作用中心

At first by reaction of TiCl〓 with β-diketone (acac: acetylacetone, facac: 1, 1, 1-trifluoroacetylacetone) ligand to yield two kinds of Ti (β-diketone)〓Cl〓, then they are complexed proportionally with Co 〓 or Ni 〓 through different method to get two-metal catalyst precursors.

另外采用具有不同性能两种或多种金属催化剂复合制得催化剂，使其具有多活性中心的综合性能，发挥各金属活性中心的协同作用，已经在聚烯烃的研究工作中深入开展。

As the central metal transfers chiral induction of the diol to the reaction site, it wascalled "chirality transferring center".

中心金属在其中发挥了传递手性诱导信息的作用，实现了利用金属试剂为"手性转移中心"的初始构想。

The purposes of the study were to investigate: the relationship between adolescent egocentrism and delinquency; the relationship between self-control and delinquency; whether self-control suppresses the relationship between adolescent egocentrism and delinquency.

中文摘要本研究之目的为探求：（1）青少年自我中心与偏差行为之关联。（2）自我控制与偏差行为之关联。（3）自我控制对青少年自我中心与偏差行为的关联性是否具有压抑作用。

Finally, the particular way that puts forward to change structure of economy of library area n duality is to strengthen the economy of city of library area center and week exclosure area to contact, play center city moves action to the belt of library area, implementation city industry and rustic industry interact and industrialization and city are changed interactive.

最后 ，提出改变库区二元经济结构的具体途径是加强库区中心城市与周围地区的经济联系，发挥中心城市对库区的带动作用，实现城市工业与乡村工业互动和工业化与城市化互动。

Although Shanghai had become an industry centre in 1930's, the high rent for ground, high commodity prices and high wages made industry have to be moved to other places.

到本世纪30年代，上海已发展成为全国的工业中心，但上海的地皮贵，物价高，工资高，这就决定了上海工业的工资成本重，在经济规律的作用下，上海的工业便向其周边地区作梯度转移，苏南地区由于运输成本、工资成本都明显地低于上海，更加水源清洁等客观因素，使得苏南地区成为上海工业作梯度转移的首选地区，形成了以常州、无锡、苏州为中心的新的工业区，现代工业在苏南大地崛起了。

Under the double circumstances of the world trade center's transfer to the Northeast Asia and vitalizing the northeastern traditional industrial base, the central antherities poses the strategy that Dalian will be constructed the Northeast Asia important international shipping center . It is the need of the speeding up the strategy of country development and vitalizing the northeastern traditional industrial base and the mission facing the cooperation and compertition of the regional economy of the Northeast Asia, namely Dalian will be first joined in the economic circle of the Northeast Asia and take magistral effect .

在世界贸易中心向东北亚转移和国内振兴东北老工业基地的双重背景下，中央提出将大连建设成为东北亚重要的国际航运中心，这是加快实现国家发展战略，推动东北老工业基地振兴的需要，同时也是面向东北亚区域经济的融合与竞争，赋予大连的重要发展使命——率先融入东北亚经济圈并发挥主导作用。

The Centre for Chinese Business and Management Studies is a centre of excellence for th...

对于中国工商管理研究中心是一个卓越的外国企业在中国的经济发展中的作用研究中心。

The Centre for Chinese Business and Management Studies is a centre of excellence for the study of the role of foreign business in China's economic development.

对于中国工商管理研究中心是一个卓越的外国企业在中国的经济发展中的作用研究中心。

The center will op-erate based on market economic mechanism;give full play to High-Tec enterprise's guiding role to promote the eco-nomic development and social progress both Heilongjiang province and ocher part of China.

焊接材料及产品检验等二十多个实验室，为中心提供全方位的技术服务。该中心按市场经济机制运行，充分发挥高新技术企业的先导作用，为黑龙江省及全国各地的经济发展和社会进步服务。

Third should be noted that, with the Shanghai Urban Construction, and the whole process to expand rapidly, we find that Central has been a lot of plot and central urban area to enjoy the same market treatment, that is, said that if in accordance with the Inner Ring to determine likely this situation will disappear, to separate the role of Central Link in strengthening the future, may be opened in the Link, but Link with many special sections, and the Inner Ring of them the ordinary price of the lot may be will be separated, so that we can explain the Central Link which is now the emergence of a large number of more than 9000 pieces, nearly 10,000 of the sale price, there is a product itself, a good product is always in support of our prices.

第三方应当指出的是，与上海城市建设，整个过程迅速扩大，我们发现，中央一直是很多情节和中部城市地区享有同样的市场待遇，那就是，他说，如果按照内环，以确定这种情况可能会消失，分开的作用的中心环节加强未来，可能是打开了该链接，但链接有许多特殊的部分，以及内环线，其中普通价格该地段可将分离，以使我们能够解释的中心环节，而现在出现了大量的超过9000件，将近一万个的销售价格，有一个产品，一个好产品永远是支持我们的价格。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。