初始条件

The contents comprise the classification and principle of molecular dynamics, the interatomic potential, the related finite difference technique, the choice of initial and boundary conditions, the realization and control of equilibrium ensembles, the extraction of useful information and some applications in the materials science.

综述了分子动力学模拟技术的发展，介绍了分子动力学的分类、基本原理、原子间势函数的发展及势参数的确定、相关有限差分算法、初始条件和边界条件的选取、平衡系综及其控制、感兴趣量的提取以及分子动力学模拟在材料科学中的一些应用。

With incidence condition, solution of the coupled-mode equations can be obtained by inversion of the Laplace transform.

然后根据给定的初始条件进行拉普拉斯变换反演，求出耦合模方程组的解。

We analized the effect of the fiber loss on the squeezed ratio.

分析了不同初始条件下，光纤损耗对孤子压缩比的影响。

Based on the properties of miniature PSA oxygen production and a linear driving force approximation, a mathematical model for PSA processes of a Special Miniature Oxygen Concentrator is developed in this paper. The boundary and initial conditions for the model are analyzed and determined, and the finite difference method is applied to solve the partial differential equations.

基于微型变压吸附氧氮分离过程的特点和线性推动力模型，建立了描述该过程的数学模型，给出了求解的边界条件和初始条件，采用有限差分法对模型进行了求解。

Firstly,pre-time process including the construction of the model of cloth,the set of initial conditions and the collision detection are researched.Then,using minimizing intersection contour lines global method,the situation of cloth surface intersection is disposed emphatically,and the results of processing are evaluated and optimized.Finally,later process including the collision response,drawing and display are researched.

首先进行前期的布料模型构建、初始条件的设置以及碰撞检测；然后利用最小化相交轮廓线全局方法重点对布料表面相交情况进行了处理，并对处理结果进行了评价和优化；最后进行后期的碰撞响应以及绘制与显示。

Laminar burning, velocities, mass burning fluxes and Markstein lengths were obtained at various ratios of hydrogen to natural gas and equivalence ratios, and flame stability was analyzed and the stability tendency was estimated when flames grow to larger sizes.

在定容燃烧弹内研究了初始条件为常温常压的天然气－氢气－空气混合气火焰传播规律，得到了不同掺氢比例和燃空当量比下混合气的层流燃烧速率、质量燃烧流量和马克斯坦长度，结合火焰传播照片，分析了火焰的稳定性并预测了大尺寸火焰稳定性的演变趋势。

Laminar burning velocities, mass burning fluxes and Markstein lengths were obtained at various ratios of hydrogen to natural gas and equivalence ratios, and flame stability was analyzed and the stability tendency was estimated when flames grow to larger sizes.

在定容燃烧弹内研究了初始条件为常温常压的灭然气-氢气-空气混合气火焰传播规律，得到了不同掺氢比例和燃空当量比下混合气的层流燃烧速率、质量燃烧流量和马克斯坦长度，结合火焰传播照片，分析了火焰的稳定性并预测了大尺寸火焰稳定性的演变趋势。

Dynamic associative memory and essentialcharacteristics of chaotic neural network is dealt with: nonperiodic chaos, chaotic attractors and sensitivity tostarting condition.

采用一种由混论神经元构成的神经网络，通过研究其非线性动力学特性、混炖吸引子轨迹以及对初始条件的敏感性，实现混炖神经网络的动态联想记忆。

Dynamic associative memory and essential characteristics of chaot ic neural network is dealt with:nonperiodic chaos,chaotic attractors and sensiti vity to starting condition.

采用一种由混沌神经元构成的神经网络，通过研究其非线性动力学特性、混沌吸引子轨迹以及对初始条件的敏感性，实现混沌神经网络的动态联想记忆。

Three methods of unit impulse response in time domain are presented, odd function balance, equal initial condition and linear system analysis.

提出了连续系统单位冲激响应的3种时域求解方法：奇异函数平衡法、等效初始条件法和线性分析法。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。