weak dimension 中文意思是什麼

weak dimension 解釋
弱維
  • weak : adj 1 柔弱的;虛弱的,有病的。2 無力的,軟弱的;(根據等)不充分的,薄弱的。3 不中用的;愚鈍的;...
  • dimension : n 1 尺寸。2 【數學】次元,度(數),維(數)。3 【物理學】因次,量網。4 〈pl 〉容積;面積;大小,...
  1. Dimension design of coal pillar with weak plane in strip mining

    條帶開采中含弱面的煤柱尺寸設計
  2. E. e. enochs put forword the concepts of injective ( projective or flat ) ( pre ) cover and ( pre ) envelope in the early 1980s ", a lot of articles have studied existence and uniqueness of such ( pre ) covers and ( pre ) envelopes, the property of their kernels or cokernels, and character many special rings. moreover, if such kind of ( pre ) covers or ( pre ) envelopes exist, we can construct a complete injective ( projective or flat ) resolvent ( called resolution when exact ) and a partial injective ( projective or flat ) resolvent, and if r is a ring, we can study the relationship of its left global dimension l. d ( r ) ( or its weak dimension w ( r ) ) and the properties of syzygies ( or cosyzygies ) of a resolvent ( or resolution ), and the relationship of its left global dimension l. d ( r ) ( or its weak dimension ) and the exactness of a resolvent ( or resolution )

    自八十年代初e . e . enochs首次提出並研究內射(投射、平坦) (預)蓋及內射(投射、平坦) (預)包這些概念以來,大批論文研究此類包、蓋的存在性、唯一性問題以及它們的核、上核的性質,並據此刻畫了一些常見的特殊環;更進一步地,當此類包、蓋存在時,我們可構造相應的完全投射(平坦、內射)預解式(當正合時稱為完全分解式)以及單邊投射(平坦、內射)預解式,研究了環的左(右)總體維數、弱維數與此類分解式的合沖模(或上合沖模)的性質、復形正合性之間的關系。
  3. Finally, in the third section, by constructing some functional which similar to the conservation law of evolution equation and the technical estimates, we prove that in the inviscid limit the solution of generalized derivative ginzburg - landau equation ( ggl equation ) converges to the solution of derivative nonlinear schrodinger equation correspondently in one - dimension ; the existence of global smooth solution for a class of generalized derivative ginzburg - landau equation are proved in two - dimension, in some special case, we prove that the solution of ggl equation converges to the weak solution of derivative nonlinear schrodinger equation ; in general case, by using some integral identities of solution for generalized ginzburg - landau equations with inhomogeneous boundary condition and the estimates for the l ~ ( 2 ) norm on boundary of normal derivative and h ~ ( 1 ) ' norm of solution, we prove the existence of global weak solution of the inhomogeneous boundary value problem for generalized ginzburg - landau equations

    第三部分:在一維情形,我們考慮了一類帶導數項的ginzburg ? landau方程,通過構造一些類似於發展方程守恆律的泛函及巧妙的積分估計,證明了當粘性系數趨于零時, ginzburg ? landau方程的解逼近相應的帶導數項的schr ( ? ) dinger方程的解,並給出了最優收斂速度估計;在二維情形,我們證明了一類帶導數項的廣義ginzburg ? landau方程整體光滑解的存在性,以及在某種特殊情形下, gl方程的解趨近於相應的帶導數項的schr ( ? ) dinger方程的弱解;在一般情形下,我們討論了一類ginzburg ? landau方程的非齊次邊值問題,通過幾個積分恆等式,同時估計解的h ~ 1模及法向導數在邊界上的模,證明了整體弱解的存在性。
  4. Weak global dimension of smash products of hopf algebras

    代數的沖積的弱整體維數
  5. According to the characteristics of engineering geology and supporting design in weak rock tunnel is simulated, in this paper, the influence of system anchoring bolt during construction of large cross - section tunnel in weak rock by three - dimension finite element analysis

    摘要結合軟弱圍巖隧道工程地質和支護設計特點,應用三維數值方法模擬研究了軟弱圍巖隧道系統錨桿在一次支護中的作用效果。
  6. Lemma 7 h = be a weak hopf - coalgebra and is a normalized left integral of h1 ; then for all theorem 5 let h = be a finite - dimension weak hopf - coalgebra, then h is semisimple if and only if h1 is semisimple

    一余代數,則下列命題等價: ( hi半單問hi中存在正規左積分iehi問hi是可分的卜代數引理5對弱hopf7t一余代數h khalh ,八,乙)而言1是從的正規積分有: voe 。
  7. Then, this thesis analyzes the invertibilrty of transformation, and presents the formal definition of weak invertibte transformation, and calculates ( tuple - level ) derivation set of transformation by one - dimension merging and multi - dimension merging of the weak derivation set resolved by weak inverse attribute mapping

    在此基礎上,作者分析了轉換的可逆性,給出了弱可逆轉換的形式化定義,並通過對弱可逆轉換中弱逆映射求解的弱起源集進行單維合併、多維合併來求解轉換的(元組級)弱起源集。
  8. In order to enclose the cause of its formation, on the base of improving the heterogeneous shs model, the combustion wave in a three - dimension cylinder had been study under different initial condition and different combustion system. results showed the spin combustion model a weak flammability and a unsymmetrical

    在ni ai體系中,產物的主要物相為notl ,與平衡條件的反應產物相組成基本一致,但在產物的表面由於溫度梯度導致的應力不同分佈而出現了凝固的組織。
  9. Weak injective module and weak injective dimension

    弱內射模與弱內射維數
  10. First, calculating time delay and embedding dimension to reconstruct phase space. second, based on chaos theories, the artificial neural network is used to build one - step and multi - steps predictive model. third, combining with an adaptive filter, predictive error is processed so that weak signal is extracted from strong chaotic noise

    研究的內容分為三個方面: ( 1 )確定嵌入維數和延遲時間重構相空間; ( 2 )將混沌理論與人工神經網路結合,建立混沌時間序列(混沌背景)的一步與多步預測模型; ( 3 )結合自適應信號分離器對預測誤差進行處理達到檢測微弱信號的目的。
  11. The director in nlc cell may be expressed by one angle parameter 9 or, and it is called one dimension problem ; the director expressed by two angle parameters 6 and, called two dimension problem ; the paper consists of two absolute parts : l. the first order freedricksz transition at saturation point for the weak anchoring nlc cell the first order freedricksz transition ( the first order transition ) at threshold point has been studied by a lot of theoretical works

    液晶盒內指向矢可用一個角量或表示稱為一維問題,需要用兩個角參量和表示稱為二維問題。本文由兩個獨立的工作構成: 1弱錨定向列液晶盒在飽和點的一級freedericksz轉變現有的理論工作都討論在閾值點的一級freedericksz轉變(一級轉變) 。
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