Search results for "source"
showing 10 items of 6139 documents
The Economics of Education. Incentives, Control of Costs, Allocation of Resources
2000
International audience
EVASPA (EVapotranspiration Assessment from SPAce) tool: an overview
2013
International audience; Evapotranspiration (ET) is a fundamental variable of the hydrological cycle and its estimation is required for irrigation management, water resources planning and environmental studies. Remote sensing provides spatially distributed cost-effective information for ET maps production at regional scale. We have developed EVASPA too for mapping ET from remote sensing data at spatial and temporal scales relevant to hydrological or agronomica studies. EVASPA includes several algorithms for estimating evapotranspiration and various equations for estimating the required input information (net radiation, ground heat flux, evaporative fraction…), which provides a way to assess …
(Un)sustainable creativity? Different manager-employee perspectives in the finnish technology sector
2020
The importance of creativity for working life and in organizations has increased in recent years. At the same time, the theme of sustainability has been intensely debated in research, society, and organizations. Together, creativity and sustainability have sometimes been described as a contradictory phenomenon: they are described in ways that place them in opposition to each other. To better understand creativity and sustainability and their differences from the perspective of people in different positions, we take advantage of a sociocultural approach in which we do not focus only on creative individuals but also on the impact of creativity on both organizational stakeholders and society a…
Impacto de las Prácticas de Recursos Humanos sobre la creatividad y los resultados de innovación : propuesta de una escala de medida
2014
La capacidad de innovar se ha convertido en un factor clave de éxito para la supervivencia de las empresas en los entornos actuales. La existencia de procesos creativos en las empresas conduce al desarrollo de productos y procesos innovadores. Además, la adecuación de las prácticas de Recursos Humanos a la estrategia de innovación favorece la creatividad y el proceso de innovación. El objetivo básico de este trabajo es la propuesta de un modelo teórico para el desarrollo de una escala de medida que conjugue los enfoques tradicionales de Recursos Humanos, más estáticos y orientados a los resultados, con los enfoques de innovación más dinámicos y centrados en los procesos. Así, la contribució…
Características de la violencia de género en la Universidad de Valencia
2014
El presente estudio tiene como objetivo conocer la prevalencia de la violencia de género en la universidad de Valencia, el perfil de la víctima, recursos y creencias sobre la violencia en la comunidad universitaria. La muestra está formada por 3.404 sujetos pertenecientes al personal docente e investigador, el personal de administración y servicios y estudiantes. Los resultados apuntan una incidencia de la violencia de género del 20.03%. El perfil de la víctima es el de mujer, estudiante, sin hijos, con una percepción del riesgo leve o moderado, que no denuncia y con repercusiones a nivel psicológico. El 86.99% considera necesario que la universidad disponga de un servicio de atención a la …
Surfactant-based enrichment of rare earth elements from NdFeB magnet e-waste: Optimisation of cloud formation and rare earths extraction
2023
Appropriate waste and resource management are essential for a sustainable circular economy with reduced environmental impact. With critical resources, e-waste may serve as indirect raw material. For example, with NdFeB permanent magnets, Neodymium (Nd) and the co-present Dysprosium (Dy) are critical rare earth elements (REEs). However, there exists no economically viable technology for recycling them from electronic waste (e-waste). Here, a method is presented based on cloud point extraction (CPE). The work involves basic complexation chemistry in a cloud medium with pure REE salts, as well as, with real NdFeB-magnets (nearly 28% REE content by weight) from an old hard disk drive (5.2 g mag…
Landscape, resources and vegetal economy in the Parentium zone (I-V c. AD). First results of a palaeobotanic research
2016
International audience
Analyse des sources des synergies de couts dans les operations de croissance externe horizontale
2015
Les motivations du recours aux opérations de croissance externe sont multiples et spécifiques à chaque entreprise. Dans cet article, nous nous intéressons à la motivation due aux effets des synergies de coûts résultant de la réunion des chaînes de valeur business de la cible et de l’acquéreur dans une opération horizontale. Des réponses théoriques seront apportées à deux questions liées aux effets de synergies de coûts : Que sont les synergies de coûts dans une opération de croissance externe de type horizontal ? Quelles sont les sources en cause dans ce type de synergies ?Mots clés: Synergie de coûts, Croissance externe, Ressources, Compétences, Création de valeur, Chaîne de valeur.
Screening boreal energy crops and crop residues for methane biofuel production
2008
Abstract The purpose of the study was to screen potential boreal energy crops and crop residues for their suitability in methane production and to investigate the effect of harvest time on the methane production potential of different crops. The specific methane yields of crops, determined in 100–200 d methane potential assays, varied from 0.17 to 0.49 m 3 CH 4 kg −1 VS added (volatile solids added) and from 25 to 260 m 3 CH 4 t ww −1 (tonnes of wet weight). Jerusalem artichoke, timothy-clover grass and reed canary grass gave the highest potential methane yields of 2900–5400 m 3 CH 4 ha −1 , corresponding to a gross energy yield of 28–53 MWh ha −1 and ca. 40,000–60,000 km ha −1 in pas…
Yield development of flax varieties and lines within variable environment in Latvia
2015
Flax is the multiple purpose crop cultivated in temperate region. Seeds of oil flax recently became important constituent for many industrial applications, such as pharmacy, medicine, food production <em>etc.</em> and have high prospective for use in Latvia. Understanding the underlying processes that limit seed yield in flax is major with respect to enhancing the breeding of flax for yield improvements. The aim of study was evaluated 29 flax varieties and lines (including 20 Latvian origins) plasticity of seed yield production in changeable environmental conditions. The experiment was carried out in the Agricultural Scientific Centre of Latgale on field trials over the period 2…