英语语法分析

The polyol ether is a alkoxylated product of chemically treated natural material.

该醇醚是经化学处理的天然物质的烷氧基化产物。

Influence of type and ratio of polyol, and NCO index on the properties of the adhesives were discussed.

考察了多元醇种类及配比、异氰酸酯指数等因素对材料性能的影响。

Polyester polyol ACTS as an organic catalyst in this reaction as well as in some other chemical reactions.

催化剂聚酯作为一个有机催化这种反应，以及在其他一些化学反应。