Results 51 to 60 of about 6,609,005 (236)
Etude numérique et expérimentale de l'écoulement autour d'un rotor éolien [PDF]
An improved model of an actuator surface is proposed, representing the flow around a wind turbine. This model was developed in conjunction with a Navier-Stokes solver using a blade element method for the calculation of power and wake development.
DOBREV, Ivan +2 more
core +4 more sources
Differential effects of agricultural expansion on wild bee taxonomic and functional diversity
Read the free Plain Language Summary for this article on the Journal blog. Abstract Pollinators, especially bees, are in global decline, threatening biodiversity and food security. While intensive agriculture is a primary driver, its impact on bee functional diversity—particularly in the diverse Mediterranean region—remains understudied.
Manuel López‐Aliste +9 more
wiley +1 more source
Foraging plasticity and physiological adaptations enable hummingbirds to subsist on dilute nectars
Read the free Plain Language Summary for this article on the Journal blog. Abstract Hummingbirds frequently feed on small volumes (<30 μL) of sucrose‐rich nectars. Climate change is expected to affect both the abundance and the concentrations of accumulated nectar.
Rosalee L. Elting +5 more
wiley +1 more source
Con el objeto de llevar a la práctica los conceptos teóricos de la DBO5 del curso de Fundamentos de Ingeniería Ambiental; los estudiantes de séptimo semestre de Ingeniería Civil (I semestre/01) junto con la profesora realizaron en el laboratorio de aguas
Julia Sierra Plazas
doaj +1 more source
Childhoods and play: Facebook, exhibition and competition [PDF]
L'objectif de ce document vise à explorer les relations entre le jeu et les enfants dans le contexte contemporain. L'article considère le jeu d'enfants comme pratique significative à partir des nouvelles technologies de l'information et de la ...
Duek, Sara Carolina
core
Human capital and regional wage gaps [PDF]
This paper uses micro-level data to analyse the effect of human capital on regional wage differentials. The results for the set of Spanish regions confirm that they differ in the endowment of human capital, but also that the return that individuals ...
López Bazo, Enrique +1 more
core +2 more sources
The production‐distribution‐consumption triad has structured how anthropologists understand exchange for roughly a century. This article argues for expanding this triad to include an explicit focus on acquisition – the systems, processes, and practices of acquiring.
Hanna Garth
wiley +1 more source
L’euthanasie fait débat. Cela fait vingt ans que des législations françaises entretiennent l'espoir de partir dignement chez ceux que la maladie condamne. Plusieurs ont pourtant fui en Belgique ou en Suisse. D&rsquoautres ont eu moins de chance. Ils sont morts seuls, suicidés. Philippe Bataille raconte leur combat et celui de leurs proches.
openaire +4 more sources
El objetivo de este trabajo es analizar el fragmento 48 del Protréptico teniendo como telón de fondo alguna de las críticas que Aristóteles presentó contra los principios platónicos en Sobre las Ideas. Creemos que, si bien el fragmento 48 del Protréptico
Claudia Seggiaro
doaj +1 more source
Satellite imagery fusion with an equalized trade-off between spectral and spatial quality [PDF]
En este trabajo se propone una estrategia para obtener imágenes fusionadas con calidad espacial y espectral equilibradas. Esta estrategia está basada en una representación conjunta MultiDirección-MultiRresolución (MDMR), definida a partir de un banco de ...
Gonzalo Martín, Consuelo +1 more
core +1 more source

