连续方程

We developed the theories and methods founded by C.S.Wen at low Knudsen number, gain the relative velocity and relative Brownian diffusivity tensor of the particles, and the pair-distribution equation at high Knudsen number is established.

首先，从C.S.Wen已经建立了的低Knudsen数下连续介质体系中碰并理论一系列方法出发，得出了高Knudsen数下的粒子间的相对重力速度和相对Brown扩散系数，并得到了高Knudsen数条件下的对分布方程。

The Routh criterion is a method for determining continuous system stability, for systems with an nth-order characteristic equation of the form

劳斯判据是用来判断连续系统的稳定性的，如系统具有如下n阶特征方程形式

In the last part we investigate the existence of global attractors for the timediscretization model from a class of reaction-diffudion equations with delay, andthe upper semicontinuity of the global attractors is obtained under some sufficientconditions.

第三部分研究了一类时滞反应扩散方程的时间离散化模型，证明了连续模型离散后整体吸引子的存在性，并在一定条件下证明了离散整体吸引子的上半连续性。

The continuum mechanics basic equations of the compress-shear deformation of primary shear zone are presented.

针对第一变形区的压缩剪切复合变形过程，建立了连续介质力学基本方程。

It is shown that for all auction mechanism, except the second highest bid-price rule, all equilibrium strategies are continuously differential and strict monotonically increasing, and morever the set of Nash-equilibria is completely described by a boundary value problem for a system of singular differential equations.

证明除了次高价格拍卖规则外，所有拍卖机制的均衡策略都是连续可微和严格单调增的，并且Nash均衡集完全由一阶微分方程系统的边值问题所刻划。

Based on the classic theory of the capital structure and the three theorem of Modigliani-Miller, I use the stochastic equation as a tool to get the model of the capital structure.

在分析和借鉴西方资本结构理论的基础下，结合连续时间的Modjgliani-Miller的三个定理，考虑到市场的不确定性及汇率的波动性，利用随机偏微分方程理论，对企业的资本结构进行分析，从而得到企业总价值的模型。

Result: 1. The method of arc-needle injection with 131I-iodinated oil step-by-step sector-shapely improved obviously the drug distribution, comparing with routine linearity injection. 2. SPECT image reconstruction detect 131I-iodinated oil three-dimensional distribution quantitatively. 131I-iodinated oil metabolism equation may obtained by continuous measurements, in order to calculate absorption dose of p particle at target. 3. ZT glue lengthens obviously 131I-iodinated oil retention in mouse local subcutis and rabbit liver which can rise local radiation effect, decrease injury at normal tissue.

结果：1、弧形针分段扇形注射~(131)I-碘化油，比常规使用的线性注射明显改善药物弥散均匀度。2、SPECT断层扫描定量检测~(131)I-碘化油的三维分布，连续测量建立~(131)I-碘化油的代谢方程，并计算~(131)I对靶区的β辐射贡献的吸收剂量。3、ZT胶明显延长~(131)I-碘化油在大鼠皮下、兔肝脏内的滞留。

I-iodinated oil metabolism equation may obtained by continuous measurements, in order to calculate absorption dose of β particle at target. 3. ZT glue lengthens obviously 〓I-iodinated oil retention in mouse local subcutis and rabbit liver which can rise local radiation effect, decrease injury at normal tissue.

结果：1、弧形针分段扇形注射〓I-碘化油，比常规使用的线性注射明显改善药物弥散均匀度。2、SPECT断层扫描定量检测〓I-碘化油的三维分布，连续测量建立〓I-碘化油的代谢方程，并计算〓I对靶区的β辐射贡献的吸收剂量。3、ZT胶明显延长〓I-碘化油在大鼠皮下、兔肝脏内的滞留。

Hybrid Dynamic; time-varying systems; finite horizon; optimal control; Quasi-Variational Inequality; viscosity solution; lower semicontinuous solution; uniqueness; Dynamic Programming; Viability Theory; inventory systems; mathematical model; proximal subdifferential; parabolic equation; nonlinear boundary

基础科学，数学，控制论、信息论混合动态；时变系统；有限时间；最优控制；拟变分不等式；粘性解；下半连续解；唯一性；动态规划；生存定理；库存系统；数学模型；邻近次微分；抛物型方程；非线性边界

For convenience of finite element discretization and preserving symmetry of the stiffness matrix, approximation and symmetrization of the continuum equilibrium equations were conducted.

为了便于进行有限元离散化并保持总刚度矩阵的对称性对连续介质平衡方程进行了简化和对称化处理。

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。