查询词典 nucleon

The data of direct reactions induced by nucleon and light nucleus play an important role in the study of nuclear reaction and structure, especially in the study of nuclear surface status of neutron rich nuclei.

核子和轻核直接反应的数据，在核相互作用和核结构的研究中，起了重要的基础性作用，尤其对于研究核的表面状况更为重要。

In order to test our model, we also give an analysis of the lowest excited states N*(1520) and N*(1535) of nucleon. with negtive parity.

为了进一步检验我们的模型，本文还在推广的手征SU(3)夸克模型下计算了核子最低负宇称激发态N~*(1535)，N~*(1520)的能量。

At low-energy scale, QCD nonperturbative approach must be developed to be used to describe the nucleon.

在低能标度时，必须发展QCD非微扰途径来描述核子物理。

Nucleon can be excited to △ and N(superscript *) at CSR energy region.

在CSR能量区域内，核子可以激发为△和N。

During its brief existence, the pion carries momentum from one nucleon to the other

在它短暂的存在期间内，它将动量从一个核子带到另一个核子。

However, the Diracstructure of the nucleon self-energy in the DBHF can not be explicitly obtained in anumerical calculation.

这种办法消除了其它方法的弊端，并对对称核物质性质给出了较好的描述。

However in the study of nucleon spin structure,the gluon spin,quark and gluonangular momenta operators seem to have intuitive physical meaning but are not separatelygauge invariant.

但是在核子自旋结构研究中，胶子自旋，夸克和胶子轨道角动量看上去有直观的物理含意，但却不是分别规范不变的。

All of them havetheir drawbacks. Very recently, Schiller and Muether at Tubingen Universitysuggested a new decomposition approach of the DBHF G matrix, and used tocalculate the nucleon self-energy.

在讨论中，我们同从动量依赖的单粒子能量中提取自能的简单方法得到的结果做了详细的比较。

And M.Hirai are introduced. The parton distributions function of bound nucleon are obtained through the experimental data of deep inelastic scatting and Drell-Yan process.

Hirai等利用不依赖于物理模型的整体分析，通过拟合现有轻子—原子核深度非弹性散射以及高能质子—原子核碰撞核Drell-Yan过程实验数据，分别得到了束缚核子中的部分子分布函数。

The nucleon is the bound state of guarks and gluons, which is described by the quantum chromodynamics.

核子是夸克、胶子的束缚态，由量子色动力学QCD描述。

The big eared hedgehog, the little owl, the sand gecko, the three-toed jerboa, and every show needs a villain - saw-scale - the viper!

大耳刺猬，小猫头鹰，沙壁虎，三趾跳鼠，每场戏都需要反派角色：蝰蛇。

Plasmodiophora brassicae ; resting spores ; density gradient centrifugation of sucrose ; ultrasonic disruption

根肿；休眠孢子；蔗糖密度梯度离心；超声波破碎