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Prolonged reaction time or higher reaction temperature is beneficial for further boosting the conversion of benzyl alcohol.

而且，钨物种主要以无定形的形式存在，这样高分散的富含催化氧化活性中心的钨物种提高了对1， 3-丁二醇的催化氧化性能。

The kinetic model of consecutive reaction for chlorination of benzyl chloride has been built by analyzing the reaction mechanism and macroscopic stage.

通过对氯化苄光氯化反应机理和宏观状态的分析，建立了氯化苄氯化的连串反应动力学模型。

The binding energy and the charge curves for each reaction pathway were analyzed in detail, to validate the optimal reaction mode.

详细分析了不同反应路径的结合能和电荷变化的曲线，预测了最佳反应方式。

BF raceway is an indispensable part of the reaction area to the blast furnace operation, moreover the internal physical and chemical reaction is very complex.

高炉风口回旋区是高炉顺行不可缺少的重要反应区，而且回旋区内部的物理、化学反应十分复杂。

Firstly, 24 chiral Schiff base ligands were prepared and evaluated for theasymmetric HDA reaction between Brassard diene with benzaldehyde. Theresults revealed that the ligand derived from 3,5-di-tert-butylsalicylaldehydewith (1R,2S)-2-amino-1,2-diphenyl-1-ethanol shows an excellent chiralinduction in the reaction.

首先合成了 24 个手性三齿席夫碱配体，并应用于 Brassard 二烯与苯甲醛的不对称 Hetero-Diels-Alder 反应，结果表明，3，5-二叔丁基水杨醛与(1R，2S)-1，2-二苯基-2-氨基-乙醇生成的单席夫碱显示出优秀的手性诱导能力。

The status quo and progress in reaction wetting, reactive brazer, interfacial reaction, joint strength and partial transient liquid-phase bonding were reviewed in this paper.

本文综述了近年来在反应浸润、活性钎料、界面反应、连接强度和部分瞬间液相连接方面的研究现状和进展，指出了有待进一步研究的问题。

The results showed that Candida sp.lipase was the best lipase,the mixture of tert -butanol and DMSO (2∶3,vol) was the most suitable media for the reaction,and the appropriate reaction temperature was 30℃.

的催化活性最好；叔丁醇和DMSO组成的混合溶剂(体积比为2∶3)为最合适的反应介质；30℃为适宜的反应温度。

The quantity of catalyst was equal to 0.6% of feedstocks,the reaction temperature was 78～110 ℃,and the reaction time was 45 min. The test results have shown that H_4SiW_(12-O_(40)/MCM-48 is an excellent catalyst for synthesizing butanone 1,2-propanediol ketal with its yield reaching over 91.9%.

实验表明：H4SiW12O40/MCM-48是合成丁酮-1，2-丙二醇缩酮的良好催化剂，在n∶n(1，2-丙二醇)=1∶1.6，催化剂用量为反应物料总质量的0.6%，环己烷为带水剂，反应时间45 min的优化条件下，丁酮-1，2-丙二醇缩酮的收率可达91.9%。

The adsorption and reaction process of isobutane and butene were investigated by using in-situ IR, Reaction-MS and Adsorption methods.

利用HF酸溶解以及用二氯甲烷进行萃取等方法，对失活催化剂的性质进行了细致的研究。

According to reaction characteristics of producing gasoline with high olefin by Daqing raw material and converting butylene to propylene, MMC-2 and the catalyst for maximizing yield of propylene developed by Lanzhou petro-chemic academe are used to perform trial study considering reaction conditions.

针对大庆催化原料、大庆原料经一段转化生成的高烯烃含量汽油和丁烯转化生成丙烯的反应特点，结合两段工艺技术所能提供的反应条件，选择MMC-2和兰州石化研究院开发的多产丙烯催化剂分别进行实验室的中试评价。

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