Browsing by Subject "Environmental Science (all)"
Now showing items 1-20 of 23
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(2004)The design of the bronchial tree has largely been proposed as a model of optimal design from a physical-functional perspective. However, the distributive function of the airway may be more related to a geometrical than a ...
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(1988)Peripheral blood macrophages of school children from downtown Santiago, Chile-a highly polluted city-exhibited a lower phagocytic index with higher percentage of killing than those of the rural village of Marla Pinto. These ...
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(1981)The mountainous stage (below 700-800 m) is dominant, containing Nothofagus and Myrtaceae. In the subandine stage (800-1500 m) N. dombeyi forest is predominant, accompanied by some Podocarpus on the southern volcano. Between ...
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(2013)A choice experiment was applied to measure the existence value of an endemic moss. We assessed value separation, embedding or warm glow and 'ethical' motivations. We exemplify our application by valuing an inconspicuous ...
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(American Society of Civil Engineers (ASCE), 2017)Treatment of drinking water for arsenic (As) removal has been implemented in centralized facilities worldwide, reflecting the increasingly stringent national and international drinking water standards for As, for which a ...
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(American Society of Civil Engineers (ASCE), 2019)Characterization studies conducted on Class-F fly-ash specimens gathered from different producers in the southeastern United States confirm general trends reported for fly ash worldwide. Additional tests and detailed ...
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(2012)This study compares the gonadosomatic index (GSI), oocyte growth (OG), gonadal histology, and plasma level concentrations of sex hormones (estradiol-17β (E2) and vitellogenin (V)) of twice-spawning (T-SP) and once-spawning ...
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(Kluwer Academic Publishers, 1995)A simple, sensitive and selective method by solvent extraction-first derivative spectrophotometry is described for the determination of microamounts of copper in water by means of its reaction and extraction at pH 8.0 with ...
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(2003)Saprophytic bacteria in cultures of the marine dinoflagellate Alexandrium catenella were removed to assess their effect on growth and paralytic shellfish poisoning toxin production of this dinoflagellate. The actual axenic ...
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(Springer-Verlag, 1963)Hematocrit levels were measured on a series of Chilean mammals including PHYLLOTIS DARWINI RUPESTRIS, AKODON ANDINUS, AKODON BERLEPSCHII, LAGIDIUM VISCACIA and CHINCHILLA BOLIVIANA from high altitude; and PHYLLOTIS D. ...
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(Royal Society, 1994)Odorant responses of isolated olfactory neurons from the toad Caudiverbera caudiverbera were monitored by using patch-clamp techniques. Depending on the stimulus, the same neuron responded with an increase or a decrease ...
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(2012)The liver is a major organ responsible for most functions of cellular metabolism and a mediator between dietary and endogenous sources of energy for extrahepatic tissues. In this context, adenosine-monophosphate- (AMP-) ...
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(1983)As part of study of Chagasic cardiopathy in Chile we report a follow-up study of 100 cardiopathic patients from two endemic areas who had been diagnosed 4 years earlier during an epidemiological and clinical survey. The ...
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(2001)We used experimental nests baited with California Quail (Callipepla californica) eggs or clay eggs to examine relative risks of nest predation in an agricultural landscape and in two large forest preserves in a south-temperate ...
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(1993)This study sought to estimate for the first time the prevalence of fascioliasis among the rural population in the Chilean provinces of Curico, Talca, and Linares, while also determining the disease's prevalence among horses ...
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(2013)A sufficient condition on the fractional integral of the absolute value of a function is given in this paper, which allows to assure the convergence of the function to zero. This result can be useful to assure the convergence ...
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(Kluwer Academic Publishers, 1990)
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(Kluwer Academic Publishers, 1994)Extensive mortality of silversides (Atherinidae), Odontesthes bonariensis, was recorded during July 1989 in the Rapel Reservoir. Temporal and spatial changes observed in biomass concentration (chlorophyll-a) through both ...