催化的

The procedure of benzal chloride and benzylchloride was obtained by chlorination toluene, then through catalytic acidic hydrolysis and oxidation, produced benzaldehyde.

本文研究了甲苯氯化得到苄叉二氯和氯化苄混合物，然后经催化酸解氧化制备苯甲醛，并探讨了氯化催化酸解及氧化的反应条件。

Catalytic oxidation of benzoin to benzil by molecular oxygen using metal oxide supported on activated charcol, silcon oxide, activated aluminum oxide and obsorbe resin as catalyst at atmosphere pressure was studied.

考察了几种常用载体负载金属氧化物催化分子氧氧化苯偶姻制备苯偶酰的性能，发现氧化铁/三氧化二铝催化活性较高，稳定性较好。

Based on studies of RCM reaction of 50 and CM reaction ofacrylonitrile with 1-octene or 1-decene catalyzed by pyridine derivative-coordinatedruthenium benzylidene complexes, it can be concluded that ruthenium benzylidene complexwith the more labile dissociating ligand exhibits the higher initial activity and better catalyticperformance.

吡啶衍生物配位的钌卡宾配合物催化含氰基烯烃50闭环交互置换反应和丙烯腈与1-辛烯、1-癸烯交叉交互置换反应表明，催化剂中吡啶衍生物配体越易解离，其初活性越高，催化活性越好。

Boronic acids as catalyst will be widely used in organic synthesis for its effective activity, mild conditions and many times reusable.

硼酸催化剂因具有催化效率高、反应条件温和、可重复使用等优点，必将在有机合成催化领域中得到更广泛的应用。

Novel sodium 2-2-(alkylaryloxy-alkylamidoethanesulfonates (m+nAr-T, m, n: carbon numbers; Ar: aromatic nucleus; T: taurine) with high purity were synthesized through bromization, esterification, Fries rearrangement, Pd-catalyzed hydrogenation, Williamson reaction, and acylation, et al, using carboxylic acid, phenol and taurine as starting materials. The structures and purities were characterized.

以羧酸、苯酚和牛磺酸为原料，通过溴代反应、酯化反应、Fries重排反应、催化氢化反应、Williamson反应以及催化酰胺化反应等过程，首次成功合成并表征了系列结构明确的高纯度N-酰基牛磺酸钠(m+nAr-T，m、n为烷基链碳数，Ar为芳环，T表示taurine)。

Hyaluronate lyase, which catalyses the degradation of hyaluronic acid, has been described from several pathogenic streptococcal species.

催化透明质酸降解的透明质酸裂解酶透明质酸催化裂解酶在几种病原链球菌中已被描述。

Catalytic oxidation of styrene with aqueous hydrogen peroxide (ω=26%) indicates that Mo-MCM- 48 is catalytically active.

苯乙烯催化氧化结果表明Mo-MCM-48具有一定的催化氧化活性。

Studies on the novel catalytic materials used in catalytic oxidation of cyclopentene to glutaraldehydeKeywords: Cyclopentene,Catalytic oxidation,Glutaraldehyde,Mesoporous zeolite,Titania,Spheroi

环戊烯合成戊二醛催化新材料的研究关键词：环戊烯，催化氧化，戊二醛，介孔分子筛，二氧化钛，微

It is found that the indirect electroreduction of maleic acid to butane diacid was achieved by Ti~/Ti~ redox system on the nanocrystalline TiO2 film surface, the electrode reaction mechanism is the called catalytic mechanism.

其中TiO_2/Ti_2O_3电对对马来酸具有异相电催化还原活性，纳米TiO_2膜中的Ti~/Ti~氧化还原电对作为媒质间接电还原马来酸为丁二酸，反应机理为电化学偶联随后化学催化反应机理。

The method is based on the catalyzing effect of manganeseon oxidation of arsenazoⅢby potassium periodate in HAc-NaAc medium and in the presence of Tween-80 as an en- hanced agent and 1,10-phenanthroline as an activator.

研究了以表面活性剂吐温-80为增敏剂，在HAc-NaAc介质中1，10-邻菲罗啉存在下，痕量锰催化高碘酸钾氧化偶氮胂Ⅲ的催化动力学光度法。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。