geometrical isomerism 英 美 [ˌdʒiːəˈmetrɪkl ˈaɪsəmərɪz(ə)m]几何异构
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physical isomerism 物理异构,物理异性 rotational isomerism 旋光异构 相似单词 isomerism n. 异性 geometrical a. 几何学的,几何的 allo isomerism 立体异构现象 cis isomerism 【化】 顺式异构现象 anti isomerism 【化】 反式同分异构; 反式同分异构现象 trans isomerism 反式异构现象 chromo iso...
美 英 un.几何异构现象 英汉 网络释义 un. 1. 几何异构现象
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geometrical isomerism 英文geometrical isomerism 中文【机】 几何异构
2) geometrical isomerism 几何异构 例句>> 3) geometrical isomer 几何异构体 1. Separation of geometrical isomers of {Fe[3-(2-pyridyl)-5,6-diphenyl-1,2,4-triazine]_3}~(2+)([Fe(PDT)_3]~(2+)) using ion-pair reversed-phase high performance liquid chromatography; 反相离子对高效液相...
parameters: (i)3JC,H between the appropriate carbon atom of the heterocycle and the proton bonded to the carbanionic carbon; (ii) nuclear Overhauser effects; and (iii) the effect on the 13C shifts of the heterocycle of a further phenyl group, as in the anions of diphenyl-methylpyridines....
geometrical isomerism [¦jē·ə¦me·trə·kəl ī′sä·mə‚riz·əm] (physical chemistry) The phenomenon in which isomers contain atoms attached to each other in the same order and with the same bonds but with different spatial, or geometrical, relationships; the explicit ...
spectra of the sodium salt of the carbanion of 4-benzylpyridine in Me2SO show that the anion is non-symmetric at room temperature, because of slow rotation around the bond linking the carbanionic carbon with C(4) of the heterocycle. To establish unambiguously the stereochemistry of the parent...