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1)  cross section ratios
微分截面比
2)  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
3)  differential cross-section
微分截面
1.
Accurate calculation of the differential cross-section of pG→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。
4)  differential cross sections
微分截面
1.
Probing into theirs the elastic scattering of regularity through analysis the numerical results for differential cross sections from scattering angle of 20°to 160°.
通过对算得的大量微分截面(散射角从20°~60°)的数据的分析,探讨了其弹性散射角分布规律性。
2.
The interaction potential and differential cross sections for scattering of HCl with Ne;
在此基础上,我们首次完成了入射能量分别为40,60,75和100 meV时,Ne-HCl碰撞微分散射截面的密耦计算,并获得了总微分截面、弹性微分截面和转动激发微分截面随散射角变化的趋势。
5)  double differential cross section
双微分截面
1.
The inelastic scattering angular distributions of discrete levels and double differential cross sections were calculated and analyzed by using the distorted wave Born approximation theory,the unified Hauser-Feshbach model and the exciton model.
应用得到的光学模型势参量,根据光学模型、统一的Hauser-Feshbach和激子模型理论以及扭曲波玻恩近似理论,系统计算和分析了中子与58,60Ni反应的非弹散射角分布和双微分截面,理论结果与实验很好地一致。
2.
The QMD simulations of the double differential cross section of 208 Pb (p, x n) reactions with incident energies of 590,800 and 1500MeV are in good agreement with the experimental data,and the results of QMD calculations are better than that of HETC a.
5GeV ,散裂靶为2 0 8Pb的 (p ,xn)核反应的双微分截面 ,QMD计算结果很好再现了实验数据 ,且QMD的计算结果明显优于HETC和LAHET 。
6)  fully differential cross section
全微分截面
补充资料:微分反应截面
分子式:
CAS号:

性质:根据散射截面的定义,微分反应截面口,定义为σr定义为σr=I/dΩ/I0,等于单位时间单位立体角中散射的产物分子数与单位时间单位面积中入射的反应物分子数之比,I为产物分子的散射通量,I0为入射分子束强度。散射粒子只有一部分是反应性散射,故又定义反应概率(reaction probability)Prr/σ,等于微分反应截面与微分散射截面之比。说明Pr是分子散射事件中反应性散射所占的分率。影响σr及Pr的因素,除接近程度(撞击参数)外,还与能量形式及能态、空间因素有关。

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