Bibliografías temáticas / Scbs09

Literatura académica sobre el tema "Scbs09"

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Publicado: 25 de julio de 2024
Última modificación: 27 de julio de 2024

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Artículos de revistas sobre el tema "Scbs09"

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De Lucena, Reinaldo Farias Paiva, Derciopéricles Cavalcanti De Farias, Thamires Kelly Nunes Carvalho, Camilla Marques De Lucena, Carlos Frederico Alves De Vasconcelos Neto y Ulysses Paulino De Albuquerque. "Uso e conhecimento da aroeira (Myracrodruon urundeuva) por comunidades tradicionais no Semiárido brasileiro". SITIENTIBUS série Ciências Biológicas 11, n.º 2 (27 de marzo de 2012): 255. http://dx.doi.org/10.13102/scb109.

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In this study, the traditional knowledge and uses of Myracrodruon urundeuva, an endangered species, wereinvestigated in two rural communities, in the municipality of Soledade, State of Paraíba, northeastern Brazil. Semistructuredinterviews were conducted with the heads of households, 16 in Barrocas and 28 in Cachoeira, trying todistinguish the current from the potential uses. To collect demographic information on the M. urundeuva population, allindividuals with circumference at soil level > 3 cm were recorded in the surveys. Plant uses were classified into sevencategories (subdivided into timber and non-timber, especially for construction): forage, fuel, construction, medicine,technology, veterinary and as an abortive. Those interviewed showed that they gather plants either from their ownproperties or from neighboring farms. In the community of Cachoeira there were more records of use by men (89 citations)than by women (65) whereas in Barrocas records showed equal use by men and women. Our results suggest that thewidespread popularity and use of M. urundeuva has threatened the species to the verge of local extinction.
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Santana, José Raniere Ferreira de, Renato Paiva, Lenaldo Muniz de Oliveira, Alone Lima-Brito, Flávia Dionísio Pereira y Cristina Ferreira Nepomuceno. "Influence of explant polarity on morphogenesis responses of Annona squamosa L. cultivated in vitro". SITIENTIBUS série Ciências Biológicas 9, n.º 4 (31 de diciembre de 2009): 263–68. http://dx.doi.org/10.13102/scb8019.

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The influences of explant orientation on in vitro responses of Annona squamosa L. were evaluated. Hypocotyl and epicotyl segments were inoculated into test tubes with WPM medium supplemented with 8.87 µM BAP in the following orientations: horizontally on the medium surface, vertically upright retaining their natural polarity and vertically upright but inverted from their natural polarity (hypocotyl segments only). The test tubes were sealed with normal transparent plastic caps (either covered or not covered with PVC film) or with cotton plugs. After inoculation the tubes with the explants were maintained in a growth room under photosynthetically active radiation levels of 45-56 ìmol.m-2.s-1 and temperatures of 25 ± 3oC. The results showed that explant polarity affected organogenesis, and that the largest numbers of shoots (8.3 per explant) were found on hypocotyl explants placed vertically and retaining their natural polarity. No influences of the different test tube caps on morphogenetic responses of the explants were observed. The incubation of hypocotyl and epicotyl segments in a vertical position constitutes an efficient system for generating A. squamosa plants.
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Silva, Luzenir Campos da y Rodrigo Gurgel-Gonçalves. "Verminoses segundo a percepção de profissionais e usuários de centros de saúde de Planaltina, Distrito Federal, Brasil". SITIENTIBUS série Ciências Biológicas 8, n.º 2 (30 de septiembre de 2008): 179–88. http://dx.doi.org/10.13102/scb8090.

