靜不穩定性 的英文怎麼說

中文拼音 [jìngwěndìngxìng]
靜不穩定性 英文
static instability
  • : 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
  • : 名詞[書面語] (剁物所用的木墩) a block of wood
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : 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...
  • : 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. 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,給出了由對稱軸的非態電場計算含電荷源的軸對稱非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,是在態粒子迴旋頻率附近散發的
  3. By hydraulic modeling, this paper describes studies on the stability of a floating bulkhead operating in standing water and flowing water, and it ' s hydrodynamic stability characteristics that distinguish in standing water from in flowing water ; and direct measurements of the forces acting on the model floating body during floating and sinking is taken. as a result, the rotation stress curves are produced and analyzed ; to provide data for optimum operation schedule analyses of the sluice, the relationship of the impact forces acting on the side wall of the gate and the running speed is studied ; the reasons of unstably uplifting of the bulkhead are discussed and the method to solve the problem is also given in this paper

    本文結合常州新閘防洪控制工程水工模型試驗,系統分析了浮箱門在水和動水中的及其影響因素,指出和動水同特點;試驗測了浮箱門動水運行時的受力情況,給出並分析了位過程轉動力的變化過程曲線;根據浮箱門啟閉速度與門體和岸墻之間撞擊力大小的關系,選擇合理的動力設備,為設計和工程實踐提供可靠依據;分析浮箱門難以上浮的原因,並給出解決方案。
  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臨界理查遜數及擾動的臨界半波長都變大,這有利於對稱的發生。第三,採用f平面、非力平衡、濾聲波模式,討論了中尺度垂直環流非線攝動分析及演變方程。
  5. The thesis built the relation between containing water and the properties of trail dam ' s soil by geomechanical properties of trail dam ' s soil ; analysed the seep rule of water in the trail dam ' s field and the change of soakage line. the thesis applied the limited element to analyze the trail dam of baogang by the engineering item in production. it calculates the dynamic and static response about the dam using the numerical simulation method

    本文通過大量的尾礦土物理力學質試驗資料,建立了含水量與尾礦土質之間關系曲線;分析了水在尾礦壩區的滲流規律和同標高時浸潤線的變化情況,為分析尾礦壩的提供依據;結合生產上的工程項目,從包鋼尾礦壩的研究入手,應用有限元法,通過數值模擬分析了水對尾礦壩的力、動力影響。
  6. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文結合重慶市大渡口區「三木花園」開發建設項目,從地下空間力結構分析角度出發,針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米,高7 . 5米的地下隧道這一具體工程情況,採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了有限元數值分析計算,探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響,通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種同狀態以及4個水平剖線和4個垂直剖線等同情況,從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律: ( 1 )在各種同狀態下計算斷面的主應力矢量圖、位移分布圖( ux 、 uy )以及應力等值線色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同狀態下同水平與垂直剖線的應力_ 1 、 _ 2和_ ( xy )對比分佈曲線; ( 3 )同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ ( xy )的對比分佈曲線等,為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。
  7. Static and dynamic trial experiments indicate that the system, not only can well simulate the prime governor and self _ equilibrium characteristics of a prime mover with its simple hardware line, small size and versatility, but also can highly improve the whole system ' s control precision, reliability and stability when compared with the system design of the analogy circuits

    態、動態測試實驗表明:該控制系統,僅硬體線路大為簡化、體積小、通用強,能夠很好地實現對原型調速器及原動機自平衡特的模擬,而且與模擬電路的設計方案相比,整個系統的控制精度、可靠等大幅度提高,具有明顯的優勢。
  8. Hdc series plastic antistatic agents are typical kind of nonionic antistatic agent, with excellent heat stability and antiaging property, belonging to interaddition - type antistatic agent

