detergent GREGMAT专八雅思

staining that resists detergent action.

抗洁作用的污斑形成。

5 Which one is a ‘ soapless detergent?

那一种是非皂洁？

He recommended a new detergent to me.

他向我推荐一种新的。

distributing samples of a new detergent;

区分新型的样品；

It contains hypertoxic pestcide, synthetic detergent, antiseptic, and DDT is the representative;

主要是以DDT为代表的剧毒农药及化学合成、防腐；

The best way to get stains off collars is to use liquid detergent at full strength.

除领子上的污点最好的办法是使用未稀释的液体洁净。

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

This amphipathic nature holds whether the detergents are anionic, cationic, or nonionic.All types are illustrated in the figure.

无论表面活是阴离子、阳离子还是非离子型，都是两的。

3, A chelating agent which forms an easily water-soluble metal chelated compound such as nitrilotriacetate (NTA) or ethylene diamine tetraacetate (EDTA) is incorporated in a detergent composition.

在衣粉中掺入螯合，例如次氮基三乙酸酯（NTA）或者是乙二胺四乙酸酯（EDTA），这些螯合易于形成水溶的金属螯合物。