weak limit 中文意思是什麼

weak limit 解釋
貧油極限
  • 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;...
  • limit : n. 1. 界限,界線;邊界。2. 極限,限度;限制。3. 〈pl. 〉范圍,范域。4. 限價;限額;賭注限額;獵物限額。vt. 1. 限制,限定。2. 減少。adj. -able
  1. 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。
  2. In this thesis the in situ brilliant cresyl blue ( bcb ) dimer with weak fluorescence in the solution of anionic surfactant ( as ) sodium lauryl sulfonate ( sls ) was used as fluorescence probe. at the same time, the new method for the determination of bovine serum albumin ( bsa ) was built. the linear range was 0 - 7mg / l and the detection limit ( 3 o / k ) was 3. 66 10 - 3 mg / l, the r. s. d for the determination of 2. 00mg / l bsa was 2. 77 %

    本論文以陽離子染料燦爛甲酚藍在陰離子表面活性劑十二烷基磺酸鈉存在下形成的現場弱熒光二聚體為熒光探針,建立了測定牛血清白蛋白的新方法,該法線性范圍為0 7mg / l ,檢測限為3 . 66 10 ~ ( - 3 ) mg / l ,對2 . 00mg / l幾的牛血清白蛋白平行測定8次,相對標準偏差為2 . 77 ,說明本法準確可靠。
  3. All the results can be utilized by engineers, during the designing and construction. the main conclusions are listed as follows : ( 1 ) based on the shortest line between weak interbed and limit of excavation and the location of point of intersection between limit of excavation, classification of weak interbed distribution is set up, and the distance of distribution is defined ; ( 2 ) according to the strength and deformation equivalent principle, influence zone of weak interbed is introduced, and a new method to simulating the weak interbed with thickness is built ; ( 3 ) some quantificational results on influence of weak interbed respectively at crown, right shoulder and right wall are summarized ; ( 4 ) some quantificational results on influence of weak interbed with the distance between weak interbed and limit of excavation 0. 2d, 0. 5d, l. od are gained ; ( 5 ) some quantificational results on influence of weak interbed in the rock mass with confining coefficient 0. 38, 1. 0, 1. 5, 2. 0, 3. 0 are summed up ; ( 6 ) some quantificational results are summarized on influence of the underground surrounding rock mass stability with weak interbed, in the representational surrounding rock mass graded ii, iii, iv ; ( 7 ) according to the studying results some advices are suggested on designing of underground engineering

    主要結論如下: ( 1 )以軟弱夾層到開挖輪廓線最短距離和最短距離線與開挖輪廓線的交點位置為指標對軟弱夾層的分佈部進行了分類,並確定了軟弱夾層分佈距離; ( 2 )根據強度等效和變形等效的原則,引入了軟弱夾層影響帶的概念,建立了模擬軟弱夾層厚度的一種新方法; ( 3 )總結出了軟弱夾層分佈在拱頂、右拱肩、右邊墻時對地下洞室穩定性影響的量化指標; ( 4 )分析出了軟弱夾層距開挖輪廓線0 . 2d 、 0 . 5d 、 1 . 0d三種情況對地下洞室穩定性影響的量化指標; ( 5 )總結出了在不同的側壓力系數( 0 . 38 、 1 . 0 、 1 . 5 、 2 . 0 、 3 . 0 )地應力場中軟弱夾層對穩定性影響的量化指標; ( 6 )得出了在、 、代表性圍巖中軟弱夾層對穩定性影響量化結果; ( 7 )根據數值試驗成果提出了在有軟弱夾層圍巖中地下洞室設計原則的幾點新內容。
  4. The authors find that in weak sense, the limit behavior of

    可以發現,在弱收斂意義下,給權函數
  5. In the limit, for very weak rock, settlement at the boundary can also occur before the separation crack.

