Browsing by Title
Now showing items 23324-23343 of 92606
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(IEEE, 2017)Internet access has become a requirement to participate in society; however, the majority of the world's population is not yet online. Citizens can self-organize cooperatively to crowdsource community network infrastructures ...
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(Universidad de Chile, 2015)Este trabajo presenta un prototipo de un receptor de separación de banda lateral (2SB) para el Telescopio Austral de Ondas Milimétricas (SMWT) de 1.2 m de diámetro en el marco de su modernización. Ésta consiste en cambiar ...
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(Universidad de Chile, 2019)En las últimas décadas ha habido un crecimiento exponencial en el uso de sistemas de comunicación inalámbrica, tanto en el mercado del consumidor como en el empresarial. Esto ha tenido como efecto secundario el que muchos ...
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(Universidad de Chile, 2021)One source of astronomical interest to study are Fast Radio Bursts (FRBs), high-power emissions produced in astrophysical processes of an unknown nature. Their power densities in the frequency domain look like Gaussians ...
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Design, simulation and comparison of two ultra-wideband dual-pol compact heterodyne front end pixels (Universidad de Chile, 2021)Los arreglos de plano focal heterodinos han adquirido importancia para observaciones astronómicas dada su alta sensibilidad, resolución espectral y gran campo de visión. No obstante, los módulos que componen estos arreglos ...
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(Elsevier Masson SAS, 2013)A new coumarin-based 'turn-off' fluorescent probe, 7-(diethylamino)-N-(1,3- dihydroxy-2-(hydroxymethyl) propan-2-yl)-2-oxo-2H-chromene-3-carboxamide (AGD) was synthesized. This compound is highly selective for ferrous ions ...
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(2013)A new coumarin-based ‘turn-off’ fluorescent probe, 7-(diethylamino)-N-(1,3-dihydroxy-2-(hydroxymethyl) propan-2-yl)-2-oxo-2H-chromene-3-carboxamide (AGD) was synthesized. This compound is highly selective for ferrous ...
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(2013)A series of novel 2-pyridylbenzimidazole derivatives was rationally designed and synthesized based on our previous studies on benzimidazole 14, a CB1 agonist used as a template for optimization. In the present series, 21 ...
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(2013)A series of novel 2-pyridylbenzimidazole derivatives was rationally designed and synthesized based on our previous studies on benzimidazole 14, a CB1 agonist used as a template for optimization. In the present series, 21 ...
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(Wiley-VCH Verlag, 2015)© 2015 Wiley-VCH Verlag GmbH & Co. KGaA. A series of N-acyl-2,5-dimethoxyphenyl-1H-benzimidazoles were designed based on a CoMFA model for cannabinoid receptor type 1 (CB1) ligands. Compounds were synthesized and radioligand ...
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(Elsevier, 2017)The global shift towards diets high in sugar-sweetened beverages (SSBs) and energy dense ultra-processed foods is linked to higher prevalence of obesity, diabetes and most other noncommunicable diseases (NCDs), causing ...
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(ELSEVIER, 2006-01)Applying software engineering concepts can improve the quality of any software development, and this is even more dramatic for complex, large and sophisticated software, such as meshing tools. Software product families are ...
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(Universidad de Chile, 2021)El crecimiento esperado en el número de vehículos conectados y los datos generados por las aplicaciones y los sistemas de información requerirán tecnologías alternativas para expandir el espectro de comunicaciones. El ...
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(Royal Soc. Chemistry, 2021)Fluoride anions (F-) may have beneficial or harmful effects on the environment depending on their concentration. Here, we shed light on F- recognition by compounds containing boron, tellurium and antimony, which were ...
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(Springer-Verlag, 2009)In this paper is proposed a methodology for the analysis and design of fall sequences that minimize robot damage. This methodology minimizes joint/articulation injuries, as well as damage of valuable body parts (cameras and ...
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(Taylor & Francis, 2020)The central problem addressed by this paper is the fuel poverty experienced in Chile as a result of poor thermal performance of dwellings, a problem commonly encountered throughout the country, even in new housing. The ...
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(Universidad de Chile, 2017)Resiliencia en sistemas de potencia se está estudiando recientemente en la literatura, su principal preocupación es proporcionar la viabilidad de la red en caso de eventos de alto impacto y baja probabilidad (HILP). Las ...
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(Elsevier Ltd, 2019)Micro-textures applied on rubbing surfaces have gained tremendous attention in the tribological community. Numerous studies deal with the deduction and testing of beneficial micro-textures. Nevertheless, not all questions ...
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(SPRINGER-VERLAG BERLIN, 2002)In the development of groupware systems a well designed communications infrastructure is required, due to the high complexity of the communication scenario. Also, the design and implementation of coordination and ...
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(Elsevier, 2018)Almost twenty years ago, the first paper about the SART process was published, and eleven years ago the first SART plant was commissioned and operated at Telfer mine, in Australia. Up to this moment, seven SART processes have ...
