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。

Add 7.0 g of disodium EDTA and 3.05 g of cysteine hydrochloride monohydrate.

——准确称取3.55g二代磷酸盐用400mL水溶解移入到500mL的容量瓶中，同时加入7.0g EDTA及3.05g 半胱氨酸盐酸盐一水物。

Preservatives in general are troublesome to crystalline structures and especially disodium EDTA.

一般的防腐剂对水晶结构是有麻烦的，特别是乙二胺四乙基二钠。