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钙化焙烧法从石煤中提取五氧化二钒

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钙化焙烧法从石煤中提取五氧化二钒

氧化锌和氧化铅和氧化硼复合玻璃

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ZnO–PbO–B2O3 glassesas gamma-ray shielding materials Harvinder Singh a, Kulwant Singh a, Leif Gerward b, * , Kanwarjit Singh c, Hari Singh Sahota d , Rohila Nathuram e a Department of Physics, Guru Nanak Dev University, Amritsar-143005, Punjab, India b Department of Physics, Technical University of Denmark, Building 307, DK-2800 Kgs. Lyngby, Denmark c Department of Applied Physics, Guru Nanak Dev

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