indonesia Cabang Surakarta." Muqtasid: Jurnal Ekonomi dan Perbankan Syariah 2, no. 1 (July 1, 2011): 23. http://dx.doi.org/10.18326/muqtasid.v2i1.23-37.
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Human resource represent the key factor go to the success, along of human resource activator in operational company. The purpose if this research is to prove the influence of leadership style, work motivation, and organization culture toward employee performance of Bank Muamalat branch Indonesia Surakarta. The method used in this research is survey which using questioner for getting data. The respondents of this research are all of employee at Bank Muamalat branch Indonesia Surakarta. The data that get in this research is processed with program SPSS version 16.00. The test is done with linear regression model, t test, f test, R2 and Classic Assumption. Conclusion of this research is there is influence which significance of among leadership style, motivation, and organization culture toward employee performance of Bank Muamalat branch Indonesia Surakarta as individually.
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Yang, Shi Chun, and Xiao Long Lv. "Study on the Concentration Process of Glutamic Acid Neutralizer by Vaccum Membrane Distillation Method and the Reuse of Product Water." Advanced Materials Research 518-523 (May 2012): 2022–29. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.2022.
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This paper uses orthogonal experiment for optimizing technological conditions of decolorization, and draws the conclusion that the best combination is A3C3B1E1D3, namely H2SO4：1.5%；HCl：5% and sepiolite: 1.5 g/l; speed 100 r/min; time: 1.5 h. Membrane distillation technology replaces the dryer to enrich the glutamic acid neutralizer, and improves the concentration of sodium glutamate in the glutamic acid neutralizer. The membrane distillation flux of glutamic acid neutralizer changes along the concentration multiple curve. It shows that with concentration up to 60%，the glutamic acid neutralizer will supersaturate when crystal comes up and the membrane distillation can't go on. The color and conductivity of product water suggest that some volatile substances are formed. Peak time difference between glutamate filtrate gas chromatography and product water of the membrane distillated glutamic acid neutralizer does not exceed 0.1min, and thus indicates that four volatile substances from product water are derived from glutamic acid filtrate. Product water can be recollected to glutamic acid ferment tank and recycled. Scanned by FT-IR, the main ingredients in the neutralizer indicate the existence of amino acid kind materials. When replacing dryer with membrane distillation process in industrialization, glutamic acid neutralizer can be concentrated from 50% to 59%, thus greatly improves economic benefit.
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Fu, Yue, Chao Lu, Guo Chen, and Chan Wang. "Three-Dimensional Numerical Simulation of Immersion Diffraction Sound Field Characteristics for Low Thicknesses Pipe Ring Weld." Applied Mechanics and Materials 727-728 (January 2015): 831–34. http://dx.doi.org/10.4028/www.scientific.net/amm.727-728.831.
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The numerical simulation of immersion TOFD (I-TOFD) detection for low thicknesses pipe ring weld was performed by Ultrasonic simulation software Wave 3000. The author get the sound field characteristics of diffraction wave through setting eight receivers in receiving area, thus determine the strongest diffraction wave energy range between 50°~60°.In the simulation, the author found that the longitudinal wave inspired by source after refraction in water-steel interface, continue to spread along under the surface of water-steel interface, and then the wave go back to the water again. We call the wave as the lateral wave of I-TOFD. So the defects can be determined according to the lateral wave and the bottom echo wave. The result of numerical simulation verified the feasibility of using I-TOFD method in detecting low thicknesses pipe ring weld in theory.
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Et al., Veera Reddy Karnati. "Numerical analysis of MHD Casson boundary layer nanofluid flow over porous stretching surface with the effects of radiation and chemical reaction." Psychology and Education Journal 58, no. 1 (January 1, 2021): 1764–75. http://dx.doi.org/10.17762/pae.v58i1.1022.
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In this article numerical analysis of incompressible, two dimensional and mixed convective MHD Casson fluid flows over a stretching surface with porosity under the influence of radiation and chemical reaction as well as viscous dissipation considered. By utilizing suitable similarity analysis, the governing PDEs (Partial differential equations) with its respective boundary conditions were transformed to dimensionless forms. The resulting ODEs (Ordinary differential equations) along with corresponding boundary conditions were solved via shooting technique combined with Runge-kutta-Fehlberg method. The outcomes of this study illuminates that velocity, temperature and concentration fields decreases due to the thickness of the boundary layer as we go away from the stretching sheet surface and falling of velocity observed in Casson fluid parameter. Under some restriction the resultant outcome were compared with previous published results and is found in admirable agreement.
