退化橢圓 的英文怎麼說

中文拼音 [tuìhuàtuǒyuán]
退化橢圓 英文
degenerate ellipse
  • 退 : 動詞1 （向後移動） retreat; draw back; move back 2 （使向後移動） cause to move back; remove; wit...
  • 橢 : Ⅰ形容詞（卵形） oval-shapedⅡ名詞[書面語] （長圓形的容器） elliptic vessel
  • 退化 : become vestigial; degenerate; deteriorate; retrograde; devolution; retrogradation; retrogression;...
  • 橢圓 : [數學] oval; oval shaped; ellipse; ellipsoid橢圓規 ellipsograph; [圖] elliptic trammel; 橢圓軌道 ...
  1. The riemann - hilbert problem for first order linear elliptic complex equation with parabolic degeneracy is dealed with here

    討論了一階退化橢圓型復方程的riemann - hilbert邊值問題。
  2. We study in this paper the filtration problem in partially saturated layered porous media in one dimensional. that is the thid problem boundary value problem of on dimensional degenerate quasi - linear elliptic - parabolic equation with discontinuous coeffi - cients. the existence, uniquess of the solutions and some properties of the solution are proved

    本文主要討論一維有限雙層多孔介質中部分飽和的滲流問題，即具有間斷系數的一維擬線性橢圓-拋物退化方程的第三邊值問題。證明了該問題的解的存在性、唯一性及弱解的邊界性質。
  3. The discontinuous mixed problem for degenerate elliptic equations of second order

    二階退化橢圓型方程的間斷混合邊值問題
  4. The degenerate elliptic problems we shall study is very closely related to rigidity problems arising from infinitesimal isometric deformation, as well as other geometry problem, such as minimal surface in hyperbolic space. in particular, the existence of solution with high order regularity is very important to investigate geometry problems. one would like to know under what conditions the solution of such equations are as smooth as the given data

    通過構造輔助邊值問題，建立了各種能量不等式，並利用這些先驗估計，以及banach - saks定理得到了h ~ 1弱解存在性；利用退化橢圓型方程弱解與強解的一致性和已知的先驗估計，還得到h ~ 1弱解的唯一性。
  5. Existence and uniqueness for a class of degenerate divergence elliptic equations

    一類退化散度型橢圓型方程解的存在唯一性
  6. Existence and uniqueness are proved by lax - milgram theorem for a type of degenerate divergence elliptic equation in a type of sobolev spaces with weight, and also the regularity will be studied

    先用lax - milgram定理證明一類退化散度型橢圓型方程在帶權sobolev空間中弱解的存在唯一性，然後證明解的正則性。
  7. Oblique derivative problems for quasilinear degenerate elliptic equations of second order

    二階擬線性退化橢圓型方程的斜微商問題
  8. ( 2 ) by the jacobi elliptic function expansion method and computer symbolic systems ( maple, matlab ), many exact periodic solutions of nonlinear wave equations can be obtained and these solutions can degenerate solitary wave solutions, shock wave solutions, trigonometric function solutions

    （ 2 ）利用jacobi橢圓函數表示法和數學計算軟體（ maple ， matlab等） ，可以得到一類常系數非線性發展方程的雙周期解，這些解能退化成孤立子解，沖擊波解，三角函數解。
  9. Consider lu = y ( uxx + uyy ) + aux + buy + cu, in c r2 +, where ; and set a0 = a ( x, 0 ), b0 = b ( x, 0 )

    第四章使用moser引理和壓縮映象原理，得到一類特殊的二階半線性退化橢圓型方程邊值問題解的存在性
  10. ( 2 ) by the jacobi elliptic function expansion method and computer symbolic systems ( maple, matlab or mathematica ), many exact periodic solutions of nonlinear wave equations can be obtained and under some conditions, these solutions degenerate solitary wave solutions, shock wave solutions, trigonometric function solutions respectively

    （ 2 ）利用jacobi橢圓函數展開法和數學計算軟體（ maple ， matlab ， mathematica等） ，可以求得一類常系數非線性發展方程的雙周期解，這些解能退化成孤立子解、沖擊波解、三角函數解。
  11. They stated the existence of weak solution in if space and some hilbert spaces for the general boundary value problem of linear degenerate elliptic equations, and made a certain further contribution to the regularity theory. during the past three decades, several progresses have been made in the research of second order degenerate elliptic equations

    第二章在周期區域上考慮一類二階半線性退化橢圓型方程邊值問題的適定性及解的正則性，使用橢圓正則化方法和壓縮映象原理來研究問題。
  12. Mixed finite element approximation of a degenerate elliptic problem

    一個退化橢圓問題的混合有限元法
  13. Riemann - hilbert problem ; degenerate elliptic complex equations of first order

    Riemann - hilbert邊值問題一階退化橢圓型復方程
  14. Existence and uniqueness of weak solutions for a nonlinear 2d degenerated elliptic problem

    二維非線性退化橢圓問題廣義解的存在唯一性
  15. The riemann - hilbert problem for linear degenerate elliptic complex equations of first order

    一階退化橢圓型復方程的riemann - hilbert邊值問題
  16. The purpose of the present thesis is to investigate a special class of degenerate elliptic equations with boundary value conditions arising from geometry

    本文主要目的在於研究一類二階退化橢圓型方程邊值問題的適定性及解的正則性。
  17. Chapetr i is the introduction. we introduce briefly the above mentioned history of degenerate elliptic equations and the geometric background of this class problem we are concerned with

    第三章在一般區域上考慮一類特殊二階退化橢圓型方程邊值問題的適定性及解的正則性。
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