This paper presents a variable multigroup method for calculation in non-equilibrium radiative transfer considered atomic line cross section shift.
针对非平衡辐射输运多群近似计算由线截面漂移引起的计算问题，提出了可变分群方法。
This paper discussed the importance as well as the method of considering the resonance self-shielding effect in hybrid blanket and fast reactor neutron multigroup calculations.
本文讨论了在混合堆和快堆的多群中子输运计算中，考虑共振自屏效应的重要性及其考虑方法。
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。
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