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Sharma, Niharika, Prakhar Mishra, K. Sadhana, and P. Nithyakani. "Segmenting and classifying MRI images for brain tumors using CNN." International Journal of Engineering & Technology 7, no. 3.29 (August 24, 2018): 146. http://dx.doi.org/10.14419/ijet.v7i3.29.18545.
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Gliomas are one of the most prevalent and aggressive form of brain tumours in the world. Patient's usually go on to live a very short life after the initial diagnosis. Therefore, it is crucial to successfully and quickly outline a method for diagnosing the same in it's very earliest stages.Magnetic Resonance Imaging, or MRI as it is more frequently called is a noninvasive method of imaging parts of human anatomy. MRI's utilise robust fields of magnetism, along with waves that have frequencies corresponding to the radio waves in the spectrum to develop precise pictures to get a sense of the happenings inside the human body. The current, most widely used method of diagnosis for brain gliomas involves an oncologist or radiologist reading the MRI image and using his knowledge and experience regarding the same to reach a diagnosis. However, this manual method of diagnosis is very tedious and has been prone to errors in the past. Therefore, it essential to develop an automatic method for the same.Most of the techniques used currently for segmenting brain tumours were initially developed for other diseases, the most common use among them being the separation of white matter lesions. Most of the current methodologies can be broadly categorised into two families- 1.General Probabilistic Methods- Probabilistic methods are a remarkable method to establish the validity of combinatorial entities with distinct characteristics. Although the basis of their existence lies in probability, they are not bounded by it and can be used to solve and evaluate theorems across different branches of Mathematics.2.Discriminative Approaches- They are also sometimes referred to as Conditional Models. We utilise CNN's for faster and accurate processing of the data.
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Narayanaswamy, Venkatesha, Ihab Obaidat, Aleksandr Kamzin, Sachin Latiyan, Shilpee Jain, Hemant Kumar, Chandan Srivastava, Sulaiman Alaabed, and Bashar Issa. "Synthesis of Graphene Oxide-Fe3O4 Based Nanocomposites Using the Mechanochemical Method and in Vitro Magnetic Hyperthermia." International Journal of Molecular Sciences 20, no. 13 (July 9, 2019): 3368. http://dx.doi.org/10.3390/ijms20133368.
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The study presented in this work consists of two parts: The first part is the synthesis of Graphene oxide-Fe3O4 nanocomposites by a mechanochemical method which, is a mechanical process that is likely to yield extremely heterogeneous particles. The second part includes a study on the efficacy of these Graphene oxide-Fe3O4 nanocomposites to kill cancerous cells. Iron powder, ball milled along with graphene oxide in a toluene medium, underwent a controlled oxidation process. Different phases of GO-Fe3O4 nanocomposites were obtained based on the composition used for milling. As synthesized nanocomposites were characterized by x-ray diffraction (XRD), alternating magnetic field (AFM), Raman spectroscopy, and a vibrating sample magnetometer (VSM). Additionally, the magnetic properties required to obtain high SAR values (Specific Absorption Rate-Power absorbed per unit mass of the magnetic nanocomposite in the presence of an applied magnetic field) for the composite were optimized by varying the milling time. Nanocomposites milled for different extents of time have shown differential behavior for magneto thermic heating. The magnetic composites synthesized by the ball milled method were able to retain the functional groups of graphene oxide. The efficacy of the magnetic nanocomposites for killing of cancerous cells is studied in vitro using HeLa cells in the presence of an AC (Alternating Current) magnetic field. The morphology of the HeLa cells subjected to 10 min of AC magnetic field changed considerably, indicating the death of the cells.
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Pilz, Marco, and Fabrice Cotton. "Does the One-Dimensional Assumption Hold for Site Response Analysis? A Study of Seismic Site Responses and Implication for Ground Motion Assessment Using KiK-Net Strong-Motion Data." Earthquake Spectra 35, no. 2 (May 2019): 883–905. http://dx.doi.org/10.1193/050718eqs113m.
