催化的

Therefore,we try to directly couple the endothermic reaction of long chain alkane dehydrogenation with the exothermic reaction of methane catalytic combustion by using the metallic monolithic catalysts,which highly miniaturizes reactor size and significantly increases heat efficiency.

因此，本文以长链烷烃脱氢和甲烷催化燃烧为模型反应体系，利用金属基整体式催化剂将上述吸热与放热催化反应直接进行热耦合，以期实现工艺过程的高度集成并提高热利用效率。

Aromatic hydrocarbons could be selectively nitrated with nitrogen dioxide in the presence of MIPs. MIPs were characterized by means of modern analyses. And such successes stem from combination of factors involved in this type of heterogeneous catalysis.

采用现代分析方法对MIPs进行表征，并将MIPs在催化芳烃硝化反应中表现的催化活性和区域选择性与其结构相联系。

By coupling photocatalytic process with membrane separation technology, the removal efficiency of Direct Black 168 (100 mg/L) was improved obviously, being 52% within 400 min, while the values were 20% and 35% with membrane separation alone or photocatalysis alone during the same time, respectively.

以染料直接黑168作为模型污染物(100 mg/L)，实验运行400 min后，通过光催化和膜分离耦合技术，染料的去除达到52％以上，对比单独膜分离(20％)及单独光催化(35％)操作明显提高。

By coupling photocatalytic process with membrane separation technology, the removal efficiency of Direct Black 168 (100 mg/L) was improved obviously, being 52% within 400 min, while the values were 20% and 35% with membrane separation alone or photocatalysis alone during the same time, respectively.

以染料直接黑168作为模型污染物(100 mg/L)，实验运行400 min后，通过光催化pet薄膜和膜分离耦合技术，染料的去除达到52％以上，对比单独膜分离(20％)及单独光催化(35％)操作明显提高。

Progress in a variety of catalytic systems-catalyzed dimerizations of terminal alkynes to synthesize enynes is summarized.

综述了不同催化体系催化末端炔烃二聚反应合成共轭烯炔化合物的研究进展。

In order to study the effect of PPh_2 group in the application of chiral ligands 4, 5, 7 and 8 to asymmetric reactions, two ferrocenyl amino alcohols 9a and 9b were Scheme 3 synthesized from chiral amino alcohol derived imines 3 (Scheme 3) and applied in the same asymmetric reactions.

为了探讨二苯氧膦基在配体参与不对称催化反应时对其催化活性和选择性的影响，合成了两个手性二茂铁基氨基醇配体9a和9b(Scheme 3)。

Light straight run gasoline, lower-boiling range distillates and other non-hydrotreated fuels ("sour stocks") contain sulfur compounds such as mercaptans, that must be removed ("extraction/sweetening") to avoid problems with odor and corrosion, or prior to catalytic reforming and catalytic alkylation processes.

轻质直馏汽油、低沸点蒸馏油和其它未经加氢处理过的燃油含有硫醇类硫化物，须采取措施将其去除以免引起异嗅或腐蚀问题，或者须在催化重整和催化烷基化反应工序之前将其脱除以避免毒化催化剂。

The photocatalytic activity of samples on the decomposition of methyl blue under UV irradiation was discussed.

考察了其催化降解甲基蓝实验中的光催化活性和杀菌性能。

A new flow injection-catalytic spectrophotometric method has been developed for the determination of nitrite based on oxidation decoloration of Victoria blue B with potassium bromate in phosphoric acid medivm.

以亚硝酸根催化溴酸钾在磷酸介质中氧化维多利亚天蓝B褪色为指示反应，建立了反相流动注射催化光度法测定痕量亚硝酸根的新方法。

Firstly SiO2 Sols were obtained by NH3H2O catalysis, or by HCl and NH3H2O catalysis in succession.

以NH3H2O催化和HCl与NH3H2O分步催化分别制备了胶粒带负电荷的SiO2溶胶。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！