cyanamide的例句（cyanamide在句子中的用法）

• Cyanamidealsocyanamid: a caustic acidic crystalline compound, NHCNH, prepared by treating calcium cyanamide with sulfuric acid. “氨基氢: 一种腐蚀性的酸性晶体化合物, NHCNH,可通过硫酸作用于氢氨化钙制取.”.
• A new process, urea - calcium cyanamide method, for producing thiourea from urea and hydrogen sulfide is proposed. 利用尿素和硫化氢等原料制备硫脲, 提出了尿素 - 氰氨化钙法新工艺.
• Calcium cyanamide is poisonous and irritating to the skin. 氰氨化钙是毒性物质,对皮肤有刺激性.