1) ratio of total cross section
总截面比
2) Total cross section
总截面
1.
A modification method of additivity rule for total cross section calculations of electron scattering from molecules considering the geometric shielding effect;
一种考虑几何屏蔽效应的计算“电子-分子”散射总截面的可加性规则修正方法
2.
A modification potential method for total cross section calculation of electron scattering by molecules at medium and high energies;
一种计算中、高能电子被分子散射总截面的修正势方法
3.
Total cross sections for elastic scattering of electrons from fluoromethanes in the intermediate and high energy range;
中高能电子被氟代甲烷散射的总截面计算
4) cross section ratio
截面比
1.
The cross section ratios of 90Zr (n,2n)89m+gZr to 93Nb (n,2n)92mZr reactions have been measured on several neutron energies by using silicon detectors and the plot of cross section retio of Zr to Nb against the neutron energy has been obtained.
叙述了用９０Ｚｒ（ｎ，２ｎ）８９ｍ＋ｇＺｒ和９３Ｎｂ（ｎ，２ｎ）９２ｍＮｂ反应截面比测定Ｄ－Ｔ中子平均能量的方法。
2.
The x-ray production cross section ratios L β/L α of elements Hf and W were measured as functions of electron energies(from threshold up to 32 keV).
本工作测量了元素Hf和W的L -X射线产生截面比Lβ/Lα 在从阈能到 3 2keV能区内同能量的函数关系 。
5) aggregate area
截面积的总和，总截面积
6) total reaction cross section
反应总截面
1.
The total reaction cross sections for ~(11)Li at energies range from 25 to 45MeV/u on Si target have been measured by using the transmission method.
实验采用透射法测量了25—45MeV/u的~(11)Li在~(28)Si靶上的反应总截面。
2.
In the theoretical calculation of total reaction cross section, the results can fit the experimental data very well at high energy, but they are about 10%—20% lower at intermediate energy.
在对反应总截面的理论计算中 ,现有的理论计算值与实验数据在高能区可以很好的符合 ,但在中能区理论值低于实验值约 10 %— 2 0 % 。
3.
The measurement of total reaction cross section is of great importance in studying the structure and reaction mechanisms of exotic nuclei produced by radioactive nuclear beam (RNB).
介绍了用透射法测量中能区2 0 Ne打9Be靶碎裂产生的次级束与Si靶作用的核反应总截面的方法 ,以及实验的探测器布局、实验过程和实验结果 。
补充资料：总截面
分子式：
CAS号：
性质：指入射粒子与靶核的所有作用方式的概率之和，符号为 。 总离子强度调节缓冲剂 total ionic strength adjustment-buffer；TISAB 在直接电位分析法中将所加入的适合控制pH范围的缓冲剂、消除干扰的掩蔽剂和维持恒定的离子强度的调节剂，统称为总离子强度调节缓冲剂。
CAS号：
性质：指入射粒子与靶核的所有作用方式的概率之和，符号为 。 总离子强度调节缓冲剂 total ionic strength adjustment-buffer；TISAB 在直接电位分析法中将所加入的适合控制pH范围的缓冲剂、消除干扰的掩蔽剂和维持恒定的离子强度的调节剂，统称为总离子强度调节缓冲剂。
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参考词条