نتایج جستجو برای: raw materials

تعداد نتایج: 480107  

Journal: :NOVYE OGNEUPORY (NEW REFRACTORIES) 2019

Journal: :Earth science, systems and society 2022

Europe’s almost total dependence on foreign suppliers of metals impacts negatively the continent’s balance trade, opens region to potentially damaging supply problems, allows actors place political demands European leaders and economies, has a considerable negative environmental impact in many parts world. Europe sound economic reasons, moral responsibility, promote more mining continent where ...

Journal: :Journal of Society of Materials Engineering for Resources of Japan 1991

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