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Mostrando ítems 77171-77180 de 77974
Artículo
Familias amestizadas en contextos esclavistas. Un estudio comparado entre la península ibérica de los siglos XVI-XVII y las Minas Gerais del siglo XVIII
(Universidade de Coimbra, 2023-06-27)
En este trabajo se aborda un estudio comparado en torno a la formación y composición de familias amestizadas en la península ibérica de los siglos XVI-XVII y las Minas Gerais del siglo XVIII. La relación de dos espacios ...
Artículo
Familias esclavas en Sevilla, siglos XVI-XVII. Estudio de caso y perspectivas comparadas
(Consejo Superior de Investigaciones Científicas (CSIC), 2023-12-30)
A pesar de los esfuerzos de investigación realizados en los últimos años, el de la familia esclava constituye uno de los temas pendientes en la historiografía de la esclavitud en la España de los siglos modernos. Así, ...
Artículo
Characterising pre-service primary school teachers’ discursive activity when defining
(Modestum Publishing, 2023)
This paper studies how pre-service primary school teachers construct and select mathematical definitions through the analysis of their discursive activity. Specifically, the theory of commognition (Sfard, 2008) is ...
Artículo
"…De todo el valor y gastos que tuvo esta administración”. Análisis diplomático de la documentación contable de la oficina de correos de Cartagena de Indias (1765-1777)
(Universidad de Sevilla, 2023-11-30)
La administración de correos de Cartagena de Indias se configuró como un organismo productor de una abundante cantidad de documentación variada en su tipología documental y en el contenido de la misma. El documento escrito ...
Artículo
Stationary electro-osmotic flow driven by AC fields around charged dielectric spheres
(Cambridge University Press, 2021)
We experimentally demonstrate quadrupolar electro-osmotic flows around charged dielectric microspheres immersed in an electrolyte when subjected to an alternating current electric field. We present an electrokinetic model ...
Artículo
Letters and economic routes in the Spanish empire in the 18th century with GIS
(Elsevier Ltd, 2023-06)
The postal service was one of the main channels through which letters, goods and actors circulated via fixed maritime and land routes, which favoured the circulation of postal communication between the most influential ...
Artículo
Cu(I) and Ag(I) complexes of two sterically demanding Xylyl-Substituted phosphine Ligands: Synthesis, Characterization, and structural examination
(Elsevier, 2023)
Two sterically demanding tertiary phosphines, PiPr2Xyl and PtBu2Xyl, (Xyl = 2,6-dimethylphenyl), the latter reported here for the first time, have been used to synthesize a series of dinuclear complexes of the general ...
Artículo
Effect of the TiO2-carbon Interface on Charge Transfer and Ethanol Photo-reforming
(Elsevier, 2023)
Carbonaceous materials have been widely used in photocatalysis to solve the drawback of rapid electron-hole recombination rate of semiconductors such as titania. To further understand the charge separation mechanism and ...
Artículo
Amphipods in Mediterranean Marine and Anchialine Caves: New Data and Overview of Existing Knowledge
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-11-29)
Marine and anchialine caves host specialized faunal communities with a variable degree of endemism and functional specialization. However, biodiversity assessments on this habitat are scarce, particularly in relation to ...
Artículo
Randomized, double-blind, placebo-controlled clinical trial on the usefulness of probiotic Lactobacillus reuteri in bismuth-containing quadruple eradication therapy for infection with Helicobacter pylori
(Aran Ediciones S.A., 2022)
Introduction: the primary goal of this study was to com pare gastrointestinal symptom reduction in patients on bismuth-containing quadruple eradication therapy sup plemented with Lactobacillus reuteri strains (DSM 17938 ...