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Developed in 1990's, the distorted wave Born approximation methodwhich deal with the problem of three bodies of interaction in the collision betweenelectron and atom provide the theoretical criterion to calculate the tripledifferential cross section of the (e,2e) reaction.

二十世纪九十年代发展起来的处理电子—原子碰撞三体相互作用问题的畸变波玻恩近似方法，为计算原子的(e，2e)反应的三重微分截面提供了理论标准。

It shows that some organic liquids, which have higher dielectric constant, small viscosity, and methyl group bound directly with high negative charge atom, are appropriate carbon source for deposition DLC films.

介电常数比较高的、粘度小的、甲基基团直接与极性基团连接的有机介质是合适的液相沉积类金刚石薄膜的碳源。

Thus, in 1967, SI adopted a more precise definition based on the frequency of the radiation a caesium atom emits when it flips between two energy states.

所以，在1967年，SI采用了一个更为精确的制定办法，该办法基于一个铯原子在两个能级之间跃迁时的辐射频率。

In this period,the Cavendish made known and became the atom physics center in the world.

在此期间，卡文迪什走向世界，成为世界原子物理学中心。

The activation energy of cellular decomposition calculated by DSC date was 88.24kJ/mol, which showed that the decomposition was controlled by Zn atom diffusion.

DSC数据计算得出，胞状分解的相变激活能为88.24kJ/mol，表明其分解主要受锌原子扩散控制。

A number of electrons revolving around a center of force constitutes an atom; atoms unite in absolutely regular mathematical ratios and form molecules, and these unite with each other to form a multitude of compounds which unite to build the Universe.

许多电子围绕一个能量的核心旋转，就构成了原子；原子按照一定的数学比例组合，就形成了分子；这些分子相互联合，就形成了许多化合物；这些化合物又构成了整个宇宙。

Some scientists estimate that the chemical is 50 times more destructive to the ozone layer per atom than are CFCs.

有些科学家预测，美丽这种化学物质多臭氧层的破坏效果要比CFCs严重50倍。

The advantage of supercritical carbon dioxide used as an environmental medium in polymerization and reactions in supercritical carbon dioxide are described. It includes homogeneous free radical polymerizations, precipitation free radical polymerizations, dispersion free radical polymerizations, emulsion and inverse emulsion free radical polymerizations, cationic polymerizations, ring-opening polymerization, melt-phase condensation polymerizations, sol-gel polymerizations, polymer blend synthesis, catalytic chain transfer polymerizations, oxidative coupling polymerization, nitroxide-mediated radical dispersion, atom-transfer radical polymerization, reversible addition-fragmentation chain transfer polymerization, electrochemical polymerization, simultaneous one-pot combination of enzymatic and chemical polymerization, copolymerization of carbon dioxide used as monomer.

评述了ScCO2作为聚合反应介质的优点，以及在ScCO2中可进行的聚合反应类型，包括均相聚合、沉淀聚合、分散聚合、乳液及反相乳液聚合、阳离子聚合、开环聚合、熔融态缩聚、溶液-凝胶聚合、聚合物混合合成、链催化转移聚合、氧化-偶合反应聚合、氮氧自由基可控活性聚合、原子转移自由基聚合、可逆加成-断裂链转移、电化学聚合、原子转移聚合与酶催化开环聚合两种活性聚合在ScCO2中同时聚合、二氧化碳作为原料共聚合等。

Epicureanism argues the free will comes from the chanciness of atom movement, so the precondition of moral duty comes into existence.

伊壁鸠鲁学派从原子运动的偶然性出发，推导出人的意志自由，道德责任的前提获得成立。

This chelate structure is identified by the atom-emission spectrum analysis.

通过原子发射光谱分析证实了此螯和物的存在。

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。