Browsing by Title
Now showing items 72821-72840 of 91665
-
(Universidad de Chile, 2006)Gran parte de la producción e ingreso económico para Chile está sustentado en las PYMES (pequeñas y medianas empresas), representando un motor fundamental para el PIB y la generación de empleos. Pero, a pesar de la variada ...
-
(Universidad de Chile, 2004)El informe que se presenta a continuación tiene como título “PYMEs y el Mercado de las Tecnologías de Información y Comunicaciones. Una visión del desarrollo futuro de éste”, el objetivo que nos hemos planteado en nuestro ...
-
(Sociedad Medica de Santiago, 2015)
-
(Sociedad Medica de Santiago, 2015)
-
(Universidad de Chile, 2017)El presente estudio aborda una investigación sobre los riesgos de quemaduras en el hogar, más específicamente en la cocina. Dentro de los factores que provocan las quemaduras se encuentran los sólidos o superficies ...
-
(Elsevier, 2020)The PyProcar Python package plots the band structure and the Fermi surface as a function of site and/or s,p,d,f - projected wavefunctions obtained for each k-point in the Brillouin zone and band in an electronic structure ...
-
(PERGAMON-ELSEVIER SCIENCE, 2005-10-03)Three naturally occurring pyranosyl-like polyhalogenated metabolites 1-3 as well as their likely biogenetic precursor, the linear compound 4, have been isolated from the red alga Ptilonia magellanica. They are the first ...
-
(Elsevier, 2013)Porphyry copper deposits are currently the world’s largest source of copper and molybdenum, and are also among the largest reservoirs of gold in the upper crust. Despite the fact that pyrite is a ubiquitous mineral phase ...
-
(2011)The bleaching of the pyrogallol red (PGR) dye mediated by superoxide anion radicals (O2-) generated from the xanthine/xanthine oxidase system (X/XO) was studied by UV-visible spectrophotometry. The absorption band (at 540 ...
-
(Elsevier, 2017)Better constrained pressure-temperature (P-T) histories of metamorphic complexes along the Andean continental margin are important for understanding the late Paleozoic and Mesozoic tectonic evolution of the southwestern margin ...
-
(Universidad de Chile, 2020)Sabemos que la minería en Chile es una de las más desarrolladas y estructura de la región. Chile es el mayor productor y exportador de cobre en el mundo (representa el 10% del PIB en los últimos 20 años). Actualmente la ...
-
(IOP Publishing, 2015)We present polarization observations of two Galactic plane fields centered on Galactic coordinates (l, b) = (0 degrees, 0 degrees) and (329 degrees, 0 degrees) at both Q (43 GHz) and W bands (95 GHz), covering between 301 ...
-
(Sociedad Medica de Santiago, 2010)This article is a revision of the genesis and use of the health synthetic indicators QALYs and DALYs. The chronology of their appearance is shown and similarities and differences between them stated. DALYs (Disability-Adjusted ...
-
(1995)A 62 years old male with a slowly progressive focal myopathy is presented. He had noticed weakness in the lower limbs for three years and weakness in the upper limbs for one year. He had bilateral atrophy of quadriceps and ...
-
(Asian Pacific Society of Respirology, 2014)Background and objective: Quadriceps muscle dysfunction is an important contributor to exercise limitation in chronic obstructive pulmonary disease, but little is known about skeletal muscle function and its impact on ...
-
(1979)Quadrupole moments, dipole quadrupole polarizability A, and quadrupole polarizability C values have been obtained for a set of organic molecules, in both the ground and first singlet excited states, by means of ...
-
(Universidad de Chile, 1974)
-
(Wiley, 2017)A central problem facing worldwide culture of yellowtail kingfish (Seriola lalandi) is the presence of skeletal malformations, including jaw deformities. This study presents a morphological characterization of normal and ...
-
(Elsevier, 2016)We prove sharp Holder continuity and an estimate of rupture sets for sequences of solutions of the following nonlinear problem with negative exponent Delta u =1/u(p) in Omega, p > 1. As a consequence, we prove the ...
