重排催化劑 的英文怎麼說
中文拼音 [zhòngbèicuīhuàjì]
重排催化劑
英文
rearrangement catalyst-
Studied the liquid - phase synthesis of butyl acetate from n - butyl alcohol and acetic acid using the supported heteropoly blue as catalyst. examed several factors imposing on esterification. the results revealed : using this catalyst, the reactions conversion percentage reaches nearly 100 %, product yield is 98. 9 %, selectivity is 98. 9 %. reusing it 10 times, the efficiency is still well. in addition, using this catalyst, the reactions temperature is mild, the reaction time is short and the equipment hasnt any erosion. furthermore, there is no “ threewastesdischarge
對以負載型雜多藍為催化劑的乙酸與正丁醇的液相酯化反應進行了研究.考察了影響酯化反應的因素.結果表明：以負載型雜多藍為催化劑，酯化反應轉化率接近100 % ，收率可達98 . 9 % ，選擇性為98 . 9 % ，重復使用10次催化效果仍好.該催化劑還有反應條件溫和、反應時間短、對設備無腐蝕、無三廢排放等優點Honeycomb ceramic has high surface and lighter weight. it is good at the heat insulation, so it is suitable for various kinds of catalyst carriers. it is widely used for automotive emissions control, stationary emissions control, chemical processing and refining industries
蜂窩陶瓷材料具有比表面積大、隔熱性較好及重量較輕的特點，因此它適用於各種用途的催化劑載體，現已被廣泛應用於汽車尾氣凈化、固定氣體排放的凈化、化學工藝、精練工業等方面。From a viewpoint of organic synthesis chemistry, the recent development and applications of molecular iodine as a catalyst in organic reactions including the formation and cleavage of common protecting groups, oxidation, reduction, cyclization, addition, substitution and rearrangement are reviewed
從有機合成化學的角度，按反應類型綜述了分子碘作為催化劑在有機化學中的應用，碘催化的反應主要涉及保護基團的形成和裂解、氧化和還原反應、成環反應、加成反應、取代反應和重排反應等。At same time, this paper analyzes the importance of well matching of electronic controlling and catalytic converting technology with petrol engine. the main r & d work can be outlined as follows : ( 1 ) working out catalyst for petrol engine which is the compound of rare - earth to noble metal, studying on compounding ingredients and making technics of catalyst, mini - evaluating device having been developed and the catalyst developed having high converting efficiency and long life
同時，分析了電控和催化轉化技術與車用汽油機進行良好匹配的重要性，並圍繞該主題進行了系統深入的研究，具體內容如下： （ 1 ）開發了適合於車用汽油機使用的稀土復合型汽油機排氣催化劑，進行了催化劑配方的研究和制備工藝的研究，進行了催化劑微型評價裝置的研製。Diazo carbonyl compounds catalyzed by ag has been applied to the efficient synthesis of optically pure
-重氮羰基化合物在ag催化劑的作用下的wolff重排反應可以有效地合成光學純的分享友人