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Now showing items 15141-15150 of 15271
There and back again: Late Mesolithic technological change in the northeast of the Iberian Peninsula
(Elsevier, 2023-06-26)
A profound change took place in the lithic technology of the last hunter-gatherer societies in Western Europe and North Africa at the end of the Early Holocene. In a short period, several technological innovations were ...
Constructing an Electronic Calorimeter That Students can Use to make Thermochemical and Analytical Determinations during Laboratory Experiments
(ACS, 2020-11-16)
In this article we describe the construction of a low-cost electronic device to adapt the widespread traditional approach of Analytical Chemistry teaching into laboratory experimentation based on the guided research model. ...
Decision-making tool for solar system selection and design optimization
(2024-07-29)
La cuota de mercado mundial de la generación de electricidad renovable aumentó a una tasa compuesta promedio del 15% entre 2015 y 2020 y 348 GW solo en 2022, lo que podría resultar en una cuota renovable del 45 % en la ...
Global movements, national grievances. Mobilizing for “real democracy” and social justice
(Servicio Editorial de la Universidad del País Vasco/Euskal Herriko Unibertsitatearen Argitalpen Zerbitzua, 2013)
In the ashes of political and socio-economic collapse, social movements sometimes rise like a phoenix. Little more than a year has passed since the Tunisian uprisings, the spark that ignited a series of “mobilizations of ...
Gora Rebeldiak! A History of Radical Basque Nationalist-Irish Republican Relations.
(2020-07-17)
En las últimas décadas, los contenciosos políticos en el País Vasco e Irlanda del Norte, y sus principales protagonistas, han sido el foco de mucha atención y trabajos comparativos en el ámbito académico y de la prensa. ...
Incorporating non-stomatal limitation improves the performance of leaf and canopy models at high vapour pressure deficit
(Oxford University Press, 2019)
Vapour pressure deficit (D) is projected to increase in the future as temperature rises. In response to increased D, stomatal conductance (gs) and photosynthesis (A) are reduced, which may result in significant reductions ...
Beta-Hydroxyimino Phosphorus Derivatives. An Efficient Tool in Organic Synthesis
(Bentham Science Publishers, 2011)
[EN] The purpose of this review article is to illustrate synthetic aspects of functionalized phosphorus derivatives containing an oximo moiety at the beta-position. First section will be focused on the synthesis of phosphine ...
Synthetic applications of intramolecular aza-Wittig reaction for the preparation of heterocyclic compound
(Bentham Science Publishers, 2009)
[EN] A review focused on recent advances in intramolecular aza-Wittig reaction of phosphazenes with several carbonyl or analogous compounds is reported. Phosphazenes afford intramolecular aza-Wittig reaction with different ...
Biodiversity and the challenge of pluralism
(Nature Sustainability, 2021)
The lack of progress in reversing the declining global trend in biodiversity is partly due to a mismatch between how living nature is conceived and valued by the conservation movement on the one hand, and by many different ...
Bizkaiko Golkoan jarduten duten arrantza-flota demertsal mistoen kudeaketa-estrategien ebaluaketa. Aplikazio eremua xede ez diren eta datu mugatuak dituzten populazioetara zabalduz
(2023-07-20)
The demersal mixed-fisheries operating in the Bay of Biscay catch more than 150 species, but only eight of them are included in the Western Waters and adjacent waters multiannual management plan. This raises the issue of ...