您要查找的是不是:
- neutron transport theory 中子输运理论
- The asymptotic diffusion theory with time absorption constant has eliminated the above-mentioned limitation, so it is more accurate than flux-Limited diffusion theory in describing neutron transport problem. 而带有时间吸收项的渐近扩散理论避免了上述的局限性,因而它对中子迁移问题的描述优于限流扩散理论。
- A 3-D multigroup P3 neutron transport MC code which is named as MCMG has been developed. 新研制的MCMG三维多群P3 MC中子输运程序与栅元均匀化WIMS程序结合,计算反应堆临界和燃耗问题。
- 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。
- It was further generalized to the computation of multigroup neutron transport, considering the surface huckling aud the external neutron sources. 从而给出了无独立源、均匀无限半空间问题中子输运方程的精确渐近解。
- A numerical method for solving the time-dependent multigroup neutron transport problem in two-demensional Cartesian geometry is presented in this thesis. 本文研究了二维非定常多群中子输运方程的一种数值解法。
- In this work, a review about the progress on the transport theory of penetrant in polymer membrane has been ma... 本文对溶剂在高分子膜中传递现象研究的进展作简要介绍。
- The Multigroup Theory of Nonsteady-state Neutron Transport Equation 非稳态中子迁移方程的多群理论
- Two sets of transport-burnup code systems based on the transport theory, Monte Carlo-burnup code system and transport-burnup code system, are developed. 摘要开发了应用输运理论方法的两套程序系统:蒙特卡罗-燃耗程序系统和输运-燃耗程序系统。
- In this paper, we will choose a polyacetylene loop as a molecular bridge, based on Landauer-Buttiker transport theory and tight-binding approximation, we . 首先,在两端模型中,我们介绍了当导线与聚乙炔环间的耦合较弱时,电导随能量的突变明显,电子的遂穿效应显得更为显著。
- The dynamical tool to treat dissipative process in heavy-ion collisions and the approach to local thermal equilibrium is in principle nonequilibrium quantum transport theory. 如何处理重离子碰撞中系统趋于局域热平衡的过程,基本上属于非平衡的研究范围。
- Based on these calculations, the authors analyze the science-practical nature of the Prandtl Mixing Length hypothesis, the momentum-transport theory, the Karman Similarity theory and the Taylor Vorticity Transport theory. 对卡门常数和普朗特混合长度进行了理论计算,并据此分析和论证了普朗特混合长度假说与动量传递理论和卡门关于紊流局部运动相似理论以及泰勒的涡旋传递理论的科学性和实用性。
- neutron transport mean free path 中子输运平均自由程
- The emittance growing problem of non-corelating and non-coupling beam after passing through a lattice with transverse and longitude coupling was studied using linear transport theory. 摘要分析了初始无关联无耦合的束流通过存在横向和纵向耦合的束流系统后发射度的增长。
- In this paper, we introduce some of our recent works on the models and dynamics of transport theory for many-body system, which show the characteristic features of anomalous diffusion. 主要介绍最近在多体体系输运理论的一些模型和动力学等工作,特别是一些有关反常扩散方面的工作结果。
- neutron transport mean-free path 中子输运平均自由程
- The research is not only an empirical application for the theory of principal-agent but also the development for transportation theory. 该研究既是对博弈论的委讬-代理理论的实证应用,又是对运输理论的发展和补充。
- The isospin dependent transport theories and their achievements are reviewed. The main subjects for further investigation are pointed. 摘要评述了当前中能重离子碰撞中同位旋相关的输运理论及其研究进展,并指出了进一步研究的方向。
- Based on introduction of various varistor materials, the progress in study on nonlinear electrical transporting theory of varistor is reviewed. 在对各种压敏电阻材料介绍的基础上,综述了非线性电输运理论研究的进展,特别涉及了三氧化钨和有机压敏材料等新体系的问题。
- He tried in every way to verify this theory. 他想一切办法来验证这个理论。