Results 21 to 30 of about 1,134,005 (205)

Parámetros hidrogeológicos. [PDF]

, 1987
Hidrogeología es la parte de las Ciencias Naturales que trata de las aguas, tanto superficiales como subterráneas. La Hidrogeología es una parte de la Hidrología que estudia los factores geológicos que rigen la formación, distribución y pro-piedades de ...
Puche Riart, Octavio
core   +1 more source

Optimización de parámetros para la extracción de elementos desde minerales en medios ácido [PDF]

, 2020
[SPA] Esta tesis doctoral se presenta bajo la modalidad de compendio de publicaciones. Actualmente, la gran minería del cobre chilena se encuentra frente a nuevos problemas y desafíos a superar.
Toro Villarroel, Norman Rodrigo
core   +2 more sources

Sequelas pleurais dos derrames tuberculosos: em busca de parâmetros preditivos

Revista Portuguesa de Pneumologia, 2003
ABSTRACTTuberculosis is a very common disease usualy related to bad social-economic conditions and sometimes with associated pleural effusion. Pleural sequelae are referred by some authors as a consequence that may interfere with lung function provoking respiratory failure in some critical situations.
A.M.S. Chibante, T. Tsubouchi Ferreira, S. Miranda   +2 more
openaire   +2 more sources

Impact of parameterization in multiple acoustic index comparisons: practical cases in terrestrial and underwater soundscapes

Remote Sensing in Ecology and Conservation, EarlyView.
Parameter choices in acoustic analyses (sampling frequency, FFT size and window overlap) strongly influence multivariate soundscape separation. Using terrestrial and coral reef recordings, we show that these settings can exaggerate or mask ecological differences, emphasizing the need for parameter sensitivity testing and transparent reporting in ...
Juan C. Azofeifa‐Solano, Miles J. G. Parsons, James Kemp, Rohan M. Brooker, Robert D. McCauley, Shyam Madhusudhana, Mathew Wyatt, Stephen D. Simpson, Christine Erbe   +8 more
wiley   +1 more source

Satellite imagery fusion with an equalized trade-off between spectral and spatial quality [PDF]

, 2010
En este trabajo se propone una estrategia para obtener imágenes fusionadas con calidad espacial y espectral equilibradas. Esta estrategia está basada en una representación conjunta MultiDirección-MultiRresolución (MDMR), definida a partir de un banco de ...
Gonzalo Martín, Consuelo, Lillo Saavedra, Mario Fernando   +1 more
core   +1 more source

Quais os parâmetros funcionais que permitem diferenciar asma grave de DPOC?

Revista Portuguesa de Pneumologia, 2010
AbstractThe aim of this study was to identify the respiratory function parameters that help in the accurate diagnosis of asthma and COPD. We studied 20 asthma and 30 COPD patients who underwent lung function tests including spirometry and plethysmography both with bronchodilator test and diffusion with carbon monoxide (DLCO).
Dias, Ricardo Marques, Chacur, Fernando Hauaji, Carvalho, Sonia Regina da Silva, Neves, Denise Duprat   +3 more
openaire   +3 more sources

Climate‐induced shifts in long‐term tropical tree reproductive phenology: Insights from species dependent on and independent of biotic pollination

Functional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract The dependence on biotic pollination may constrain plant phenological responses because flowering time ultimately defines reproductive success. We proposed a local‐scale study combining long‐term phenology and experimental data to evaluate how a key functional trait—the
Amanda Eburneo Martins, Priscilla de Paula de Loiola, Daniel Pareja‐Bonija, Leonor Patricia Cerdeira Morellato   +3 more
wiley   +1 more source

Study of a hot asphalt mixture response based on energy concepts [PDF]

, 2011
The main objective of the research reported in this paper is to determine the response of a hot mix asphalt (HMA) in terms of both the tensile strength and energy parameters (based on the assessment of the force-displacement curve) as potential tools for
Alvarez Lugo, Allex E., Botella Nieto, Ramón, Reyes Ortiz, Oscar Javier   +2 more
core   +3 more sources

Use of species’ responses to cryptic anthropogenic disturbances for monitoring biodiversity outcomes in tropical forests

Conservation Biology, EarlyView.
Abstract Measuring area‐based conservation outcomes in tropical forests is challenging due to cryptic human disturbances (e.g., hunting). As a result, comparative studies of management strategies providing quantitative outcomes remain scarce, especially in the Neotropics.
Lucy Perera‐Romero, Roan McNab, Rony Garcia‐Anleu, John Polisar, Chris Sutherland, Daniel Thornton   +5 more
wiley   +1 more source

Hobbyist preferences for pet freshwater turtles

Conservation Biology, EarlyView.
Abstract The burgeoning pet trade is a primary threat to wild freshwater turtles worldwide. Although the risks from commercial exploitation of turtles have been discussed widely, there is little empirical research on preferences for pet turtles from a hobbyists’ perspective.
Jingjing Zhao, Zhan Chen, Beilu Duan, Wuji Zheng, Anita Kar Yan Wan, Xiaoxi Zhang, Lishu Li, Tien Ming Lee   +7 more
wiley   +1 more source