Results 41 to 50 of about 196,613 (175)

Landowners Meet Drug Traffickers: Coercive Networks and Violence in Rural Colombia

open access: yesAntipode, Volume 57, Issue 4, Page 1402-1425, July 2025.
Abstract The transport of drugs and the flow of drug proceeds have a major impact on the social and economic configuration of the rural areas affected by them. Though this is widely acknowledged, the impact of illicit economies on agrarian social conflicts remains unclear. Using the case of the marijuana trade in the agrarian societies of the Magdalena
Luis David Castillo Rojas   +1 more
wiley   +1 more source

Towards a global understanding of tree mortality

open access: yesNew Phytologist, Volume 245, Issue 6, Page 2377-2392, March 2025.
Summary Rates of tree mortality are increasing globally, with implications for forests and climate. Yet, how and why these trends vary globally remain unknown. Developing a comprehensive assessment of global tree mortality will require systematically integrating data from ground‐based long‐term forest monitoring with large‐scale remote sensing.
International Tree Mortality Network   +114 more
wiley   +1 more source

Operaciones de Flujo de Fluidos. Tema 7: Operaciones de separación sólido-fluido [PDF]

open access: yes, 2011
El tema contiene la descripción de algunas operaciones de separación basadas en el flujo de fluidos, centrándose en la sedimentación y la ...
Salcedo Díaz, Raquel
core   +1 more source

Estudio de un vórtice de Rankine con velocidad axial discontinua en un tubo infinito

open access: yesAnales (Asociación Física Argentina), 2017
En este trabajo se muestra que un vórtice de Rankine confinado con flujo axial uniforme, posee sólo modos neutros aun cuando la velocidad axial sea discontinua en la interfase rotacional-irrotacional.
R. Gonzalez, C. D. Vigh
doaj  

Propiedades reológicas de jugo de maracuyá (Pasiflora edulis) con adición de fibra dietética

open access: yesAgroindustrial Science, 2020
Las propiedades reológicas del jugo de maracuyá son poco conocidas. Este estudio tuvo como objetivo determinar las propiedades reológicas del jugo de maracuyá (Passiflora edulis) con adición de fibra.
Augusto Mechato, Raúl Siche
doaj   +1 more source

sabinaNSDM: An R package for spatially nested hierarchical species distribution modelling

open access: yesMethods in Ecology and Evolution, Volume 15, Issue 10, Page 1796-1803, October 2024.
Abstract Species distribution models have evolved to combine species‐environment interactions across multiple scales. Spatially nested hierarchical models (NSDMs) offer a promising avenue by integrating datasets and predictive models from broad to fine scales. But a user‐friendly tool to execute these models remains an important ongoing challenge.
Rubén G. Mateo   +5 more
wiley   +1 more source

Diseño y simulación de un controlador en tiempo discreto para regulación de temperatura en un invernadero a escala

open access: yesProspectiva, 2016
Este documento describe el proceso de diseño de un controlador de temperatura trabajando en tiempo discreto para mantener el interior de un invernadero protegido del efecto destructivo de las heladas climáticas nocturnas.
Oscar Alexander Bellon Hernandez
doaj   +1 more source

The social life of illegality: Suspicion and surveillance against African migrants in urban India

open access: yesAmerican Anthropologist, Volume 126, Issue 3, Page 422-433, September 2024.
Abstract The turn of the 21st century has witnessed a rising trend of migration from the African continent to cities across India. Accompanying such flows have been racial tensions and policing spectacles, including incidents of violence, vandalism, and evictions against African migrants and their pathologization as “illegal.” These subtle yet ...
Bani Gill
wiley   +1 more source

A COMPLEMENTARY CONVENTIONAL ANALYSIS FOR CHANNELIZED RESERVOIRS Análisis convencional complementario para yacimientos alagados

open access: yesCT&F Ciencia, Tecnología & Futuro, 2007
Many well pressure data coming from long and narrow reservoirs which result from either fluvial deposition of faulting cannot be completely interpreted by conventional analysis since some flow regimes are not conventionally recognized yet in the oil ...
Freddy-Humberto Escobar1   +1 more
doaj  

Diseño y desarrollo de una aplicación para la modelación hidráulica, implementando la extensión del algoritmo del gradiente global en el tiempo extendido para flujo no estable

open access: yes, 2012
El siguiente trabajo consiste en la implementación de la solución del problema de la inestabilidad numérica para el análisis de flujo de las redes hidráulicas en el período extendido, inestabilidad a causa de las de oscilaciones marcadas en períodos consecutivos generadas por grandes pasos de cálculo en el transcurso del tiempo y cuya solución se ...
openaire   +1 more source

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