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Entre as infecções parasitárias mais freqüentes em humanos estão as verminoses. Estudar a percepção, atitudes e conhecimentos da população em relação aos vermes é fundamental para o desenvolvimento de programas de prevenção. O objetivo deste estudo foi registrar como os profissionais e usuários de centros de saúde de Planaltina-DF percebem as verminoses ascaridíase, teníase, esquistossomose e enterobíase. Entre julho e agosto de 2007 foram entrevistados 18 profissionais (Pr: auxiliares em enfermagem, enfermeiros, agentes de saúde) e 30 usuários (Us: moradores de Planaltina-DF) usando testes projetivos e entrevistas semi-estruturadas. Para a maioria dos entrevistados vermes são parasitos do homem que causam doenças, não fazendo referência a grupos de animais vermiformes. Entre os usuários, protozoários (Giardia, ameba) foram citados como vermes. Ascaris lumbricoides (Pr: 78%; Us: 70%) e Taenia sp. (Pr: 89%; Us: 53%) foram os vermes mais conhecidos. Nenhum dos usuários soube identificar Enterobius vermicularis. Como esperado, as formas de transmissão e prevenção das verminoses foram mais conhecidas pelos profissionais. Os entrevistados conheciam bem os sintomas e as formas de tratamento das verminoses, entretanto, poucos sabiam detalhes do ciclo biológico dos vermes. Remédios comerciais e caseiros foram citados como formas de tratamento. Esses resultados sugerem que há a necessidade de realização de campanhas de educação sanitária focando verminoses em centros de saúde do DF.
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Hughes, Frederic Mendes, Maiara de Souza Nunes, Aguinaldo Gama Júnior y Maria Gabriela Bello Koblitz. "Fitorremediação de poluentes xenobióticos". SITIENTIBUS série Ciências Biológicas 8, n.º 2 (30 de septiembre de 2008): 247–56. http://dx.doi.org/10.13102/scb8096.

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Xenobióticos são substâncias químicas estranhas a um organismo ou sistema biológico. A presença de xenobióticos no solo afeta negativamente os ecossistemas havendo necessidade de técnicas para limpeza destas áreas. A fitorremediação é uma técnica que utiliza espécies de plantas e seus microrganismos associados para a degradação, contenção ou seqüestro de poluentes em lugares contaminados e tem adquirido popularidade devido ao seu baixo custo, à possibilidade de aplicação in situ e ao pequeno distúrbio causado na área. Os HPAs são os contaminantes orgânicos hidrofóbicos mais ubíquos na Terra. Embora ocorram naturalmente, os processos antropogênicos são considerados como sua maior fonte de origem no ambiente. Várias plantas, especialmente leguminosas, têm sido identificadas pelo seu potencial de facilitar, por diferentes mecanismos, a fitorremediação de sítios contaminados. As plantas normalmente metabolizam poluentes xenobióticos por uma seqüência de três passos: ativação/conversão de componentes xenobióticos lipofílicos, conjugação de xenobióticos metabolizados e compartimentalização do conjugado formado. Algumas espécies já foram identificadas como capazes de se desenvolverem em áreas impactadas e outras já foram aplicadas com sucesso no estudo e recuperação dessas áreas, no entanto, ainda há uma grande carência de informações sobre o assunto, especialmente no que diz respeito às espécies nativas do Brasil.
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Almeida, Argus Vasconcelos de, Patrícia Dantas Cavalcanti Luna, Thaís Honorato Santana y Vilma Ribeiro de Lima. "As plantas medicinais referenciadas pelo cirurgião e naturalista pernambucano Joaquim Jerônimo Serpa (1773-1842): uma ponte entre o passado e a atualidade". SITIENTIBUS série Ciências Biológicas 8, n.º 1 (30 de abril de 2008): 103–12. http://dx.doi.org/10.13102/scb8079.

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Este trabalho tem como foco principal resgatar o conhecimento das plantas medicinais referenciadas pelo cirurgião e naturalista pernambucano Joaquim Jerônimo Serpa (1773-1842) correlacionando as plantas referenciadas por ele com o seu uso terapêutico atual. Para tornar possível esta comparação de dados foram realizadas através de revisão bibliográfica e construção de uma base de dados onde foram identificados possíveis nomes científicos de tais plantas, denominações de Serpa e as suas designações atuais, com respectivas partes e usos. Das 49 espécies de plantas medicinais referenciadas por Serpa, 43 são reconhecidas na atualidade e apenas 6 não possuem aplicações terapêuticas atuais. Concluímos pela alta persistência e reprodução ao longo do tempo do uso terapêutico das plantas medicinais referenciadas por Serpa: mais de 85% são ainda usadas na medicina popular da região ou seus princípios ativos estão sendo pesquisados.
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Navarrete-Heredia, José Luis y Guadalupe Labrador Chávez. "Insectos reconocidos por estudiantes del primer semestre curricular de la carrera de Biología, Universidade de Guadalajara, México". SITIENTIBUS série Ciências Biológicas 8, n.º 2 (30 de septiembre de 2008): 172–78. http://dx.doi.org/10.13102/scb8089.