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The one-dimensional (1-D) approach is still the dominant method to incorporate site effects in engineering applications. To bridge the 1-D to multidimensional site response analysis, we develop quantitative criteria and a reproducible method to identify KiK-net sites with significant deviations from 1-D behavior. We found that 158 out of 354 show two-dimensional (2-D) and three-dimensional (3-D) effects, extending the resonance toward shorter periods at which 2-D or 3-D site effects exceed those of the classic 1-D configurations and imposing an additional amplification to that caused by the impedance contrast alone. Such 2-D and 3-D effects go along with a large within-station ground motion variability. Remarkably, these effects are found to be more pronounced for small impedance contrasts. While it is hardly possible to identify common features in ground motion behavior for stations with similar topography typologies, it is not over-conservative to apply a safety factor to account for 2-D and 3-D site effects in ground motion modeling.
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Haerani, Yeni, and Edy Nurcahyo. "Legal review of procurement authorization of the imported fresh food, fruit and vegetable." Jurnal Hukum Volkgeist 4, no. 1 (December 16, 2019): 82–92. http://dx.doi.org/10.35326/volkgeist.v4i1.429.
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Fresh food products imported fruits and vegetables in circulation that do not meet the requirements in accordance with statutory regulations can endanger human safety because food security is not guaranteed. The existence of a marketing authorization and supervision of imported fresh fruit and vegetable food products is needed to maintain food security. The research method used is the normative legal research method that is the legal research method of literature with the method used to examine existing library materials related to the object examined by the regulatory approach (statue approach). The results showed that before the imported fresh fruits & vegetables food products were circulated, they had to go through several quarantine measures or inspections. After passing the test, they would get a distribution permit for fresh food products along with the registration number on the imported fruit & vegetable label. If the distribution permit for fresh food products is ignored by business actors, they will be subject to criminal and administrative sanctions. The purpose of supervision is to provide protection to consumers and prevent the circulation of imported fresh fruit and vegetable food products that can endanger consumers' health.
Keywords: Distribution Permit; Fresh Fruit and Vegetable Products; Consumer Protection
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Do Carmo, José Manuel. "Desenvolvimento de um modelo de análise das perspetivas da Ciência, do Indivíduo e da Sociedade no Ensino das Ciências." Revista Electrónica Educare 21, no. 1 (December 6, 2016): 1. http://dx.doi.org/10.15359/ree.21-1.16.
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The basic vision of learning science has changed as scientific culture concepts evolution and the nature of the teaching of science go along. From a model essentially based on information acquisition, science instruction has included the practice of the science method when the importance of emphasizing the development of personal skills, thinking processes, and action was considered. The concern about citizens’ education in matters referring to the relationship between science and society and enlightened social participation demanded a special attention in investigation and in students’ participation in issues related to urban, natural, and technological environment. This research seeks to develop an integrative model of curriculum organizations based on these three axes or perspectives: science, individual, and society. A matrix enabling the analysis of curricular proposals and organization plans of didactic units is built, as well as the observation of teachers’ representations in the teaching of science.
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Johnstone, Jane Hamilton, Derek Bryce, and Matthew J. Alexander. "Using mobile methods to understand multifaceted heritage organisations." International Journal of Contemporary Hospitality Management 32, no. 4 (November 18, 2019): 1675–91. http://dx.doi.org/10.1108/ijchm-04-2019-0400.
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Purpose This paper aims to evaluate the possibilities associated with go-along technique and other mobile qualitative methods augmenting other qualitative methods as a novel approach to developing understanding of multifaceted organisations. Design/methodology/approach The study explores the challenges associated with “static” qualitative methods for understanding multifaceted organisations and evaluates how a range of mobile methods can achieve a greater depth of analysis when researching complex hospitality and tourism settings. The paper uses an illustrative empirical case where mobile methods are used as part of a multi-method qualitative study exploring ancestral tourism in a large, heterogeneous tourism organisation. Findings This research highlights how mobile methods can service to: broaden the scope of interviews through introducing enhanced meaning and spontaneity; afford opportunity to explore and verify interview findings in informal settings; and widen participation in the study through ongoing recruitment of participants. Practical implications The authors identify implications for researchers working within hospitality and tourism who can gain additional insight by augmenting qualitative studies with mobile methods. Originality/value This paper identifies challenges in using more static qualitative methods when seeking understanding of complex, multifaceted tourism organisations where work activities are mobile and spatially dispersed. This research highlights the value of mobile methods in combination with other qualitative methods, to gain greater understanding of these organisations.
