夸克同样看不到，但它却是解释原子核中质子、中子性质的理论模型。
Quarks, which we also cannot see, are a model to explain the properties of the protons and neutrons in the nucleus of an atom.
标准模型认为，原子中原子核的组成部分—质子是稳定不变的，但是许多后标准模型理论却不支持这种观点。
The Standard Model says that protons, which help make up the nuclei of atoms, are stable, but many post-Standard Model theories disagree.
提出平均场壳模型下原子核单体密度矩阵的一种计算方法，验证该方法的可靠性。
A method calculating one body density matrix of nucleus in the mean field shell model is proposed.
这是个经典模型，对吧，我们说电子离，原子核就是这么远。
It was a classical model, right, so we could say the electron is exactly this far away from the nucleus.
那些作者显示简单的模型怎样能提供理解原子核的特性，两个在他们的地内和令人激动状态，以及自然的核反应。
The authors show how simple models can provide an understanding of the properties of nuclei, both in their ground and excited states, and of the nature of nuclear reactions.
本文首先对核结构模型、原子核转动谱理论进行了概述。
This thesis firstly summarized the nuclear structure model and the theory of rotational spectrum.
认为相对论性氧原子核的这类碎裂现象为氧原子核的结团模型提供了直接的实验证据。
The fragmentation phenomena of the relativistic oxygen nuclei provide a direct experimental evidence for the cluster model of the oxygen nuclei.
用推转壳模型计算研究了原子核的高速转动运动及其结构特性。
We used the cranking shell model to investigate the high-spin motions and structures of atomic nuclei.
用复平均场和复剩余相互作用的壳模型理论，定性地讨论了反核子与原子核相互作用体系出现窄宽度结构的可能性。
The possible existence of the narrow width structures in the Antinucleon-Nucleussystem is discussed qualitatively by using complex shell model theory.
这些粒子的大部分都不能被那时的模型物理学家描述，那时的物理学家的认识是物质由原子构成，原子由原子核及原子核外的电子构成，原子核由质子和中子构成。
Most of them did not fit into the models physicists had at that time, that matter consisted of atoms with neutrons and protons in the nucleus and electrons round it.
这些粒子的大部分都不能被那时的模型物理学家描述，那时的物理学家的认识是物质由原子构成，原子由原子核及原子核外的电子构成，原子核由质子和中子构成。
Most of them did not fit into the models physicists had at that time, that matter consisted of atoms with neutrons and protons in the nucleus and electrons round it.
应用推荐