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En este trabajo se explora el concepto cultural de “insecto” entre estudiantes de biología del Centro Universitario de Ciencias Biológicas y Agropecuarias, Universidad de Guadalajara, México, que no han cursado materias relacionadas con dichos animales: Artrópodos, Entomología General, etc. Se encuestaron 43 estudiantes inscritos en la materia de Taxonomía, asignatura que se cursa en el primer semestre de la carrera. En el presente trabajo, de carácter exploratorio, se reconocieron a varios animales pertenecientes a diferentes grupos no sistemáticamente relacionados entre si (anélidos, arácnidos, crustáceos, diplópodos, quilópodos, anfibios y pequeños mamíferos) que son reconocidos como “insectos”, junto a los propios miembros de la Clase Insecta. Se incluye además, información sobre la percepción de los “insectos” en la música y en el cine. Finalmente, al evaluar la percepción (agradable-desagradable) de algunos insectos, las mariposas, hormigas, libélulas y abejas fueron confirmadas como insectos agradables, mientras que las termitas, moscas, rodacacas, cucarachas, chinches, polillas, pulgas y avispas fueron consideradas como desagradables.
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Xavier, Ariane Lima, Toni Pablo Souto Galindo, Patrícia Alves Ferreira, Perimar Espírito Santo de Moura y Carolina Estevam de Pinho Almeida. "Comparação entre biomassas de quatro ordens de artrópodes cursores em três fitofisionomias da paisagem (Igrapiúna, Bahia, Brasil)". SITIENTIBUS série Ciências Biológicas 8, n.º 3/4 (31 de diciembre de 2008): 302–6. http://dx.doi.org/10.13102/scb8029.

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Áreas compostas por matrizes florestadas e sistemas agroflorestais podem minimizar os efeitos da fragmentação ao conectar remanescentes de vegetação nativa. Neste estudo, avaliou-se a biomassa de quatro grupos de artrópodes cursores que ocorrem na matriz de seringal e nos fragmentos florestais em estádios iniciais e avançados de regeneração, com intuito de verificar a permeabilidade da monocultura (Hevea brasiliensis) e sua possível utilização como área de conexão entre fragmentos florestais isolados. Oito pontos aleatórios foram marcados nas três fitofisionomias e quatro armadilhas foram instaladas em cada ponto. Os artrópodes capturados foram separados por grandes grupos (ordem) e sua biomassa (peso úmido) foi determinada. As ordens escolhidas foram Araneae, Dermaptera, Blattaria e Isopoda. Araneae e Isopoda foram mais abundantes no seringal, enquanto Dermaptera e Blattaria nos fragmentos. Os valores de biomassa apresentaram maior amplitude de variação entre os pontos amostrais dos fragmentos do que os pontos do seringal. Não foi detectada diferença significativa considerando as três fitofisionomias, contudo, ao analisar as interações entre os níveis do fator (três fitofisionomias comparadas dois a dois), foi verificada significância entre fragmentos em estádio avançado de regeneração e plantações de seringal. A menor biomassa apresentada pelo seringal pode indicar a sua ineficiência para a conexão dos remanescentes de mata.
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Lima, Carla Teixeira de y Flávio França. "Lamiaceae e Verbenaceae em Inselbergues do Semi-árido da Bahia, Brasil". SITIENTIBUS série Ciências Biológicas 8, n.º 2 (30 de septiembre de 2008): 220–29. http://dx.doi.org/10.13102/scb8093.

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É apresentado o levantamento das espécies de Lamiaceae e Verbenaceae ocorrentes nos inselbergues do semi-árido baiano. O material estudado foi coletado nas áreas de estudos, sendo também utilizados materiais de herbário coletados em outros locais. Foram registradas 15 espécies, Aegiphila integrifolia, Hyptis fruticosa, H. pectinata e Marsypianthes chamaedrys (Lamiaceae); Lantana camara, L. canescens, L. fucata, L. sp., Lippia elliptica, L. microphylla, L. pohliana, L. thymoides, Priva bahiensis, Stachytarpheta angustifólia e S. bicolor (Verbenaceae).
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Alves, Rômulo Romeu da Nóbrega. "Commercialization of Uranoscodon superciliosus Linnaeus, 1758 (Tropiduridae) for magical-religious purposes in North and Northeastern of Brazil". SITIENTIBUS série Ciências Biológicas 8, n.º 2 (30 de septiembre de 2008): 257–58. http://dx.doi.org/10.13102/scb8097.

