Results 21 to 30 of about 9,166 (163)
Eos, Transactions American Geophysical Union, 1985 American Strategic Minerals is a collection of six papers that were presented in December 1982 at a conference organized by the Center for the Study of Marine Policy at the University of Delaware. According to editor Gerard J. Mangone, director of the center, the papers were commissioned “to investigate not only the objective resource situation, but ...
John H. DeYoung, Alfred H. Chidester
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Kuangchan zonghe liyong, 2023 This is an essay in the field of earth sciences. The lithium belt in West Sichuanis the richest area of hard rock lithium resources in China, but the ecological and geological environment in the belt is fragile, so the coordinated development of ...
Li Dai, Hongqi Tan, Xiong Zhou
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Analysing the problems of reproducing the mineral resource base of scarce strategic minerals
Записки Горного институтаThe results of studying the scarcity of strategic minerals in the Russian Federation are presented, domestic consumption of which is largely provided by forced imports and/or stored reserves.
Natalya V. Pashkevich +3 more
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Beneficiation, Smelting and Material Processing of Lithium, Beryllium, Tantalum, and Niobium Mineral Resources in China: Current Status and Prospect [PDF]
中国工程科学The beneficiation, smelting and material processing of lithium, beryllium, tantalum, and niobium (Li-Be-Ta-Nb) resources is a core link for ensuring the safe supply of resources in China. In view of the complexity in resource endowment and the ecological
Chuanyao Sun +8 more
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Revista Tempo do Mundo, 2021 Mineral raw materials are the basis of world economy and will continue to be in the future. Certain raw materials have peculiarities because both the supply risk and its economic importance vary between countries or group of countries, putting forward ...
Fernando Ferreira de Castro +2 more
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Global Dynamics and Reflections on Critical Minerals [PDF]
E3S Web of Conferences, 2022 Critical minerals refer to minerals that have an important strategic position in high-tech application and economic development such as national defense, military industry and emerging industry, but their resource security is at risk. In the context of a
Su Yina, Hu Dewen
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Effective International Approaches to Subsoil Public Administration
Горные науки и технологии, 2020 Development of economic sectors related to mining and processing industries is largely determined by national approaches to subsoil use regulation. For the Republic of Kazakhstan, having enormous geological potential, it is relevant and significant to ...
R. N. Baimishev
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Determination of Sulfate Ion in Ferric Oxide Powder by Ion Chromatography
Kuangchan zonghe liyongTo establish a method for the determination of sulfate ion in ferric oxide powder by ion chromatography with suppression conductivity detector. The hydrochloric acid was used to decomposed samples, with 1.0 mmol/L sodium bicarbonate and 3.2 mmol/L sodium
Yong LEI +5 more
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MINERALS AND CRITICAL RAW MATERIALS: POTENTIAL AND OPPORTUNITIES FOR ARGENTINA
Visión de Futuro, 2022 “Critical” minerals and raw materials are usually defined as those that present great economic importance and high risk of supply disruption. Their integral use (mining, reuse and recycling) opens a window of opportunity for resource-rich countries such ...
Diego Murguía
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Structures of Pb-BHA Complexes Adsorbed on Scheelite Surface
Frontiers in Chemistry, 2019 Previous studies have shown that Pb-BHA complexes (lead complexes of benzohydroxamic acid) have better collecting ability and can be used in flotation experiments with BHA acting as a collector and lead ions acting as activators.
Zhao Wei +14 more
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