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- ANÁLISIS DE LA GEOPOLÍTICA MUNDIAL DESDE EL SIGLO XIX A HOY (1)
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Articles 1 - 3 of 3
Full-Text Articles in Education
Black Boys And Their Behavior, Edward Earl Bell
Black Boys And Their Behavior, Edward Earl Bell
Edward Earl Bell
While societal and cultural expectations bend towards positive schooling experiences, black boys are falling short in terms of graduating from high school—and for that matter—college!
Análisis De La Geopolítica Mundial Desde El Siglo Xix A Hoy, Alberto Sánchez Estrada
Análisis De La Geopolítica Mundial Desde El Siglo Xix A Hoy, Alberto Sánchez Estrada
Alberto Sánchez Estrada
ANÁLISIS DE LA EVOLUCIÓN DE LA GEOPOLÍTICA DE LAS POTENCIAS MUNDIALES, DESDE EL S.XIX, Y LA ADAPTACIÓN DE MÉXICO EN EL NUEVO ORDEN INTERNACIONAL
Pyrite. History, Chemistry, And Metallurgy, Fathi Habashi
Pyrite. History, Chemistry, And Metallurgy, Fathi Habashi
Fathi Habashi
The Book covers the history of pyrite - - how it was a strategic mineral necessary for the production of elemental sulfur needed for making gunpowder for military purposes and for the production of SO2 needed for making sulfuric acid for the chemical industry. Now its presence is a nuisance in tailings ponds. The book also covers the processing of pyrite containing gold, its chemistry and technology, the processing of pyrite cinder for the production of a variety of metals, and its behaviour towards autotrophic microorganisms.