催化作用

Results showed that monobasic alcohol can decrease the micropolarity of β-CD cavity, but the formation constant of pyrene-β-CD inclusion complex is being larger, and polybasie alcohol had the opposite effects.

由于具有不同的尺寸大小的疏水性空腔，cD可与多种化合物形成包络物，已显示出在催化反应，化学仿生学等领域中的重要作用。

Conclusion; Myricetin and quercetin are inhibitors of PI3K, The inhibitory effects against p110β PI3K of myricetin and quercetin are dose-dependent.

杨梅素和槲皮素是PI3K的抑制剂，杨梅素和槲皮素对PI3K p110β催化亚基的抑制作用与浓度成正比关系。

Objective1 To study the effects of myricetin, quercetin and kaempferol on the activity of recombinant human phosphor-inositide 3-kinase (PI3K) p110β subunit.

目的：研究杨梅素、槲皮素和山萘黄素对重组人肌醇磷脂3-激酶(PI3K) p110β催化亚基的直接作用。

During our strategy, two linear amplification approaches are employed, ligase detection reaction and an isothermal amplification (cooperation by DNA polymerase and nicking enzyme).

连接产物由于在DNA聚合酶和限制性内切酶的共同作用下，发生等温扩增反应，扩增出大量的血红素的适配子，适配子与血红素结合，形成的复合物催化鲁米诺和双氧水的化学反应。

Can induce the reaction of cleavage H atom from methyl on the ring of deactivated toluenes,such as nitrotoluene. The carbanions caused by base are the very important reaction intermediums, which determined the reaction rate and reaction effect.

该反应体系中，NaOH的加入对此催化反应起着相当关键的作用，研究表明强碱也能像温度一样促进苯环卜甲基的摘氢速度，使底物形成相应的硝基苯甲基阴离子，稳定的硝基苯甲基阴离子是氧化反应进行的重要中间体。

The enzyme catalyzed-reaction was initiated by the addition of the buffer solution containing nonfluorescent substrates ADHP and H_2O_2 to the vessel.

细胞在微池内经过冻融、超声振荡和低渗溶液作用溶解，细胞内PO均匀分散到溶液内，催化溶液中ADHP与H_2O_2反应生成试卤灵。

After annealing at higher temperatures (higher than 900 ℃),the structure of TiO 2 thin film changed into rutile completely;the TiO 2 grain changed from column to nubbly.

锐钛矿相TiO2 薄膜，在紫外线作用下可以实现有机物的光催化降解，在环境保护污染治理等方面有着广阔

The pilot plant test of olefinic light gasoline was conducted based on the resultsfrom the small-scale test.

对于开发催化裂化轻汽油醚化工艺具有一定的指导作用。

In order to increase the practical application of this waster water treating technology, in this text, we tried to improvement the feasible on economy and technology from preparation of photocatalysists, design of reactor and the influence of different reaction conditions etc.A P25 TiO2 film supported on UV light surface was prepared using sol-gel method at 200℃ calcinations temperature, and the photocatalyst has shown a good stability and performance for the photodegradation of orthocresol solution irradiated with UV light of 254nm, when reaction for 30min, the photodegradation still more then 85%.

为了更快地将这种处理技术用于大规模生产当中，本文以焦化废水中的邻甲酚作为目标污染物，试图从催化剂薄膜的制备、反应器的设计、反应条件的影响等各方面来深入研究TiO_2膜催化剂的催化降解作用以便促进提高其实际应用中的经济技术可行性。

A modified γ-Al〓O〓 was prepared by a special precipitation method with aluminum nitrate solution containing a certain amounts of orthosilicic acid and ammonia aqueous solution. Compared with commercial γ-Al〓O〓, the modified γ-Al〓O〓 was an effecient catalyst for dehydration of tetrahydrofurfuryl alcohol to dihydropyran. The results revealed that the strong acid sites on the surface of the catalyst may play a crucial role in this reaction.

并以硝酸铝和氨水为原料，用沉淀法制备出一种高比表面和拥有较多强酸中心的γ-Al〓O〓，它在四氢糠醇开环脱水制备二氢吡喃的反应中有优良的催化活性，通过比较此γ-Al〓O〓和普通商业γ-Al〓O〓的Py-TPD图，发现强酸中心在制备二氢吡喃的反应中可能具有关键的作用。

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。