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Now showing items 1211-1220 of 1302
Deciphering past and present atmospheric metal pollution of urban environments: The role of black crusts formed on historical constructions
(Elsevier, 2020-01)
Construction materials affected by black crusts (BCs) can be subjected to restoration, demolition, recycling or even to their management as waste products. Therefore, the determination of their chemical features should be ...
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 ...
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 ...
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) ...
The dynamic interaction between memory and linguistic knowledge in children’s language development: The role of sentence recall
(Sage, 2020-02-17)
The role of working memory (WM) in language acquisition has been widely reported in the developmental literature, but few studies have
explored the role of sentence recall in the way WM and related linguistic abilities ...
CASA: An Architecture to Support Complex Assessment Scenarios
(IEEE, 2020)
The evaluation or assessment of student performance and knowledge is a central element of most instructional design models, as it provides the information required to take remediation actions and improve the learning ...