转化率

It is possible to achieve the conversion of allyl chloride and selectivity for epichiorohydrin as high as 99% on Ti-MWW.

在Ti-MWW催化剂上烯丙基氯的转化率和环氧氯丙烷的选择性都能达到99%以上。

Adding methanol to the reaction system could enhance the conversion of HDA and the yield of HDU-M notably. So the ammonolysis was apt to the SN1 scheme.

反应体系中引入甲醇溶剂可显著提高反应的转化率及选择性，认为DMC胺解过程更倾向于按 SN1机制进行。

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 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%。

In order to improve the efficiency of the system, we use anisole/toluene/ TBP as the solvent, in which the concentration of EAHQ is improved to 1.0 mol/L during the recycles of EAQ/EAHQ redox system.

二甲苯／TBP N门，体积比）溶剂中，EAHQ的饱和浓度为 0石2 mol几，用于丙烯环氧化时丙烯相对于 EAHQ的转化率为 96％，生成环氧丙烷的选择性为 88％。

The mathematical equation of dependence of anolyte volume on fractional conversion, the expression of reaction rate, and the macro-kinetic model were established, and the macro-kinetic parameters were calculated.

建立了阳极液体积随转化率变化的数学方程、反应速率表达式和宏观动力学模型，确定了宏观动力学参数。

The kinetic data such as anolyte volume, fractional conversion, etc., were experimentally measured at different reaction times, different temperatures and different initial anolyte concentrations.

实验测得不同温度、不同初始阳极液浓度、不同反应时间下阳极液体积、转化率等宏观动力学数据。

The cyclodextrin improves the catalytic reduction efficiency of yeast juice, increases the stereo selectivity for bottom object, improves evidently thepercent conversion of bottom object and the antipode excess value of outcome.

环糊精提高了酵母液的催化还原效率，同时增加了对底物的立体选择性，明显提高了底物的转化率和产物的对映体过量值。

When bottom object concentration is 6-12g/L, different mole ratio cyclodextrin is added according to different bottom object, the percent conversion of bottom object aromatic ketone is 50-99and antipode excess value of outcome optically active alcohol is 75-99D:工作文件发明补译2433biba_补13_sunquansheng(100件)2433biba_补13_sunquansheng(100件).txto the product incorporating the invention has high practical application worthiness.

利用本发明在底物浓度为6～12g/L时，环糊精用量根据底物的不同选择不同的摩尔比加入，此时底物芳香酮的转化率为50％～99％，产物光学活性醇的对映体过量值为75％～99％，具有较高的实际应用价值。

The effect of catayst surface structure on methane aromatization was characterized by using NH 3 TPD and XRD.

结果表明，适量引入Co 助剂可显著提高甲烷的转化率和芳烃收率，降低焦炭的生成，提高催化剂的稳定性。

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。

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。