Technical requirements of synthetic scheelite 合成白钨技术条件
2.
Geological and geochemical characteristics and ore indicator of the yangjingou scheelite deposit 农坪金矿带成矿地质条件及找矿思路
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Experimental research of the low - temperature emulsification of 731 collector for scheelite flotation 白钨矿浮选731捕收剂低温乳化试验研究
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The geologic features of the yangjingou scheelite mining area , hunchun , jilin province and direction for ore prospecting 吉林省杨金沟白钨矿床地质地球化学特征及找矿标志
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Abstract : the development of main mineral processing technologies of wolframite and scheelite are presented in the paper 文摘:分别介绍了黑、白钨选矿工艺主要技术进展情况。
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Is a hard , brittle , corrosion - resistant , gray to white metallic element extracted from wolframite , scheelite , and other minerals , having the highest melting point and lowest vapor pressure of any metal 颜色呈灰色或棕黑色,硬度高,延性强,熔点极高,常温下不受空气侵蚀主要用途是制造灯丝和高速切削合金钢,各种钨电极,也用于光学仪器,化学仪器方面。
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Improved hand picking technology greatly enhance the mineral processing tate of waste in many dressing plants . the flotation in normal temperature is a big breakthrough in mineral processing technology of scheelite . improved jig sizing applied in roughing and grqvity dressing , and improved tungsten fine deposit recovering technology enhance the recovery of tungsten fine deposit 手选工艺的改进,使各选厂的废石选出率得到大幅度地提高;常温浮选是白钨选矿工艺的重大技术突破;推广并改进动筛跳汰使这在粗、重选中获得应用;钨细泥工艺的改进提高了钨细泥的回收率。
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The main conclusions with innovative features acquired from the present work are as follows : ( 1 ) soft solution processing technique for preparing functional thin films was put forward and applied to preparing advanced inorganic functional thin films ; a series of molybdate and tungstate films with scheelite - type were prepared directly on metal substrates ( molybdenum and tungsten foils ) by using constant current electrochemical technique at room temperature ; a series of titanate thin films with perovskite - type were synthesized directly on titanium flakes by hydrothermal method in our country for the first time 通过上述研究工作,得到了如下具有创新性研究成果: ( 1 )首次在国内提出和运用软溶液制备工艺技术进行无机功能薄膜材料的制备研究;首次在国内采用室温恒电流电化学技术直接在金属基底(钼片和钨四川大学博士学位论文片)制备了白钨矿结构的铝酸盐、钨酸盐薄膜;首次在国内采用水热合成技术在钦金属片上直接沛叮备了钙钦矿结构的钦酸盐薄膜。