环己烯
- 与 环己烯 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Three chiral phosphorus ligands were prepared using anisole as the startingat material.Their applications in the asymmetric hydroformylation and asymmetric conjug ed addition of diethylzinc to enones were investigated.
以苯甲醚为原料,合成了三种新的手性含磷配体,考察了三种配体在不对称氢甲酰化反应和ZnEt2对环己烯酮的不对称共轭加成反应中的应用。
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As the success of benzene partial hydrogenation to prepare cyclohexene developed by Asahi Chemical Industry Co.,Ltd.,cyclohexanol prepared through cyclohexene is...
这一工艺关键是催化剂的设计及选择,因此本文主要对环己烯水合催化剂进行了考察,并进行了反应工艺条件的优化。
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Deoxidization reaction of straw alkali lignin and hydrogen was investigated in the presence of Pd/C catalyst.
以钯/炭为催化剂,以氢气为还原剂与麦草碱木质素进行反应,分析了不同反应条件对催化效果的影响,用化学法测定了反应前后碱木质素官能团的含量,并与环己烯还原法进行了比较。
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MCM 22 had the lowest activity of 0 8% and ZSM 5 with 12 membered ring channels gave a ...
MCM 2 2分子筛的活性很低,其环己烯转化率只有 0 8%。
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It was found that the RCM reaction taking place during the process of ROMP is the formed polymer.
发现在ROMP反应过程中进行RCM反应产生环己烯是聚合物分子量分布变宽的主要因素。
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Large amount of water and zinc sulfate were used to have high yield of cyclohexene.
要得到高的环己烯产率必须添加大量的水和硫酸锌。
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The influence of temperature, hydrogen pressure and contents of active compone nt in catalysts are discussed.
讨论了温度、氢气压力、催化剂活性组分含量对苯部分加氢制备环己烯反应的影响。
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However, the selectivity and the yield to cyclohexene significantly increased with an increase of the Zn content.
钌和锌必须紧密结合才能得到高的环己烯的产率。
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Some new methods of the preparation of cyclohexene oxide by catalytic epoxidation of cyclohexene werld described.
介绍了环己烯催化环氧化的一些新进展。
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Both aromatics and cyclohexene have π-electrons and they can form complexes with Ag〓 in stationary phase.
芳烃和环己烯中都有π电子,均可与固定相表面的Ag〓作用形成配合物。
- 推荐网络例句
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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.
每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。
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Maybe they'll disappear into a pothole.
也许他们将在壶穴里消失
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But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.
但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。