相关英语单词
双语例句
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HH - 3 S is a heterocyclic compound, transparent acidic fluid.
HH-3S是一种杂环化合物 、 透明酸性液体.
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The reduced heterocycle 46 conveniently separates out during the reaction.
在反应过程中被还原的杂环(46)可以方便地分离出来.
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It represents an example of a heterocycle being formed as transient species.
它仍然是在反应中生成过渡状态的杂环的实例.
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We have, therefore , in both of the examples above, heterocyclic compounds with " built - in " or latent functionality.
上述两例中的杂环化合物,都具有 “ 固有的 ” 或潜在的官能基.
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A number of recent variations have further demonstrated the utility of the 1, 3 - dithiane system.
几种最近的变体进一步阐明了1, 3- 二硫杂环已烷体系的用途.
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The latter arises from abstraction of the somewhat lesser activated C - H bond in the dioxolane.
后者是由二氧杂环戊烷中活化较弱的C -H 键离解而产生的.
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New , sterically demanding 1, 3 - dialkylimidazolinium salts used as N - heterocyclic carbene precursors were synthesized and characterized.
合成并表征了一种新型的有空间需求的N - 杂环卡宾前驱体1, 3- 二烷基咪唑啉盐.
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Azole: a class of organic compounds having a five - membered heterocyclic ring with two double bonds.
氮杂茂: 一种由五种杂环元素,两组粘合剂组成的有机化合物.
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The progresses in five - membered heterocyclic metallocene analogic complexes and their application in olefin polymerization are reviewed.
综述了五元杂环类茂金属配合物的研究进展及其在烯烃聚合中的应用.
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Morphine: Heterocyclic compound, narcotic analgesic alkaloid originally isolated from opium.
吗啡: 杂环化合物, 从鸦片分离出的麻醉性镇痛药镇痛药生物碱.