释义 |
dibasic acid短语¹⁴⁴⁹⁷²⁺² 基本英英例句例句 二元酸,二碱价酸
Noun: an acid containing two replaceable hydrogen atoms per moleculeDibasic acids can form acid salts.二元酸能形成酸式盐。 The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis.介绍用甲醇醇解法把聚酯或共聚酯解聚成二元酸二甲酯和二元醇。 Then the catalysts of high activities were selected to be used in the preparation of mixed dibasic acid dimethyl esters DBE. 通过实验选出催化活性高的催化剂,用于催化合成混合二元酸二甲酯 DBE。 cnki |