Results 41 to 50 of about 58,109 (251)
Trabajos de Prehistoria, 1995 La colonización fenicia durante los siglos VIII y VI a.C. se concibe como una forma de comercio a larga distancia y de intercambio desigual con ulteriores implicaciones en el cambio social -pero no cultural- de las comunidades campesinas de la Edad del ...
Carlos G. Wagner
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ESTUDIO DEL INGRESO DE HIDRÓGENO EN ACERO ELECTROCINCADO MEDIANTE ANÁLISIS TÉRMICO
Avances en Ciencias e Ingeniería, 2020 The aim of this work is to study the hydrogen input in SAE 1005 steel wire samples during the successive stages of the electrolytic galvanizing process.
María N. Delpupo +3 more
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Trabajos de Prehistoria, 2013 El ajuar funerario de la necrópolis de Palhais (Primera Edad del Hierro) ofrece una oportunidad única para estudiar la introducción de la metalurgia orientalizante en el sur de Portugal.
Pedro Valério +4 more
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International Journal of Polymer Science, Volume 2019, Issue 1, 2019., 2019 In this study, the electrophoretic deposition of chitosan films doped with Nd2Ti2O7 nanoparticles was carried out as corrosion protection systems for exposed materials in aqueous environments rich in chlorides. Completely crystalline Nd2Ti2O7 nanoparticles with an average size of 100‐200 nm were obtained.
M. Martinez-Gomez +9 more
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Metalurgia calcolítica en Carmona (Sevilla)
SPAL. Revista de Prehistoria y Arqueología de la Universidad de Sevilla, 1998 This paper faces the scientific study of Chalcolithic minerals, slags and copper objects recovered few years ago, in two excavations, in the city of Carmona. The study of slags is of particular interest owed to the scarcity of this kind of pyrometallurgical material belonging toso early archaeological contexts.
Rovira, Salvador, Gómez Ramos, Pablo
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Revista de Metalurgia, 1998 Se estudia la posibilidad de eliminar la impureza de plomo de la pirolusita de Ímini (Marruecos). El material se somete a un proceso mineralúrgico que permite separar seis fracciones basándose en su diferente densidad y comportamiento electromagnético ...
I. Gómez-Pinilla +2 more
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Advances in Materials Science and Engineering, Volume 2019, Issue 1, 2019., 2019 Due to its high content of rare earths, the use of permanent magnets can be a sustainable alternative for the synthesis of environmentally friendly corrosion inhibitors in order to replace the use of highly toxic inhibitors, as well as the use of rare earth salts of high purity and high cost.
J. Porcayo-Calderon +7 more
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Hornos de reducción de cobre y bronce en la Pre y Protohistoria de la Península Ibérica
Trabajos de Prehistoria, 1996 En este trabajo se presentan las características principales de los hornos de reducción de minerales de cobre y estaño, cotejadas por vez primera con el estudio analítico de restos metalúrgicos hallados en la Península Ibérica desde el Calcolítico hasta ...
Pablo Gómez Ramos
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steel research international, Volume 96, Issue 3, March 2025.A laboratory‐scale hot‐rolled Ti–Mo–V–Nb steel with 1 GPa tensile strength is produced, and its microstructure and tensile properties are characterized using advanced analysis techniques and tensile testing. A Gleeble 3800 thermomechanical simulator is used to determine a process window. Results show significant differences in mechanical properties and
Olli Nousiainen +4 more
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Journal of Nanomaterials, Volume 2019, Issue 1, 2019., 2019 Early Mortality Syndrome (EMS) or Acute Hepatopancreatic Necrosis Syndrome (AHPNS) is a disease produced by gram‐negative bacteria Vibrio parahaemolyticus (V. parahaemolyticus), which has caused declines in worldwide production of a white shrimp Litopenaeus vannamei (L. vannamei).
Francisco Javier Alvarez-Cirerol +12 more
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