异构(heterogeneous,来自中世纪拉丁文 heterogeneus,来自希腊语 heterogenēs ),即由不同的元素或部分组成,不均匀的意思。
对相转移催化合成2-戊叉环戊酮及其异构化的条件进行了研究。
The synthetic conditions of 2-pentylidene cyclopentenone using PTC were stud-ied, and the conditions of isomerization were also studied.
磷酸甘油糖异构酶1和胞质环氧水解酶是参与烫伤大鼠代谢的下调蛋白。
Triosephosphate isomerase 1 and cytosolic epoxide hydrolase were down-regulating proteins participated in metabolism of scalded rats.
SSBR/S/NS 体系存在顺反异构现象,顺反异构程度也存在。
There was cis-trans isomerism on the system of SSBR/S/NS and the degree of cis-trans isomerism.
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