cross section是什么意思

网络释义

用法例句

This article analyses the two methods of calculating nucleon-nucleus cross section,points out their characteristics and presents a new idea for combining tow methods so that we can find a new way to calculate the nucleon-nucleus cross section for whole energy range.

通过对核子-核反应截面的两种计算方法进行对比和分析,指出各自的特点和计算中存在的困难,在此基础上,提出将两种计算方法结合起来的设想,希望能解决整个能区内核子-核反应截面的计算问题。

For certain nuclear reaction,we can get cross section of resonant peak easily in the experiment.

理论计算值和实验结果在一定程度上符合的很好,这说明了选择共振隧穿模型是计算有明显共振峰的核反应截面的有利工具。

The importance of theoretical calculation of cross section is analyzed.

分析了理论计算核反应截面的重要意义,利用选择共振隧穿模型对15N(p,α)12C的反应截面进行计算。

The reaction probability,the reaction cross-section and the thermal rate constants at T=300,500,and 700 K for the reaction have been evaluated,and it is indicated by comparison that the thermal rate constants calculated in this work agree well with the experimental data.

文中计算了该反应的反应几率、反应截面以及在T=300、500、700 K时的热速率常数。

The reaction cross-section of ~ 93Nb(n,2n)~ 92mNb was measured by activation method in the neutron energy range of 13.

用活化法以 2 7Al(n,α) 2 4Na反应截面为中子注量标准 ,对 14 Me V能区中子引起的 93 Nb(n,2 n) 92 m Nb反应截面进行了测量 。

The relative translational energy and reactive cross section σ_r and the effect of relative translational energy on reaction probability are studied, and the microscopic mechanisms of the r.

得到了该反应的产物分布情况和各通道之间的竞争,研究了相对平动能与反应截面的关系以及相对平动能对反应几率的作用,同时对该反应的微观机理也作了一定的探讨。

Experimental Evaluation of Cross Section for Rb(5D_J)+H_2→RbH+H Reaction

Rb(5D_J)+H_2→RbH+H反应截面的测定

This paper in troduces the relation ships of molecular configuration and reaction section.

本文介绍了分子构型与反应截面问的关系。

The fission barrier parameters for actinide nuclei were obtained by analysis and calculations of fission cross-sections and complete neutron reaction cross sections.

通过分析和计算锕系核裂变截面和全套中子反应截面获取了一组锕系核的裂变位垒参数.

The Accurate Calculation about p(?)→p(?) Differential Cross-section of the Renormalized π～0 Chain Propagator;

精确计算在π～0重整化链图传播下的p（?）→p（?）反应截面

Analytically Calculate the Cross Section of e～+e～-→μ～+μ～- by Mixed Loop-Chain Propagator in Electroweak Unification Standard Model;

电弱统一标准模型中混合圈链图传播下e～+e～-→μ～+μ～-反应截面的解析计算

cross section reactor physics computer code

反应堆物理截面计算机代码

thermal cross section reactor physics computer code

反应堆物理热中子截面计算机代码

Excitation Function Measurement of Total Reaction Cross Section at Intermediate Energy for Light Exotic Nuclei

中能轻奇异核反应总截面的激发函数测量

Analysis on the Response of Double Span Portal Steel Frame with Tampered Members under Local Fire;

双跨变截面门式钢刚架局部火灾下的反应分析

The Calculation of Triply Differential Cross Sections of (e,2e) Reaction for Hydrogen Atom by Orthogonal Method;

正交法计算氢原子(e,2e)反应的三重微分截面

Impact of Aspect Ratios on Velocity in Rectangular Micro-channel

微反应器矩形微通道截面高宽比对流速的影响

Analysis of beam with variable cross-section by using direct element-based equilibrium framework

直接基于单元平衡的变截面梁反应分析方法

(e,2e) Triple differential cross sections for the ionization-excitation of helium

氦原子(e,2e)电离激发反应的三重微分截面

Discussion on Equatortal section to be the Most Dangerous stress section of Ball

论赤道截面是钢球最危险的应力截面

SIMULTANEOUS ANALYSIS OF FISSION AND CAPTURE CROSS SECTION WITH ADLER-ADLER RESONANCE FORMULA

裂变元素中子共振反应的裂变和俘获截面的相关分析

Measurement and Analysis of the Double-differential Cross Sections of Secondary Neutrons for ~9Be at 21.65 MeV Incident Neutrons

21.65MeV中子引起~9Be反应的次级中子双微分截面测量与分析

Research on application of change from hyperbolic arch section into box section

改双曲拱截面为箱形截面技术的应用研究

The cross sections for these fusion reactions are appreciable only for incident energies above 10 KeV.

只有当入射能量超过10千电子伏时，这些聚变反应的截面才是可观的。