    在極限情況下,對于非常軟弱的巖石,形成分離裂縫之前,也會發生邊界處的沉陷。
  6. For the weak winning the strong, the most effective and correct practice is to ensure how it takes place and which conditions limit its development. by that, we can understand and use the dialectical relations of different conditions and therefore play a dynamic role that we not only in quantity but also in essence weaken the strong aspects or strengthen the weak aspects of the enemy, strengthen the weak aspects or weaken the weak aspects of our army to change us from the weak to the strong and the enemy from the strong to the army, and finally, to make us win the enemy

    對于以弱勝強而言,最有效的正確的實踐就是確定事物強弱轉化是如何形成的,什麼樣的條件制約其發展,從而正確處理尊重條件,認識條件和利用條件的辯證關系,充分發揮人的自覺能動性,通過削弱敵軍強的因素改善我軍弱的因素、擴展敵軍弱的因素增強我軍強的因素、創造有利條件以我之強對敵之弱,從量變到質變促成強弱轉化,使我們由弱變強,敵人由強變弱,最後戰勝敵人。
  7. The classical probability limit theory researchs largely the weak convergence or strong approximation of partial sums of random variable sequences. there is a classical literature, such as [ 19 ], [ 37 ] about that

    經典的概率極限理論研究的對象主要是隨機變量的部分和的弱收斂性或強收斂性, [ 18 ] [ 36 ]就是這方面的經典文獻。
  8. Limit theorems for the integration of function sequence with respect to weak convergence probability measure sequence

    函數序列關於弱收斂概率測度序列積分的極限定理
  9. On this occasion, having taken into account the prevailing market conditions and weak market sentiment, the hkma, on the advice of efil, has decided to set the tap issue limit at 100 million units

    有鑒于目前市況及市場氣氛薄弱,金管局諮詢過投資公司后,決定將2001年第4季的發售限額訂定至1億單位。
  10. On the uniqueness of the limit cycle of the quadraticsystem with a 2nd - order weak focus

    二次系統二階細焦點外圍極限環的唯一性
  11. In the second section, we study the multiplicity of weak focus in system ( 1 ) when b = 0, then system ( 1 ) becomes : in [ 7 ], the authors show that system ( 2 ) has rich global dynamics depending on all parameters, including a weak focus with multiplicity at least 2, but the authors did n ' t calculate the multiplicity. in the second section of this article, we calculate the order of the weak focus with formative series method and mathematica 4. 0, and show that the order of the weak focus is two for some parameters. we also get the stability, then by hopf bifurcation theorem, we show that system ( 2 ) has at least two limit cycles for some parameters

    而且我們選擇了系統的原參數中的二個作為分支參數,可以使系統( 1 )進行bogdanov - takens余維2普適開折,從而證明系統( 1 )同宿軌的存在性。第二部分我們討論系統( 1 )當b = 0時細焦點的階數。當b = 0時,系統( 1 )為一文7對系統p )進行了全參數分析得到系統)豐富的全局動力學性質,但當參數取某些值時系統間出現了階數大於或等於2的細焦點,文沒有計算該細焦點的階數。
  12. But in more situations the random variables generating counting processes may not independent identically distributed, and in all kinds of dependent relations, negative association ( na ) and positive association ( pa ) are commonly seen. the research and apply in this aspect are rather valuable. in chap 2 we prove wald inequalities and fundamental renewal theorems of renewal counting processes generated by na sequences and pa sequences ; in chap 3 we are enlightened by cheng and wang [ 8 ], extend some results in gut and steinebach [ 7 ], obtain the precise asymptotics for renewal counting processes and depict the convergence rate and limit value of renewal counting processes precisely ; at last, in the study of na sequences, su, zhao and wang ( 1996 ) [ 9 ], lin ( 1997 ) [ 10 ] have proved the weak convergence for partial sums of stong stationary na sequences. however product sums are the generalization of partial sums and also the special condition of more general u - statistic

    但在更多的場合中,構成計數過程的隨機變量未必相互獨立,而在各種相依關系中,負相協( na )和正相協( pa )是頗為常見的關系,這方面的研究和應用也是頗有價值的,本文的第二章證明了na列和pa列構成的更新計數過程的wald不等式和基本更新定理的一些初步結果;本文的第三章則是受到cheng和wang [ 8 ]的啟發,推廣了gut和steinebach [ 7 ] )中的一些結論,從而得到了更新計數過程在一般吸引場下的精緻漸近性,對更新計數過程的收斂速度及極限狀態進行精緻的刻畫;最後,在有關na列的研究中,蘇淳,趙林成和王岳寶( 1996 ) 》 [ 9 ] ,林正炎( 1997 ) [ 10 ]已經證明了強平穩na列的部分和過程的弱收斂性,而乘積和是部分和的一般化,也是更一般的u統計量的特況,它與部分和有許多密切的聯系又有一些實質性的區別,因此,本文的第四章就將討論強平穩na列的乘積和過程的弱收斂性,因為計數過程也是一種部分和,也可以構成乘積和,這個結果為研究計數過程的弱收斂性作了一些準備。
  13. The simulating results indicate that the scheme is stable in linear frame, and exists weak instability on the intersecting points of lateral boundary and interface in nonlinear frame. in present stage, a technique of using damping zone to limit the movement of the intersecting points is used to avoid this instability problem, however, to solve it thoroughly, the original model has to be modified in the future

