Results 31 to 40 of about 466,981 (170)
Sobre los mapas litológicos de las parroquias de la Diócesis de Vitoria-Gasteiz
Del análisis de las litologías empleadas en la construcción de 487 parroquias de la diócesis de Vitoria-Gasteiz, de sus características ornamentales, procedencia y distribución, se deducen varios aspectos a considerar en el análisis histórico y la ...
Luis M. Martínez-Torres
doaj +1 more source
The importance of artificial wetlands for waterbird conservation can be easily overestimated from count data alone. The value of extensive fish ponds as a breeding habitat depends on maintaining the availability of natural marshes as a foraging habitat. This requires reducing impacts from groundwater extraction. Given recent abandonment of aquaculture,
Yingjun Wang +5 more
wiley +1 more source
En este trabajo se evaluó el proceso de obtención de colorantes a partir de especies vegetales como la Bixa Orellana (Achiote) y Brassica oleracea, var. capitata (col morada). Las absorbancias de los colorantes obtenidos fueron comparadas con Indigofera
Carlos Manuel García Lara +4 more
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Los metales pesados son peligrosos para los seres vivos y el medio ambiente, pues no pueden ser degradados y pueden llegar a los seres humanos a través la cadena trófica, por lo tanto, su determinación en diferentes matrices para consumo humano y animal,
Amanda Lucia Chaparro +4 more
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CORPORATE FUTURES, ENERGY TRANSITION, AND NATURAL PROSTHETICS IN COLOMBIA'S CESAR MINING CORRIDOR
ABSTRACT This essay examines the socioecological transformations of mining and post‐mining landscapes in the mining corridor of the Cesar Department, northern Colombia. When an open pit mine is about to close or has recently closed, companies promote post‐mining strategies framed as ecosystem restoration and social compensation.
JUAN PABLO VERA LUGO
wiley +1 more source
Study of alternative geometries for fluidic oscillators by means of computational fluid mechanics [PDF]
Se estudiará el fllujo en el interior de osciladores fluídicos mediante el uso de un código comercial de Mecánica de Fluidos Computacional.Se estudiarán diferentes diseños y se compararán sus rendimientos.1. Documentación y estudio del estado del arte. 2.
Baucells Fuster, Xavier
core
Read the free Plain Language Summary for this article on the Journal blog. Abstract Watercourses are among the most threatened ecosystems globally and face multiple anthropogenic stressors of different origins and intensities that reduce biodiversity and disrupt ecosystem functioning.
Manuel Pinilla‐Rosa +6 more
wiley +1 more source
Documentación de la técnica de cromatografía de gases en el análisis de hidrocarburos alifáticos en aguas residuales [PDF]
En el presente documento se compilan los aportes bibliográficos en el estudio de la técnica de cromatografía de gases aplicada al análisis de hidrocarburos alifáticos en aguas residuales.
Montoya Pavi, Sergio Alejandro +1 more
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ABSTRACT Groundwater governance is complex due to several externalities associated with groundwater being an invisible natural resource tied to the land with millions of extractors and limited means of exclusion. The paper traces the evolution of groundwater irrigation in India and the corresponding change in groundwater laws and policies to address ...
Anindita Sarkar, Amrita Sarkar
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Modeling nature‐based restoration potential across aquatic–terrestrial boundaries
Abstract Today, few watersheds remain untouched by global change processes arising from climate warming, impoundments, channelization, water extraction, pollution, and urbanization. The need for restoration has resulted in a myriad of interventions, generally performed at small scales, which have limited measurable impact in restoring biodiversity and
B. Wegscheider +5 more
wiley +1 more source

