1) State-selective differential cross sections
态选择微分截面
1.
State-selective differential cross sections in ion-atom collisions studied by reaction window theory;
用反应窗理论研究离子与原子碰撞的态选择微分截面
2) state-selective cross section
态选择截面
1.
The measured state-selective cross sections agree with the semi-classical close-coupling calculations,but have some deviations from the results of photon emission measurement.
利用冷靶反冲离子动量谱仪装置系统研究了20—40keVHe2+-He碰撞体系的态选择单电子俘获过程,实验获得了单电子俘获过程的态选择截面以及角微分截面。
3) cross-section selection
截面选择
1.
This paper illustrates that there are an internal force analysis and a cross-section selection as two key links in steel-truss design, and it has put forward several questions that should be paid attention to in the design.
本文阐明了桁架设计中的内力分析和截面选择两个关键的环节,并且提出了在设计中应注意的几个问题。
2.
Several methods of cross-section selection of N Line,PE line and PEN line in the architectural distribution system were introduced.
介绍了建筑配电系统中的中性导线、保护导线和保护中性导线的截面选择的方法。
4) section selection
截面选择
1.
The paper gives a brief introduction of the advantages of the steel scuttle,and introduces the headwall of the steel scuttle,the section selection of the stiffener,the calculation deflection and strength,the common forms and calculation of the scuttle bearing,so as to extend the application of the steel scuttle in the coal buffer bin of the main power house of the thermal power plant.
简述了钢煤斗的优点,对钢煤斗的斗壁和加劲肋的截面选择及挠度、强度核算,煤斗支座常用形式及计算进行了简明扼要的介绍,以推广钢煤斗在火力发电厂主厂房煤仓间的应用。
5) differential cross section
微分截面
1.
Differential cross section measurement for fast neutron induced ~(64)Zn(n,α)~(61)Ni reaction;
快中子~(64)Zn(n,α)~(61)Ni反应微分截面实验测量
2.
Influence of He isotope on the differential cross section for He-NO collision system;
He同位素对He-NO碰撞体系微分截面的影响
3.
Theoretical calculation of the differential cross section for He-NO collision system;
He-NO碰撞体系微分截面的理论计算
6) differential cross-section
微分截面
1.
Accurate calculation of the differential cross-section of pG→2π~0 with proton (antiproton) renormalized chain-loop contribution;
精确计算p重整化链图传播下p→2π~0反应微分截面(英文)
2.
The differential cross-sections for elastic scattering of 17F and 17O on 208Pb have been measured at Radioactive Ion Beam Line at Lanzhou (RIBLL).
在兰州放射性束流线(RIBLL)上完成了17F／17O+208Pb的弹性散射微分截面角分布测量。
3.
By measuring the incoherent scattering photon energy,the incoherent scattering differential cross-section can be calculated.
测量了电子质量,分析了相干散射线宽,测量了非相干散射光子的能量,算出了非相干散射微分截面,给出了Θ~Θ+dΘ内散射光子微分截面与散射角关系。
补充资料：态-态反应性散射截面
分子式：
CAS号：
性质：设有一态-态反应A+BC(υ，j)=AB(υ′,j′)+C，其中υ、υ′、j、j′分别为反应物和产物的振动量子数和转动量子数。根据微分反应截面σr的定义，则σr(υ、j︱υ′、j′)应为单位时间单位立体角中散射的具有υ′、j′能态的分子数占散射截面的分率。态-态反应性散射截面即其积分态-态反应截面Sr(n´∣n，g)=(n´∣n，g，θ) dΩ，n表示内部量子态，Z为相对速率。
CAS号：
性质：设有一态-态反应A+BC(υ，j)=AB(υ′,j′)+C，其中υ、υ′、j、j′分别为反应物和产物的振动量子数和转动量子数。根据微分反应截面σr的定义，则σr(υ、j︱υ′、j′)应为单位时间单位立体角中散射的具有υ′、j′能态的分子数占散射截面的分率。态-态反应性散射截面即其积分态-态反应截面Sr(n´∣n，g)=(n´∣n，g，θ) dΩ，n表示内部量子态，Z为相对速率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条