但是由于较高的库仑势垒和离心势垒,丰质子轻核比较难以形成质子晕结构。
The high Coulomb and centrifugal barriers make it difficult for light proton-rich nuclei to possess halo structure.
于是选择和调整光学模型势参数成为核数据计算的关键步骤。
Thus, choosing and adjusting the optical potential parameters are the crucial steps in nuclear data calculations.
对于有限核的微观光学势通过定域密度近似获得。
The microscopic optical potential of finite nuclei is obtained with the local density approximation.
作为对模型的进一步检验,对核一核相互作用势做了静态研究,并与亲近势的结果做了比较。
As a further test for the model, the nucleus-nucleus interaction potential is also calculated, and compared with the proximity potential as well.
表面碳势为1.1%C的渗碳硬化层内,临近外表面部位的枣核马氏体中会出现显微裂纹。
When carburized under high carbon potential (1. 1% C), microcracks tend to appear on the martensitic matrix near the outer surface of the layer.
计算结果表明,这套方法在较重的非对称核中仍然适用,但是非对称核中的质子光学势及中子光学势有明显的差别。
The calculated results show that this method is also suitable to heavy, asymmetric nuclei, though obvious differences exist between the proton MOP and the neutron MOP in an asymmetric nucleus.
基于对4n核结团结构的考虑,采用合理的核轨道波函数,并利用折叠模型导出了质量相近4 N核间的宇称相关势。
Based on the cluster structure of 4n-nucleus, a parity-dependent potential is derived by using a proper nuclear orbital wave function and the folding method.
本文研究了在静态时不同势场下,标示核物质性质的核物质内部压强和束缚能对核物质密度的依赖关系。
In this paper the static characteristic of the nuclear matter characterized oy the interior pressure and the binding energy as a function of density is studied with different interactions.
从多次散射的理论框架,获得反质子的光学势,这一光学势能很好地描述从轻核至重核在整个能区的弹性散射实验。
From the framework of the multiple scattering theory, we obtain the antiproton-nucleus optical potential that can best describe the experimental elastic scattering data.
光学势在核中的吸收系数趋于零,因此弹性散射主要发生在核的表面。
The absorption coefficients approach to zero inside the target nucleus, so that the elastic scattering takes place at the surface region of nucleus.
结果表明,纳米颗粒在界面处的吸附可减小核化的平衡胚泡半径,降低沸腾核化势垒,有利于核化的发生。
The results showed that nanoparticles accumulation at the vapor-liquid interface decreased embryo bubble radius and the potential barrier of nucleation, facilitating liquid nucleation.
结果表明,纳米颗粒在界面处的吸附可减小核化的平衡胚泡半径,降低沸腾核化势垒,有利于核化的发生。
The results showed that nanoparticles accumulation at the vapor-liquid interface decreased embryo bubble radius and the potential barrier of nucleation, facilitating liquid nucleation.
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