    Hdc系列塑料抗電劑是非離子型抗電劑中最具代表的品種,具有熱好,易引起塑料老化等優點,屬內加型抗電劑。
  9. 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、干擾因素復雜、耦合嚴重、模型易確的特點,提出多變量協調控制方案,解決了系統可控差,難以實現自動運行的問題;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、燃燒發熱值低、燃燒效率高等問題,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。
  10. The performance of the bearings, the nature characteristics and stability of a symmetric rotor - bearing system equipped with a flexible laminated membrane coupling were discussed duo to misalignment of rotors

    以膜片聯軸器耦合的對稱多跨轉子?軸承系統為研究對象,分析了轉子對中量對軸承的動、系統的固有特的影響。
  11. But another question the control system brings is that the aircraft manipulation character does not meet the requirements. the aircraft needs one more control systems to make the manipulate character satisfy the character requirements. both control systems are called control and augmentation systems

    高空高速飛機本身足,加入增控制系統后雖然滿足了的要求,但造成了操縱能的足,必須再加入一個增控迴路來解決這個問題。
  12. The stresses are measured on the residual limb / prosthetic socket interface with the advanced stress analysis instrument. by the analysis of the data, it is concluded the stress distribution while the subject are standing and during walking on different phase of gait cycle. the stabilization of the medial - lateral and anterior - posterior are analyzed

    對患者穿戴接受腔的受力情況進行了實際測量,通過對所測數據的分析,總結出態和動態步態周期各階段殘肢表面的受力情況,分析了系統前後側和內外側的,並將實際測量結果與理論分析進行了比較研究,說明了二者的相同點和同點以及產生同的可能原因。
  13. Based on comparison of several technical schemes, the method of sand bedding pre - elevating and step water - filling pre - compressing is adopted. so the dissertation is consist of two parts : ( 1 ) the applicability study for the method of sand bedding pre - elevating and step water - filling pre - compressing, including numerical analyses for the thickness of sand bedding, the consolidation, settlement and stability of foundation, drainage, possibility of foundation liquefaction under seismic loading, et al. ( 2 ) monitoring at construction stage and checking the effect of foundation treatment, including the measurements of the settlement velocity and non - uniform settlement of ring beam under the tank, pore pressures and horizontal displacements in foundation, the pressure distribution at the bottom of oil tank and the strength increase of soils

    通過多種技術方案比較,最終選擇了技術先進的砂墊層預抬高分級充水預壓法,論文工作主要由以下兩部分組成: ( 1 )砂墊層預抬高分級充水預壓法的適用研究,其中包括砂墊層厚度、地基沉降與固結度、地基、降水、地震作用下砂土液化的可能等方面的計算分析; ( 2 )施工監測與地基處理效果檢驗,其中包括油罐環梁基礎沉降速率與均勻沉降程度、各分級充水加載階段地基超孔壓與深層水平位移、油罐底板壓力分佈及地基土強度增長等方面的實測與數據分析。
  14. Four prestressed projects set with two different basis was compared the static force stability, the prestressed project of less internal fore and displacement was obtained. according to this project, three projects of different cable form were given to compare the structural static stability, overall stability and dynamical stability

    在此方案的基礎上,確了三個同的布索方案,進行力、整體和動力能比較,得到了布索圈數對結構能、整體能和動力能的影響。
  15. 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的問題;在國外,俄羅斯等一些國家已經在使用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差,但移植困難,而且模型價格異常昂貴。
  16. In sum, the main contents of the thesis include : 1. analyses of the impact of different load characteristics on static voltage stability with the v - p - and - v - q curves of power system loads

    歸納起來,本文的主要內容包括: 1 .應用電力系統負荷的電壓-功率特曲線,分析了同負荷的負荷特態電壓的影響。
  17. 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,而傳統的態設計方法將輸送帶視作剛體,並且在力學基礎上按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,將動張力以一系數計入,用加大安全系數方法提高設計可靠,這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,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。
  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力學方程。由於開口的柱狀膜的,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之中,而是動態的、的、復雜的。
  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是由非對稱的動態應力應變場引起,與態條件無關。
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