催化作用

Conjugated enzyme :An enzyme that contains nonprotein component in addition to the amino acids.

酶的活性中心：酶分子中直接与底物结合，并催化其转变成产物的特定空间区域，是酶发挥催化作用的关键部位。

In diluted H2SO4 and heating at 85℃, the discoloration reaction of xylene cyanol FF oxidized by potassium periodate can be greatly catalyzed by ruthenium. According to this phenomenon, a new method for catalytic kinetic spectrophotometric determination of ruthenium has been developed.

在稀H2SO4介质中及85℃的加热条件下，Ru对高碘酸钾氧化二甲苯蓝FF褪色反应具有显著的催化作用，据此建立了催化动力学光度法测定痕量钌的新方法。

On the basis of catalytic action of iridium on the oxidation reaction of xylene cyanol FF by the potassium periodate in the medium of 0.02mol/L H2SO4 and heating at 95℃, a new catalytic kinetic spectrophotometry for the determination of iridium is established.

在0.02mol/L硫酸介质中及95℃的加热条件下，对高碘酸钾氧化二甲苯蓝FF的褪色反应具有显著催化作用，据此建立了催化动力学光度法测定痕量依的新方法。

Results show that CNTs can catalyze pyrotechnics with potassium perchlorate and potassium nitrate, and the best adding method is water-mixing method.

结果表明，碳纳米管对含两种烟火药剂均具有催化作用，其中以水混法添加的催化剂催化效果最佳。

Based on the nitrite catalyzed oxidation of pyrocatechol violet by potassium bromate, a new catalytic spectrophotometric method for determination of trace nitrite has been developed.

基于在磷酸溶液中，亚硝酸根对溴酸钾氧化邻苯二酚紫的褪色反应具有催化作用，建立了催化光度法测定微量亚硝酸根的新方法。

This promoting effect of the reducible supports has been attributed to the creation of new active sites at metal-support interface which originates from the migration of support suboxide species onto metal surface.

以上研究为了解Cu，γ-Al2O3，MnOx，TiO2共助催化作用的本质和开发性能优良的CO2加氢合成甲醇及二甲醚新的催化体系提供了实验依据和理论依据。

The relationship of the surface structure of the resin and its activity is investigated.

研究了树脂的表面结构特点及其与催化性能的关系，并从树脂催化作用的模式解释在α－位阻脂肪酸酯化中的活性显著大于硫酸的活性。

The effects of shape, size of TiO〓 particles on the photocatalytical properties were studied.

设计了可方便测定量子产率的光解水催化反应装置，考察颗粒形状、大小等因素对光解水制氢催化作用的影响。

Esterification process of a reversible step wereresolved as two irreversible steps,then chemical decomposition of wood components weredecreased in liquid acid catalyst.Experiments showed that crosslinking catalysts took catalysisrole on two process in the esterification,(1)five cyclic anhydrides formed by dehydration ofpolycarboxylic acids,(2)esters occurred by substitution between five cyclic anhydrides andwood.

实验中的反应过程使一般的酯化一步可逆反应，分解为两步不可逆反应，减少了液相酸催化过程的木材组分化学降解；交联反应催化剂对于多元羧酸类化合物与木材组分的酯化反应具有两个过程的催化作用：(1)多元羧酸脱水形成五元环酸酐中间体；(2)木材与五元酸酐中间体亲核取代反应形成酯。

This catalyst SO~(2-)_4/TiO_2-SiO_2 has good catalytic effects on esterificational reactions of ethylic acid and emtrol.

研究了影响SO2-4/TiO2-SiO2催化活性的因素及再生的条件，发现其对醋酸和脂肪醇的酯化反应具有良好的催化作用。

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。