instability energy 中文意思是什麼

instability energy 解釋
不穩定能
  • instability : n. 動搖性，不穩定性；不堅決，反復無常，三心二意。 the instability of human affairs 人事滄桑。
  • energy : n. 1. 干勁，活力。2. （語言、行為等的）生動。3. 〈pl. 〉 （個人的）精力；能力。4. 【物理學】能，能量。
  1. This laser poss characteristic : t he output power attains 500w ; laser energy instability less than 2 % ; laser radiation angle : about 3. 5mrad. design a sort of new - style laser cutting head, using this equipment can carry out trepanning and percussion drilling processing

    這臺激光器所達到的參數為:輸出功率達到500w ;激光能量不穩定度: < 2 % ;激光的發散角: 3 . 5mrad 。
  2. The magnitude of these variables increased approximately ten times. it helped the rapid releasing of instability energy. the interaction of high - level and low - level mesoscale system leads to the rainstorm. the vertical cross section analysis of potential temperature tells us that rainstorm take place in the warm - moist and instability area. usually locate in the very stiff moist isentropes and it can lead to the development of vortex

    通過對相當位溫的垂直剖面分析，可知兩場暴雨的中低層都為暖濕不穩定區，暖濕不穩定區上部冷空氣明顯擴散，暴雨產生在暖濕對流不穩定區內，通常產生在_ e陡峭和密集區中， _ e陡峭和密集區有利於渦旋發展。
  3. In the second part, the deduced self - energy in 63 theory is derived at hard thermal loop approximation. then we calculate the effective mass and damping rate, and also show that there is thermal instability above a critical temperature tc

    在此基礎上，出自能實部和虛部與一些介質效應的對應關系式，進而求得了粒子的有效質量和衰變率，並討論了_ 6 ~ 3理論的熱不穩定性。
  4. It is the important mechanism that middle - level dry and cold air current sunk, low - level warm and wet air current ascended. level direction energy sharp section is important to blaze middle scale hypo - circumfluence. severe convection weather was brought by layer - knot latent instability

    上層乾冷、下層暖濕的位勢不穩定層結可以使對流層中低層出現明顯的逆溫層，有利於不穩定能量積累，此次天氣過程產生的對流不穩定能量大，形成的上升氣流深厚。
  5. The results show that the weather process occurs because of typhoon trough with cold air, deep upper trough ; the southeast low - jet by typhoon transported large water vapour and great energy of instability to heavy rainfaill area ; cold air, lower convergence and upper divergence by deep upper trough lead to development of the east - ocean low pressure and occurd strong wind

    分析結果表明：這次天氣過程是由臺風倒槽和冷空氣及深厚的高空槽共同作用引起的；臺風環流引起的東南低空急流為暴雨區輸送了大量的水汽和不穩定能量；冷空氣的侵入加上深厚的高空槽引起的低空輻合、中高層輻散，促使了東海低壓的劇烈發展，產生了猛烈的大風。
  6. Under the light of energy function method, angle instability and voltage instability can be thought as different unstable mode, and be distinguished from each other by characteristic of uep

    在能量函數法的思想下，功角穩定和電壓穩定的關系可以通過不穩定平衡點模式來研究，並由不穩定平衡點模式的不同而區分出兩者。
  7. The results show that there are two centers of occurrence of llsw respectively in dong bei and jiang nan ; the regional torrential rain over the yangtze river basin is closely associated with llsw during the major periods of heavy rainfall ; the diurnal variation of the number of occurrence in the middle and low reaches of the yangtze river is the strongest in china there are some significant differences between llj and nallsw in positive season, spatial variation, diurnal variation and field of pressure. by the way, the important effect of inertial stability on heavy rainfall with both low level south - westerly jet and high level northerly strong flow is analyzed theoretically. the results show that the existence of the maximum of inertial stability in the left font of the low level jet is favor of the accumulation of the moist thermal energy, and conditional symmetric instability or convective instability can be expected in this region

