束不穩定性 的英文怎麼說

中文拼音 [shùbùwěndìngxìng]
束不穩定性 英文
beam instability
  • 束 : Ⅰ動詞1 （捆; 系） bind; tie 2 （控制; 約束）control; restrain Ⅱ量詞（用於捆在一起的東西） bundle;...
  • 不 : 名詞[書面語] （剁物所用的木墩） a block of wood
  • 穩 : 形容詞1 （穩定; 穩當） steady; stable; firm 2 （穩重） steady; staid; sedate 3 （穩妥） sure; rel...
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 穩定性 : antiwhip
  • 穩定 : 1 （使穩定） stabilize; steady 2 （穩固安定） stable; steady 3 （物質的性能不易改變的作用） stabi...
  1. High accuracy kdp crystal optics is now considered as one of optics that is the most difficult to be processed for its series of disadvantageous characteristics to optics processing such as anisotropy, soft nature, easy to deliquesce, high brittleness, sensitive to temperature change, easy to crack and so on. therefore the long machining period, low percent of pass and astaticism quality has become the bottleneck of icf technology, and the surface quality control of kdp crystal processing has become the key problem to be solved in the research of icf in our country

    Kdp晶體零件是目前公認的最難加工的光學零件之一，因為kdp晶體具有各向異性、質軟、易潮解、脆性高、對溫度變化敏感和易開裂等不利於光學加工的特點，所以加工周期長、合格率低、質量不穩定成為慣性約束聚變技術的瓶頸， kdp晶體超精密加工表面質量控制問題已經成為我國慣性約束聚變研究中亟待解決的關鍵問題。
  2. Because of the resonant interaction between the reb electrons and the wave excitated by the embp instability, the reb electrons cannot transport continuously, but in form of current clumps. the transport velocity is close to the phase velocity of the wave

    因為embp不穩定性所激發的波和束流電子之間的共振相互作用，束流電子不是連續地傳播，而是以電流團的形式傳播，傳國防科技大學研究生院學位論文播速度接近於波的相速度。
  3. Methods ta and mm emg during icp maximal clenching were recorded in 20 dentate normal subjects, when they weared no occlusal splint, relaxation splint and mandibular stabilization splint

    方法20名健康志願者不戴（牙合）墊與戴鬆弛性（牙合）墊和下頜穩定性（牙合）墊時分別作正中緊咬，比較顳肌前束、咬肌肌電積分值的改變。
  4. The optimum design of the beat back - impact crusher is proposed, which aims at the highest efficiency of the machine work. the optimum designed mathematics model of the main structural dimension of the crusher ( m, xc, s, w 2 > ir ) is built with restraining conditions such as force condition, energy condition, hammer steady condition, no moving interference, strength of spin axle and bearing condition, upper limit and lower limit of the design variant condition etc. finally, an example is give to illustrate the efficiently of the method proposed

    在綜合考慮影響破碎機效率的各因素的情況下，提出了滿足以力，能量，錘頭穩定性，幾何條件，不發生運動干涉，轉子軸和滾動軸承的強度等約束條件，建立了包含破碎機關鍵參數（錘頭質量m ，軸心o到銷軸錘頭接觸距離r ' ，四川大學碩士學位論文錘頭質心到銷軸與錘頭接觸點的距離拙，錘頭與巖石碰撞到銷軸與錘頭接觸點的距離s ，轉子的速度。
  5. Then we propose the problems that will be discussed in the following papers. also, we introduce the theory in the field of feasible region for semi - infinite programming, and concluded that in some area around the feasible points, feasible region can be expressed by finite inequality constraints, this results gives a base to the following algorithms

    接著介紹了半無限規劃可行域的結構和穩定點的穩定性，指出了關于可行域結構理論研究的現狀，並指出在一定的條件下，在可行點的局部鄰域內，可行域可以有有限個不等式約束來表示，這為第二、三章半無限規劃問題的演算法提供了理論基礎。
  6. Revolutionary structural design, and end the old seal machine yi deformation, kwong road unstable history, an adjustment permanent

    革命性的結構設計，結束了老式印章機易變形、光路不穩定的歷史，一次調整，永久不變。
  7. Using the two - stream fluid model, the linear dispersion relation is derived assuming a two - dimensional spatial geometry. two cases are considered, one is that the 2d spatial geometry is defined by the plane containing the two counterstreaming electron populations and the perturbation wave vector ( referred as the xy plane ), and the other is that the geometry is defined by the plane being vertical to the two counterstreaming electron populations ( referred as the yz plane )

    對高能束流和電子迴流構成的雙流系統，建立冷等離子體流體模型，採用簡正模分析方法，分別考慮擾動波矢在平行於電流傳播方向的平面（記為xy平面）上和在垂直於電流傳播方向的平面（記為yz平面）上這兩種情況，推導了不穩定性的色散關系。
  8. The shearing layer is carried by the jet and the eddy is formed because of the instability and selective amplification of shearing layer which will propagate to the downstream. as the eddy impacts the impinging wall, a wave of pressure disturbance with certain frequency is induced. this wave then propagates to the upstream with high speed, and results in the overlap and amplification of the waves when the frequencies of them are close with each other

