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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。

At the same time ,on the condition of different value of pH (substrates: benzidine and a-naphthol), catalytic reaction reveal distinct results as well.

接着进行了pH梯度实验，发现不同pH条件下，DNA和辣根过氧化物酶也表现不同之处。

The ionic liquid [C_(12H_(25)_2-bim]Br was used as catalyst in the reaction of synthesizing the derivatives of benzil from aromatic aldehydes, which showed better catalytic effect, mild reaction conditions and higher yield.

利用合成的离子液体[C_(12H_(25)_2-bim]Br做催化剂，催化由芳醛合成偶酰的反应，催化效果较好，反应条件温和，产率较高。

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。

The result indicates that the naphthalin ring in Naphthol green B molecule is degraded as organic acid and benzoquinone, and further becomes inorganic substances by chlorine dioxide direct oxidation and catalytic oxidation so that the ability to biology treatment of the difficulty degradation wastewater is improved, which is good for the further treatment.

结果表明，萘酚绿经化学氧化和催化氧化后，分子中萘环被氧化降解为羧酸和萘醌，并进一步降解为无机物，提高了废水的可生化性，为难降解废水的后续处理创造了条件。

The result indicates that the benzene ring and naphthalin ring in the eriochrome black T molecule is degraded to organic acid and benzoquinone, and further becomes inorganic substances by chlorine dioxide direct oxidation and catalytic oxidation, which is good for the further treatment of the refractory bio-degradation wastewater.

结果表明，铬黑T经化学氧化和催化氧化后，分子中苯环和萘环被氧化分解为羧酸和苯醌，并进一步分解为无机物，为难降解废水的后续处理创造了条件。

The experiments also show that adding NaHSO3 into the reaction liquid of hydroxylation reaction can inhibit the catalytic effect of benzoquinone and residual catalyst on the phenolic tars formation caused by oxo-condensation of the diphenols and therefore reduce the tars formation of the diphenols in the reaction solution.

在羟基化反应液中加入亚硫酸氢钠可以抑制对苯醌和残留催化剂对苯二酚氧化缩合生成焦油的催化作用，从而减少了反应液中苯二酚的生焦反应。

The catalytic activity and selectivity for hydrodesulfurization and hydrodenitrogenation were studied by using benzothiophene, dibenzothiophene and quinoline as model compounds.

在N2-H2下，利用程序升温还原氮化反应制备氧化铝负载的β-Mo2N0.78催化剂，并以苯并噻吩、二苯并噻吩和喹啉为模型化合物，考察该催化剂的加氢脱硫、加氢脱氮活性和选择性。

This paper studied the catalytic transformation performances of hydrocarbon model compounds (such as n-Hexane,cyclohexane,1-Hexene) and sulfur-containing model compounds (such as thiophene,3-methylthiophene and benzothiophene) on ZSM-5 catalysts.

以正己烷、环己烷、1-己烯3种烃类和噻吩、3-甲基噻吩和苯并噻吩三种硫化物为模型化合物，考察了烃及含硫模型化合物在ZSM-5分子筛催化剂上的催化转化性能。

Experimental results show that the incorporation of appropriate amounts of Al~2O~3 into SO~4^2^-/ZrO~2, SO~4^2^-/TiO~2 and SO~4^2^-/Fe~2O~3 is helpful for stabilizing the sulfur species and increasing the effective acid sites on the catalyst surfaces, which can improve the strong acidity and catalytic activity in benzoylation.

实验表明，向SO~4^2^-/ZrO~2，SO~4^2^-/TiO~2和SO~4^2^-/Fe~2O~3中引入适量的Al~2O~3，有助于稳定样品表面的含硫物种，增加样品表面的有效酸位，提高样品的强酸性和对甲苯的苯甲酰化的反应活性。

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。