查询词典 isospin

Ferromagnetic coupling can be obtained when the tri-radicals of two isospin and one heterospin center maintain the symmetry of C_(2v).

由两个同自旋和一个异自旋中心构成的三自由基若保持较好的对称性 C_(2v可望表现铁磁耦合。

We proposed a model independent approach which is based on isospin and flavor SU (3) symmetry to study charmless B decays.

在B介子无璨弱衰变方面。我们提出了一种模型依赖性较小的分析方法。

In the specific quantum numbers configuration of holon-isospin excitation where the excited momentum approach to the ground state, the dispersion relations can be expected as a quadratic dispersion, so we can define the effective mass of the spin wave excitation.

在激发能动量接近基态的特殊的isospin 量子数选取下，可以把色散关系看成为二次函数的形式，由此得到了有效质量与能隙、激发态动量的关系。

The dynamics nuclear reaction with the Borromean nucleus 〓He was investigated based on the calculation of nuclear reactions system for stable nucleus 〓He and exotic nucleus 〓He collide on C target by an isospin-dependent Boltzmann-Langevin Equation which included symmetry energy, isospin-dependent N-N cross sections and isospin-dependent Pauli blocking.

论文最后，利用同位旋相关的Boltzmann-Langevin方程计算稳定核〓He和奇异核〓He同C靶的反应系统来研究〓He反应动力学特性，研究反应产生的核素产生截面，以及〓He产生截面随碰撞参数的变化。

As for the study of isospin in intermediate energy HICs, we've investigated how bothstength and density dependence of symmetry potential affect many measurableobservables, such as the yield, phase-space, and isospin distributions of fragments, as wellas the correlations between Intermediate-Mass-Fragment multiplicity 〓 andCharged-Particle multiplicity 〓 Light-Charged-Particle multiplicity 〓 andNeutron multiplicity 〓. The aim is to find sensitive observables specifically for strengthand density dependence of SP.

在中能重离子碰撞的同位旋研究方面，分别研究了对称势的强度和其密度依赖形式对中能重离子核反应各类碎片产物产额、相空间、及其同位旋的分布，中等质量碎片多重数与带电粒子多重数、轻带电粒子多重数、中子多重数的关联等多种实验观测量的影响，以获取对称势中该两方面的信息，尤其着重于研究如何分别获取有关该两方面的信息的途径。

Since the production of RNB provides a new isospin freedom for nuclear physicsresearch, study on the isospin effect becomes a very interesting topic.

放射性束流的出现为核物理提供了一个新的同位旋维度，因此对同位旋效应的研究引起了人们极大的兴趣。

In addition,comparing with the results of expanding evaporating source model and an isospin-dependent percolation model,it is found that the isospin dependence of multifragmentation mainly results from the isospin dependent reaction dynamics.

另外，通过与膨胀蒸发源模型及同位旋相关的渗透模型分析结果的比较，发现这种差别主要是由同位旋相关的反应动力学所造成的。

In order to construct cluster, an isospin-dependent coalescence model which considers simultaneously the coordinate,momentum and isospin restrictions and the restructured aggregation, is proposed.

同样，在传统的Boltzmann-Langevin方程中适当地考虑同位旋自由度，得到了同位旋相关的Boltzmann-Langevin方程，利用IBLE研究了〓的产生截面。

In the study of isospin-dependent nucleon-nucleon elastic crosssections in nuclear medium we find the medium correction of nucleon-nucleon scatteringcross sections is also isospin dependent,〓 depends on the baryon density weakly and 〓 depends on the baryon density significantly.

用QHD-Ⅱ模型研究了介质两体截面的同位旋相关性，研究结果表明截面的介质修正也是同位旋依赖的：中子-质子介质截面对核密度的依赖很弱，而中子-中子的介质截面对核密度的依赖很强。

Similarly, an isospin-dependent Boltzmann-LangevinEquation which included symmetry energy, isospin-dependent N-N crosssections and isospin-dependent Pauli blocking is developed and it is shown that thismodel can regenerate the experimental data for 〓 at 28.7 MeV/u.

基于前面给出的非相对论的核物质状态方程，系统研究了中子星的性质，如中子星的化学组份、质量、结合能、半径、密度剖面、转动惯量及表面红移等。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。