    當前噴嘴流束中的不穩定擾動波在穿過腔內的剪切層時，剪切層對其有選擇放大作用，形成渦環結構，剪切流動中渦環與碰撞壁撞擊，在碰撞區域產生壓力擾動波並向上游反射，在上游剪切層分離處誘發新的擾動的產生，當新擾動與原擾動匹配時，射流上游就被不斷地受到周期性激勵，腔內就產生流體自激振蕩並在後噴嘴出口形成脈沖射流。
  9. These factors are physical capital, human capital, technology change, the level of specialization and the quantity of farmers. furthermore, on the basic hypothesis that farmers are rational economic men, it points out the negative attitude of farmers on improving these factors is rational choice. the actual land system, social security system and hukou system conduce that the property right of land is instable and difficult to be exchanged, the quantity of farmers is unable to decrease

    本文首先建立了一個簡單的數學模型，考察了直接影響農民農業收入的基本因素，包括：物質資本、人力資本、專業化水平、技術知識和農民數量；進而，從農民是理性經濟人的基本假設出發，指出農民在改進影響農業收入的諸因素方面的消極態度是既定製度約束下的理性選擇? ?現行的農地制度（社會保障制度） 、戶籍制度導致土地產權不穩定、難以流轉和農民數量難以減少，妨礙了土地的規模經營，使農民在物質資本投資、人力資本投資、深化專業化分工、學習和應用技術知識、向城市轉移勞動力方面表現出消極態度。
  10. To make pic ( particl - in - cell ) simulations. to set up models of guns and magnetic field and simulate them in the vacuum and plasma, respectively. we found that plasma held back part of space charge effects and improved trajectory of electrons. but beam would oscillate and became instable as accretion of plasma density. by simulating again and again, we draw a conclusion magic could n ' t work when plasma density was more by far than beam electron density. at last a four - stage depressed collector was simulated

    建立電子槍和聚焦系統模擬模型，分別在真空和填充等離子體條件下進行模擬。發現填充等離子體能補償部分空間電荷效應，改善電子束包絡軌跡，提高電子的流通率，但是隨著等離子體密度的增大，束電子會出現振蕩不穩定性，遺憾的是通過反復多次模擬發現本文所用粒子模擬的代表性軟體magic無法用於模擬等離子體密度遠高於束電子密度的情況。
  11. Test results show that the igahas better adaptability and stability than the sga, no matter which type of optimization problem they handle ( continuous or discrete, linear or nonlinear, and constrained or free )

    實例表明，改進遺傳演算法（ iga ）不論是對于連續或離散的、線性或非線性的、有約束或無約束的等優化問題都表現出較強的適應性和穩定性。
  12. Pole, thin plate, thin shell in the electromagnetic elastic system, etc. when there is no machinery to restrain, the system has an unstable movement mode at least, and while exists restrain, after up to a certain critical value in electric current or the magnetic fielding, buckling must take place in the system

    電磁彈性系統中的桿、薄板、薄殼等，當沒有機械約束時，系統至少存在一個不穩定的運動模態，而存在約束時，當電流或磁場達到某一臨界值后，系統將發生屈曲。
  13. The variety is stable when it remains unchanged in terns of its basic features after multiple reproduction propagation or, if the breeder has defined peculiar propagation cycle for the variety bred, and at the end of each cycle the variety had kept a conformity to the description specified for it

    品種經重復生殖繁殖后，其各項基本特徵仍保持不變，或育種家如已定義出品種的特定繁殖周期，于各該周期結束時仍與原描述說明相符者，該品種即為具有穩定性。
  14. When a slope deformation is limited not only by bottom slide plane but also by lateral slide planes, the calculated stability coefficient by using a two - dimension model is usually lower than the actual situation

    摘要當邊坡的變形不僅受底部邊界約束而比還受側限作用時，其穩定性計算按平面問題簡化常存在較大的誤差。
  15. In inertial confinement fusion, a variety of fluid instabilities can destroy the symmetry and integrity of the capsule, and even fail the ignition. the understanding of the growth of perturbations is of extreme important for achieving the ignition and high gain

    在慣性約束聚變內爆過程中存在各種流體不穩定性，它們能夠破壞靶丸的對稱性和完整性，使得點火失敗，因此深入地理解收縮內爆過程中流體不穩定性的發展規律，對于實現點火與高增益聚變是至關重要的。
  16. The uncertainty of planar constraints causes overconstraints, which have no influences in the ory on smooth work of a machine with planar linkages, to form obstruction in fact and bring about a series of pernicious influences on the performance of the machines, especially on their dynamic behavior and the quality

    因此，本文以平面連桿機構為研究對象，以高效、高穩定性及低成本為主要目標，對機械中的約束與過約束、自調機理與自調結構、運動副誤差對平面連桿機構約束不確定性的影響程度以及無過約束機構的設計理論與方法進行了深入、系統的研究。
  17. Computational simulations are the main method to study fluid instability during an implosion in inertial confinement fusion

    數值模擬是慣性約束聚變內爆中流體不穩定性研究的主要方法。
  18. In different regions of relative amplitude, the main effect is repulsion or attraction alternately, and due to the instability of gaussian solitons, the beams breathe periodically after interactions

    在不同的振幅差異范圍內，光束間的主要作用交替地表現為相互排斥和相互吸引，並由於高斯孤子的不穩定性，導致了光束在碰撞后以一種尺寸周期性變化的呼吸模式傳輸。
  19. 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。
  20. Fourthly, to improve the application value of nesa, the issues of benefit distribution, organizational restriction and stability optimization under the dynamic environment are discussed

    為了加強實際運用價值，論文重點對非股權戰略聯盟在動態條件下的利益分配、組織約束以及不穩定性的優化問題進行深入的研究。
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