wave diffusion 中文意思是什麼

wave diffusion 解釋
波傳布
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪;碎浪; 〈the wave(s)〉 〈詩〉海。2 波動;波狀...
  • diffusion : n. 1. 散布,發散。2. 傳播,普及。3. 冗長。4. 【化學】滲濾。5. 【物理學】擴散,漫射。
  1. Firstly we deduce hyperbolic function transformation and then apply to a class of reaction diffusion equation and brusselator reaction diffusion model which has physics, chemistry and biology significance. thus we obtain many new exact and explicit solutions ( including solitary wave soluiton, peoiodic wave solution and rational functions solutions ) to above equations

    推導出了雙曲函數變換,利用此方法探討了一類反應擴散方程, brusselator反應擴散方程這些具有物理、化學、生物意義的方程的精確解(包括奇性孤波解,周期解和有理函數解) 。
  2. This dissertation investigates both existence of traveling wave solutions for delayed reaction diffusion systems and lattice differential equations, and global attractor of spatially discretized fitzhugh - nagumo equations with dirichlet or neumann boundary conditions. for delayed reaction diffusion systems, the existence of traveling wavefronts in diffusive and coorperative system with time delays is provided, firstly ; the monotone iteration scheme, together with upper - lower solution technique, is applied to establish the existence of traveling wavefronts of delayed reaction diffusion systems with some zero diffusive coefficients. secondly, schauder fixed point theorem is applied to some operators to prove the existence of traveling wave solutions in a properly subset equipped with exponential decay norm, which is obtained from a pair of upper and lower solutions for delayed reaction diffusion systems with non - quasimonotoiiicity

    對于時滯反應擴散方程,我們先利用吳建宏和鄒幸福[ j . dynam . diff . eqns2001 ( 3 ) ]中的主要定理來研究時滯競爭擴散lotka - volterra系統波前解的存在性,給出了這個定理在非線性項滿足弱擬單調條件( qm * )時在系統情況中的應用;並利用單調迭代方法和上、下解技術,對于具有部分零擴散系數的時滯反應擴散方程建立波前解的存在性定理,對于具有部分零擴散系數的時滯反應擴散方程建立波前解的存在性定理。
  3. The variation of wave - induced nearshore current fields and long period oscillation of water surface result in sediment transport, resonance of harbors, ship failures, diffusion of pollutants and difficult sea rescues, drawing scientific researchers " concern

    由波浪產生的近岸流場的變化和水面的長周期振蕩,導致泥沙遷移,港口共振,船舶失事,污染擴散,海上救生困難,這些都已經引起了科研工作者的廣泛重視。
  4. In the study of the diffusion - reaction equation, the mass diffusion was believed could cause some order - behavior in the reaction, however in shs this effect was n ' t found. it was believed due to that mass could mainly diffuse in a fixed direction in shs, the combustion wave ' s direction

    由於自蔓延過程中,燃燒波基本上是以單一行波的方式蔓延過樣品,因而擴散過程的方向基本是確定的單一方向,在shs過程中的作用主要是引起能量和物質的耗散,沒有導致通常擴散反應可能形成的有序性。
  5. In this thesis, a semi - classical model of the force on an atom is used to describe the motion of a two - level atom interacting with a standing wave laser field. the velocity dependent force and momentum diffusion are derived through optical bloch equations by using the matrix form of the continued fraction technique. by investigating the dynamic properties of atoms in laser field, we can control and manipulate the mechanical motion of an atom

    本文利用半經典理論,從二能級原子在激光駐波場中所滿足的運動方程出發,推導出密度矩陣元所滿足的遞推關系,利用矩陣連分數方法求解出密度矩陣元,從而求出依賴于原子運動速度的光壓力與動量擴散系數,通過討論原子在激光場中的動力學行為,為原子在激光場中被囚禁、形成原子列陣以及可控制的量子態,從而為量子信息處理提供理論基礎。
  6. Frequency locking of propagating wave fronts in reaction - diffusion systems

    反應擴散系統中波傳播的鎖頻現象
  7. This phenomenon, peculiar to the two-dimensional wave motion, is sometimes called diffusion.

    二維波所特有的這種現象,有時叫做彌散現象。
  8. In chapter 2 and 3, wave front solutions of the delay reaction - diffusion cui - lawson equation and the 2 - dimensional competitive lotka - volterra systems are obtained by constructing an upper solution and a lower solution of a second differential equation with delay. in chapter 4, it is discussed that travelling wave solutions of the delay reaction - diffusion equations whose reaction term do not satisfy quasimonotonicity condition or weak quasimonotonicity condition

    在第二章和第三章,利用一類二階時滯微分方程解的存在性理論,通過構造這類時滯微分方程的上、下解,分別研究了含時滯和擴散的cui - lawson方程和二維競爭型lotka - volterra系統,得到了它們波前解存在的充分條件。
  9. Based on the wave characteristics of plasma channel and with the consideration of diffusion effects of plasma, this paper focuses attention on the research of the electrical discharge machining ( edm ) mechanism

    摘要基於放電通道的波動特性,並考慮放電通道中等離子體的雙極擴散效應,對電火花加工機理進行了研究。
  10. Furthermore, author designs some tests, such as diffusion speed test of stress in soil under static load and sound wave test. by these tests, author verified that sound wave test can measure the stress in soil. comparing those aforementioned tests, we can know that their conclusions is coherent, so those conclusions also verify the feasibility of measuring stress in soil by sound wave tests

    經理論以及試驗結果分析,靜荷載作用下土中應力傳遞速度試驗、聲波試驗以土中應力分佈傳遞規律的試驗及測試技術研究及前述室內模擬試驗,在土體含水量、密度變化情況下,三者所獲規律是一致的,初步證實聲波測試技術作為土中應力測試手段的可行性,為無損傷、不擾動測試土中應力做了探索性工作。
  11. Travelling - wave solutions of a reaction - diffusion equation

    一類反應擴散方程的行波解
  12. The western government should pay attention to technology innovation and its diffusion. we can use the experiences of other countries for reference such as japan. the wave efficiency, which the successful diffusion produces, will form the radiation to a certain < wp = 10 > degree to improve the competence of the western enterprise

    西部地區應狠抓技術創新及其有效擴散,借鑒日本等一些國家的經驗,通過這種< wp = 7 >成功的擴散,產生一些波動效應,而這些波動效應會在整個西部地區形成一定的輻射,從而提高西部地區及企業的國際市場競爭力。
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