英语语法分析

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、丙二烯二胺和柠檬酸、EDTA 为主要组分的硫化亚铁清洗剂配方和其在炼油装置应用的情况。

Method for preparing 1, 4-di (2, 4-diamino phenoxy) benzenoid form polyimide film for flexible copper clad plate.

柔性覆铜板用1,4 -双(2,4 -二氨基苯氧基)苯型聚酰亚胺薄膜的制备方法。

The electron impact and field desorption mass spectra of 10 2,4-diamino-6-substituted quinazoline sulfonamides were investigated.

研究了10种2，4-二氨基-6-取代磺酰胺喹唑啉类药物的电子电离及场解吸质谱。