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Santos, Cosme Correia dos, Eduardo Leite Borba y Luciano Paganucci de Queiroz. "A família Anacardiaceae no semi-árido do Estado da Bahia, Brasil". SITIENTIBUS série Ciências Biológicas 8, n.º 2 (30 de septiembre de 2008): 189–219. http://dx.doi.org/10.13102/scb8091.

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Este trabalho apresenta o levantamento das espécies de Anacardiaceae ocorrentes na região do semi-árido do Estado da Bahia. Foram encontradas 17 espécies distribuídas em 11 gêneros. Quatro destas não são nativas da região e não são tratadas neste trabalho. As 13 espécies nativas estão distribuídas em 10 gêneros, sendo agrupadas em seis padrões de distribuição. Apenas quatro espécies estão restritas ao semi-árido; as demais ocorrem também em outros ambientes no Estado e duas delas estão predominantemente concentradas fora do semi-árido. Lithraea molleoides é referida pela primeira vez para a Bahia. Apterokarpos gardneri, considerada anteriormente exclusiva do estado, teve sua distribuição ampliada para os Estados de Pernambuco, Piauí e Ceará. Os frutos e folhas maduras de Cyrtocarpa caatingae são descritos e ilustrados pela primeira vez. São apresentados chave de identificação, descrições, ilustrações e mapas de distribuição das espécies na Bahia.
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Tesis sobre el tema "Scbs09"

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Ling, Yu-Ting y 凌郁婷. "Seismic Performances of Actual High-Rise Buildings with Dual-Core SCBs and Sandwiched BRBs in Taiwan：Nonlinear Time History Analyses and Brace Tests". Thesis, 2016. http://ndltd.ncl.edu.tw/handle/76qe46.

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碩士
國立臺灣大學
土木工程學研究所
104
To evaluate the seismic performances and effects that dual-core self-centering braces (DC-SCBs) and sandwiched buckling-restrained braces (SBRBs) would make in high-rise buildings, two actual high-rise buildings in Taiwan were selected and modeled with installing of DC-SCBs and SBRBs. In order to avoid the pretension force of tendons in DC-SCB losing during earthquake excitation, an external friction device (EFD) was designed as a fuse in series with the main brace, slipping before the axial strain of tendon exceeded its yield strain. To estimate seismic parameters of actual high-rise buildings and to validate the dynamic response of analytical model under earthquake excitation, long-term vibration monitoring of a selected Hsinchu high-rise factory building was conducted. A full-scale DC-SCB+EFD and a full-scale SBRB were tested to validate their seismic cyclic performances. Nonlinear time history analyses were conducted on two sets of SMRFs, SMRF+SBRBFs and SMRF+DC-SCBFs to evaluate their seismic demands under both design and maximum considered level of earthquake motions. Analysis results showed that DC-SCB provided well seismic effect in reduction of both maximum and residual drift of frames. SBRB provided well seismic effect in reduction of maximum drift of frames, while might make the residual drift larger.
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Libros sobre el tema "Scbs09"

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author, Thompson Simon G., ed. Mendelian randomization: Methods for using genetic variants in causal estimation. Boca Raton: CRC Press, Taylor & Francis Group, 2015.

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W, Matshes Evan, ed. Human osteology and skeletal radiology: An atlas and guide. Boca Raton: CRC Press, 2004.

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J, Horton Nicholas, ed. SAS and R: Data management, statistical analysis, and graphics. Boca Raton: CRC Press, Taylor & Franciss Group, 2014.

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1934-, Burton George G., ed. Clinical manifestations and assessment of respiratory disease. 5a ed. St. Louis, Mo: Elsevier Mosby, 2006.

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Biotechnology Fundamentals. CRC Press LLC, 2011.

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Biotechnology fundamentals. Boca Raton: CRC Press, 2012.

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Biotechnology Fundamentals. Taylor & Francis Group, 2023.

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Mendelian Randomization: Methods for Causal Inference Using Genetic Variants. Taylor & Francis Group, 2021.

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Mendelian Randomization: Methods for Using Genetic Variants in Causal Estimation. Taylor & Francis Group, 2015.

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Death, Decomposition, and Detector Dogs: From Science to Scene. Taylor & Francis Group, 2012.

