查询词典 tripolymer

Terminated DFA-PEG-PPG tripolymer polyester,which was synthesis by adding long chain fatty acid or fatty alkanol into the reactionsystem, contained not only chain lipophilic group but also polyester-polyether group,and had the building effection of alkanol antifoaming reagent and polyether one. Thenovel design theory for structure of antifoaming reagent was put forward by studyingperformance of product.

这种新型结构聚酯的合成，为消泡剂分子结构的设计提出了一种的思路；采用嵌段聚合方法所合成的_m-_n嵌段聚酯型高分子表面活性剂，其分子量比DFA-PEG和DFA-PEG-PPG三元共聚酯的分子量更大，所表现出的乳化性能更为优秀。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。