英语语法分析

Four types of carbonyl derivatives of benzotriazole (BTA) were synthesized.

合成了四种苯骈三氮唑(BTA)的酰基衍生物。

The synergistic effect of DPTT and benzotriazole(BTA) as corrosion inhibitor for copper were investigated.

采用动态旋转挂片法考察了DPTT和苯并三唑（BTA）复配时对铜的缓蚀作用。

The measure of the melting points and analysis of TG and UV were made of 18 benzotriazole compounds synthesized.

进行了自制的18个苯并三唑类化合物的熔点测定、热失重分析及紫外光谱分析。