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Capítulos de libros sobre el tema "Scbs09"

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Marti, José Maria Viedma y Maria do Rosário Cabrita. "Social Capital Benchmarking System (SCBS)". En Entrepreneurial Excellence in the Knowledge Economy, 258–81. London: Palgrave Macmillan UK, 2012. http://dx.doi.org/10.1057/9781137024077_8.

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Kulkarni, Anand Jayant, Ganesh Krishnasamy y Ajith Abraham. "Solution to the Selection of Cross-Border Shippers (SCBS) Problem". En Cohort Intelligence: A Socio-inspired Optimization Method, 117–29. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-44254-9_9.

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Kunowska, Natalia. "Studying DNA Methylation in Single-Cell Format with scBS-seq". En Methods in Molecular Biology, 235–50. New York, NY: Springer New York, 2019. http://dx.doi.org/10.1007/978-1-4939-9240-9_15.

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Momot, Tetiana, Russell Triplett, Angelo Cristian Azueta y Olena Filonych. "Smart City in the Global Economy". En Considerations of Territorial Planning, Space, and Economic Activity in the Global Economy, 257–78. IGI Global, 2023. http://dx.doi.org/10.4018/978-1-6684-5976-8.ch015.

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The research is devoted to developing a smart city information and organization support model based on the most prominent international smart city ranking practices of systematization. The concepts are summarized. The smart cities in the global economy in the context of leading international rankings were analyzed. Special attention is given to the variations in measurement methodologies to capture the impact of smart cities, including the Smart City Index and the Strategy Index. The top 10 smartest cities in the global economy were analyzed in terms of international rankings. The emphasis is given to American cities. The proposed smart city information and organization support model is based on the concept of the Smart City Balanced Scorecard (SCBS), which allows systematically identifying and organizing priority areas for the development of a smart city and specify strategic directions in each priority area. An approach to calculating the ranking of the integrated indicator of sustainable development of a smart city (R-SCBS) according to the Balanced Scorecard is developed.
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Bezbaruah, M. P. y Basanta Kalita. "Measuring Service Quality of Commercial Banks in an Underdeveloped Economy". En Handbook of Research on Strategic Business Infrastructure Development and Contemporary Issues in Finance, 256–67. IGI Global, 2014. http://dx.doi.org/10.4018/978-1-4666-5154-8.ch018.

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In the post-reform era, quality delivery of the services has acquired centre point of the service industry around the globe. The banking sector being purely a service-related industry has been influenced more by the issue of providing quality service. With the entry of private banks, the banking sector has gone through many transformations including the way services are extended. In a backward state like Assam, this has arrived a little late, but the changes are gradually visible. The chapter captures the service quality standard of the Scheduled Commercial Banks (SCBs) and also for the different bank groups in order to make a comparison. The SERVPERF scale is used to study the replies of the customers in two cities, Guwahati and Tezpur, and some econometric tools are used to analyse the data. The study reveals that the private sector banks are far ahead of the public sector banks in terms of quality of service. The private banks influence the service quality of the SCBs the most among all the bank groups. Overall, the public sector banks, which are the dominant market players, will have to work hard to catch the level of the private banks.
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Bezbaruah, M. P. y Basanta Kalita. "Measuring Service Quality of Commercial Banks in an Underdeveloped Economy". En Web-Based Services, 1316–27. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-4666-9466-8.ch058.

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In the post-reform era, quality delivery of the services has acquired centre point of the service industry around the globe. The banking sector being purely a service-related industry has been influenced more by the issue of providing quality service. With the entry of private banks, the banking sector has gone through many transformations including the way services are extended. In a backward state like Assam, this has arrived a little late, but the changes are gradually visible. The chapter captures the service quality standard of the Scheduled Commercial Banks (SCBs) and also for the different bank groups in order to make a comparison. The SERVPERF scale is used to study the replies of the customers in two cities, Guwahati and Tezpur, and some econometric tools are used to analyse the data. The study reveals that the private sector banks are far ahead of the public sector banks in terms of quality of service. The private banks influence the service quality of the SCBs the most among all the bank groups. Overall, the public sector banks, which are the dominant market players, will have to work hard to catch the level of the private banks.
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Prasad, A. "Polyethylene, Low-density". En Polymer Data Handbook, 662–72. Oxford University PressNew York, NY, 2009. http://dx.doi.org/10.1093/oso/9780195181012.003.0113.

