Application of Nipagin complex ester as a preservative used in pickles was studied.
该文研究了尼泊金复合酯作为防腐剂在酱菜中的应用。
This complex reaction is characterized by a keto-enol tautomerism equilibrium and ester exchange reaction.
该复杂反应的特征在于酮-烯醇互变异构平衡和酯交换反应。
This complex reaction is characterized by a keto enol tautomerism equilibrium and ester exchange reaction.
此螯合反应是由酮—烯醇互变异构平衡过程和酯交换反应组成。
This complex reaction is characterized by a keto-enol tautomerism eqilibrium and ester exchange reaction .
此螯合反应是由酮一烯醇互变异构平衡过程和酯交换反应组成。
RESULTS Volatile components from EtOAc extract were complex, mainly in aromatic, long-chain alkanes, alkaloids , coumarin and ester compounds.
结果萃取物中挥发性成分较复杂，主要有芳香族、长链烷烃、生物碱类、香豆素和酯类等化合物。
Ubiquitin is first activated by forming a thiol ester complex with the activation component E1.
泛素首先在具有泛素活化酶E1的硫酯复合物的形成中被活化。
The elements contained in the production of the biodiesel are complex, the total contents of methyl ester come to 98.59%, and aromatic hydrocarbon is not contained.
所制备的生物柴油中成分较为复杂，各种脂肪酸甲酯的总含量达到98.59%，且不含芳香烃。
The elements contained in the production of the biodiesel are complex, the total contents of methyl ester come to 98.59%, and aromatic hydrocarbon is not contained.
所制备的生物柴油中成分较为复杂，各种脂肪酸甲酯的总含量达到98.59%，且不含芳香烃。
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