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total cross section of neutron 中子全截面
Production Cross Section of Neutron Cluster from the Reaction of Light Neutron Rich Nuclei 轻丰中子核反应中子集团产生截面的理论研究
Empirical formula of total cross section of nuclear reaction for dose calculation 用于剂量计算的核反应总截面经验公式
capture cross section of neutrons 中子俘获截面
If we look at a cross section of a water wave, we may see that the wave form repeats itself at regular intervals. 如果我们观察水波的横截面，我们会看到波形是按一定的间隔重复的。
The total cross section of electron-molecule scattering in the intermediate and high energy region 中高能区电子与分子散射总截面的计算
CALCULATION OF NEUTRON CAPTURE CROSS SECTIONS OF Th~(232) AND U~(238) Th~(232)与U~(238)中子俘获截面的计算
They do not represent a complete cross section of his works. 这当然并非包括了他的全部著作。
Cold and thermal neutron scattering cross section of liquid H2 and D2 II: improvement on coherent scattering. 液态H2和D2冷和热中子散射截面：相干散射的改进...[中国核科技信息与经济研究院
A specific layer of soil or subsoil in a vertical cross section of land. 地层，岩层处于土地的垂直横截面中的某一具体土层或次土层
This old man is a cross section of modern artists in Britain. 这位老者是英国现代艺术家的典范。
A semi - empirical additivity rule has been presented. This model is simple but more effective and is of certain value for further research in calculation of total cross sections. 本文提出了一个可加性规则的半经验公式,该方法简单有效,对于电子散射总截面的计算有一定研究价值。
A semiempirical additivity rule has been presented. This model is simple but more effective and is of certain value for further research in calculation of total cross sections. 文章提出了一个可加性规则的半经验公式,该方法简单有效,对于电子散射总截面的计算有一定研究价值。
The round, often darker cross section of such a lump as it appears on a piece of cut lumber. 节疤这种突出物的横截面，呈圆形，比周围的地方要黑，常常出现在切割好的木材上
The cross section of a bridge deck may twist as a result of excessive life. 桥面横断面可能由于过量的升力而发生扭转。
Abstract： A semi - empirical additivity rule has been presented.This model is simple but more effective and is of certain value for further research in calculation of total cross sections. 摘要：本文提出了一个可加性规则的半经验公式;该方法简单有效;对于电子散射总截面的计算有一定研究价值.
Our homework is figuring out the area of the cross section of a solid. 我们留的作业是求几何体横截面的面积。
We think of a nucleus as made up of neutron and proton. 我们认为原子核是由中子和质子构成的。
He has lived one section of miserable life. 他过了一段悲惨的生活。
The cross section of inner-shell excitation followed by auto-ionization and total ionization cross section of lithium-like ions by electron impact have been calculated by using a distorted wave Born exchange approximation. 利用扭曲波玻恩交换近似,计算了类锂离子的电子碰撞激发-自电离截面和总电离截面,与紧耦合计算及实验数据比较,得到了比较令人满意的结果。