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Mutch, David M., Rainer Simmering, Dominique Donnicola, Grigorios Fotopoulos, James A. Holzwarth, Gary Williamson, and Irène Corthésy-Theulaz. "Impact of commensal microbiota on murine gastrointestinal tract gene ontologies." Physiological Genomics 19, no. 1 (September 16, 2004): 22–31. http://dx.doi.org/10.1152/physiolgenomics.00105.2004.
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The gastrointestinal tract (GIT) of eukaryotes is colonized by a vast number of bacteria, where the commensal microbiota play an important role in defining the healthy gut. To investigate the influence of commensal bacteria on multiple regions of the host GIT transcriptome, the gene expression profiles of the corpus, jejunum, descending colon, and rectum of conventional ( n = 3) and germ-free mice ( n = 3) were examined using the Affymetrix Mu74Av2 GeneChip. Differentially regulated genes were identified using the global error assessment model, and a novel method of Gene Ontology (GO) clustering was used to identify significantly modulated biological functions. The microbiota modify the greatest number of genes in the jejunum (267 genes with an α < 0.001) and the fewest in the rectum (137 genes with an α < 0.001). Clustering genes by GO biological process and molecular function annotations revealed that, despite the large number of differentially regulated genes, the residential microbiota most significantly modified genes involved in such biological processes as immune function and water transport all along the length of the mouse GIT. Additionally, region-specific communication between the host and microbiota were identified in the corpus and jejunum, where tissue kallikrein and apoptosis regulator activities were modulated, respectively. These findings identify important interactions between the microbiota and the mouse gut tissue transcriptome and, furthermore, suggest that interactions between the microbial population and host GIT are implicated in the coordination of region-specific functions.
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Muranov, Yuri V., and Anna Szczepkowska. "On Path Homology of Vertex Colored (Di)Graphs." Symmetry 12, no. 6 (June 5, 2020): 965. http://dx.doi.org/10.3390/sym12060965.
Full textAbstract:
In this paper, we construct the colored-path homology theory in the category of vertex colored (di)graphs and describe its basic properties. Our construction is based on the path homology theory of digraphs that was introduced in the papers of Grigoryan, Muranov, and Shing-Tung Yau and stems from the notion of the path complex. Any graph naturally gives rise to a path complex in which for a given set of vertices, paths go along the edges of the graph. We define path complexes of vertex colored (di)graphs using the natural restrictions that are given by coloring. Thus, we obtain a new collection of colored-path homology theories. We introduce the notion of colored homotopy and prove functoriality as well as homotopy invariance of homology groups. For any colored digraph, we construct the spectral sequence of colored-path homology groups which gives the effective method of computations in the general case since any (di)graph can be equipped with various colorings. We provide a lot of examples to illustrate our results as well as methods of computations. We introduce the notion of homotopy and prove functoriality and homotopy invariance of introduced vertexed colored-path homology groups. For any colored digraph, we construct the spectral sequence of path homology groups which gives the effective method of computations in the constructed theory. We provide a lot of examples to illustrate obtained results as well as methods of computations.
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Samuel, Avinash, and Dilip Kumar Sharma. "Modified LexRank for Tweet Summarization." International Journal of Rough Sets and Data Analysis 3, no. 4 (October 2016): 79–90. http://dx.doi.org/10.4018/ijrsda.2016100106.
Full textAbstract:
Summary generation is an important process in those conditions where the user needs to obtain the key features of the document without having to go through the whole document itself. The summarization process is of basically two types: 1) Single document Summarization and, 2) Multiple Document Summarization. But here the microblogging environment is taken into account which have a restriction on the number of characters contained within a post. Therefore, single document summarizers are not applicable to this condition. There are many features along which the summarization of the microblog post can be done for example, post's topic, it's posting time, happening of the event, etc. This paper proposes a method that includes the temporal features of the microblog posts to develop an extractive summary of the event from each and every post, which will further increase the quality of the summary created as it includes all the key features in the summary.