靜不穩性 的英文怎麼說

中文拼音 [jìngwěnxìng]
靜不穩性 英文
statical unstability
  • : 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名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  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定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;試驗測定了浮箱門動水運行時的受力情況,給出並分析了定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;分析浮箱門難以定上浮的原因,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,這有利於對稱定的發生。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. She had never seen her mother stirred from her austere placidity, nor her personal appointments anything but perfect, no matter what the hour of day or night

    她從沒見過母親重平子激動過,也從沒見過她的個人裝束是很得體,無論白天還是晚上。
  6. 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。
  7. The uncommon tactility of fabric, the exquisite performances of arts and crafts, the fantastic combine of sober and particularity, perfect fits the needs of high - level clients, fulfills the personality needs of the room

    凡的面料質感,細膩的工藝表現,冷重與細致溫馨的美妙搭配,極適合量身訂制的高端客戶,滿足居室的個化要求。
  8. 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。
  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、模型易確定的特點,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、成分定、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. Complete h bridge driving circuit is achieved to drive motors in the hardware design of robot ' s driving and control system. it adopts pwm digital signal as its control signal. this kind of circuit has some advantages, such as economical, room saving, good resistance against noise

    在機器人驅動控制系統的硬體設計部分,實現了pwm全數字控制的全h橋式多電機驅動電路,它但具有經濟、節約空間、抗噪能力強的優點,而且有效地消除了電機態摩擦死區,低速平好。
  11. 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定的問題;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差,但移植困難,而且模型價格異常昂貴。
  12. 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定度,有利於位勢定能量的釋放,使得暴雨增幅。
  13. 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 -效應的串聯體系定公式。
  14. 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,將動張力以一定系數計入,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。
  15. The main works are shown as the below : ( 1 ). langmuir monolayer of behenic acid and dppc surfactants behenic acid is a classical amphiphile, it has been applied to prepare functional lb films and quantum semiconducting particle films. therefore, it is of essential importance to study behenic acid monolayer at the air / aqueous interface ; at additional, in the different subphase ( h2o cdcl2 ) conditions behaviors of behenic acid monolayers have been studied ; moreover, we study dppc monolayer at the aqueous subphase, stability of dppc at the different surface pressures and speed rates

    研究內容如下: ( 1 )二十二酸、 dppc單分子膜成膜能研究主要研究典型的小分子成膜化合物(二十二酸)在純水和金屬離子cd ~ ( 2 + )兩種亞相下分子聚集過程,詳細討論了膜的形成和相變過程,分析了純水和金屬離子cd ~ ( 2 + )兩種亞相情況對各狀態下膜的態彈的影響;同時考查dppc單分子膜相變過程,同時研究了在同壓力處、同壓膜速度條件下對分子膜的影響。
  16. Topics covered include : static equilibrium, force resultants, support conditions, analysis of determinate planar structures ( beams, trusses, frames ), stresses and strains in structural elements, states of stress ( shear, bending, torsion ), statically indeterminate systems, displacements and deformations, introduction to matrix methods, elastic stability, and approximate methods

    主題包含了:力平衡、合力、支承條件、定平面結構(梁、桁架、構架)分析,結構構件之應力與應變,應力狀態(剪力、彎矩、扭力) ,定系統,變位與變形,矩陣方法介紹,彈定及近似值解法。
  17. 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確定,造成系統定和操作能降低等問題,提出用帶記憶的位置和速度反饋控制方法,並用線矩陣等式對系統的反饋參數進行設計,使系統魯棒漸近定,主、從機械手態跟蹤誤差較小,而且使系統具有良好的透明
  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、確定的、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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