Browsing by Title
Now showing items 3807-3826 of 92838
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(MDPI, 2021)Haloarchaea are extreme halophilic microorganisms belonging to the domain Archaea, phylum Euryarchaeota, and are producers of interesting antioxidant carotenoid compounds. In this study, four new strains of Haloarcula sp., ...
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(EDP SCIENCES S A, 2012-02)Context. Planetary nebulae (PNe) around Wolf-Rayet [WR] central stars ([WR] PNe) constitute a particular photoionized nebula class that represents about 10% of the PNe with classified central stars. Aims. We analyse ...
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(EDP Sciences, 2013)Aims. We present the abundance analysis of 12 planetary nebulae ionized by [WC]-type stars and weak-emission-line stars (wels) obtained from high-resolution spectrophotometric data. Our main aims are to determine the ...
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(EDP Sciences, 2015)Context. In a previous paper we reported a planetary companion to the young and very active K5Ve star BD+20 1790. We found that this star has a high level of stellar activity (log R HK = −3.7) that manifests in a plethora ...
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(Universidad de Chile, 2018)La actividad volcanica representa una gran amenaza para la propiedad privada, comunidades y habitantes ubicados en las cercanias de centros volcanicos. La volcanologia y mecanica de fluidos se utilizan en conjunto con el ...
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(Institute of Physics Publishing, 2018)The Plasma Focus (PF) is a kind of dense transient plasmas in with high-pulsed voltage. To produce devices for eld application it is necessary to obtain PF equipment able to operate for a long period of time. Thus, a ...
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(Universidad de Chile, 2015)The main purpose of the present study is to discover ESL teachers’ beliefs and what they describe as their own teaching practices. Besides, the purpose is to find out if their beliefs when giving a lesson are strong enough ...
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(Elsevier, 2017)Healthcare institutions make use of technology-intensive equipment that follows tight quality standards. These companies aim at ensuring service continuity and safety of patients. In this context, maintenance services are ...
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(International Solar Energy Society, 2020)
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(Universidad de Chile, 2020)The present work is the result of a detailed analysis of the occurrence of failure/degradation modes found in 95 solar photovoltaic modules operating in the Atacama Desert. The data was collected using an IDCTool (Inspection ...
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“Analysis of FDI in the service sector in Chile : there a political rhetoric on its implementation? (Universidad de Chile, 2022)Does political discourse have an impact on productive development programs? To answer this question, the following paper analyzes Chile’s policies for attracting Foreign Direct Investment (FDI), specifically in the ...
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(Public Library Science, 2013-01-23)The inner ear develops from a patch of thickened cranial ectoderm adjacent to the hindbrain called the otic placode. Studies in a number of vertebrate species suggest that the initial steps in induction of the otic placode ...
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(Universidad de Chile, 2014)The present research focuses on the implicit compliments among the native speakers of American English. The pioneering research by Manes and Wolfson (1981) revealed that verbal compliments in ...
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(1983)Mixed human rotavirus electropherotypes were detected in stool samples from patients with acute gastroenteritis in Santiago, Chile. These electropherotypes accounted for 10% of 149 samples studied. The finding of extra RNA ...
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(Elsevier, 2020)The supply of natural gas is generally based on contracts that are signed prior to the use of this fuel for power generation. Scarcity of natural gas in systems where a share of electricity demand is supplied with gas ...
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(2010)Objectives. To measure the range of internal and external rotation of the glenohumeral joint in elite swimmers compared with healthy controls. Secondarily, compare these ranges in swimmers with and without shoulder pain. ...
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(WILEY-V C H VERLAG GMBH, 2006-01)This study presents a very fast GC analysis applied for the baseline separation of isomeric tropane alkaloids extracted from the stem-bark of Schizanthus grahamii (Solanaceae). The work provided a challenging application ...
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(Springer, 2016)Few studies have addressed vocabulary quality in developing writing skill in Spanish. Even less addressed it within the Chilean educational system. The specific objective of this study was to characterize, using a comprehensive ...
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(Elsevier Inc., 2017)The aim of this study was to determine the mRNA LHR and LHR protein expression pattern in the canine ovarian follicles at different stage of development throughout the estrous cycle. Dog ovaries were obtained from 1-6y ...
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(Universidad de Chile, 2015)Las técnicas de generación y refinamiento de mallas no estructuradas son usadas para la descomposición de objetos geométricos. Estas técnicas son muy utilizadas en áreas como modelamiento geométrico, computación gráfica, ...