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 results indicated that acetophenone can be reduced by NaBH4/BF3Et2O with high chemical yield and low to moderate enantioselectivity when amino alcohols were used as catalysts.
结果表明：这些氨基醇催化NaBH4/BF3Et2O还原苯乙酮可以获得很高的化学产率和低到中等的对映选择性。
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The product poses a chemical risk because of the presence of acetophenone, a substance classified by Directive 67/548/EEC as harmful if swallowed and irritating to eyes.
通报的理由为该拼图垫不符合欧盟指令67/548/EEC ，垫内含有苯乙酮，吞咽对人体有害，对眼睛也有刺激。
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Influences of the nature of the electrodes, the workingpotentiasl, the passed charge and the concentration of acetophenone on theelectrocarboxylation have been studied.
首先运用循环伏安法研究了苯乙酮的电还原行为。
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The starting material substituted cyclohexyl benzoic acid was prepared from substituted phenyl ethanones by bromoform reactions...
起始原料取代的环己基苯甲酸由取代的苯乙酮经溴仿反应得到。
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We investigate the reaction involving alkynes and α-halophenylethanone in presence of catalyzer to occur nucleophilic addition reaction.
我们还对炔烃与α-卤代苯乙酮在催化剂存在下发生亲核加成反应做了一系列的探索。
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The substrate coupling reaction system catalyzed by recombinanted CAR wasconstructed. It can be used for asymmetric reduction of 2'-chloroacetophenone and coenzyme regeneration with 2-propanol or 2-butanol as the cosubstrate.
5应用重组CAR不对称催化还原2'-氯-苯乙酮，通过加入异丙醇或仲丁醇作为辅助底物，建立了底物耦联反应体系实现辅酶NADH原位再生的反应体系。
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It is found that the content of benzoylformic acid in ferments can be analyzed quickly and conveniently by colorimetry.
研究了一种快速定量分析发酵液中苯乙酮酸的方法。
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Chapter 2: The reaction of bromodifluoromethyl phenyl ketone with thiols was studied.
第二部分考察了溴二氟苯乙酮与巯基化合物的反应。
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Shannon: Tieguanyin in hypertrophy in fresh leaves, containing more high boiling point (200 degrees c) of the aroma substances, such as linalool, acetophenone, etc.; more nerolidol, indole , then the formation of Yun Xiang.
香：在肥厚的铁观音鲜叶中，含有较多的高沸点（200度c）的香气物质，如芳樟醇、苯乙酮等；较多的橙花叔醇、吲哚，则形成韵香。
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A univalent radical, CN, found in simple and complex cyanide compounds.
氰基一种单价基因，氯化苯乙酮，存在于简单的和复杂的氰化物中
- 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。