This paper deals with the existence of two positive solutions for critical elliptic equations with a changed sign perturbation and with an auxiliary condition.
讨论了带变号扰动并且具有一定附加条件的临界椭圆方程的两个正解存在性。
The stability allowance of elliptic bearing and three oil wedge under the design parameter and operating condition in middle and light loading area is discussed.
讨论了在设计参数及运行条件下椭圆轴承和三油楔轴承在中、轻载区的稳定性裕度。
By means of the variational approach, in a condition weaker than(AR) the existence of infinitely many solutions of fourth-order elliptic equation is discussed.
在比（AR）条件更弱的一类超线性条件之下，利用变分方法讨论了一类超线性四阶椭圆方程的无穷多解的存在性。
In this paper, the strong extremal principles have been proved for second or der linear elliptic equations on the domain which satisfies an interior cone condition.
本文对一般的二阶线性椭圆型方程，在满足内部锥条件时，证明了其强极值原理。
This paper aims at studying the boundary value for second order quasilinear elliptic equations with nonlinear boundary condition in exterior domain.
研究在外部区域中拟线性椭圆型方程，具有非线性边界条件的边值问题。
In this paper, we consider the nonlinear elliptic systems under the controllable growth condition.
考虑具有可控增长条件的非线性椭圆方程组弱解的部分正则性。
This paper studies the necessary and sufficient condition of uniformly convergent difference scheme for the elliptic-parabolic partial differential equation with a small parameter.
本文研究小参数椭圆-抛物偏微分方程一致收敛差分格式的充要条件。
Study on the characteristics of variable condition of the same cascade equipped with a cylindrical or a elliptic lacing wire is made in this paper with CFD.
本文主要运用CFD方法，在同一平面叶栅，对分别装有圆柱形和椭圆形拉金进行了多个工况下气动特性的比较。
For the first class of elliptic systems, the problem given analytic data on two arbitrary intersecting lines is well-posed if condition (D) is invalid;
本文讨论了第一类椭圆组的一个定解问题，证明了：如果条件（D）不成立，则在任意两条相交直线上给出解析数据的定解问题是适定；
For the first class of elliptic systems, the problem given analytic data on two arbitrary intersecting lines is well-posed if condition (D) is invalid;
本文讨论了第一类椭圆组的一个定解问题，证明了：如果条件（D）不成立，则在任意两条相交直线上给出解析数据的定解问题是适定；
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