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Now showing items 1111-1120 of 1214
Influence of morphology of zirconium-doped mesoporous silicas on 5-hydroxymethylfurfural production from mono-, di- and polysaccharides
(Elsevier, 2020-02-21)
[EN] Different zirconium-doped mesoporous silicas (Zr-KIT-6, Zr-SBA-15, Zr-MCM-41 and Zr-HMS) were synthesized and evaluated in the glucose dehydration to 5-hydroxymethylfurfural (HMF). A Si/Zr molar ratio of 5 was chosen ...
Tourists’ Willingness to Pay for Holiday Trip Characteristics: A Discrete Choice Experiment
(Sage Journals, 2020-09-21)
This paper studies the marginal rates of substitution and Willingness to Pay for holiday trip characteristics. By means of a Discrete Choice Experiment, we specifically examine how much individuals from four cities in ...
¿Qué hipótesis formulan y en qué las basan los estudiantes de Grado de Educación Primaria al analizar la formación de un diapiro?
(Asociación Española Para la Enseñanza de las Ciencias de la Tierra, 2020)
Existe un amplio consenso en el campo de la didáctica de la ciencia respecto a la
necesidad de integrar en el aula las grandes ideas científicas con las prácticas propias de
esta. Una de tales prácticas es el uso de ...
The use of eco-efficiency indicators by environmental frontrunner companies
(Elsevier, 2020-08)
Eco-efficiency is considered as a relevant practice for corporate sustainability as this concept addresses both
environmental and economic issues. Similarly, eco-efficient indicators are seen as useful instrument for ...
Logros y retos en analítica del aprendizaje en España: La perspectiva de SNOLA
(Asociación Iberoamericana de Educación Superior a Distancia, 2020-07)
As in other research fields, the development of learning analytics is influenced by the networks of researchers that contribute to it. This paper describes one of such networks: the Spanish Network of Learning Analytics ...
Condiciones sociolaborales e integración social de mujeres y hombres españoles en Alemania e Inglaterra
(CIS, 2020-04)
[ES]El presente estudio analiza las características del proceso migratorio (condiciones sociolaborales e integración social, entre otras) de las personas españolas emigradas a Alemania e Inglaterra, atendiendo al país ...
Optimization of XCMS parameters for LC–MS metabolomics: an assessment of automated versus manual tuning and its effect on the final results
(Springer, 2020-01-10)
Several software packages containing diverse algorithms are available for processing Liquid Chromatography-Mass Spectrometry (LC–MS) chromatographic data and within these deconvolution packages different parameters settings ...
Public managers’ attitudes towards networks: different motivations, different attitudes
(Taylor and Francis, 2020-01-07)
The success of collaborative networks relies on interactions between participants, which involve costs and are uncommon. We argue that participation in interactions is explained by participation attitudes, which, in turn, ...
Towards waste refinery: Co-feeding HDPE pyrolysis waxes with VGO into the catalytic cracking unit
(Elsevier Ltd., 2020-01-28)
The co-feeding of high-density polyethylene pyrolysis waxes (HDPE waxes) with vacuum gasoil (VGO) on the catalytic cracking has been investigated. Runs have been conducted by feeding a blend of HDPE waxes/VGO (1/4 in mass) ...
El reflejo de las recomendaciones de la OMS para la prevención del suicidio en la prensa española
(Universidad Complutense de Madrid, 2020-07-01)
Este artículo analiza el tratamiento informativo que los diarios El País, ABC, El Mundo y La Razón han realizado sobre el suicidio en España durante el año 2017. El objetivo es conocer si tienen en cuenta las recomendaciones ...