Browsing by Title Facultad de Ciencias Físicas y Matemáticas
Now showing items 18811-18830 of 20342
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(Springer, 2013)This paper analyzes the influence of circulation anomalies on the magnitude of minimum air temperature (Tmin) at a daily scale in two important agricultural valleys of Chile (Maipo and Casablanca) during the period ...
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(EDP Sciences, 2013)Most of the objects in the trans-Neptunian belt (TNb) and related populations move in prograde orbits with low eccentricity and inclination. However, the list of icy minor bodies moving in orbits with an inclination above ...
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(ELSEVIER, 2006-06-06)This paper presents the results of a study concerned with the surface hardening of nonferrous and ferrous alloys, by integrating the electrospark deposition and plasma nitriding processes. Specimens of an aluminium bronze ...
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(Taiwan Association for Aerosol Research, 2017)The local meteorological factors of the cold season nocturnal particulate matter (PM) air quality problem in the western urban area of Santiago City are documented and analyzed by means of three years of multi-level ...
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(Elsevier, 2014)The effect of the high frequency (synoptic) variability of wind and heat fluxes upon the surface ocean off south-central Chile (west coast of South America) is investigated using a regional ocean model. We focus our ...
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(Copernicus Gesellschaft, 2017-05-31)The knowledge of surface ozone mole fractions and their global distribution is of utmost importance due to the impact of ozone on human health and ecosystems and the central role of ozone in controlling the oxidation ...
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(Elsevier, 2018)Diamond-like carbon (DLC) films and nanocrystalline silver particles containing diamond-like carbon (DLC:Ag) films were electrodeposited on n-type silicon substrate (n-Si) to prepare n-Si/DLC and n-Si/DLC:Ag heterostructures ...
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(Wiley-VCH Verlag, 2019)Surface texturing has gained great attention in the tribological community since precisely defined surface features can help to reduce friction and/or wear irrespective of the acting lubrication regime. The ability to ...
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(Elsevier, 2017-07-01)We describe extended occurrences of unusual silicate glass surface layers from the Atacama Desert (Chile). These glasses, found near the town of Pica at four localities separated by up to 70 km, are neither fulgurites, nor ...
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(AMER INST PHYSICS, 2016)We study the propagation of monochromatic surface waves on a turbulent flow of liquid metal, when the waves are much less energetic than the background flow. Electromagnetic forcing drives quasitwo- dimensional turbulence ...
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(Elsevier., 2017)The near-shore surface mesoscale atmospheric circulation in the upwelling systems off Peru and Chile is influen-tial on the Sea Surface Temperature through Ekman transport and pumping. There has been a debate whether ornot ...
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(AMER PHYSICAL SOC, 2008-07)We investigate the asymptotic separation of the optical model potential for nucleon-nucleus scattering in momentum space, where the potential is split into a medium-independent term and another depending exclusively on the ...
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(Elsevier B.V., 2019)In this work, the influence of the C 12 -, C 14 -, and C 16 -alkyl chain derivatives of 1-alkyl-3-methyl-imidazole tetrafluoroborate over the hydrolisis of p-nitrophenyl trimethylacetate catalyzed by α-chymotrypsin was ...
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(Oxford University, 2017)We aim to understand how stellar parameters such as mass and rotation impact the distribution of star-spots on the stellar surface. To this purpose, we have used Doppler imaging to reconstruct the surface brightness ...
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(ASSOC COMPUTING MACHINERY, 2008-02)Graph database models can be defined as those in which data structures for the schema and instances are modeled as graphs or generalizations of them, and data manipulation is expressed by graph-oriented operations and type ...
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(EDP Sciences, 2010-11)Aims. A large-scale survey of the Galactic center region in the 3 mm rotational transitions of SiO, HCO+ and (HCO+)-C-13 (beamsize similar to 3'.6) was conducted to provide an estimate of cloud conditions, heating mechanisms, ...
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(IOP Pub., 2015)Galaxy proto-clusters at z greater than or similar to 2 provide a direct probe of the rapid mass assembly and galaxy growth of present-day massive clusters. Because of the need for precise galaxy redshifts for density ...
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(Elsevier B.V., 2019)Chagas disease is caused by Trypanosoma cruzi. Vector survival is an important variable affecting vectorial capacity to determine parasite transmission risk. The aims of this study are to evaluate vector survival under ...
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(Universidad de Chile, 2013)El 27 de Febrero de 2010, a las 3:34 am hora local, ocurrió un sismo de magnitud 8,8 Mw en la zona central de Chile. El movimiento gatilló licuefacción en más de 120 sitios, en un radio máximo de 450 km desde el epicentro. ...
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(Universidad de Chile, 2023)Los Andes centrales de Chile han estado sometidos a un severo estrés hidrológico debido a la ininterrumpida megasequía de los últimos 13 años. La región es conocida por ser la zona más poblada del país, la cual alberga una ...