查询词典 catalytic action
- 与 catalytic action 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 is based on the catalytic action of Iron on the oxidizing discoloration reaction between Amaranth and KIO4 in sulfuric acid medium.
研究了在H2SO4介质中,痕量Fe催化KIO4氧化苋菜红的褪色反应。
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By analyzing the differences between acidic and basic catalytic action in this transesterificatios, it is considered that the main cause of yielding an anisole by-product is due to the basic catalysis, a Lewis acidic catalyst is helpful for the selective DPC formation.
通过分析酸碱催化作用在酯交换反应中的差异,认为碱催化是副产物苯甲醚生成的主要原因,Lewis酸性的催化剂有利于碳酸二苯酯的高选择性。
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Catalytic action of metal ions, especially cerium ion, in the decomposition of t-butyl hydroperoxide was investigated.
本文研究了金属离子,特别是铈离子在叔-丁基过氧化氢分解反应中的催化性能。
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The catalytic action of mercury on the colour reaction between potassium ferrocyanide and 4, 7-diphenyl-1, 10-phenanthrolihe has been studied, The addition of thiourea will further increase the sensitivity of the reaction.
本文研究了汞催化亚铁氰化钾与4,7-二苯基-1,10-菲啰啉显色反应体系,硫脲的加入显著提高了体系的灵敏度,摩尔吸光系数ε=4。
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CATALYTIC ACTION OF METAL IONS ESPECIALLY CERIUM ION, IN THE DECOMPOSITION OF t-BUTYL HYDROPEROXIDE
金属离子,特别是铈离子在叔-丁基过氧化氢分解中的催化作用
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CATALYTIC ACTION OF METAL IONS IN LIQUID PHASE OXIDATION Ⅲ.
金属离子在液相氧化中的催化作用——Ⅲ。
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In the reaction of NAE18 with nitrogen mustard aryl phosphorochloridate, 4-dimethylaminopyridine played critical catalytic action.
在合成工作中发现:在NAE18与氮芥芳基磷酰氯的反应过程中, 4-二甲氨基吡啶起着关键性的催化作用。
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On the basis of catalytic action of iridium on the oxidation reaction of xylene cyanol FF by the potassium periodate in the medium of 0.02mol/L H2SO4 and heating at 95℃, a new catalytic kinetic spectrophotometry for the determination of iridium is established.
在0.02mol/L硫酸介质中及95℃的加热条件下,对高碘酸钾氧化二甲苯蓝FF的褪色反应具有显著催化作用,据此建立了催化动力学光度法测定痕量依的新方法。
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In this work , 1,8-octodiol, the starting material, reacted with 40% hydrobromic acid to produce 8-bromooctan-1-ol, with the catalytic action of PPTs, its hydroxyl group was protected by 2,3-dihydropyran. Then it coupled with 1-heptaalkyne, by means of P-2 nickel as catalyst, stereoselectivity catalysis hydrogenated, with the catalytic action of acid to take off extremital 2, 3-dihydropyran which protected hydroxy group, then used PCC to oxidize alcohol into corresponding aldehyde.
以1,8-辛二醇为原料,与40%氢溴酸进行单溴代反应,得到8-溴-1-辛醇,在对甲苯磺酸吡啶盐的催化下与2,3-二氢吡喃反应,保护分子中的羟基,再与1-庚炔进行偶联,以P-2镍为催化剂立体选择性催化加氢,酸性条件下脱末端的2,3-二氢吡喃对羟基的保护,使用氯铬酸吡啶盐将醇氧化成醛。
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A catalytic kinetic spectrophotometric method has been established for the determination of trace Mn, based on the catalytic action of Mnon the oxidation - reduction reaction between KIO4 and KI in the presence of 1, 10 -phenanthroline and in HAc-NaAc buffer solution.
本文研究了HAc-NaAc缓冲溶液中,在1,10—菲啰啉激活作用下,锰对KIO4-KI氧化还原反应的催化动力学条件,建立了催化动力学光度法测定痕量锰的方法。
- 推荐网络例句
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In the United States, chronic alcoholism and hepatitis C are the most common ones.
在美国,慢性酒精中毒,肝炎是最常见的。
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If you have any questions, you can contact me anytime.
如果有任何问题,你可以随时联系我。
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Very pretty, but the airport looks more fascinating The other party wisecracked.
很漂亮,不过停机坪更迷人。那人俏皮地答道。