conservation law 中文意思是什麼

conservation law 解釋
生物保護法
  • conservation : n. 1. 保存，維持（健康），保守；保護；保護森林[河道]（等）。2. 【物理學】守恆，不滅。adj. -al
  • law : n 勞〈姓氏〉。n 1 法律，法令；法典。2 法學；訴訟；司法界；律師（界），律師職務。3 （事物或科學的...
  1. Its conservation law encompasses both its magnitude and its direction.

    它的守恆定律包括大小和方向兩方面。
  2. The conservation law provides a perspective from the vantage point of experiment.

    守恆定律提供了從實驗這個有利地位觀察到的圖景。
  3. According to the energy conservation law and presupposing not to change the times of total rotation of pumping units every day, the flush times are changed to adjust the load shape in order to realize power consumption by peak load cutting

    根據能量守衡定律，在保證抽油機每天運轉總沖數不變的前提下，用改變抽油機井沖次的方法來調節負荷，達到油田避峰用電的目的。
  4. This paper is concerned with, the existence and stability of travelling wave solutions for the viscous balance law which is an extension of viscous conservation law where a reaction term g ( u ) is added. l ) the existence of travelling wave solutions by geometric singular perturbation method, we investigate the existence of travelling waves ( a2 ) connecting a saddle point and a sink point and the existence of viscous shock waves c connecting two adjacent or disadjacent saddle points. by giving a detailed analysis of the fast and slow manifolds and verifying the transversality of the intersection of singular stable and unstable manifolds of the reduced problem along the singular heteroclinic orbit, we obtain the existence of travelling waves ( a2 ) in the case of a convex flow function / and that of viscous shock waves c under the assumption that f " is bounded

    主要結果如下： 1 ）行波的存在性本文利用[ 37 ]中幾何奇異攝動理論，通過仔細分析= 0時的快流、慢流，驗證= 0時慢流方程的穩定與不穩定流形橫截相交於奇異異宿軌道，先在f為凸的條件下嚴格證明了（ ）存在連接不相鄰的鞍點、結點的行波（ a2 ） ；然後在地f有界的條件下得到（ ）存在連接鞍點（包括相鄰和不相鄰）的粘性沖擊波c ，彌補了[ 11 ]缺少嚴格證明的不足，並推廣了[ 11 ]在f為凸的條件下得到的粘性沖擊波的存在性結果。
  5. 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。
  6. Pondering over soil and water conservation law revision

    關于修訂水土保持法的思考
  7. Viscous shock wave of viscous conservation law systems

    粘性守恆律方程的粘性激波
  8. A special class of shock wave of the conservation law

    保守場的一類特殊激波解
  9. The most important property for hamiltonian systems is the poincare and liuville ' s conservation law of phase areas, i. e., the phase flow is a one - parameter symplectic transformation

    哈氏系統最重要的性質是龐加萊-劉維爾的一系列相面積的守恆律，即系統的相流是一個單參數的保辛變換。
  10. By techniques of grid plot, grid corresponding and energy conservation law, finished the simulation and the evaluation on effect of tank cleaning

    第三章對洗艙效果進行評估，結合射流結構參數分析，利用有限單元理論和網格劃分技術以及能量守恆定律，得出合理的評估結果。
  11. By analyzing a wrong answer of conservation law of angular momentum, this paper points out that the main renson of the answer, and it gaives out two kinds of correct answers

    摘要通過對一個角動量守恆問題錯誤解法的分析，指出錯誤產生的主要原因，然後分別用兩種方法給出該題的解法。
  12. Conservation law of mass, the state equation for ideal gas 、 thermodynamic equation and flow rate equation are used to establish first order differential mathematic model, and a special investigation on mass flow rate coefficient for different components are carried out to make the model more accuarate

    從模擬和實驗兩個方面進行研究，著重於把ameset和客戶化定製兩種方法結合起來使用，利用質量守恆定律、理想氣體狀態方程、熱力學方程、流量方程等建立一階微分數學模型，並配以amesim平臺對所建立的模型進行進一步的系統模擬驗證。
  13. Based on the mass conservation law and momentum equations of incompressible fluid in manifolds, the three examples of style manifolds with different pipe diameter show the difference between the marching solution method and the standard solution method

    摘要在並聯管組水動力學基本方程的基礎上，分別採用水動力推進演算法和水動力標準演算法，對3種不同的分支管面積的型集箱進行計算，比較兩種演算法的計算結果差異。
  14. Based on the mass conservation law and momentum equations of incompressible fluid, the general equation for fluid flow in marching solution is established and the marching solution for flaid flow in manifolds is presented

    摘要以不可壓流體的連續方程和動量方程為基礎，將分支管流速作為未知量，建立推進演算法的基本方程和計算方法。
  15. By the method of unified colored noise approximation and the transformation of noise terms in langevin equation, the corresponding fokker - planck equation is obtained. the steady state probability current is derived according to the conservation law of probability

    通過統一色噪聲近似和朗之萬方程中的耦合噪聲項的變換，可得到相應的福克?普朗克方程，再根據幾率守恆定律推導出定態幾率流。
  16. Carrying out soil and water conservation law and promoting great development of soil conservation cause

    貫徹落實水土保持法促進水保事業大發展
  17. A nonphysics analogy illustrates the nature of conservation law.

    我們用一個非物理學的比喻來說明守恆定律的性質。
  18. The article, in consideration with the current state of wetland as well as the existed problems in china and in accordance with the sustainable development strategy, proposes to construct a reasonable frame for china wetland resource conservation law and to offer the references for bettering the juristic system of environmental resource as well as conserving wetland resource

    本文從我國濕地的現狀及保護中存在的問題出發，以可持續發展戰略為基本原則，力求建構一個中國濕地資源保護法基本框架，為完善我國的環境資源法律體系及濕地資源保護提供參考。
  19. 5 ) the variety, a famous concept proposed by the precursor of cybernetics, ashby, is extended from variable to systems. with the definition of system variety, the gotten conclusions lead to two new laws of variety in control systems : " the general conservation law of variety " for regulation systems, and " the law of requisite variety " based on the proposed basic information condition for tracking systems

    5 ）將ashby提出的變異度的概念由信號推廣到系統，給出了系統的變異度定義，進一步闡述了控制系統的變異度定律:針對調節系統，提出了「廣義變異度守恆定律」 ，對前人的結論進行了修正;針對跟蹤系統，提出了基於基本信息條件的「變異度必備定律」 。
  20. Solutions are advanced in time by explicit four - stage runge - kutta integration with up to second - order temporal accuracy. to avoid grid motion induced error, the geometric conservation law ( gcl ) is satisfied numerically

    為避免網格運動給數值解帶來額外誤差，給出了幾何守恆律的離散形式並在數值上滿足了幾何守恆律條件。
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