Recently it was found that the nuclear symmetry energy can be directly associated with the mean level density 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。
In the case of the limited level density 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。
When the exciton system closes to the statistical equilibrium, this exciton state density automatically approaches to the Fermi-gas nuclear level density with angular momentum.
当激子系统趋近统计平衡时，该公式就自动过渡到具有角动量的费米气能级密度公式。
This paper, based on the Fermi gas model, studies the energy of free electron gas in metal, discusses the highest energy, the average energy and the energy level density of free electrongas.
本文根据费米气体模型理论，研究金属中自由电子气的能量，讨论电子的最高能量、平均能量和电子气的能级密度。
Using the periodic orbit theory, we computed the quantum level density of a particle in the two-dimensional harmonic oscillator potential with and without the magnetic flux line for different cases.
利用周期轨道理论，我们计算了在不同情况下，一个粒子在二维谐振子势中存在和不存在磁通量时的量子能级密度。
Results:The qualities of clinical images were closely related to such parameters as CTDI, noise level, density resolution and spatial resolution.
结果：临床照片图像质量与剂量指数、噪声水平、密度分辨率和空间分辨率关系密切。
Results:The qualities of clinical images were closely related to such parameters as CTDI, noise level, density resolution and spatial resolution.
结果：临床照片图像质量与剂量指数、噪声水平、密度分辨率和空间分辨率关系密切。
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