detergent 六级雅思GREGMAT专八

He recommended a new detergent to me.

他向我种新涤剂。

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

去除领子上污点最好办法是使用未稀释体洁净。

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

报道了种以表面活性剂、丙二烯二胺和柠檬酸、EDTA为主要组分硫化亚铁清剂配方和其在炼油装置应用情况。

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金属螯合物。