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Catalytic effect of ionic liquids to isobutane and butene alkylate reaction was studied,composition of ionic liquids,isobutane and butene mole compares factors to the alkylate reaction influence was reviewed.

研究了离子液体对异丁烷与正丁烯烷基化反应的催化作用，考察了离子液体组成、异丁烷与正丁烯物质的量比等因素对烷基化反应的影响。

Friedel-Crafts alkylation reaction is an important reaction, widely used in organic and pharmaceutical synthesis.

Friedel-Crafts烷基化反应是有机合成和药物合成中的一类重要反应，有着十分广泛的应用。

The effects of reaction temperature, molar ratio of benzene to DEO and WHSV on the alkylation reaction were also studied.

此外还考察了温度、原料配比、空速等条件对该反应的影响。

A desire to elucidate this reaction, and the analogous alkyne metathesis reaction, led to the discovery and development of high oxidation state complexes that contain a M=C or M C bond, so-called alkylidene and alkylidyne complexes, respectively.

为了阐述复分解反应，发现和发展了含有双键和三键的金属有机化合物，分别被称谓杂金属烯烃和杂金属炔烃。

The results showed that the reaction time was 5 h,reaction temperature was 60℃,the molar ration of allyl chloride to hydroxyl was 1.5,the molar rat...

实验结果表明，最佳工艺条件为反应时间5 h、反应温度60℃、烯丙基氯用量为1.5、季铵盐催化剂用量为聚乙二醇物质的量比的5%，聚乙二醇封端率达到85%以上。

The previous research, in which macro-kinetics of ammoniation of phosphoric acid was measured in a double magnetic stirring reactor,found that the reaction between wet phosphoric acid and gaseous ammonia was a rapid reaction controlled by the gas-film mass transfer.

本文采用数学模型法，根据氨化反应过程的机理，通过小试建立数学模型并经合理简化，再通过中试对模型进行修正和完善，最后用工业大装置加以验证，使所得的模型可用于工业放大。

The test indicates that reaction temperature is higher, reaction time is longer and nitrogen content is lower than those when technical lignin material is used. Efficiency of ammonification with peroxide of hydrogen as an oxygenant is higher than that with oxygen as an oxygenant.

实验表明天然木质素原料氨化的反应温度比工业木质素高，反应时间较长，氨化产物的含氮量较低（含氮量为3.9％-6.7％；用过氧化氢作氧化剂比用氧气作氧化剂，氨化效率高。

Then using 3,4,5-trichlorobenzotrifluoride as starting material to prepare 2,6-dichloro-4-trifluoromethylaniline through three routines, The direct ammonolysis method may realize the maximum use of the atom and it meets the modern green chemistry requirement. But the reaction must carry on under the high temperature and high pressure condition, and side reaction had occurred, the conversion was high, but the yield of the product was only 68%.

直接氨解法可以实现原子的最大利用率，符合现代绿色化学原子经济性要求，但是反应需在高温高压条件下进行，且有副反应发生，原料转化率高，但所需产品的收率只有68%。

The activation energy of the reaction with solid super acidic catalyst is obviously lower than that of the reaction without catalyst, Sugesting that S2O8(superscript 2-)/TiO2-Al2O3 is the the effective catalyst of the synthesis of amyl acetate.

固体超强酸S2O82-/TiO2-Al2O3使反应活化能明显降低，是乙酸异戊酯合成的有效催化剂。

The optimized re action conditions were obtained: the molar ratio of acetic acid and amyl alcohol 1:1.1, the amount of catalyst 0.4g, the reaction temperature about 120℃ and reaction time 3hr, the ratio of...

确定了以该催化剂合成酯的最佳条件：反应温度 12 0℃，酸醇摩尔比为 1∶1.1，催化剂用量为 0 。4 g ，反应时间为 3hr使酸转化率为 86.33%。

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。

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