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PECH based PUs showed higher phase separation than that of PPG base PUs owing to that the -Cl groups in PECH reduced the flexibility of molecule chain and hindered the formation of hydrogen bonds between ether groups in soft segments and -NH groups in hard segments. As a result, PECH based PUs have lower free volume content, diffusion coefficient and equilibrium adsorption of CO〓, benzene and ethanol through them than through PPG based PUs.

聚环氧氯丙烷醚聚氨酯的氯基降低了链段柔性，妨碍了软段中醚基与硬段中氨基的氢键作用，导致其相分离程度较聚环氧丙烷醚聚氨酯大，并使CO〓、苯和乙醇蒸汽在聚环氧氯丙烷醚聚氨酯中的渗透系数和扩散系数较聚环氧丙烷醚聚氨酯小，而偏离费克扩散的程度大。

A hydrogenation catalyst contained Co-Mo-Ni active component was used for preparation of pentane with the raffinate of 5-carbon fraction from steam cracking as the raw material.

对活性成分为Co-Mo-Ni的LY-9702加氢催化剂催化蒸汽裂解抽余C5馏分(含60％左右的C5烯烃)制戊烷的工艺条件进行了试验研究。

The adsorption capacity of microcrystalline phenolphthalein was found to be 23.5 mg/g for Co.

微晶酚酞对Co的吸附容量为23.5mg／g；富集因数可达200倍，回收率在97.6％以上，RSD为1.1％～2.3％。

From SEM photomicrograph, it was deduced that the glassy transition temperature of the PS was lowered to between 60-70℃ from 97℃ due to the plasticization of the sorbed CO〓.

经扫描电镜分析，推断在本实验条件下因CO〓对聚苯乙烯的增塑作用。

CO was an important gene involved in the photoperiod pathway controlling plant flowering time.

CO是植物开花时间光周期调控途径中的一个重要基因。

The recent development in the toughening and plasticization of poly or poly(hydroxybutyrate-co-hydroxybutyvalerate) was reviewed.

总结了近年来国内外关于聚羟基丁酸酯和聚羟基丁酸酯-co-羟基戊酸酯共聚物在增韧和增塑改性方面的研究进展。

However, compared with pollen germination, pollen tube growth was relatively insensitive to verapamil and Co〓.

与花粉萌发相比，花粉管生长对Verapamil和Co〓相对不敏感。

Yet, the suspensions and closures are likely to have a much bigger impact on the region around Beijing, including major companies such as Beijing Eastern Petrochemical Co., China's largest manufacturer of polyvinyl acetate.

然而，关停措施可能会对北京周边地区的经济产生较大的影响，诸如北京东方石油化工有限公司(Beijing Eastern Petrochemical Co。)之类的大型企也会受到牵连。

Yet, the suspensions and closures are likely to have a much bigger impact on the region around Beijing, including major companies such as Beijing Eastern Petrochemical Co., Chinas largest manufacturer of polyvinyl acetate.

然而，关停措施可能会对北京周边地区的经济产生较大的影响，诸如北京东方石油化工有限公司(Beijing Eastern Petrochemical Co。)之类的大型企也会受到牵连。

Chinese food producer Bright Food Group Co.

中国食品生产商光明食品有限公司Bright Food Group Co。

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。