A hydrocarbon was known to be either an alkene or alkane.

某碳氢化合物已知可能是烯烃或是烷烃.

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With the higher olefins, stabilization of the energetic intermediates occurs more easily.

在较高的烯烃情况下, 高能的中间物稳定作用更易出现.

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They are sometimes difficult to differentiate from aromatic or olefinic absorptions.

有时它们就难于和芳香族或烯烃的吸收峰相互区别.

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Plants are sensitive to the simple olefins, particularly C 2 H 4.

植物对简单烯烃是敏感的特别是乙烯.

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The hydrocarbon must be an alkene.

这个碳氢化合物必定是烯烃.

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The feed reactants can be alkadienes, cycloalkadienes.

所加的反应物可以是二烯烃 、 环二烯烃.

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Compounds containing two double bonds are called dienes.

包含两个双键的化合物叫做二烯烃.

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Stereoisomerism is encountered in the homologous series.

在烯烃同系列中出现了立体异构现象.

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Ozone is formed in the reaction, and a nitro derivative of the olefin.

在反应中形成臭氧及烯烃的硝基衍生物.

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The betaine will collapse to the alkene only when these two functions are eclipsed.

只有当这两个基团移至重迭位置时碘盐才能裂解为烯烃.

辞典例句

The triple bond does not usually react so vigorously at a carbon - carbon double bond.

三键在反应时一般不象烯烃中的碳 - 碳双键那样剧烈.

辞典例句

COC transparency similar to glass in its natural form.

环烯烃共聚物的自然形态,类似玻璃.

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Responsible for implementing and administering IPMT HSE procedures applicable to the project.

负责贯彻和执行烯烃项目一体化管理组编制的适用于本项目的HSE程序文件.

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Compared with diolefine rubber, EPDM has less double bond.

与二烯烃橡胶相比, EPDM的双键很少.

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Methanol - to - olefins R & D work focuses on the synthesis and characterization of MTO catalysts.

甲醇制烯烃的 研发 重点是MTO催化剂的合成及其特征描述.

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