detergent 六级雅思GREGMAT专八

1.He recommended a new detergent to me.

他向我推荐一种新的剂。

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

去除领子上的污点最好的办法是使用未稀释的体洁。

3.A detergent for cleaning iron monosulfide was formulated with surfactant, diamino-propadiene, citric and EDTA, and its cleaning mechanism was discussed.

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剂配方和其在炼油装置应用的情况。

4.3, 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.

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