1)Neutron transport中子输运
1.For the numerical solutions of the neutron transport equation based on unstructured- meshes,four types of new methods were developed including the spherical harmonics(P_n)finite element method,the discrete ordinates(S_n)finite element method,the triangle transmission probability method,and the triangle nodal method.针对非结构网格下中子输运方程的求解方法问题,分别研究了球谐函数(P_n)有限元方法、离散纵标(S_n)有限元方法、三角形穿透概率方法和三角形节块S_n方法的计算模型。
2.A 3\|D multigroup P\-3 approximation Monte Carlo code MCMG\|BURN is developed by coupling the neutron transport and burnup.介绍三维多群中子输运 燃耗耦合P3近似蒙特卡罗程序MCMG BURN 。
3.The phase-space finite element method is applied to the multigroup neutron transport equation in cylindrical critical systems.本文采用相空间有限元方法求解了柱形临界多群中子输运问题。
英文短句/例句
1.neutron transport mean free path中子输运平均自由程
2.Diversion Probability Matrix on Stochastic Process of Neutron Transport中子输运随机过程中的转移概率矩阵
3.Angular Discretization of Neutron Transport Equation Based on Daubechies Wavelets中子输运方程的Daubechies小波角度离散
4.Reconstructing Source Term of the Integro-differential Transport Equation中子输运方程的源项反演问题(英文)
5.A Discrete Nodal Transport Method Applied to Solve Two-Dimensional Neutron Transport Equation in Cartesian Geometry解稳态二维笛卡尔几何下中子输运方程的离散节块输运方法
6.anomalous transport in plasmas等离子体中的反常输运
7.Transport in Semiconductor Superlattice and Phase Transition of BEC in Optical Lattice;超晶格输运与光格子中BEC的量子相变
8.The Study on the Electron Shin Transport in One-Dimensional Quantum Waveguides一维量子波导中的电子自旋输运研究
9.Fokker-Planck simulation of ion energy transport in ion acoustic wavesFokker-Planck模拟离子声波中离子的能量输运
10.gravity roller carrier重力运输机, 辊子输送器
11.neutron or gamma transport computer code中子或射线输运计算机代码
12.Black Box of Transport Packaging Applying to Printing Equipment;在印刷设备中应用的运输包装黑匣子
13.The application research of electronic B/L in international cargo transportation;国际货物运输中电子提单的应用研究
14.Study of Thermal Dynamics in Quantum Quasi-One-Dimensional Systems准一维系统中量子热输运性质的研究
15.Prediction of Nanoparticle Transport and Deposition in Bends纳米粒子在弯管中的输运和沉降特性
16.Discussion on the Cargo Velocity in the Multi-molecular Motor Transport对多分子马达输运中货物速度的讨论
17.Researched of the Critical Model of Particle Transport in Tokamak托卡马克中粒子输运临界模型的研究
18.Research Distribution Function of the Electron in Tokamak托卡马克中电子输运分布函数的研究
相关短句/例句
particle transportation中子、光子输运
3)neutron transport equation中子输运方程
1.An approximate linearization method is proposed for nonlinear neutron transport equations.针对考虑中子之间相互碰撞的非线性中子输运方程,提出一种线性化近似处理方法,导出相应的积分输运方程,利用蒙特卡罗方法求解此方程,数值实验表明算法的有效性,为研究超高能中子产生与输运问题提供了必要的模拟工具。
2.In this paper the methods of determining iterative initial value about iterative proce- dure for discrete ordinate time-dependent neutron transport equation are studied.研究离散纵标动态中子输运方程迭代求解时,迭代初值的不同选取方法,设计合理的迭代初值可以适当放宽对时间步长的限制,缩短计算时间。
3.Motivated by issues from applications and requirements in the future, this paper is focused on the numerical simulations for the multi-dimensional neutron transport equation.针对高维中子输运方程的数值模拟,基于在应用中提出的问题和未来发展的需求,本文研究了二维离散格式的“对称性”问题,并对三维差分方程作了离散解的先验估计以及并行和加速收敛算法的设计、应用,得到了若干具有理论和实际意义的成果。
4)Neutron transportation calculation中子输运计算
5)neutron transport theory中子输运理论
6)neutron-transport cross-section中子输运截面
延伸阅读
半导体的导电与电荷输运半导体的导电与电荷输运conductance and charge transport in semiconductor “一斋<:>厂rE嚼。:丈“E4fod二于声学声子散射,r一3厂/8一1.18;而对于电离杂质散射,r二315厂/512=1 .93。在:与能量无关的情况下,r一1。如果n》P,有R一r(二皿)2一3 一 一一 、/ r /、式中E为电子能量。对P之0,有 e
