靜不穩定 的英文怎麼說

中文拼音 [jìngbùwěndìng]
靜不穩定 英文
static instability
  • 靜 : Ⅰ形容詞1. （安定不動; 平靜） still; calm; motionless 2. （沒有聲響; 清靜） silent; quiet Ⅱ名詞（姓氏） a surname
  • 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...
  • 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. By using the maxwell ' s equations and axial symmetry, a method on calculating non - static axial symmetry fields with unstable charge source is given

    摘要利用麥克斯韋方程組和場的軸對稱性，給出了由對稱軸的非靜態電場計算含不穩定電荷源的軸對稱非靜態空間電磁場的一種方法。
  2. The first type is the instability excited near the cyclotron frequency of stationary species.

    第一種類型，是在靜態粒子迴旋頻率附近散發的不穩定性。
  3. To pass its threshold was to return to stagnation ; to cross the silent hall, to ascend the darksome staircase, to seek my own lonely little room, and then to meet tranquil mrs. fairfax, and spend the long winter evening with her, and her only, was to quell wholly the faint excitement wakened by my walk, - to slip again over my faculties the viewless fetters of an uniform and too still existence ; of an existence whose very privileges of security and ease i was becoming incapable of appreciating

    踏進門檻就意味著回到了一潭死水之中，穿過寂靜的大廳，登上暗洞洞的樓梯，尋找我那孤寂的小房間，然後去見心如古井的費爾法克斯太太，同她，只同她度過漫長的冬夜，這一切將徹底澆滅我這回步行所激起的興奮，重又用一成不變的靜止生活的無形鐐銬，鎖住我自己的感官。這種生活的穩定安逸的長處，我已難以欣賞。
  4. Second, we discuss the influence of environmental referance potential temperture and thermal wind on mesoscale symmetric instability. we find the expression of disturbance stream function and criterion of symmetric instability by analytical method and conclude that change caused by environmental referance potential temperture with height and thermal wind make critical richardson number and disturbance critical half - wave length of symmetric instability larger, that is to say, they benefit the occurance of symmetric instability. third, we study nonlinear perturbation analysis of mesoscale vertical circulation and evolution equation by means of f - plane. non - hydrostatic balance and filiter model

    第二，討論了環境位溫與熱成風因子對中尺度對稱不穩定的影響。運用解析的方法求出了擾動流函數的表達式和對稱不穩定的判據，發現環境參考位溫隨高度的變化與熱成風因子使得對稱不穩定臨界理查遜數及擾動的臨界半波長都變大，這有利於對稱不穩定的發生。第三，採用f平面、非靜力平衡、濾聲波模式，討論了中尺度垂直環流非線性攝動分析及演變方程。
  5. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點，提出多變量協調控制方案，解決了系統可控性差，難以實現穩定自動運行的問題；在此基礎上，改變以往以煙氣含氧量控制送風的傳統模式，針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重，煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題，應用智能控制理論中的模糊控制技術，結合自尋最優控制的思想，設計了一種模糊自尋優控制器，應用在電站鍋爐送風控制系統上，並闡述了動靜態兩種實現途徑，通過在線優化風煤配比，實現最佳經濟燃燒，切實保障了鍋爐的經濟運行。
  6. Biomechanical comparison of static three - dimensional screw - plate system and dynamic hip screw in fixing unstable femoral neck fracture

    靜態三維釘板系統與滑動鵝頭釘固定不穩定股骨頸骨折的生物力學比較
  7. In order to make clear the changing situation about various meteorological element fields during the heavy rain. the diagnostic analysis in three aspects was done in this text : the vapor conditions, in which the difference of the temperature and dew point, relative humidity, vapor flux and the divergence of vapor flux were discussed ; the dynamic and thermodynamic conditions, vorticity, divergence and vertical velocity were analyzed ; the vertical layer condition, which included potential temperature, static stability, convective ( potential ) instability and the vertical profile of eight physical fields over the observatory of shenyang

    為了弄清這次暴雨過程各氣象要素場的演變情況，分三方面對暴雨的水汽條件（使用了溫度露點差、相對濕度、水汽通量和水汽通量散度） 、動力條件（使用了散度、渦度和垂直速度）和垂直層結條件（使用了位溫、靜力穩定度和潛在不穩定度以及沈陽單站的8個物理量的垂直廓線）等的變化，分別進行了診斷分析。
  8. Electricity power system computer simulation the computing include the current computing, simple fault computing, complicated fault computing, quiescent stabilization the computing and development stabilization the computing etc. because the computing software of electricity power system are all the earlier words software, it is very difficulty for studying and isn " t easily for using and ca n ' t draw the graphics of the electricity power system ect

    對電力系統的運行狀態進行分析需要進行大量的計算，電力系統計算機模擬計算主要包括潮流計算、簡單故障計算、復雜故障計算、靜態穩定計算和動態穩定計算等計算。本文針對當前電力系統計算軟體大多都是早期的字元界面的軟體，學習難度大，不易使用，以及不具備電力系統圖形繪制等弊病，對microsoft公司的visualc + + 6 . 0及其所提供的microsoft基礎類庫（ mfc ）展開了理論與應用的研究工作。
  9. The static loads were placed step by step in time sequence in order to simulate the construction conditions of the dam during the calculation. the results of the analysis show that excess pore water pressure would not appear in the design section during the analysis results that the dam was statically stable and the construction process was reasonable

