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Chapter 2 studies a doubly degenerate parabolic equation subject to nonlinear inner source and boundary flux.

第二章考虑一类具有非线性内部源与非线性边界流的双重退化抛物型方程。

Chapter 3 considers a doubly degenerate parabolic equation subject to inner absorption and boundary flux.

第三章研究一类具有非线性内吸收项与非线性边界流的双重退化抛物型方程。

Firstly ,the degenerate parabolic equation with shif t element is regularized.

即证明扰动问题的解的极限(ε→0)是不含扰动项的退化抛物方程的解。

The uniqueness of solutions to the initial boundary value problems of a degenerate parabolic equation is proved by means of a regularizing technique based on elliptic operators.

基于椭圆算子证明一种退化抛物方程初边值问题广义解的惟一性。

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。

Degenerate parabolic equation ; Blowup set ; Blowup rate

退化抛物方程；爆破点集；爆破速率

We generalizes the concept of the parallel rays of Euclidian space to a complete noncompact Riemannian manifolds and discuss its properties. The above quasilinear degenerate parabolic equation arises from physics,mechanics, biology and finance etc fields.

上述拟线性退化抛物方程来源于物理、力学、生物和金融等许多领域，研究该方程解的存在性、唯一性和稳定性及其他性质具有广泛的意义。

Renormalized solutions of a class of strongly degenerate quasilinear parabolic equation s

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The controversy has revealed that laws without ethical underpinnings easily degenerate into a set of regulations that defend the interests of those who can afford to hire lawyers--in this case, the record companies.

这次事件表明法律没有伦理的支持很容易退化成一套规则，只保护请得起律师的人的利益，在这个案例中，指那些唱片公司。

A fragment of phthalate dioxygenase gene was successfully amplified from the genus of Delftia for the first time using a set of degenerate primers.

以一对简并引物，首次在该属中扩增出编码邻苯二甲酸双加氧酶的基因片段。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。