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Abstract Introduction LDPE is produced under high pressure (82–276 MPa) and high temperature (405–605 K) with a free radical initiator (such as peroxides and oxygen) and contains some long chain branches (LCB), which could be as long as chain backbones, and short chain branches (SCB).(3) It is produced by either a tubular or a stirred autoclave reactor.(4) The autoclave process can produce LDPE resins having a wide range of molecular weight distribution (MWD) and less LCB in comparison with a tubular reactor. Long chain branching has a strong influence on MWD, and hence on resin properties, such as processibility, melt strength, and film optical properties. SCBs disrupt chain packing and are principally responsible for lowering the melting temperature and the crystal density for hydrocarbon polymers. LDPE is commercially available in a wide variety of molecular weight, MWD, SCB, and LCB contents, and density ranges.
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"Empirical Analysis and Interpretation of the SCBs of the Actors Involved in a Class Conference Session in Class 4 of Monsieur Paul (MP)". En Quality Teacher Education in Cameroon, 225–43. Budrich Academic Press, 2022. http://dx.doi.org/10.2307/j.ctv2w61b2k.12.

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"Understanding the Concepts of Sociocultural Backgrounds (SCBs) and Quality Teacher Education (QTE) from a Theoretical Perspective of Bildung as a Transformative Process, according to and beyond Bourdieu’s Theory of Habitus and Capital Forms". En Quality Teacher Education in Cameroon, 30–84. Budrich Academic Press, 2022. http://dx.doi.org/10.2307/j.ctv2w61b2k.6.

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Actas de conferencias sobre el tema "Scbs09"

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Strohm, Gianna, Steven Son y Craig Boucher. "Performance Characterization of Nanoscale Energetic Materials on Semiconductor Bridges (SCBs)". En 48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2010. http://dx.doi.org/10.2514/6.2010-528.

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Qu, Weijuan, Oi Choo Chee, Yingjie Yu, Hooi Leng Ng-Lee, Ailing Tian y Anand Asundi. "Characterization and inspection of micro-lens array by SCBS microscope". En SPIE Photonics Europe, editado por Christophe Gorecki, Anand K. Asundi y Wolfgang Osten. SPIE, 2010. http://dx.doi.org/10.1117/12.854121.

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Wang, Dayong, Yishen Deng, Weisheng Li, Xin Lu, Frederic Dufaux, Bo Hang y Ce Zhu. "Fast Intra Mode Prediction Algorithms for SCBS in VVC SCC". En ICASSP 2024 - 2024 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, 2024. http://dx.doi.org/10.1109/icassp48485.2024.10445831.

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Teh, Hee Min y Vengatesan Venugopal. "Optimization of Hydraulic Efficiency of a Free Surface Semicircular Breakwater Using Wave Screens". En ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/omae2015-42380.

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A free surface semicircular breakwater (SCB) with rectangular perforations has been developed to serve as a wave defence structure. Hydrodynamic performance of the breakwaters of various perforations has been thoroughly investigated through wave measurements in a wave flume under random waves. The SCBs were experimentally confirmed to be good anti-reflection wave structures; however, the level of wave transmission at the leeside of the SCBs was rather high particularly when immersed in limited depth and confronted by waves of longer period. This study aims at optimizing the hydraulic characteristics of the SCB by extending its draft by means of wave screens. Three test configurations have been identified in this study, namely (1) the SCB with front screen, (2) the SCB with rear screen, and (3) the SCB with double screens. For each wave screen, three porosities (i.e. 25, 40 and 50%) have been considered in the experiments. The models of shallow immersion depths have been tested in random waves of different characteristics in a wave flume. Wave transformation at different locations upstream and downstream of the test models has been recorded by wave probes. The hydraulic performance of the breakwater are quantified by the coefficients of wave transmission, reflection and energy dissipation, and the wave climate in the vicinity of the breakwater are presented in the form of a ratio relative to the incident wave height. The optimum design of SCB supplemented by truncated wave screen(s) is proposed at the end of the study.
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Lei, Xianliang, Huixiong Li, Shuiqing Yu, Yifan Zhang y Tingkuan Chen. "Study on the Minimum Drag Coefficient Phenomenon of Supercritical Pressure Water in the Pseudocritical Region". En 2012 20th International Conference on Nuclear Engineering and the ASME 2012 Power Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/icone20-power2012-54377.

