英语语法分析

Under this conditions, the yield of glyceryl triacetate was up to 94%.

此条件下，三醋酸甘油酯收率超过94%。

Glyceryl triacetate was synthesized from acetic acid and glycerine using immobilized catalyst.

报道了以甘油和醋酸为原料，用固定化催化剂催化合成三醋酸甘油酯。

Crystalline structure and thermal property of cellulose triacetate and cellulose diacetate were studied.

研究三醋酸纤维素和二醋酸纤维素的结晶结构和热学性能。