对齐

Octylene was synthesized via tetramerization of ethylene at the presence of a catalyst system consisted of chromium acaet as primary catalyst, methylaluminoxane as cocatalyst, bis amine as ligand under high pressure. The effects of different PNP ligands on catalyst activity and selectivity to 1-octene were investigated.

在乙酰丙酮铬、甲基铝氧烷、配体三元催化体系中，以乙烯为原料在高压下齐聚生成1-辛烯，主要考察N原子上取代基不同的PNP配体对催化剂活性及1-辛烯选择性的影响。

Like MRA, CTA is useful when carotid duplex is ambiguous, permitting isualization of aortic arch or high bifurcation pathology, reliable differentiation of total and subtotal occlusion, assessment of ostial and tandem

CTA能够使主动脉弓和高位颈动脉分叉显影，可靠区分全部和部分血管闭塞，评估开口和串联性狭窄，而且能够对心律不齐，瓣膜性心脏病，心肌病患者的颈动脉疾病进行评价。

During his lifetime the saint was forced to enter several literary disputes on account of his works on moral theology; his chief adversaries were Concina and Patuzzi, both of the Dominican Order, and champions of Probabiliorism.

在他的一生中圣被迫进入几个文学纠纷，就到他的作品中对道德神学，他的首席对手的人孔奇纳和帕图齐，两者均多米尼加秩序，并冠军probabiliorism 。

New adapters is accessible also the pair of 24 - and 120- pronged connector.

新的适配器是方便，也是对24 -1 20-三管齐下的连接器。

EFFECT OF TEMPLATE CONCENTRATION ON PROPENE OLIGOMERIZATION REACTION

模板剂用量对丙烯齐聚反应的影响

The riparian forests in the Ergis River area,composed of Salicaceae species,are important for the maintenance of the eco-environment and the promotion of sustainable development of local agriculture,stockbreeding and the social economy in the northern desert region of Xinjiang Uygur Autonomous Region.

额尔齐斯河河岸以杨柳科树种为建群种的天然林对维护新疆北部荒漠区生态环境、促进当地农牧业及社会经济的持续发展起着重要作用。

Advances in ethylene selective trimerization catalysts, especially composition, activity and cost of trimerization catalysts and their overall selectivity to 1-hexene.

对乙烯选择性三聚反应进行了论述，着重分析了催化剂的组成、活性、成本和1-己烯的总选择性，并展望了烯烃选择性齐聚反应的发展。

By way of eight experiments and statistical analysis of loads of overhead crane in actual usese, we have got that the lifing load is stationary, normal and homogeneous Poisson, and got distribution function of lifting load, the load spectrum factor, the rain-flow counting results of stresses and statistical results of location of the trolly, that will provide a large number of datas for reliabilitic design of overhead crane.

通过对八台桥式起重机现场使用载荷的实测试验与统计分析，得出桥式起重机吊重载荷的平稳性、正态性、齐次泊松性、幅值分布、载荷谱系数，以及应力的雨流计数结果、小车位移分布等，为桥式起重机可靠性设计提供了大量的统计数据。

Mr Sarkozy is unworried by France's tradition of double mandates—he is letting ministers stand for mayorships next March.

萨科齐对法国的双重管制权的惯例并无任何担忧，他将在明年三月开启国家部长竞选城市市长的制度。

Objective To develop a method for the determination of oleanolic acid and ursolic acid in different batches of Fructus ligustric lucidi.

目的 对女贞子中的齐墩果酸和熊果酸进行含量测定，为女贞子药材的质量评价提供科学依据。

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。