查询词典 nucleon

Using the damping scaling theory of the free current in cosmism,it unitedly estimated that the mass and radius of the classical black hole, Planck particle ,nucleon,electron,particle of dark matter,and photon.

讨论了多成分宇宙中稳定粒子的基本性质，用宇宙演化中的自由流阻尼标度理论统一估算了经典黑洞、普朗克粒子、核子、电子、暗物质粒子、光子的质量和半径，量级与某些已知数据相符。

At first, we introduce in detail relativistic mean-field theory, where a common Lagrangian density is presented. Starting with this Lagrangian density, we can obtain the Dirac equation and Klein-Gordon equations for nucleon and meson field by using Euler-Lagrangian equation.

本文首先详细介绍了相对论平均场理论的一些公式推导，给出了常用的一般的相对论平均场的拉格朗日量，从这个拉氏量出发，利用Euler-Lagrange方程就可导出核子与介子场的运动方程。

The effect of chiral symmetry restoration in the medium is reflected on the nucleon effective mass.

在我们的理论框架中，手征对称性在媒质中的恢复的效应主要体现在核子质量上。

This might be caused by nuclear deformation and nucleon pair effect, and the experimental inaccuracy should not be neglected.

这可能是核形变及核子对效应造成的，试验中的测量误差也不可忽视。

In all these studies, the vacuum fluctuation on nucleon,Δ-isobar, and σ meson is considered.

在以上所有的分析中，考虑了核子、Δ粒子和σ介子的真空起伏。

The nuclear magneton, calculated using the mass of the nucleon .

核磁子，用原子核的质量来计算

As the bombarding energy rises up to 30-100 MeV/u, the nucleon-nucleoncollision begins to play an important role.

当能量继续升高至30—100MeV／u以上，核子—核子的碰撞作用开始起较大的影响。

In chapter 3,we apply this dynamical model to study a typical〓 collisions at three typicalbeam energies 20, 60, 90 MeV/nucleon.

在第三章，我们应用这种动力学模型来研究在几个典型能量，即20、60和90 MeV／nucleon时〓Ca＋〓Ca的碰撞。

The first moment of quark transversity distribution defines the tensor charge of nucleon.

夸克的横向性分布的一次矩定义了核子张量荷。

Our purpose is to try to understand some long-standingproblems in light baryon which include (1) The energy level or-der between the positive- and negative- parity partner states,in particular, Roper resonance puzzle;(2)The baryon spin-orbitstructure puzzle-the absence of spin-orbit effects in baryon spec-trum;(3)The calculated amplitudes of nucleon form factors droptoo fast and the uncertainty of the multipole strength in thetransition process of rN →△.

我们的目的是试图解决以往组分夸克模型在轻重子系统的研究中存在的几个问题：(1)重子谱中正负宇称配对态的能级次序，特别是Roper共振之谜；(2)重子谱中自旋轨道看不见之谜；(3)核子形状因子随转移动量增大而下降过快及核子到其共振态光和电生过程中多极子强度和形状因子的不确定性。

The Master of Science degree program in Economics features a curriculum that is flexibl...

在经济学理学硕士学位的课程计划的特点是灵活而全面的方法，在理论和应用课程培训工作。

This module is used for constructing and visualizing 3D models.

该模块是用于建设和可视化的三维模型。