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单词
calcium cyanamide
释义
WordReference Random House Unabridged Dictionary of American English © 2024
cal
′
cium cyan
′
amide,
Chemistry
a gray-black, often lumpy powder, CaCN
2
, unstable in water, obtained by heating calcium carbide and nitrogen;
cyanamide: used chiefly as a fertilizer, herbicide, and intermediate in the synthesis of nitrogen compounds.
1905–10
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