A detergent for cleaning iron monosulfide was formulated with surfactant, diamino-propadiene, citric and EDTA, and its cleaning mechanism was discussed.
报道了一种以表面活性剂、丙胺和柠檬酸、EDTA为主要组分硫化亚铁清洗剂配方和其在炼油装置应用情况。
A detergent for cleaning iron monosulfide was formulated with surfactant, diamino-propadiene, citric and EDTA, and its cleaning mechanism was discussed.
报道了一种以表面活性剂、丙胺和柠檬酸、EDTA为主要组分硫化亚铁清洗剂配方和其在炼油装置应用情况。
The Synthetic method of 4,4 ′ diamino 3,3 ′ dichlorodiphenyl methane has been improved using polyformaldehyde.
本文报道了多聚甲醛和邻氯苯胺反应成3,3′氯4,4′氨基苯基甲成方法。
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