Listar por título
Mostrando ítems 5267-5286 de 7543
-
Occurrence, source estimation, and risk assessment of Polycyclic Aromatic Hydrocarbons in coastal seawaters from the Quintero Industrial Complex (Valparaiso, Chile)
(ELSEVIER, 2023-06-20)In the 1960s, the Quintero industrial complex was inaugurated in Chile. This began a history of dramatic anthropo-genic impacts on the Chilean coast. Among the known, we could mention high atmospheric emissions of chemicals ... -
La ocupación como objeto y herramienta: ¿cuándo la ocupación está viva?
(Chile. Universidad Mayor, 2020)El presente artículo busca describir y analizar una comprensión de ocupación como objeto y herramienta. Esto, basado en el constante esfuerzo, en terapia ocupacional, por clarificar sus fundamentos teóricos y definir su ... -
Ocurrence and Removal of Copper and Aluminum in a Stream Confluence Affected by Acid Mine Drainage
(Facultad de Ciencias, 2018)Acid mine drainage (AMD) is an environmental concern characterized by low pH and high concentrations of dissolved metals and sulfate. Yerba Loca Creek in Santiago, Chile, is an AMD-affected water stream that originates in ... -
Oficina central autosustentable para faena minera
(Chile. Universidad Mayor, 2018-12)Como todo lo que tiene relación con la construcción, la minería, y más en específico las instalaciones de faena mineras han evolucionado de forma sustancial en las últimas décadas, pasando de ser inmuebles pequeños, incomodos ... -
Old-growth Index: a tool to evaluate developmental stages in native forests in the lowlands of south-central Chile
(UNIV AUSTRAL CHILE, FAC CIENCIAS FORESTALES, 2019)In the lowlands of south-central Chile, old-growth forests are scarce, whereas secondary forests are more frequent. The ecosystem services provided by these secondary forests differ from those associated with old-growth ... -
Older adults’ accounts of the relationships between retirement timing and health: a descriptive qualitative analysis in Chile
(Cambridge University Press, 2020-10-23)Retirement timing can have important health implications. Little is known, however, about older adults’ views on this issue and whether they consider it better to retire later, earlier, on time or anytime. This knowledge ... -
Olga Blinder (Asunción, 1921-2008)
(Chile. Universidad Mayor, 2019-11)El trabajo gráfico de Olga Blinder es una excelente muestra del rigor formal y material que se puede conseguir a través de la xilografía. Este rigor, sin embargo, va más allá del dominio técnico y se extiende a una ... -
Olga de Amaral (Bogotá, Colombia)
(Chile. Universidad Mayor, 2019-01)Olga de Amaral (1932) es una de las artistas textiles contemporáneas más reconocidas del continente americano. Formada en Colombia y Estados Unidos en la primera mitad del siglo XX, a lo largo de su trayectoria ha transitado ... -
Oligomeric poly(ether-imide)s bearing ortho trifluoromethyl groups: Solubility, thermal studies, and optical properties
(WILEY, 2018)In the development of processable high-temperature materials, six new aromatic poly(imide)s based on diamines containing ortho trifluoromethyl groups, ether linkages and R,R-methylenes moieties (R=Me or Ph) and previously ... -
La olla y su rol en las demandas sociales en Chile (1947-2019)
(UNIV SANTIAGO DE CHILE, 2023-01)Desde el rito político del charivari como forma de protesta social, hasta la expresión ciudadana de la olla vacía durante el estallido social iniciado en octubre de 2019 en Chile, el presente artículo tiene por objetivo ... -
On sign-changeable interaction in FLRW cosmology
(SPRINGER, 2019)We investigate an interacting two-fluid model in a spatially flat Friedmann-Lemaitre-Robertson-Walker (FLRW) Universe, when the energy transfer between these two dark components is produced by a factorizable nonlinear ... -
On studying the patterns of individual-based tree mortality in natural forests: A modelling analysis
(Elsevier, 2020-11)Tree mortality is a critical ecological phenomenon shaping forest ecosystem dynamics, structure, and composition, while its effects are of global relevance due to its relationship with forest conditions and environmental ... -
On the developmental self-regulatory dynamics and evolution of individuated multicellular organisms
(Academic Press Inc., 2017)Changes in gene expression are thought to regulate the cell differentiation process intrinsically through complex epigenetic mechanisms. In fundamental terms, however, this assumed regulation refers only to the intricate ... -
On the proportional abundance of species: Integrating population genetics and community ecology
(Nature Publishing Group, 2017)The frequency of genes in interconnected populations and of species in interconnected communities are affected by similar processes, such as birth, death and immigration. The equilibrium distribution of gene frequencies ... -
On the Right Track to Treat Movement Disorders: Promising Therapeutic Approaches for Parkinson's and Huntington's Disease
(Frontiers Media S.A., 2020-09)Movement disorders are neurological conditions in which patients manifest a diverse range of movement impairments. Distinct structures within the basal ganglia of the brain, an area involved in movement regulation, are ... -
One in five deaths are associated with an unhealthy diet worldwide: what is the current scenario in Chile?
(SOC CHILENA NUTRICION, BROMATOLOGIA & TOXICOLOGIA, 2019)Sin resumen -
One Step, Centro Integral de Tratamiento y Rehabilitación en Amputados por Neuropatía Daibética
(Chile. Universidad Mayor, 2018)El proyecto que se presentará a continuación está enfocado en entregar una atención especializada y transdisciplinaria a usuarios amputados por Diabetes Mellitus (DM) tipo II, a través de la conformación del “Centro de ... -
One-class land-cover classification using MaxEnt: the effect of modelling parameterization on classification accuracy
(PEERJ INC, 2019)Multiple-class land-cover classification approaches can be inefficient when the main goal is to classify only one or a few classes. Under this scenario one-class classification algorithms could be a more efficient alternative. ...