    另外，慣性穩定性的作用以往不受重視，本文通過對西南低空急流左前方和高空偏北大風軸右後方的慣性穩定性和對稱穩定性的理論分析和實例計算，表明慣性穩定性在伴有高低空急流的暴雨中有重要意義，揭示了梅雨暴雨的一種新的高低空急流耦合機制：低空急流左前方慣性穩定度大值區的存在，有利於低層濕熱能量的積累，使低層傾斜對流的不穩定發展更多期望于條件性對稱不穩定或對流不穩定；高空偏北大風軸（西風急流）的存在，是其右後方（右側）出現對稱不穩定的有利條件，高空相對容易出現干對稱不穩定；慣性穩定性的作用，使低層的傾斜對流更偏向於垂直方向，有利於對流發展，使高層的傾斜對流更偏向於水平方向，有利於高層輻散。
  8. The analysis of dry pv shows that the high pv dominate the area of typhoon, the higher is the center value of pv, the stronger is the typhoon. lt is also shown that the most important reason resulting in rainstorm is the cold air ( high pv ) which spreads to south from the upper troposphere or lower stratosphere and transports into the warm air. the joining situation of upper and lower pv area make vortex develop. pv transpotation reduces static stability, which increases the releasing of instability energy and makes rainstorm amplify

    對干位渦的分析表明：臺風或臺風環流區為高值位渦區，臺風越強，位渦中心值越大；對流層上部或平流層下部冷空氣（高位渦）的擴散南下與暖濕氣流的交匯是造成特大暴雨的重要原因，因為上游斜壓性的發展使對流層頂發生折疊，平流層與對流層相互作用增強，上下位渦區相接的形勢使低層渦旋發展，上升運動加強，位渦的下傳有效地降低了靜力穩定度，有利於位勢不穩定能量的釋放，使得暴雨增幅。
  9. Internal waves are a kind of bridge relating the diapycnal mechanical mixing to external sources of mechanical energy : first, internal waves are driven by wind stress and barotropic tide so that large amount of mechanical energy are transported to abyssal ocean with propagation of internal waves ; second, the mechanical energy can directly be cascaded to mixing through instability and breaking of internal waves

    內波是外界提供的機械能與混合之間聯系的橋梁之一，一方面風和潮汐通過激發內波，將能量向深海和大洋內區傳遞，另一方面，內波的不穩定和破碎直接將機械能串級到小尺度湍流混合中去。開展傾斜地形上內波的傳播以及內潮的產生等方面的研究對海洋混合過程的參數化以及混合對大洋環流的影響等方面的研究具有重要的科學意義。
  10. The first diagnostic analyses show that the heavy rainfalls are produced together by vortex, shear line and upper and lower jets, meiyu front. the condition of high energy, saturation, potential instability is propitious to the form and maintenance of heavy rainfall. the result of numerical simulation by mm5 model shows that heavy. rainfall has close relation with meso - scale vortex pole and strong convection

    採用ncep全球譜模式和常規觀測資料對「 03 . 7 」江淮地區的兩次暴雨過程的影響系統及其可能機制進行了初步診斷分析，發現梅雨暴雨是受低槽、低渦、切變線、高、低空急流和梅雨鋒區共同影響造成的，該地區維持高能、飽和、潛在不穩定的環境，有利於暴雨的產生中尺度數值模式（ mm5 ）模擬結果表明梅雨暴雨與中尺度渦柱、強對流運動密切相關。
  11. Firstly, the propagation of intense laser light in ionizing gases is analyzed including the ionization - modulation instability, the vectorial and nonparaxial effects, and the mechanism of laser energy loss. secondly, we analyze the propagation of intense laser light in plasmas, and effects such as the weakly relativistic nonlinearity, the ponderomotive force and the wakefield are analyzed

