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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？？

In part two, this thesis is dealt with properties of solutions to a degenerate parabolic system coupled via non-local sources, subject to homogeneous Dirichlet conditions and nonnegative initial data.

第二部分，讨论了一类具有齐次Dirichlet边界条件和非负初值的非局部源耦合的退化抛物系统的第一初边值问题。

This paper,in which the blow-up rate of the blowup solutions is evaluated with appropriate hypotheses,considers the blow-up rate of a degenerate reaction-diffusion system with homogeneous Dirichlet boundary conditions.

文中考虑了一类退化反应扩散系统在齐次D irichlet边界条件下的爆破速率。在适当的假设条件下，得到了爆破解的爆破速率估计

Based on the basic theoryof non linear finite element, the author of the paper set up the double non linearfinite element equation based on the updated Lagrangefor mutations forthe 8-node degenerate shell element and considering the nonlinear of geometryand the nonlinear of materials.

本文根据非线性有限元的基本理论，采用基于修正的拉格朗日法描述的八节点超参数壳体单元，考虑几何非线性和材料非线性，推导建立了双重非线性有限元方程，结合混合强化本构关系，编制了非线性有限元计算程序。

In long wave limit, these elliptic function wave patterns may degenerate into single valued localized excitations dromion and multi-lumps.

椭圆函数传播波之间的相互作用是非弹性的，而在长波极限下相应相干孤子激发Dromion，Lumps之间的相互作用可以是弹性的，也可以是非弹性的。

A new mixed finite element method for an elliptic problem with degenerate coefficients is presented.

对一个具有退化系数的椭圆问题提出了一种新的混合有限元法。

Adding β-glucosan enzyme or liquid cellulose in the ensilage stage at 30℃ for 5 d may well degenerate plant cell wall, which is useful for lutein extraction.

在青贮阶段添加β-葡聚糖酶或液态纤维素酶30℃青贮5 d，可以很好的降解植物细胞壁，利于叶黄素的提取。

It is to be estimable, in flooding noisily, You have no quilt Lose" degenerate"ly.

难能可贵是，在充斥着喧嚣和铜臭的功利足球年代里，你并没有被"腐化"掉。

In the case of ethane, then , there exist three conformational isomers or conformers, which are degenerate because they are congruent , have the same energy, and are, in all respects, indistinguishable.

在乙烷的话，那么，我们有三种异构体或构构，这是堕落，因为他们是一致的，具有相同的能量，并在所有方面，没有什么区别。

Stay away from my husband, you degenerate piece of human filth, or you're dead!

离我丈夫远点儿，你这个自甘堕落的人渣，不然你就死定了！

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。