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。
The ester exchange reaction on phosphorus of N-phosphorylhistidine with primary alcohol has been studied by MNDO method.
用MNDO方法对磷酰化组氨酸磷上酯交换反应侧链咪唑基所参与的六配位磷机理进行了研究。
Butyl lactate was synthesized by the ester exchange reaction of d, L-lactide and n-butanol under the catalysis of sulfuric acid.
研究了D,L -丙交酯在浓硫酸催化作用下与正丁醇进行酯交换反应合成乳酸丁酯的条件。
In a microwave reactor, the biological diesel oil is prepared from an acid esterification-alkali ester exchange two-step method.
在微波反应器中以酸酯化-碱酯交换两步法制备生物柴油。
Since no catalyst is used in the process, a product can be conveniently extracted and no waste water is produced; and the ester exchange process is simpler, safer and more efficient.
由于过程中无催化剂，不仅产物提纯简便，而且无废水产生，酯交换过程更加简单、安全和高效。
The result shows, the ester exchange reaction did take place in PC/PET melting blend system, the extent of exchange reaction depends on content of the components, mixing temperature and mixing time.
结果表明，PC/PET共混体系在熔融过程中有酯交换反应发生，反应程度与组分含量、熔融温度和共混时间有关。
It is the first time to report that C8-acetyl is displaced by long chain fatty acyl for triester-aconitines in the ester-exchange reactions.
三酯型乌头生物碱的C位乙酰基被各种长链脂肪酰基取代的酯交换反应为首次报道。
Vegetable oil ester-exchange reaction is catalyzed by solid base catalyst, the yield and conversion of oil is over 98.5%.
固体碱催化植物油酯交换反应，产率、转化率达98.5 %以上。
The result showed that the graft copolymer could suppress ester-amide exchange reaction at the early stage of blending.
结果表明：共混反应开始阶段，其对酯-酰胺交换反应具有较好的抑制效果。
The result showed that the graft copolymer could suppress ester-amide exchange reaction at the early stage of blending.
结果表明：共混反应开始阶段，其对酯-酰胺交换反应具有较好的抑制效果。
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