Browsing by Title Facultad de Ciencias
Now showing items 4833-4852 of 8185
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(2012)The aim of this piece of research was to study the linguistic vitality of Mapudungún in the city of Santiago de Chile, taking into account for its description the (discursive, lexical, writing and communicative) competence ...
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(Universidad de Chile, 2015)En la acuicultura, el cultivo de salmónidos y en especifico de la Trucha arcoíris, se basa en dietas formuladas con harina y aceite de pescado. Para la industria, el ítem alimentación tiene un fuerte impacto por su alto ...
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(2011)Through an extensive sampling and dating of pairs of associated shells and charcoal fragments combined with reanalysis of all the available previous data, we reconstruct the evolution throughout the Holocene of the regional ...
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(Academic Press Inc., 2017)© 2016 Elsevier Inc. Two main hypotheses have been debated about the biogeography of the Southern Ocean: (1) the Antarctic Polar Front (APF), acting as a barrier between Antarctic and sub-Antarctic provinces, and (2) the ...
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(2007)The cytoskeleton and cytoskeletal motors play a fundamental role in neurotransmitter receptor trafficking, but proteins that link GABAB receptors (GABABRs) to the cytoskeleton have not been described. We recently identified ...
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(Elsevier, 2017)Shape memory alloys, like B2–CuZr, are a class of materials that have the ability to recover their original shape when subjected to specific thermomechanical conditions. In this work, we carry out molecular dynamics ...
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(2019-03)En Homo sapiens, la masculinidad ha sido considerada como un conjunto de características que se correlacionan entre sí, tales como rasgos morfológicos y de comportamiento. En esta tesis se estudió la asociación entre ...
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(Springer, 2013)Masking, a type of camouflage, has been argued to function as an antipredator mechanism helping to avoid detection or recognition by a prey or predator. However, research focused on the effects of masking on life history ...
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(American Chemical Society, 1981-12-08)The electron impact-induced fragmentation of aristolochic acids and some synthetic model compounds has been investigated using high resolution mass spectrometry. It was found that the only primary cleavage given by ...
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(SPRINGER, 2008-06)Male paternity assurance behaviour during the female fertile period has been widely documented amongst birds. In contrast, how sex-specific behavioural strategies vary with local breeding synchrony levels remains ...
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(Universidad de Chile, CENMA, 2006)El presente libro –“Materiales de referencia y comparaciones interlaboratorios. Herramientas para el control de la calidad en laboratorios de ensayo”- es uno de los productos del proyecto, de tres años, desarrollado por ...
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(Universisdad de Chile, 2007)En este trabajo describimos estrategias diseñadas e implementadas para sintetizar nuevos materiales heterosupramoleculares laminares a base de TiO2 mediante la hidrólisis del tetraisopropoxido de titaneo por el método ...
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(Universisdad de Chile, 2015)
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(1998)Objective: To assess the relative influence of maternal body composition at late gestation on birth weight. Methods: Maternal body composition was estimated in 224 women near term using a deuterium dilution technique. Using ...
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(2007)What are the consequences of the natural variation in maternal body mass on offspring energetic performance? How are performance traits related to thermal physiology and energetics phenotypically integrated on offspring? ...
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(Wiley, 2022)In vertebrates, thyroid hormones (THs) play an important role in the regulation of growth, development, metabolism, photoperiodic responses and migration. Maternally transferred THs are important for normal early phase ...
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(BIOMED CENTRAL LTD, 2010-11-03)Background: Iron is essential for the maintenance of basic cellular processes. In the regulation of its cellular levels, ferritin acts as the main intracellular iron storage protein. In this work we present a mathematical ...
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(ICME, México, 2008)The role of metaphors and the switch in cognitive modes in relation to visualization in learning and teaching mathematics is discussed, based on examples and case studies with students and teachers. We present some preliminary ...
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(BLACKWELL, 2006-02)We studied the effects of fragment size, vegetation structure and presence of habitat corridors on the reproductive success of the Des Murs' Wiretail (Sylviorthorhynchus desmursii Des Murs, Furnariidae), a small (10 g) ...
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(Universidad de Chile, 1991)