    實驗證明,在線性框架下該模式是穩定的,但在非線性模擬中卻出現了由邊界角點引起的弱不穩定現象,必須對模式作進一步修改,為此同時提出了以消波器消除該角點影響的限制性解決方法。
  14. In this paper, systematic numerical test have been carried out to study the stability of surrounding rock mass with different distribution of weak interbed, different distance between weak interbed and limit of excavation, different thickness of weak interbed, in the different confining coefficient and representational surrounding rock mass graded ii, iii, iv. all of the numerical modeling is plain - strain type with elastic - plastic constitutive law and mohor - coulomb failure criterion, through the integrated numerical analysis program final. plentiful numerical test results have been drawn via analyse the deformation, tensile stress region, plastic region of surrounding rock and the stress status of shot - crete

    大量的工程實踐表明,軟弱夾層對地下洞室圍巖穩定性的影響有著決定性的作用,本文以大型數值模擬分析系統final為平臺,採用彈塑性應力應變關系和m - c屈服準則建立平面應變問題有限元模型,對軟弱夾層的分佈部位、分佈距離、軟弱夾層的厚度對圍巖穩定性的影響以及在具有不同側壓力系數的地應力場中和、 、類代表性圍巖中軟弱夾層對圍巖穩定性的影響進行了系統的數值試驗,研究得出了軟弱夾層對圍巖位移、拉應力區、塑性區以及噴射混凝土層內力等影響豐富的量化成果,以便直接為工程設計人員提供參考。
  15. However, this sort of loan has short time limit, small quantity and high rate, that influences the development of the small and middle - sized enterprise. there are two reasons for the shortage of the loan. the first reason is rest with the small and middle - sized enterprise : the small and middle - sized enterprise has not good credit condition, do not have good management records and permanent assets, the risk of management is big, the ability of competition is weak, the level of management is low and the consciousness of credit is dim. the second reason is rest with the bank

    目前銀行對中小企業惜貸主要有銀行和企業兩方面的原因,其中銀行乃至整個社會大環境不是眾多中小企業所能左右的,因而本文提出通過建立中小企業信用互助來增加銀行對中小企業的信任水平、降低其對中小企業的風險厭惡程度,從而降低中小企業貸款利率、延長貸款期限、增加貸款額度,擴大其融資的可能性邊界,逐步解決中小企業的融資困境。
  16. Nowadays with the deepening of reform and open policy and the set up of market economy, chinese basic - level public security organ has showed many problems in troops construction. these problems include law - breaking and discipline violation, low quality of the overall police, public security managing power ' s limit confusion, weak law guarantee

    現在,隨著中國改革開放的深入和中國市場經濟體制的逐步確立,我國基層公安機關在隊伍建設方面暴露出了許多問題,其主要問題是;違法違紀現象嚴重;幹警總體素質不高;公安管理職權范圍界定不清;執法保障不力。
  17. For a long time, sr was described as a phenomenon wherein the response of a nonlinear system to a weak periodic input signal is optimized by the presence of a particular level of noise. however, this description has served to limit the application of sr to signal processing

    但是到目前為止,隨機共振在信號處理中的應用的研究還只是局限在很小的范圍內,主要原因是以前大量的研究工作都從調節噪聲強度出發。
  18. On construction of weak frozen and low liquid limit clay foundation in the area of northeast china

    淺談東北地區弱凍低液限粘土路基施工
  19. With the example of suibei highway, the paper expounds the general construction method of filling the weak frozen and low liquid limit clay foundation in the area of northeast china

    摘要結合綏北公路建設實例,闡述東北地區弱凍低液限粘土路基填築施工的一般方法。
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