芳芳

ZSM-5 molecular sieve was widely used as catalysts for aromatization, catalytic cracking and isomerization.

ZSM-5分子筛是应用广泛的催化体系，常用于烷烃的芳构化、催化裂化及异构化。

Aromatization occurs due to heating of device, where capsule with the perfume essence is located.

芳发生因加热装置，在那里胶囊香水精髓所在。

After intensive efforts from some catalytic research groups worldwide for about 10 years, many encouraging progress in terms of methane activation and aromatization mechanism have been achieved.

经过近十年的研究探索，在甲烷活化、芳构化机理方面均已取得了重要的成果，并形成了一些主要的观点。

Weight ratio of water to oil ; weight ratio of catalyst to oil ; aromatization ; FCC gasoline

水油比；剂油比；芳构化；催化裂化汽油

It shows that there are cracking and aromatization reactions of C2,C3and C4 hydrocarbons,but no conversion of methane is found.

结果表明，在不同催化剂上，都会发生C2～C4烃的裂解和芳构化反应，但没有观察到甲烷的转化。

Likewise the aromatization of testosterone to estradiol may be beneficial in preventing a more dramatic change in serum cholesterol due to the presence of the hormone.

同样的芳构化的睾丸激素以雌二醇可能有利于防止更多的戏剧性变化血清胆固醇因激素。

This was attributed to its low acidity, which suppressed the aromatization and cracking reactions. Moreover, the olefin content in gasoline was significantly increased.

而且产物组成中烯烃的含量有明显上升，因此汽油的辛烷值仍能保持在较高的水平，没有因芳烃含量减少而降低。

The catalytic performances of prepared zeolite as catalysts for propane aromatization were investigated on a fixed-bed micro-reactor.

具有与苯分子动态直径相近的ZSM-5分子筛具有较高的烷烃转化率和芳烃选择性。

It was found that this polymeric arsine palladium(0) complex is a highly active and stereoselective catalyst for arylation of styrene or acrylic acid.

通过用水合肼对上述聚硅氧烷负载的单齿胂钯配合物进行还原制备了聚硅氧烷负载的单齿胂钯(0)配合物，研究表明它是苯乙烯、丙烯酸芳基化反应的高活性和高立体选择性的催化剂。

Moreover, the polymeric arsine palladium(0) complex is an efficient catalyst for the carbonyl allylation of aldehydes and the coupling reaction of aryl halides with terminal alkynes or Grignard reagent.

该聚合物负载的胂钯(0)配合物还是醛的羰基烯丙基化及芳基卤化物与端炔、Grignard试剂的交叉偶联反应的有效催化剂。

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。