转化率

Quantum chemical method was employed to investigate the mechanism of the reaction catalyzed by acid.

在此条件下环己酮的转化率和主产物2-羟甲基-1，4-二氧杂螺环[4， 5]癸烷的选择性分别为99.5%和98.5%。

These reactions catalyzing oxidation of alcohol- OH groups have high yield and selectivity.

使用的催化剂对醇羟基的氧化具有高度的选择性并有很高的转化率。

The results show that the technological process is a simple method of preparation of complex amino-acids and trace elements chelates.

研究表明，按本工艺，蛋白原料水解为氨基酸的转化率高，且氨基酸的种类齐全。

Then,the seed-emulsion was respectively copolymerized with many kinds of acrylates to form the excellent silicon-acralyte emulsions.

探讨了乳化剂加入量、种子乳液量、乙烯基硅含量(Vi-D4用量)、活性物含量等因素对硅-丙乳液转化率和接枝率以及乳胶粒形貌和乳液粒径分布的影响。

And good recycle activity and retained enatioselectivity for acetophenone were obtained for the sixth run (93%; 95%ee) while the water was degassed and the reaction was conducted under argon.

当反应使用脱气蒸馏水，在氩气保护下进行时，催化剂第六次使用，转化率仍高达93％，对映选择性一直保持不变（95％ee）。

In this dissertation, the degreased rice bran extrusion processing had been studied by single factor and the multi-factors experiments in order to obtain the maximum SDF conversion rate .

以脱脂米糠为原料，运用挤压加工技术，以较大的SDF转化率和最好的IDF吸水力和膨胀力作为指标，进行了正交试验研究，确定了最优工艺参数组合：物料含水量25％，挤压温度140℃、螺杆转速 150r／min。

N-(2-hydroxyethyl)-glucamine was dehydrogenated to 6-(2-droxyethyl) amino-6-deoxy-a-L-sorbofiuanose the key intermediate of miglitol by the resting cells of Gluconobater oxydans Gouv2007 through aeration. 6-(2-Droxyethyl) amino-6-deoxy-a-L-sorbofiuanose was hydrogenated catalyticlly to miglitol. In the transformation of N-(2-hydroxyethyl)-glucamine to miglitol, the transformation rate was 77.3%.

氧化葡萄糖酸杆菌Gouv2007的静息细胞在通气下氧化N-羟乙基葡糖胺脱氢生成米格列醇的前体物质6-脱氧－6-羟乙基氨基－α-L-呋喃山梨糖，再催化加氢生成米格列醇，对从N-羟乙基葡糖胺生成米格列醇的底物转化率为77.3%。

On the basis of the thermodynamic analysis, the equilibrated concentration of the components, the conversion of CO and the selectivity of DME in the different pressure and temperature have been studied. The feed gas is come from coal and natural gas.

在此基础上，研究了以煤或渣油为原料制得的合成气、以天然气为原料制得的合成气在不同压力、温度下的平衡组成、CO的平衡转化率及该操作条件下的二甲醚与甲醇的平衡选择性。

Meanwhile, the equilibrated conversion of CO and the selectivity of DME would be hemmed in the chemical equilibrium even if in agreeable reaction condition

同时，对合成气直接制二甲醚与甲醇的反应，即使是理想的反应条件，CO的平衡转化率与二甲醚的平衡选择性也要受到化学平衡的限制，不可能超越化学平衡。

In the step of esterification, dehydration of boric acid and then esterifying with phenol were carried out in order to increase conversion of esterification. Effect of reaction temperature, consumption of boric acid, kinds and consumption of dehydrolating agent on the yield of esterification was studied. The experimental results showed that high conversion of 98% of esterification was obtained.

本实验将酯化反应分解为脱水反应步骤和酯化反应步骤，以便提高酯化反应收率，同时，考察了反应温度、硼酸用量、带水剂种类及用量对酯化反应收率的影响，实验结果表明，该步反应条件简便易操作，反应转化率达98%。

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。