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With the development of supercritical (and even ultra-supercritical) pressure boilers (SCBs) with high capacities, and at the same time, with the consideration of supercritical pressure water-cooled reactors (SCWRs) as one of the six most promising reactor concepts accepted in the Generation IV International Forum (GIF), flow and heat transfer of supercritical water becomes more and more important for both the design and operation safety of the related facilities. Thermo-hydraulic characteristics are among the issues, which are of special significance for the SCBs and SCWRs. It has been found that at supercritical pressures, the hydraulic resistance of water exhibits special characteristics in regions near its pseudo-critical point, which is hereafter called the minimum drag coefficient phenomenon. Experimental investigation was carried out in the present study to investigate further the characteristics of drag coefficient of supercritical pressure water under different conditions. The total pressure drop characteristic of water flowing in smooth tube and internally ribbed tube under the supercritical pressures was measured in experiments with a wide range of operational parameters, such as the system pressures ranging from 23 to 28 MPa, the average heat fluxes varied from 100 kW/m2 to 500kW/m2, and the mass fluxes of water in a range of 600 ∼ 1050 kg/m2s. The experimental data were compared with prediction results calculated by existing common correlations for single phase pressure drops, and large discrepancies were observed between the experimental data and the prediction results. Furthermore, the pressure drops characteristics of supercritical pressure water in cases with different tube arrangement and test conditions were compared with each other, such as that in horizontal tubes and vertical tubes, and that in isothermal flows and in non-isothermal flows. Additionally, this phenomenon observed in the present studies was also analyzed by using computational fluid dynamics technology, and the mechanism of pressure drop variation was reasonably explained. It was found that the deviation appeared between the previously proposed drag coefficient correlations and the present experimental data was mainly owning to ignoring the variation of an existence of the minimum drag coefficient in the pseudo critical region in previous studies, and based on the data obtained in this study, a new correlation for drag coefficient for supercritical pressure water was presented.
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Azimi, Zahra, Saeed Behzadi y Amir Bagheri. "A Coordinated Volt-VAr Control for Optimal Operation of Renewables-Rich Smart Distribution Systems through Hourly Reconfiguration, SCBs, and OLTC". En 2024 28th International Electrical Power Distribution Conference (EPDC). IEEE, 2024. http://dx.doi.org/10.1109/epdc62178.2024.10571737.

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7

Egbe, Shama Ratnam. "The Magic Bullet for Safety Citizenship: The Combined Impact of Leadership and Safety Culture". En Gas & Oil Technology Showcase and Conference. SPE, 2023. http://dx.doi.org/10.2118/214049-ms.

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Abstract High-risk organizations are continuously striving to minimize risks and establish a safe working environment. While technology and high standards are crucial, a core aspect of an effective safety management system lies in safe human behavior. The primary aim of this study was to provide an understanding of some of the human and organizational factors that influence safety behavior of employees in the oil and gas industry. Transformational and transactional styles of leadership were explored along with assessing safety culture with a view to understand their influence on safety behaviors. The commonly investigated form of safety behavior is Safety Compliance, which is seen as the answer to achieving positive safety results. However, in order to go above and beyond, in other words, taking ownership and accountability of safety, another form of behavior is crucial, called the Safety Citizenship Behavior (SCB), which has gained a lot of attention in the past years. In addition to leadership styles, various leader attributes (e.g. leader fairness, trust) were examined in terms of their influence in safety context. Data was gathered from about 200 employees in the oil and gas sector using the highly recognized measures like the Multifactor Leadership Questionnaire. Mediation and moderation effects were tested based on Baron and Kenny's guidelines. The results highlighted interesting findings as they threw light on the pivotal role played by trust in influencing safety behaviors, particularly SCBs. Similar effect was seen with regards to fairness and personal identification with the leader; due to its strong correlation with trust. In addition, safety culture, which has been emphasized in the safety/risk literature over 40 years also showed up as a stronger predictor of safety compliance, whereby subordinates’ safety compliance was reinforced with a strong safety culture. The augmentation effect of transformational leadership, which is known to build on transactional leadership were also investigated, however, the results did not offer as much support as in the literature. This brings into question the considerable emphasis placed on transformational leadership, particularly where prioritization of safety is key. The results will aid organizations analyze their safety leadership training programs. Further, it also helps leaders understand key attributes they need to embed in interactions with their immediate and wider teams to bring about positive impact on safety. Lastly, the study also highlights the concept of SCB, which is a significant aspect in building an accountable and mindful safety culture.
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