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单词 calcium cyanamide
释义

WordReference Random House Unabridged Dictionary of American English © 2024
calcium cyanamide, 
  1. Chemistrya gray-black, often lumpy powder, CaCN2, 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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