动力学

In most situations, the polysome system dynamic equation is the non-linearity the ordinary differential equation or the differential - algebra system of equations, it is generally obtains the equation through the computer value simulation then get the numerical solution, then through to numerical solution analysis, understanding polysome system dynamics characteristic.

多数情况下，多体系统的动力学方程是非线性常微分方程或微分-代数方程组，一般是通过计算机数值仿真得到方程的数值解，然后通过对数值解的分析，了解多体系统的动力学特性。

In this paper,the synthesis of Talc/PMMA graft copolymer is studied,and the apparent kinetic test conducted by dilatometer. The effects of the initiator's concentration, the monemor's content, the talc's content and the reaction temperature on polymerization rates were investigated,and the apparent activation energy was determined.

文章主要研究了滑石粉／PMMA接枝物的合成和表观动力学测试，采用膨胀计法研究了接枝聚合反应表观动力学，探讨了引发剂浓度、单体用量、无机微粒滑石粉用量及反应温度等对反应速率的影响，并且测定了反应的表观活化能。

In this paper, the modeling theory of multi-rigid-body dynamics was thoroughly investigated in order to make up the shortcoming in the above modeling method. The major research achievements are as follows:①Based on the matrix of direction cosine between the body-fixed base and the reference base, and Poisson equation of a rigid body rotating, the coordinate transformation method for the modeling of treelike multi-rigid-body dynamics is derived. The method is very routinization and easy to use the computer to carry on the symbol derivation.

本文针对上述建模方法存在的不足，深入地研究了多刚体系统动力学的建模方法，并将所研究的新方法应用于惯性振动设备的建模，取得的主要研究成果如下：①基于刚体连体基关于参考基的方向余弦矩阵和刚体转动的Poisson方程，导出了建立树形多刚体系统动力学方程的坐标变换法，其过程极其程式化，便于利用计算机进行符号推导。

The characterization results show the compatibility between continuous phase and dispersed phase of the alloys is good.

首次对国产球型催化剂用于乙烯气相均聚过程的动力学和颗粒形成过程进行了详细的研究，发现了特殊的聚合动力学现象。

The simulated results indicate that the properties of the chaotic dynamic system are sensitive to the driven frequency. A threshold value of amplitude exists for the appearance of chaos phase. The system is insensitive to the dissipative magnetic force.

数值模拟结果表明：混沌实验摆系统动力学性质灵敏地依赖于策动频率值；系统策动振幅必须大于一定阈值是混沌相出现的必要条件；磁阻尼参数对系统混沌相动力学状态影响不明显。

The division of migration-accumulation dynamic system was one of its dominantly studying contents.

成藏动力学系统划分是成藏动力学系统研究的核心内容之一。

According to the point of view of mechatronics, the modeling of the dot-matrix needle printer head has been completed by the method of electromechanics.

本文从机电一体化的观点出发，运用机电动力学方法，完成了计算机的点阵针式打印头的建模，并进行了数值模拟分析，且推导出"L"形打印头的磁路、电路和动力学方程，给出了相应的初始条件和边界条件。

Dynamic test is very important for verifying performance of rail vehicle.

机车车辆动力学试验是对铁路机车车辆的动力学性能进行检验的一项重要试验。

Of or relating to the study of dynamics.

动力学的：动力学的或与之相关的

The acoustic analysis by computer technique , aero-dynamic measurement and the examination by laryngoscopy are of value in the diagnosis and treatment of functional dysphonia.

采用喉镜、计算机声学分析和空气动力学检测方法获取喉部图像、嗓音声学及空气动力学特征有助于功能性发声障碍的分类、诊断及鉴别诊断，并为进一步选择合适有效治疗方法提供客观依据，因而这些检测方法在功能性发声障碍中有一定应用价值。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。