Browsing by Title
Now showing items 23284-23303 of 92606
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(Universidad de Chile, 2014)Los Trastornos Respiratorios del Sueño (TRS) son un grupo de enfermedades que afectan la funci ón respiratoria durante la noche, desde el ronquido primario a la apnea del sueño -la más grave de ellas-. Los niños que ...
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(Institute of Electrical and Electronics Engineers Inc., 2020)
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(Universidad de Chile, 2015)El proyecto astronómico ALMA, Atacama Large Millimeter/submillimeter Array, es el radiobservatorio interferométrico más grande del mundo. Se compone de 66 antenas con diámetros de 7 y 12~m, ubicadas en el norte de Chile a ...
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(IOP, 2020)The Asteroid Terrestrial impact Last Alert System (ATLAS) system consists of two 0.5 m Schmidt telescopes with cameras covering 29 square degrees at plate scale of 1.86 arcsec per pixel. Working in tandem, the telescopes ...
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(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2011-01)We present the design, modeling, construction, and characterization of a sideband separating heterodyne receiver that covers the frequency range from 600 to 720 GHz. The receiver has been constructed using waveguide ...
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(Universidad de Chile, 2014)Aim: Technology and the internet are new platforms to deliver information, to interconnect people and to offer interactive media. The potential of technology has been explored, in promising ways, for the treatment and ...
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(Springer, 2015)Introduction Car-to-X Communications are envisioned to improve road safety, traffic efficiency, and information services through short-range and real-time systems. The enabling applications have varied requirements such ...
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(JOHN WILEY, 2006-05)A series of polypyridine ruthenium complexes of the general formula [Ru(Rph-tpy)[dppz(COOH)]Cl) PF6 with R = Br (1), Cl (2), NO2 (3) where Rph-tpy is 4'-(4-Rphenyl-2,2':6',2"-terpyridine and dppz(COOH) is dipyrido[3,2-a: ...
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(2006)A series of polypyridine ruthenium complexes of the general formula {Ru(Rph-tpy)[dppz(COOH)]Cl} PF6 with R = Br (1), Cl (2), NO 2 (3) where Rph-tpy is 4′-(4-Rphenyl-2,2′:6′, 2″-terpyridine and dppz(COOH) is dipyrido[3,2-a:2′,3′-c] ...
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(MDPI, 2022)Recent progress in the field of photosensitive materials has prompted a need to develop efficient methods to synthesize materials with basic intermolecular architectural designs and novel properties. Accordingly, in this ...
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(2012)The novel coumarin-based 'turn-on' fluorescent probe (E)-3-(2,5- dimethoxybenzylideneamino)-7-hydroxy-2H-chromen-2-one (MGM) was designed, synthesized, and characterized. This compound shows high selectivity for Cu +2, ...
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(Universidad de Chile, 2018)En la actualidad se han comenzado las discusiones para el desarrollo de los observatorios astronómicos post E-ELT, telescopio de 39 m en construcción en el norte de Chile. Como parte de estas discusiones, la comunidad ...
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(Grupo Aula Medica S.A., 2015)© 2015, Grupo Aula Medica S.A. All rights reserved. Introduction: Food-Based Dietary Guidelines (FBDG) are usually accompanied by an image for dissemination and implementation. Objective: to design and validate an image ...
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(Routledge Journals, 2018)With the objective of theoretically and psychometrically updating the Regional Identity Scale (RIS) proposed by Zúñiga and Asún in 2004 and expanding the population for which it shows evidence of validity, a revision and ...
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(Universidad de Chile, 2021)Design Flex consiste en una plataforma tecnológica digital que ofrece diferentes servicios de publicidad y marketing, suministrados por profesionales en este campo (freelancers). El modelo de negocio basado en el concepto ...
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(Elsevier B.V., 2018)© 2018 The high levels of sulfate and the metals in acid mine drainages generate important environmental problems. This paper describes the synergistic combination of a biosorption process and a new sulfate removal process. ...
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(Association for Computing Machinery, 2020)
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(Institute of Electrical and Electronics Engineers Inc., 2020)
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(Universidad de Chile, 2019)La disponibilidad de energía es una de las limitaciones que presentan las Redes de Sensores Inalámbricas (WSN, Wireless Sensor Network). Tradicionalmente, las baterías han sido utilizadas para proveer energía a los nodos ...
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(1995)The objectives of this work were to establish the utility of chitosan of Chilean production, as an excipient suitable for producing a prolonged-release hydrophilic matrix, and to compare two matrix systems, one with chitosan ...
