1·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。
2·Using nitriding furnace in manufacturing calcium cyanamide has a unique advantage.
采用沉降炉生产石灰氮，具有独特的优点。
3·A caustic acidic crystalline compound, NHCNH, prepared by treating calcium cyanamide with sulfuric acid.
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。
4·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。
5·Calcium fluoride content in calcium cyanamide charging is determined by a fluoride ion selective electrode method, and its conditions and applications are tested.
采用氟离子选择电极法测定氰氨化钙炉料中氟化钙的含量，进行了条件和应用试验。
6·Usage: It is the raw material of organic synthesis and calcium Cyanamide. It can produce acetylene gas, and can be used as Deoxidizer for steel making and cut metal.
用途：电石可作为有机合成的基本原料，可做为石灰氮的原料，也可产生乙炔气体，作为炼钢脱硫剂，并用于金属切割。
7·This study showed that calcium cyanamide had definite potential in controlling P. canaliculata invasion, being hopeful to be used as a kind of molluscicidal fertilizer in paddy field.
本研究表明，石灰氮在入侵生物福寿螺的防治方面有一定应用潜力，有望成为一种新型的“杀螺肥料”。