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Economía de la tierra y la energía(2)
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Global gold mining: Is technological learning overcoming the declining in ore grades?
ArticleAbstract: Future availability of mineral resources is influenced by two opposed facts. On the one hand, generaPalabras claves:Declining ore grades, Gold mining, Learning curves, Technological learningAutores:Alicia Valero, Domínguez A.Fuentes:scopusExergy accounting applied to metallurgical systems: The case of nickel processing
ArticleAbstract: Exergy accounting of energy and material flows for the two main routes of nickel production (from laPalabras claves:Exergoecology, Exergy analysis, Metallurgical systems, Nickel miningAutores:Alicia Valero, Antonio Valero, Domínguez A.Fuentes:scopusExergy replacement cost of mineral resources
ArticleAbstract: This paper appraises the energy requirements for mineral production through an exergy approach takinPalabras claves:Exergy, Exergy Replacement Cost, minerals, Ore gradeAutores:Alicia Valero, Antonio Valero, Domínguez A.Fuentes:scopus