1. The conversion film is probably constituted of amorphous and pored alloying tannate chelate.
   这种转化膜很可能是由有一定孔隙的非晶态合金单宁酸膜层构成.
2. In this paper, the new chelating resin (PSIM) with a polythioether backbone bearing imidazole group is first synthesized by the reaction between polychloromethylthiirane and imidazole.
   通过聚环硫氯丙烷与咪唑进行高分子反应，合成了以聚硫醚为主链、侧链带有咪唑基团的螯合树脂（简称PSIM）。
3. According to the problems in dyes production,the role of cupric ion in coupling-cupric complexation was discussed,and the chelated forms of formazane reactive dyes were introduced.
   并结合生产和应用中的实际问题,对偶合-铜络一步完成中铜盐的作用、甲铜络合物的啮合形式及其性能等研究成果进行了介绍。
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.
   在洗衣粉中掺入螯合剂，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。

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