    文中對強激光在電離氣體中傳輸的電離不穩定性、矢量非傍軸傳輸和能量損耗機制，以及強激光在等離子體中傳輸的弱相對論性非線性效應、有質動力作用和尾波場效應等都作了基本的分析。
  12. Starting from a two - layer nonlinear quasi - geostrophic baroclinic vorticity equation containing ekman friction, a new generalized energy is proposed to act as lyapunov function and thus a new criterion of nonlinear baroclinic subcritical instability containing two inequalities is obtained

    從含ekman摩擦的二層非線性準地轉斜壓渦度方程出發，提出了一種新的廣義能量作為lyapunov函數，導出了非線性斜壓亞臨界穩定性判據。該判據含有兩個不等式： （ 1 ）
  13. Applying the energy equation and boundary layer theory, this article also analyzed the relationship of energy transformation of overflow, and obtained the experience index and formula of instability critical conditions

    並應用水流能量方程和邊界層理淪，研究了圍堰過水時的水流能量轉換關系，得到了穩臨界條件的指標和經驗判別式。
  14. The condition of high energy, saturation, potential instability benefits for the form and maintenance of this rainfall. the mesoscale numerical model mm5 ( v3 ) is used to simulate the heavy rain process

    採用ncep全球譜模式資料，利用中尺度數值模式mm5 （ v3 ）對2003年7月4 - 5日發生在江淮地區的一次梅雨鋒暴雨過程進行數值模擬。
  15. Convective and shear instability can provide the wave energy. during the initial and merger stages, the convective and mgws interact with each other constructively

    （ 3 ）太行山地形強迫和對流是本次mgws產生的重要機制，對流和切變不穩定為重力波的加強和維持提供能量來源。
  16. From a nonlinear equation with boussinesq similarity on the f plane including friction dissociation and using a new kind of general energy as lyapunov function, we got the nonlinear subcritical symmetric instability criterion which a new kind of symmetric stability criterions. the nonlinear subcritical symmetric instability indicates that the larger amplitude disturb may cause the its instability to increase and then excite the mesoscale rainstorm

    非線性亞臨界對稱不穩定判據是從含摩擦耗散的f平面上boussinesq近似下的非線性方程出發，以一種新的廣義能量作為lyapunov函數，導得的一種新的對稱穩定性判據，理論指出較大振幅的擾動可能出現非線性亞臨界對稱不穩定增長，從而激發中尺度暴雨擾動的生成。
  17. Based on the catastrophic characters of the whole strain energy in truss structural instability, the relationship between the whole strain energy and the stress rate in the link element was educed, and the stress rate criterion for judging the instability of truss structures was built up through analyzing the changing law of stress rate

    基於桿系結構發生動力失穩時的總應變能突變特徵，推導總應變能同桿單元應力變化率之間的關系，並分析應力變化率的變化規律，建立了判定系結構動力失穩的應力變化率準則。
  18. Starting from maxwell ' s equations, the paraxial propagation equation of intense laser light in ionizing gases is derived and is analyzed by means of the source - dependent expantion ( sde ) method. an equation governing the evolution of the laser beam redius is obtained, based on which we analyze the ionization - modulation ( im ) instability. then, a vectorial, nonparaxial propagation equation is established, and the mechanism of energy loss during the propagation is analyzed

    首先從maxwell方程組出發推導出強激光在電離氣體中傳輸的傍軸傳輸方程，利用源展開方法對傍軸傳輸方程進行分析，得到光束半徑的演化方程，從而討論傳輸過程中的電離調制不穩定性；再建立矢量非傍軸模型，並討論氣體電離產生等離子體所引起的激光能量損耗機制。
  19. The action that weak cold air penetrated into the tropical cyclone made the low pressure become vortex potential instability, and finally turned into kinetic energy. the results were that the center pressure of low became lower, the wind velocity around the cyclone was stronger and the precipitation became more

    冷空氣在中低層的滲透主要使大氣斜壓作用加強，使不穩定能量的積聚並最終釋放；還造成臺風渦旋位勢不穩定，使熱帶氣旋中心氣壓降低，周圍風力加大，因而產生更大的降水。
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