苯乙酮
- 与 苯乙酮 相关的网络例句 [注：此内容来源于网络，仅供参考]
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The reduction of acetophenone was studied by cyclic voltammetry and the mechanism has been proposed on the basis of the results.
并利用循环伏安法研究了苯乙酮的还原和电羧化过程的机理。
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The method for determination of acetophenone and cinnamic acid in bioconversion broth was established.
建立RP-HPLC法测定生物转化液中苯乙酮和肉桂酸的含量。
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Under appropriate conditions, the conversion of acetophenone could be as high as 100% and the enantiomeric excess of-1-phenylethanol exceeded 99.0%.
在合适的条件下底物苯乙酮的转化率高达100%，产物-1-苯基乙醇的对映体过量值大于99.0%。
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Average recovery of acetophenone and cinnamic acid achieves 100.42% and 101.75%, respectively, with standard deviation of 1.3% and 1.7%, respectively.
苯乙酮和肉桂酸的平均回收率分别为100.42%和101.75%，相对标准偏差分别为1.3%和1.7%。
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Most of the vibrational modes and frequency of p-halogenated acetophenone are similar.
3对-卤代苯乙酮大部分振动模的描述以及拉曼位移量相似。
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Bromo-2′,4′-dichloroacetophenone was synthesized in three steps,w hich were bromization ,chlorination and acylation,from glacial acetic acid and m -dichlorobenzene.
以冰乙酸和间二氯苯为原料，经溴化、氯化、酰化三个步骤，制得 2—溴- 2′，4′-二氯苯乙酮，产率达 70 %。
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The results show that calix[6] arene-bismetalloporphyrins possess much higher catalytic activity than the corresponding metalloporphyrin while displaying the sam eselectivity by giving rise to acetophenone as the ketonic component in excellent yield.
研究了杯[6]芳烃-双金属卟啉在氧化异丙苯中的催化行为，结果表明杯[6]芳烃-双金属卟啉比之相应的金属卟啉具有更高的催化活性，并表现同样的选择性，生成苯乙酮和醇组份。
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Then, we studied the pathway of bacterial metabolism of Bpa and identified three kinds of metabolon of p-Hydroxy benzoic acid , p-Hydroxy benzaldehyde and p-Hydroxy acetophenone.
其次，利用现代分析化学技术研究Pseudonomas sp.W2对Bpa的代谢途径，发现对羟基苯甲酸、对羟基苯甲醛、对羟基苯乙酮为三种中间代谢产物。
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The alkylation of a-methylene of PhSO2CH2COPh with alkyl halides catalyzed by quaternary ammonium base resin in 50% aqueous sodium hydroxide solution was investigated.
本文以季铵碱树脂作为聚合物固载的相转移催化剂，在50%氢氧化钠水溶液中催化α-苯磺酰基苯乙酮(1)的α-亚甲基的烷基化反应。
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A series of amorphous Ni-Sn-B/SiO 2 catalysts with different tin contents were prepared by salt impregnation and KBH 4 reduction.
采用化学还原法制备了一系列三元非晶态Ni Sn B/SiO2 催化剂，并考察了Sn含量对催化剂的苯乙酮选择加氢制备苯乙醇反应的活性及选择性的影响，同时对Sn改性前后的催化剂进行了系统的表征。
- 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。