Results 11 to 20 of about 16,603 (266)
This is a paper in the field of process mineralogy. A silica-type tungsten and molybdenum mine in Shaanxi has diverse ore types and large variations in tungsten and molybdenum grades, and it is difficult to improve the concentrate grade and recovery ...
Ying Jiang +5 more
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Research Progress and Application of Rare - Earth Conversion Film in Metal Corrosion Protection [PDF]
The rare earth conversion film has attracted more and more attention in recent years because of its good corrosion resistance and non - toxicity. The concept and film forming mechanism of rare earth conversion film were briefly introduced, and the ...
DI Yu - li, LI Liao - kuo, JIAO Yu, HUANG Hai - yan, HE Xia, LUO Qian, ZHANG Wan - ming
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: The Liwu stratiform copper deposit is located in the northwestern Jianglang dome, western China. Current studies mainly focus on the genetic type and mineralization of this deposit. Detailed fluid inclusion characteristics of metallogenic period quartz
Hua-yun Yuan +8 more
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Experimental Study on Recovery of Super Pure Iron Concentrate from an Iron Concentrate in Sichuan
The iron grade of a iron concentrate in Sichuan is 64.56%, and the content of SiO2 and Al2O3 is 5.50% and 2.01% respectively. Material composition research shows that iron minerals are mainly in the form of magnetic iron.
Ting He +4 more
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The Effect of Acidized Sodium Silicate on Flotation Separation Behavior of Barite and Dolomite
Effects of different degree of acidification water glass on the floatability of barite and dolomite as well as its possible principle of action were studied by means of single mineral flotation, solution chemical calculation, Zeta potential test and ...
Haiyong Jiang +4 more
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Research Progress in Preparation and Purification of Rare Earth Metals
The purity of rare earth metals is one of the most important factors to research and develop high technique materials. However, high purity rare earth metals are not easily achieved. This review summarizes the preparation and purification methods of rare
Hang Liu +4 more
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Industrial Application of New Environmentally friendly Tungsten Collector
In order to solve the problem of high COD value of tailings wastewater caused by tungsten collector during production, a new environmental friendly floating tungsten collector was developed and an industrial test was carried out in a concentrator in ...
Jin Liu, Hongying Zhang
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Synthesis of Pt–Rare Earth Metal Nanoalloys [PDF]
Chemical synthesis of platinum-rare earth metal (Pt-RE) nanoalloys, one of the most active catalysts for the oxygen reduction reaction, has been a formidable challenge, mainly due to the vastly different standard reduction potentials of the two metals and high oxophilicity of the latter.
Yang Hu +4 more
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Effect of wheel speed on the crystallization behavior of as-quenched Nd-Fe-B alloys
A series of alloys composed of Nd9Fe85Nb0.5B5.5 were prepared through rapid quenching by different wheel speeds. Nanocomposite was usually obtained by subjecting the as-quenched alloys to a crystallization annealing.
Kuo Men +5 more
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RARE METALS AND POLITICS [PDF]
Rare earth elements are a collection of 17 elements, which include lanthanides and scandals. They are used to make many devices ‒ from electronics to the defense industry. Currently, China is the largest producer of these raw materials, although deposits
Joanna TYSLER
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