Results 71 to 80 of about 172,621 (248)

Restore little to improve much: the value of woody linear elements for ecological connectivity across agricultural landscapes

open access: yesRestoration Ecology, Volume 33, Issue 8, November 2025.
Mediterranean Europe is facing significant pressures from agricultural intensification. The European Union (EU) Natura2000 network (N2K) seeks to mitigate habitat loss and fragmentation, but its effectiveness needs to be enhanced through Green Infrastructure (GI) to improve coherence between N2K patches.
Simone Valeri   +2 more
wiley   +1 more source

Aulas multigrado o el mito de la mala calidad de enseñanza en la escuela rural

open access: yesRevista Iberoamericana de Educación, 2012
Resumen En el presente artículo se quiere situar la escuela en el medio rural, definir el medio rural como entorno geoeconómico, demográfico y cultural. Para ello se analiza el entorno variado, la tipología de escuelas en la comunidad andaluza (región
Manuel Quílez Serrano   +1 more
doaj  

A new type of pump turbine system specially developed for reverse osmosis application

open access: yes, 1970
A n ew type of pump has been developed specially suitable for reverse osmosis applications. The hydrodynamic theory of the pumps is given as well as some mechanical calculations typical of these p u m p s.
Sánchez Tarifa, Carlos
core  

Motores de Reacción 3ª Parte [PDF]

open access: yes, 1946
El rendimiento aparente vendrá dado por la relación entre el trabajo útil conseguido en la unidad de tiempo y la potencia del ...
Sánchez Tarifa, Carlos
core   +1 more source

Nuevo equipo de bombeo para osmosis inversa [PDF]

open access: yes, 1972
Se describe un nuevo tipo de bomba especialmente apropiada para el proceso de osmosis inversa y que ha sido desarrollada en la División de Investigación de SENER.
Sánchez Tarifa, Carlos
core   +1 more source

Agricultural intensification indirectly reshapes bee–plant interaction networks through shifts in bee functional traits

open access: yesEcological Applications, Volume 35, Issue 6, September 2025.
Abstract High‐intensity farming can lead to non‐random local extinctions and functional filtering of pollinating insect assemblages, disproportionately harming species with certain traits. This process can ultimately reshape pollinator–plant interaction networks in predictable, consistent manners, although this pathway remains largely unexplored. Here,
Domingo Cano   +6 more
wiley   +1 more source

A Eficiência do Consumo Residencial de Energia Elétrica no Brasil

open access: yesEconomia Aplicada, 2018
Este estudo analisou a eficiência do consumo residencial de energia elétrica nos estados brasileiros entre 1991 e 2014. A estratégia empírica consistiu em estimar, no primeiro estágio, a função de demanda, controlando a endogeneidade da tarifa e da renda.
Thiago Costa Soares   +2 more
doaj   +1 more source

Tarifas - Vigência - Competência

open access: yesRevista de Direito Administrativo, 1983
Supremo Tribunal ...
openaire   +1 more source

Cálculo de uma tarifa de alimentação para instalações fotovoltaicas residenciais na Colômbia [PDF]

open access: yes, 2013
El objetivo de este artículo es estimar el valor de una tarifa de alimentación residencial que incentive la producción de energía fotovoltaica en Colombia.
Morales Sanchez, Carlos Fernando
core  

Escribir en comunidad: Construcción de relaciones y responsabilidad en la producción de conocimiento

open access: yesAmerican Anthropologist, Volume 127, Issue 3, Page 447-465, September 2025.
ABSTRACT As anthropology reckons with its past, present, and future, anthropologists increasingly seek to challenge inequities within the discipline and academia more broadly. Anthropology, regardless of subdiscipline, is a social endeavor. Yet research often remains an isolating (though not necessarily solitary) process, even within research teams and
Jordi Armani Rivera Prince   +16 more
wiley   +1 more source

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