Results 41 to 50 of about 265,834 (163)

Modelación del transporte de cobre en la capa límite en una celda de electrodiálisis

open access: yesRevista de Metalurgia, 2004
Se ha desarrollado un modelo semi empírico que permite establecer el transporte de iones cúpricos a través de la capa límite de Nernst generada entre el seno del electrólito y la superficie de la membrana de una celda de electrodiálisis.
J. P. Ibáñez   +3 more
doaj   +1 more source

Introduced dung beetles suppress methane emissions from cattle dung and alter the temporal dynamics of greenhouse gas flux Los escarabajos peloteros introducidos suprimen las emisiones de metano del estiércol de ganado y alteran la dinámica temporal del flujo de gases de efecto invernadero Besouros coprófagos introduzidos suprimem as emissões de metano do esterco bovino e alteram a dinâmica temporal do fluxo de gases de efeito estufa

open access: yesEcological Entomology, Volume 51, Issue 5, Page 1025-1035, October 2026.
Dung beetles suppressed cumulative methane flux from cattle dung by 85% and reduced total greenhouse gas emissions by 18%. Beetle activity accelerated initial CO2 release but did not alter total cumulative flux. N2O and NH3 fluxes were transient and not consistently driven by beetle presence.
Jean Holley   +2 more
wiley   +1 more source

Estudio de modelos de programación lineal entera para el taller de flujo regular con esperas no permitidas [PDF]

open access: yes, 2018
Este trabajo de Fin de Grado trata de resolver un problema de análisis de modelos de programación lineal en un entorno de un taller de flujo con permutación adaptando varios modelos generales de taller de flujo con permutación a un taller de flujo con ...
Fernández-Figueroa González, José Luis
core   +1 more source

STRAIGHT-LINE CONVENTIONAL TRANSIENT RATE ANALYSIS FOR LONG HOMOGENEOUS AND HETEROGENEOUS RESERVOIRS

open access: yesDyna, 2012
El flujo lineal es un régimen de flujo muy importante que se presenta en pozos fracturados, horizontales y yacimientos alargados. Tanto el análisis de pruebas de presión como de transitorio de caudal podrán verse afectados por la presencia del flujo ...
FREDDY HUMBERTO ESCOBAR   +2 more
doaj  

Plant genotypic diversity and defoliation jointly shape root exudation, fungal communities, and carbon and nitrogen cycling

open access: yesNew Phytologist, Volume 252, Issue 1, Page 324-339, October 2026.
Experimental design. Summary Intraspecific plant diversity is a major component of community diversity, yet its role in shaping plant–microbial interactions and soil functioning remains poorly understood. In particular, plant genotypic diversity may modulate ecosystem responses to defoliation, a key driver of ecosystem processes in grazed systems.
Irene Cordero   +11 more
wiley   +1 more source

PRESSURE AND PRESSURE DERIVATIVE TRANSIENT ANALYSIS WITHOUT TYPE-CURVE MATCHING FOR ELONGATED RESERVOIRS WITH CHANGES IN FACIES OR WIDTH

open access: yesCT&F Ciencia, Tecnología & Futuro, 2010
Due to geologic and tectonic events many reservoirs have an elongated geometry in which dual-linear and single-linear flow regimes may be developed.
Freddy-Humberto Escobar   +2 more
doaj  

Factores determinantes del flujo turístico en la Reserva de la Biosfera El Pinacate y Gran Desierto de Altar.

open access: yesEconomía y Sociedad
Las áreas naturales protegidas son una herramienta efectiva para la conservación de los ecosistemas. Algunos de estos lugares tienen vocación turística, debido a sus atractivos naturales y culturales.
León Alejandro Cáñez Cota   +2 more
doaj   +1 more source

Análisis del control dinámico de un tren de destilación multicomponente del área de recuperación de solvente de una planta de polietileno lineal.

open access: yesIngeniería, 2019
En esta investigación se aporta el estudio en estado dinámico de un tren de destilación multicomponente del área de recuperación de solvente de una planta de polietileno lineal.
Gustavo Enrique Ramos Montero   +2 more
doaj   +1 more source

Extrapolation strategy matters when transferring ecological niche models: new visualization tools for informed decisions

open access: yesEcography, Volume 2026, Issue 9, September 2026.
Abstract Ecological niche models (ENMs) are commonly used to predict species' potential distributions across space and time, allowing researchers and practitioners to assess invasion risk, estimate the impacts of future climate change, and reconstruct past distributions.
Gonzalo E. Pinilla‐Buitrago   +2 more
wiley   +1 more source

Fetuses exposed to an episode of threatened preterm labor delivered at or near term show signs of cardiac remodeling

open access: yesUltrasound in Obstetrics &Gynecology, Volume 68, Issue 3, Page 395-405, September 2026.
ABSTRACT Objective To evaluate whether fetuses exposed to threatened preterm labor (PTL) without intra‐amniotic infection or inflammation (IAI), who were born ≥ 34 weeks' gestation, show signs of cardiac remodeling and dysfunction at admission and 4 weeks after the episode of threatened PTL.
C. Murillo   +11 more
wiley   +1 more source

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