Volcan Compania Minera S.A.A. is a polymetalic mining company, which engages in the exploration and exploitation of mining claims and in the extraction, concentration, treatment and commercialization ...
Peru's massive Chancay port, which authorities hope will become a major shipping hub for South America-Asia trade, will ship two container ships a week beginning late next month, an executive for port ...
Les bactéries sont des organismes procaryotes puisqu'elles ne possèdent pas de véritable noyau et que leurs éléments cellulaires sont simples. Classiquement, on distingue dans la structure bactérienne ...
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