烯丙基的
- 与 烯丙基的 相关的网络例句 [注：此内容来源于网络，仅供参考]
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It was found that the stereoselectivity of this reaction to produce S-CHBE could be remarkably improved by pretreatment with heating and allyl alcohol.
而烯丙基溴预处理可以使反应立体选择性从通常的生成S-型产物过量转变为R-型产物过量，优化处理条件后能使R-CHBE的e.e。
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It is possible to achieve the conversion of allyl chloride and selectivity for epichiorohydrin as high as 99% on Ti-MWW.
在Ti-MWW催化剂上烯丙基氯的转化率和环氧氯丙烷的选择性都能达到99%以上。
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Higher content of allyl ether led to higher curability in air.
随着烯丙基醚用量的增加，树脂在有氧状态下的固化反应能力增强。
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This allyl type of resin is a highly transparent , colourless material
这种烯丙基型的树脂是一种高度透明的、无色材料。
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This allyl type resin is a highly transparent, colourless material.
这种烯丙基型的树脂是一种高度透明的、无色材料。
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The results showed that the reaction time was 5 h,reaction temperature was 60℃,the molar ration of allyl chloride to hydroxyl was 1.5,the molar rat...
实验结果表明，最佳工艺条件为反应时间5 h、反应温度60℃、烯丙基氯用量为1.5、季铵盐催化剂用量为聚乙二醇物质的量比的5%，聚乙二醇封端率达到85%以上。
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Allicin is the substance that has both antibiotic and antifungal properties while diallyl sulphides help circulation, lower cholesterol and boost the immune system.
大蒜素是一种具有抗菌和抗真菌特性而烯丙基硫化物帮助血液循环，降低胆固醇和增强免疫系统的物质。
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The alternative method of O-demethylation,methane sulfonic acid/DL-methionine and hydrobromic acid were investigated.
方法在以蒂巴因为原料，经氧化、氢化、酰化、氰化、去氧甲基、水解、N-烯丙基化得到纳洛酮的合成路线中，分别采用甲磺酸/DL-甲硫氨酸和氢溴酸代替三溴化硼进行去氧甲基化和后续水解反应。
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Objective To evaluate the therapeutic effects of 5-allyl-7-gen-difluoromethylenechrysin on the growth of xenograft tumor of human lung carcinoma in nude mice.
目的研究5-烯丙基-7-二氟亚甲基白杨素对人肺癌A549细胞裸鼠移植瘤生长的影响。
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Type shown above, the lower temperature as allyl methyl carbocations (1) is greater than the stability of carbocations (2), so the potential energy diagram in the reaction pathway for the carbon embodied in the positive ion hybrid resonance body and Chloride Cl-if by 1,4 - addition will have to experience higher ...
如上式所示，较低温度下由于烯丙基甲基碳正离子(1)的稳定性大于碳正离子(2)，所以在反应历程势能图中体现为碳正离子共振杂化体与氯离子Cl-若按1，4-加成则要经历较高。。。
- 推荐网络例句
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For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether
年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。
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Eph. 4:23 And that you be renewed in the spirit of your mind
弗四23 而在你们心思的灵里得以更新
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Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.
老秋先生为中国秋阳翻译集团的董事长和孔子商学院的院长，致力于国学的研究和推广。