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单词 calcium hydride
释义

calcium hydride

noun

: a saltlike compound CaH2 that is white and crystalline when pure but is usually obtained in gray to gray-brown lumps and that is used chiefly as a reducing agent in the preparation of powdered metals, as a portable source of hydrogen, and as a drying agent

called also hydrolith

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更新时间:2024/12/23 8:33:44