单词calcium carbide
un.: 电石；碳化钙
碳化钙
电石
It was formerly made by the action of water on calcium carbide and is now made from cracking petroleum products.
以前由水与碳化钙作用制造。现在由石油产品裂解生产。
It was a hot point of study on the preparation of high valued cubical crystal nano-sized calcium carbonate from calcium carbide residue.
电石渣制备高附加值的立方体晶型纳米碳酸钙成为一个研究的热点。
The invention provides a closed type calcium carbide furnace charging nozzle and a process for producing the same.
本发明是一种密闭式电石炉加料嘴及制造工艺。
Calcium carbide, from which he later obtains acetylene, first made by German chemist Friedrich Wohler.
德国化学家弗里德里希·维勒首次制备出碳化钙，随后他以此获得乙炔。
The acetylene gas generated by calcium carbide can be applied to weld or cut metal materials.
同电石发生乙炔作金属切氰和焊接。
As the fundamental material of organic synthetic chemistry . calcium carbide has wide application .
电石是有机合成化学的基本原料，有广泛的用途。
MAIN PRODUCTS: Taking calcium carbide as raw materials, it"s made through high temperature spitting decomposition using acetylene .
主导产品：乙炔碳黑，是以电石为原料产生乙炔（气），经高温裂解而加工制品（成品）。
Besides , calcium carbide can react with nitrogen to generate lime nitrogen for agricultural fertilizer .
电石与氮气作用生成石灰氮可作农业肥料。
Small amounts of aluminium carbide are a common impurity of technical calcium carbide.
少量的碳化铝是电石中的常见杂质。
Cooling and recycling of calcium carbide clean liquid in the production of poly( ethylene chloride ) are introduced. .
介绍了乙炔生产聚氯乙烯产生的电石渣清液的降温处理及回用过程。