1·Under this conditions, the yield of propyl benzoate reached 70.5%.
上述条件下，苯甲酸丙酯的产率可达70.5%。
2·Ethyl and propyl gallate were synthesized without water carrying agent.
乙酯和丙酯的合成还摒弃了带水剂。
3·Under optimum synthetic condition, the yield of propyl ester was 93.5%.
在最佳反应条件下，尼泊金丙酯的产率为93.5%。
4·OBJECTIVE To synthesize thiamine propyl disulfide, a long-effect VitaminB1.
目的合成长效维生素B1丙硫硫胺。
5·These peaks correspond to side-chain cleavage of the ethyl and propyl groups respectively.
这些峰分别相当于乙基和丙基的侧链开裂。
6·Under this conditions, the yield of ethyl esters was 85%, propyl ester 94% and butyl ester 92%.
上述条件下，尼泊金乙酯的产率为85% ，尼泊金丙酯的产率为94 % ，尼泊金丁酯的产率为92 %。
7·A new processing method of propyl gallate was advanced in order to decrease the cost of production.
对常见的没食子酸丙酯提出一种尚未见报道的制备方法，可以大幅度地降低生产成本。
8·Methanol, n-propyl alcohol, acetonitrile and carbon tetrachloride were selected as "molecular probe".
选用甲醇、正丙醇、乙腈、四氯化碳作探针分子。
9·Under these conditions, yields of 87.5%, 89.2%and 91.1%can be reached for the ethyl ester, propyl est...
上述条件下，对羟基苯甲酸乙酯的产率为87.5%，对羟基苯甲酸丙酯的产率为89.2%，对羟基苯甲酸丁酯的产率为91.1%。
10·The disequilibrium of isoamylol and normal propyl alcohol directly caused the bitterness in grape wine etc.
葡萄酒中的苦味是由异戊醇与正丙醇失去平衡造成等等。