反应物

It is focused on the discussion of process parameter such as temperature, reaction period, and substrate concentration in autoxidation of o-nitrotoluene in alkali system, and the yield of o-nitrobenzalhyde is 30% under optimum condition.

论文着重讨论了碱性条件下，氧气氧化邻硝基甲苯的反应，得出了温度、时间、底物浓度、氧气流量等一般工艺参数对反应的影响，得出在较佳条件下，邻硝基苯甲醛的收率可达30％左右。

It is focused on the discussion of process parameter such as temperature, reaction period, and substrate concentration in autoxidation of o-nitrotoluene in alkali system, and the yield of o-nitrobenzalhyde is 30％ under optimum condition.

氧气氧化邻硝基甲苯的反应，得出了温度、时间、底物浓度、氧气流量等一般工艺参数对反应的影响，得出在较佳条件下，邻硝基苯甲醛的收率可达30％左右。

In the reaction of substituted arylamine and sulfuric acid, and utilizes the feature of that said inert organic solvent is easy to form azeotrope with water to continuously deliver the water produced in the couse of reaction from the reactor.

本发明在取代芳胺与硫酸的反应中加入了一种惰性的有机溶剂，如：氯苯，二氯苯，三氯苯，硝基苯等，利用其易与水形成共沸物的特点，将反应生成的水不断地导出反应器。

The effects of substituents on the nucleophilic reaction of benzyl halide and sodium azide were studied.

合成了叠氮苄、对氰基叠氮苄，对氟叠氮苄，对甲基叠氮苄和联苯二叠氮苄，研究了苯环上不同取代基对苄基卤代物与叠氮化钠经亲核取代反应生成苄基叠氮化物的反应的影响。

And 100%, respectively, under optimized reaction conditions. The existence of electron-donating groups on the benzene ring would enhance the activity of phenols.

使用苯酚作反应底物考察了各因素的影响，在优化的反应条件下，苯酚的转化率可达到99.8％，产物苯甲醚的收率高达99.8％。

On the basis of aerobic oxidation ofβ-ionone catalyzed by supported catalysts/butyraldehyde system,a series of cycloolefines such as cyclohexene,β-methylionone,α-ionone,andα-pinene were oxidized under the general conditions to give corresponding epoxides and allylic oxides.

将三种催化体系CMPS-Co_2/正丁醛、Co_2/SiIm-正丁醛、MoO_2_2/SiIm-正丁醛推广应用到不同环烯烃催化氧化反应，虽然各反应底物之间的转化率和氧化选择性变化很大，但对三种催化体系横向比较而言，其催化氧化情况相当。

During capacitation Ca〓 was present on the outer surface of IAM and in the released acrosomal contents.

精子获能前内存Ca〓主要分布于顶体外膜内侧和顶体内膜与核膜之间，并在获能和顶体反应过程被动员利用；顶体反应精子Ca〓分散存在于释放的顶体内容物中和结合于顶体内膜外侧，可能与顶体酶的活性有关；（9）。

This thesis is mainly about the research on the synthesis, structures and reactivity of di-or tri-metal bridging carbene and bridging carbyne complexes

过渡金属桥卡宾和桥卡拜络合物本身即为简单的金属原子簇化合物或是合成金属原子簇化合物的重要前体，在有机合成和烯炔烃的聚合和异构化等催化反应中有广阔的应用前景以及在某些过渡金属参与的反应的机理研究中具有重要的研究价值。

Part 4. The effect of cyclodextrins on the carboxylation of 3H2NA was studiedby HPLC and ESI-MS.

在前面工作的基础上用高效液相色谱和色-质联用进一步研究了环糊精对3H2NA的羧酸化反应的影响，旨在探索提高3H2NA及其类似物反应选择性的一种途径。

In this thesis, it was intended to investigate the role of planar chirality, and to design and synthesize novel ligands.

在前项工作基础上合成一类有效的手性二茂铁配体，拓宽烯丙基化反应的底物或反应类型，为解决这些问题做出我们的一些贡献。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。