    在靜力分析過程中採用在時域上逐步加載的方法，模擬了壩體的施工填築過程，計算結果表明，設計斷面在貯灰過程中不會產生很高的超靜孔壓，壩體靜力穩定狀態較好，施工進度合理。
  10. Vanadium is important and valuable in steel - making, electronic production and national defence industry etc. now, the operation pattern of refining vanadium in our nation is based on human experiences, and the automation degree is still at a low level. operation mode based on human experiences is one of the main reasons make the quality of semi - steel and vanadium product unstable. in developed contury such as russian, static model was used to control the process of vanadium refining

    我國目前的轉爐提釩為人工操作模式，由操作人員根據經驗和感覺進行操作，自動化水平低，存在著釩渣質量和半鋼質量不穩定的問題；在國外，俄羅斯等一些國家已經在使用靜態模型對提釩過程進行控制，取得了較好的效果，但是這些模型大都是根據復雜的物理化學規律研製的機理模型，要求有非常穩定的生產流程和工藝條件，對于鐵水成分、生產設備等變化的適應性差，不但移植困難，而且模型價格異常昂貴。
  11. 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。
  12. And zhou xiyuan et al. the serial isolation system consisting of laminated rubber bearing and r / c column and the combined bearing consisting of an up small one and down larger one are introduced and their calculation formulas of static stability is derived. with the latter calculation formula, the static stability formula of the serial system considering p - a effect of r / c column can be acquired

    回顧了kelly等人和周錫元等人對橡膠支座的穩定性研究，然後介紹了周錫元等人對疊層橡膠支座和r / c柱的串聯體系以及用兩個不同截面的疊層橡膠支座組成組合橡膠支座的隔震體系提出的實用靜力穩定分析公式，由後者的計算公式，可進一步求得考慮r / c柱p -效應的串聯體系靜力穩定公式。
  13. But the traditional static design method is based on statics and seldom contains guidelines for incorporating the dynamic behavior of the moving belt. large safety factors are employed to accommodate most dynamic stresses in the belt. this can not only increase total cost but also give rise to system instability and higher dynamic stresses that can damage the belt, drums, idlers, bearings and other parts of the conveyor

    在高速情況下，帶式輸送機存在的主要問題之一是起制動過程中輸送帶的動張力問題，而傳統的靜態設計方法將輸送帶視作剛體，並且在靜力學基礎上按靜止或勻速運行狀態對輸送機系統進行受力分析和參數設計，將動張力以一定系數計入，用加大安全系數方法提高設計可靠性，這不僅會使帶式輸送機的成本提高，還可能引發起制動過程中較大的輸送帶動應力及運行過程中的不穩定性，從而導致輸送帶接頭的失效及滾筒、托輥、軸承乃至其它部件的損壞。
  14. By theoretical analysis and actual measurement of field and phenomena analysis of rock burst, the author illustrates the directionless pressure, sudden movement and rupture of hard roof lead to the internal cracks of coal instable development, which easily results in rock burst happening

    摘要通過理論分析、現場實測和沖擊礦壓現象分析，說明了頂板堅硬巖層產生的靜壓和突然運動、破斷均可使煤體內部裂紋不穩定擴展而容易發生沖擊礦壓。
  15. All the evidences point that the new embed control system of pizeo actuator gets excellent performance. it can be used in both quick and stable positioning area. still the embed control system contributes a lot for the research of smaller nano - positioning system based on pizeoceramic in the future

    本文研製的壓電陶瓷嵌入式控制系統適用於靜態穩定、動態高速定位等不同應用場合，為進一步研製小型化、集成化、通用化的壓電陶瓷微定位系統提供了理論和實踐經驗。
  16. In part iii, memory position and velocity feedback is proposed to guarantee stability and transparency of a teleoperation robot system with time delay and uncertain parameters. linear matrix inequality is used to design feedback parameters of the system. in this way, static track error between the master and the slave is little, however, sometimes the feedback parameters does n ' t exist

    第三部分針對遙操作機器人系統傳輸通道中的通訊時延和系統模型的不確定性，造成系統不穩定和操作性能降低等問題，提出用帶記憶的位置和速度反饋控制方法，並用線性矩陣不等式對系統的反饋參數進行設計，使系統魯棒漸近穩定，主、從機械手靜態跟蹤誤差較小，而且使系統具有良好的透明性。
  17. Our goals are to understand how well such robots can perform around people in everyday settings and to compare quantitatively its performance, safety and navigation abilities with those of traditional, statically stable robots

    我們的目標是了解這類機器人在日常環境中跟人類一起行動的表現如何，以及以量化方式比較它和傳統靜態穩定機器人在效果、安全及導覽能力的不同。
  18. The equilibrium condition for the cylindrical configuration in fluid membrane is re - examined in this paper, using the direct and the indirect variational method and taking account of possible influences of its topology

    本文還研究了柱狀膜的靜力學方程。由於開口的柱狀膜的不穩定性，對柱狀膜的研究只能採取近似方法。
  19. In all the research literature on the environment problem in modern science of management, people believe that management in an organization must adapt to the environment. because all the environment is not still and stable, but complicated. uncertain and developed

    在現代管理學所有關于環境問題的研究文獻中，都一致認為組織管理必須適應環境，這是因為所有的環境並非處于靜態穩定性之中，而是動態的、不確定的、復雜性的。
  20. Through static and dynamic numerical analyses of geometrically symmetric and asymmetric 3pbs, the conclusion is drawn : asymmetrical dynamic stress - strain field causes the crack expanding instability of geometrically asymmetric sample but not static condition

    ?通過以上幾何對稱及非對稱3pbs模型的靜態、動態數值分析，得出結論：幾何非對稱試件裂紋後期擴展的不穩定性是由非對稱的動態應力應變場引起，與靜態條件無關。
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