Results 31 to 40 of about 299,588 (164)

Determination of water and lipid-soluble arsenic compounds in the commercial edible seaweed Hijiki (Hizikia fusiforme) [PDF]

open access: yes, 2012
Se presentan los resultados obtenidos en los estudios de especiación de arsénico realizados sobre el alga comestible Hijiki. Los análisis se realizaron a través de métodos analíticos desarrollados en la UPM (España) y en la Universidad de Graz (Austria).
Francesconi, Kevin A.   +5 more
core  

Governing the Ungovernable: Mapping the Development of Groundwater Irrigation and Groundwater Policies in India

open access: yesWorld Water Policy, Volume 11, Issue 4, Page 1048-1064, November 2025.
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
wiley   +1 more source

Experimentacion y Optimizacion Conjunta de la Disrupcion Celular de Microalgas y Extraccion Soxhletde Aceite Para Alimentacion y Biocombustibles

open access: yesPublicaciones e Investigación, 2014
La producción de biocombustibles y bioproductos utilizando microalgas puede realizarse con tratamientos térmicos para producir biocrudo, o mediante la extracción y transformación de metabolitos específicos.
Angel D González Delgado   +4 more
doaj   +1 more source

Inspección de código para relacionar los dominios del problema y programa para la comprensión de programas [PDF]

open access: yes, 2008
La Comprensión de Programas es una disciplina de la Ingeniería de Software cuyo objetivo es proveer métodos, técnicas y herramientas para facilitar el estudio y entendimiento de programas.
Berón, Mario   +3 more
core  

A computational framework to characterize and compare the tonal repertoires of toothed whales

open access: yesMethods in Ecology and Evolution, Volume 16, Issue 7, Page 1350-1368, July 2025.
Abstract Toothed whales, despite being one of the most acoustically specialized lineages of vertebrates, lack detailed vocal repertoire characterizations comparable to those of songbirds and primates. Current descriptions often lack standardization, limiting interspecies and intraspecies comparisons critical for understanding the contribution of ...
Maia Austin   +7 more
wiley   +1 more source

Comparación de dos métodos de extracción para el análisis fitoquímico de extractos alcohólicos de hojas de plectranthus amboinicus (Lour.) Spreng

open access: yesCiencia e Ingeniería
En el presente estudio, se llevó a cabo una comparación entre dos métodos de extracción para realizar un análisis fitoquímico preliminar de los extractos etanólicos y metanólicos obtenidos de plantas de orégano orejón Plectranthus amboinicus como una ...
Duvan Cuan Vega   +2 more
doaj   +1 more source

Comparación de dos métodos de extracción para análisis 2D en fruta de hueso [PDF]

open access: yes, 2012
Comunicaciones a ...
Díaz, Amelia   +3 more
core  

Abandoned mine land program: Examining public participation in decision‐making

open access: yesReview of Policy Research, Volume 42, Issue 3, Page 629-657, May 2025.
Abstract For centuries, coal extraction and production provided low‐cost energy that powered the American economy. Currently, an estimated 5.5 million people in the Appalachian region live within one mile of an Abandoned Mine Land (AML) site. The site remediation has been funded and promoted by the AML program under the Surface Mining Control and ...
Karsyn Kendrick, Younsung Kim
wiley   +1 more source

Single extraction tests for risk assessment of arsenic and heavy metals in polluted soils from mining activities [PDF]

open access: yes, 2012
Se presentan los resultados obtenidos en la aplicación de 3 métodos de extracción simple, para evaluar el grado de movilidad y biodisponibilidad de As, Cd, Cu, Pb y Zn, en suelos afectados por la actividad minera.
Garcia Casillas, David   +2 more
core  

New opportunities and challenges for conservation evidence synthesis from advances in natural language processing

open access: yesConservation Biology, Volume 39, Issue 2, April 2025.
Abstract Addressing global environmental conservation problems requires rapidly translating natural and conservation social science evidence to policy‐relevant information. Yet, exponential increases in scientific production combined with disciplinary differences in reporting research make interdisciplinary evidence syntheses especially challenging ...
Charlotte H. Chang   +7 more
wiley   +1 more source

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