acetylene

This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.

论述了乙烯基醚类化合物主要制备方法乙法、脱卤化氢法和缩醛热分解法。

States the latent hazardness of such hydrocarbons as acetylene in air separator, and presents the preventive measures in normal production.

阐述乙以及碳氢化合物空分装置中具有潜危险性,并提出正常生产中预防措施。

Single chamber high pressure gas quenching vacuum furnace,double chamber and multichamber vacuum furnaces implementing the acetylene low pressure carburizing were briefly introduced.

简要介绍了实施乙低压渗碳单室高压气淬真空炉,双室及多室真空炉。