动力学

This dissertation includes two aspects of work: the first is about the potential barrier and the dynamical mechanism of heavy-ion fusion reactions, and the second is about the strongly damped reactions of very heavy nuclei.

本论文基于改进的量子分子动力学模型研究了以下两个方面的工作：第一方面，对重离子熔合势垒和熔合反应动力学机制进行了研究。

Contact-impact model and its discrete schemes for revolute pairs with small clearances ;2. Based on the theory of contact dynamics,the dynamic model with clearances of sizing press roll was established using the method of numerical simulation.

基于接触动力学的理论，利用数值模拟的手段建立了调宽机含间隙的动力学数学模型，采用定步长四阶Runge-Kutta数值积分的方法，详细研究了运动副内间隙对接触力的影响规律。

Based on the theory of contact dynamics, the dynamic model with clearances of sizing press roll was established using the method of numerical simulation. The paper studied the effect of clearances on contact force inner Mechanism joints detailedly by the method of numerical integration of fix step length four orders Runge-Kutta.

基于接触动力学的理论，利用数值模拟的手段建立了调宽机含间隙的动力学数学模型，采用定步长四阶Runge-Kutta数值积分的方法，详细研究了运动副内间隙对接触力的影响规律。

During the ordinary modeling process of first order hydraulic system, some principal diagonal elements of mass matrix were zero, and the stiffness matrix was nonsymmetrical.

建立以界面信息形式表达的一阶液压均衡系统动力学方程，同时利用卷扬系统动力学方程，首次建立机械卷扬-液压均衡子系统动态耦合的数学模型。

In this paper, by developing Fortran program, the vibration characteristic, the interior ballistic, the projectile motion in bore, the artillerys dynamic response, the projectile initial disturbance are simulated. Those results offer the necessary base for further researching firing accuracy of the self-propelled artillery.

本文编制了自行火炮武器系统发射动力学的计算程序，实现了对某自行火炮的固有振动特性、内弹道过程、弹丸膛内运动、火炮动力响应、弹丸起始扰动的动力学仿真，为进一步研究自行火炮射击精度提供了必要的基础。

The kinetics of Prussian blue film itself during the redox process and of the catalytic oxidation of ascorbic acid (AH2) on it have been studied in detail.

本文详细研究了普鲁士蓝薄膜本身电荷传输过程的动力学及PB 薄膜催化抗坏血酸(AH2)电氧化的动力学。

Objective:To explore the psychodynamic differences between using Pu Tong Hua and dialect in psychodynamic oriented psychotherapy.

目的：探讨在心理动力学取向的心理治疗过程中分别使用方言和普通话的动力学上的差异。

Objective:To explore the psychodynamic differences betw een using Pu Tong Hua and dialect in psychodynamic oriented psychotherapy.

目的：探讨在心理动力学取向的心理治疗过程中分辨使用方言和普通话的动力学上的差异。

In order to quaintly study the dynamic changeable law of reactive oil contaminants in sand-water system, hydrodynamic parameters for water and salt movement and reactive hydrodynamic parameters are measured through hydrodynamic dispersion test and one dimensional convection and dispersion model.

为了定量地研究滩涂－水系统反应性石油污染物的动态变化规律，通过水动力弥散实验和一维对流、弥散模型确定了水分和溶质在滩涂－水系统的水－盐动力学参数和反应动力学参数。

In order to design lighter and faster hydraulic excavator, a rigid-flexible hybrid modeling method based on rigid multi-body dynamics and finite element method was put forward to study the dynamic characteristic of hydraulic excavator in its whole working cycle. The working equipment with characteristic of time-varying structure was taken as research object, and radial acceleration was computed as tags of key load.

为适应液压挖掘机高速、轻量化的要求，以具有时变固频特性的液压挖掘机工作装置为研究对象，提出了以角加速度判断时变结构的关键工况，利用刚性多体动力学和有限元方法对液压挖掘机在整个作业循环中的动力学特性进行建模和分析。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。