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group parameter
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  参数组
    We calculated the binding energy and the quadrupole deformation factor of odd-proton Nb-isotopes respectively in relativistic mean field theory,using three group parameters NL-SH,NL-3,NL-Z. We found an optimal group parameter in this region. Furthermore, we calculated the binding energy of other elements which have not yet been measured by experiment, and predicted their stability.
    在相对论平均场理论框架下,用3组参数NLSH、NL3、NL2分别计算了奇质子Nb同位素链的结合能和四极形变系数,确定了适用于该同位素区域的最佳参数组,在此基础上计算了实验上还未测定的其余元素的结合能,预言了它们的稳定性.
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    Fuel Assembly Few Group Parameter Calculation Code AFGPB and Benchmarking
    燃料组件少群参数计算程序AFGPB及其基准验证
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    This paper briefly introduced theoretical model and methodology of the reactor fuel assembly few group parameter calculation code AFGPB.The verification and validation of the code have been made by calculations of the IAEA plate-type fuel assembly benchmark problem and comparisons are made with the power distribution for CE company fuel assembly between the calculation values of the AFGPB, TPFAP and EPRI-CPM codes.
    介绍了自行开发的反应堆燃料组件少群参数计算程序AFGPB的理论方法和模型,并利用IAEA板元件组件基准问题对其进行了验证分析,同时给出了TPFAP和CPM程序对美国CE公司燃料组件功率分布的校算结果。
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  group parameter
In this study, a group parameter, melting index, is used to interpret the molten state of particles, which also reflects the thermal energy of the particles.
      
We use two versions of the ε-expansion (with ε = 4 - d and with ε = α - 3d/2, where α is the renormalization group parameter) and evaluate the critical indices ν and η up to the second order of the perturbation theory.
      
This mapping taken at the renormalization group singular point and with the renormalization group parameter α=1 generates cycles of arbitrary lengths.
      
The overall accuracy of prediction was found to vary from a minimum of 84% for a model based on the eccentric connectivity index to a maximum of 91% for a model based on the Zagreb group parameter.
      
A training set comprising 59 analogs of substituted thiophenes was selected and the corresponding values of Wiener's index, the Zagreb group parameter, and the eccentric connectivity index for each compound were calculated.
      
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It was shown that both odd and even SU (1,1) coherent states present amplitude squared squeezing. In the case that the fields were in the squeezed states the conditions that the group parameters should satisfy were given.

证明了奇偶两种SU(1,1)相干态光场都存在振幅平方压缩,给出了光场处于压缩态时群参数必须满足的条件

WT5BZ]The dynamical Lie algebraic method for describing the reactive collisions is presented. The great advantage of the Lie algebraic method is that it can give analytically the expressions of the evolution operator. Once the dynamical Lie algebra and the dymanical Lie group are generated for a given Hamiltonian, the evolution operator U(t,t 0) as the elements of the dymanical Lie group is a function of the group parameters. These parameters can be determined in general by solving...

WT5BZ]The dynamical Lie algebraic method for describing the reactive collisions is presented. The great advantage of the Lie algebraic method is that it can give analytically the expressions of the evolution operator. Once the dynamical Lie algebra and the dymanical Lie group are generated for a given Hamiltonian, the evolution operator U(t,t 0) as the elements of the dymanical Lie group is a function of the group parameters. These parameters can be determined in general by solving the coupled first order nonlinear differential equations of the group parameters. Because of these features in this new method we are able to give the analytical expressions that include the main dynamical parameters for S matrix elements, the transition probability and the evolution of the expectation value of the energy for the reaction system.

提出一种李代数方法描述分子反应碰撞问题 .给出了含有主要动力学参量的S 矩阵元、分子碰撞跃迁概率以及反应体系能量统计平均值随时间演化的解析表达式 .讨论了一个简单排斥势场中的原子———双原子分子共线反应体系 ,以阐明这种新方法的要点 .

We calculated the binding energy and the quadrupole deformation factor of odd-proton Nb-isotopes respectively in relativistic mean field theory,using three group parameters NL-SH,NL-3,NL-Z.We found an optimal group parameter in this region. Furthermore, we calculated the binding energy of other elements which have not yet been measured by experiment, and predicted their stability.

在相对论平均场理论框架下,用3组参数NLSH、NL3、NL2分别计算了奇质子Nb同位素链的结合能和四极形变系数,确定了适用于该同位素区域的最佳参数组,在此基础上计算了实验上还未测定的其余元素的结合能,预言了它们的稳定性.

 
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