整体存在

In Chapter 3, as the first step, we consider the Cauchy problem for the simplified hydrodynamic model (1.2.2) for semiconductors in themulti-dimensional space.

在第三章中，作为研究的出发点，我们首先考虑了半导体模型中的高维简化Euler-Poisson方程组(1.2.2)的柯西问题，当初值在平衡态附近扰动时，建立了该问题经典解的整体存在性，唯一性和指数稳定性。

The control inputs guarantee the asympototical stability, and the global existence and uniqueness of solutions for the initial value problems of systems under some consistency conditions also.

第二节，我们将变结构控制的思想应用到一类带变秩系数阵的线性时变广义系统，以确保系统运动过程中出现的新的相容性条件的满足，从而确保系统初值问题解的整体存在唯一性。

In this paper, we study the global existence and finite time blow up of the solutionfor a nonlinear degenerate parabolic equation with a non-local source.

本文研究了一类含非局部源的退化非线性抛物型方程的解的整体存在性和有限时刻爆破性质。

Next,critical global existence exponent and critical Fujita exponent are proved for the half space problem to a doubly degenerate parabolic equation with nonlinear flux condition.

其次，对一类具有非线性边界流的双重退化抛物型方程半无限问题，运用比较原理给出了解的整体存在临界指标和Fujita临界指标。

In this thesis, we consider positive solutions of a degenerate parabolic system with homogeneous Dirichlet boundary condition. It is proved that all positive solutions exist globally iff 12≥abλ, whereλ1 is the first eigenvalue of ??

该论文研究一类具有齐次Dirichlet边界条件的退化抛物方程组正解的性质，证明了所有正解整体存在的充要条件是12≥abλ，其中λ1是具有齐次Dirichlet边界条件的？？

At last, we are concerned with the global existence and asymptotic behavior of smooth solution to the initial boundary value problem for the bipolar hydrodynamic model with the Neumann and Dirichlet boundary condition in the one-dimensional case, respectively. The difficulties from the coupled action between electrons and holes are carefully dealt with.

另外，本文也深入研究一维空间双极半导体流体动力学模型初边值问题光滑解的整体存在性及其衰减性，分别讨论了两类在实际应用中重要的边值条件，克服了由于电子和空穴之间的耦合作用所带来的困难。

In this chapter, we improve the above results and study Dirichlet problem.

本章还对具有特殊扩散系数的p-Laplace方程讨论了解的整体存在性及解的性质。

We discussed the coupled generalized BBM equations with pseudodifferential operator in Chapter three.In this chapter we get the global existence for the Cauchy problem by Banach-fixed point theorem ,a priori estimates and Sobolev embedding theorem.

第三章讨论了具拟微分算子的广义BBM方程组，通过Banach不动点定理、解的先验估计和Sobolev嵌入定理得到了解的整体存在性。

Section one discusses Sushi's"go-back plot", reviews Sushi' dynamic psychological process with a political implication and his multi-player psychological state combining the thoughts of Confucian, Taoism and Buddha as a theoretical foundation and the historical authenticity as a background, Sushi constructed a"let-it-be" cultural system using"peace-at-heart"as a goal and"correspondingto-change"as a style of walk.

第三节，考察柳永词的传播及其文化价值，作者认为，柳词的传播，不但是词、乐、声、舞多种艺术审美的撞击过程，而且是以北宋文化传播的整体存在为依据的文化整合活动，是柳词得以存在、得以实现其艺术和文化效应的社会行为，柳词的传播实现了词体的传播化。

Serre was improved for Cauchy problem of compressible adiabatic flow through porous media, and a complete result on the global existence and the blow_up phenomena of classical solutions of these systems.

Serre得到的关于多孔介质中可压缩流体力学方程组解的存在性结果，给出了其Cauchy问题的一个关于经典解整体存在和破裂的完整结果·这些结果说明强耗散有助于&小&解的光滑性

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了