Recently it was found that the nuclear symmetry energy can be directly associated with the mean leveldensity and an iso-vector potential.
最新研究发现原子核对称能与平均的能级密度和同位旋矢量势直接相关。
2
In the case of the limited leveldensity of the material surface energy, the fracture stress and the calculation formula of the engineering damage were studied.
本文研究考虑损伤时材料的断裂应力，推导出了在表面能密度有限的情况下，损伤断裂应力的计算公式。
3
When the exciton system closes to the statistical equilibrium, this exciton state density automatically approaches to the Fermi-gas nuclear leveldensity with angular momentum.