(1) The flammable gas cloud (ethine and air) explosion experiments have been carried out to examine the calculations.

(2) This article discusses the technology of oxygen ethine thermal spray which is used to restore big scale and heavy slip bearing with the new type homemade antiabrasion materials.

(3) This meter suit oxygen, ethine, hydrogen and other pressure decompress installment, has decompress and pressure function.

(4) The design of reamer, which is made to machining the basic hole of tapered thread hole on the seamless steel resolvable ethine gas-jar, is introduced.

(5) The production process for vinyl chloride is substituted that based on ethylene dichloride for ethine . It is forecasted that it will quickly increased for the demand of ethylene dichloride.