靜力不穩定性 的英文怎麼說

中文拼音 [jìngwěndìngxìng]
靜力不穩定性 英文
static i tability
  • : 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
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : 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 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情況,給出並分析了位過程轉動的變化過程曲線;根據浮箱門啟閉速度與門體和岸墻之間撞擊大小的關系,選擇合理的動設備,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。
  2. 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。
  3. 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、動影響。
  4. 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與位移分佈規律: ( 1 )在各種同狀態下計算斷面的主應矢量圖、位移分布圖( ux 、 uy )以及應等值線色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同狀態下同水平與垂直剖線的應_ 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_ 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。
  5. The subject of this thesis is to study ironless moving coil linear permanent magnet synchronous motor and the major works in this thesis are summarized as follows : 1 ) two analytical formulas are derived by concentrated current method and distributed current method to determine the magnetic field due to pm, based on the current model of pm. besides, two method ( magnetic charge method and solution by laplace equation method ) are also introduced with comparing their advantages and disadvantages. then the effects of the motor parameters on the flux distribution are discussed

    本文對空芯動圈式直線同步電動機進行了深入細致的研究,內容包括: ( 1 )採用電流模型推導出兩種計算永磁磁極二維氣隙磁場的解析公式(集中電流法、分佈電流法) ,同時介紹了兩種永磁電機氣隙磁場計算方法(磁荷法,直接求解拉氏方程法) ,分析各種方法的優缺點,討論電機參數對氣隙磁密的影響; ( 2 )介紹了單層同心繞組的布置方式,根據安培律推導出空芯動圈式直線永磁同步電動機的計算公式,分析?位移特; ( 3 )建立空芯動圈式直線永磁同步電動機動態模擬模型,模擬同驅動方式下電動機起動、態運行時電磁、速度、位移的變化情況。
  6. 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。
  7. 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、油罐底板壓分佈及地基土強度增長等方面的實測與數據分析。
  8. The choice dam type is especial importance, during the designed research of the rock - fill dam, particular under the rock - fill dam with very deeply cover layer, the stress and strain of the middle wall and cutting interpenetration wall of the dam foundation is mostly sensitive, whether the. design of dam is scientific and reasonable, it is very important for cutting interpenetration and stability of the dam, the article offer the reference for the design of cutting interpenetration in the foundation with deep cover with earth the water conservancy in xiaban zone, based on the study and analysis the design of cutting seep in the foundation with deep cover with earth, cutting interpenetration concrete wall and the joining model of cutting interpenetration material in body of dam and the applying effect in the practical worko based on the foundation which absorbed and summarize the achievement of design and research in the inter and outer country, for the project of the clay vertical middle wall and vertical cutting interpenetration, the asphalt concrete vertical middle wall and vertical cutting interpenetration the clay inclined middle wall and the lever carpet layer cutting interpenetration, respectively in terms of the different stage of complete period sluice period and working condition, adopting nonlinear calculate and analysis with the finite element method ; carrying the analysis and study with the 3d finite element method as to the different joining model of the left bank high slope cutting interpenetration body and the foundation concert cutting interpenetration wall ; carrying the analysis and study with the 3d finite element method as to the effect of the wall stress and strain because of the different elasticity modulus of the concert cutting interpenetration wall through the analysis and study with the different project. have comparatively all - around comprehended the various model dam, particular the distribute rule of stress and strain of the cutting interpenetration system, provide for the important evidence of the plastic area size the join model of the foundation cutting interpenetrate wall and dam body cutting interpenetrate system the choice of the dam model and the design of the structure of the dam body, the result of research and advice have very importance value in design and building for the similarity project

    工程設計中,壩型的選取顯得尤為重要,特別對于壩基有深厚覆蓋層的堆石壩,心墻和壩基防滲墻的應和變形是壩體、壩基最敏感的部位,設計方案是否安全、科學和合理,對大壩防滲和起到至觀重要的作用。本文研究分析了國內外深厚覆蓋層基礎防滲設計、壩基混凝土防滲墻與壩體防滲體銜接形式及工程實際應用效果,為下坂地水利樞紐工程深厚覆蓋層基礎防滲設計的方案選擇提供了參考;在吸收和歸納了國內外堆石壩的設計研究成果的基礎上,對粘土心墻和壩基垂直防滲方案、瀝青混凝土心墻和壩基垂直防滲方案以及粘土斜心墻和壩基水平鋪蓋防滲方案,分別按竣工期和蓄水運行期的同工作情況進行了有限元非線計算分析;對左岸高陡邊坡的大壩防滲體與基礎混凝土防滲墻的同結合型式進行了三維有限元計算分析和研究;對混凝土防滲墻同彈模量對墻體應和變位的影響進行了三維有限元計算分析和研究。通過對同方案的計算分析和研究,比較全面的了解了各方案壩體,尤其是防滲體的應和變形分佈規律,為壩型選擇、壩體結構設計、基礎防滲墻與壩體防滲體的結合型式以及塑區大小的確提供了重要依據。
  9. 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、整體和動能比較,得到了布索圈數對結構能、整體能和動能的影響。
  10. Air filtration portfolio, air filters, valve, oil mist machine, filter valve, oil mist separator, micro - mist separator, stability activated solenoid valve, pressure gauge, micro - valve and vacuum valves, links the release of the closure - pressure valves, and pipe connection, a one - way valve, t - shelves, shelves, brackets, diaphragm - type flow switches, blades type flow switches, further growth actuator, the valve lock, precision valve, pressure switches, mechanical pressure switches, pneumatic control ratio positioning devices, and electric - gas ratio positioning devices, and telecommunications - pressure converters, electro - pneumatic proportional valve, filter valve, shuttle valve, gas - electric relay and gas indicator, delay pneumatic valve and cylinder fcl, plumbing fcl, mufflers and exhaust cleaner, the excess flow valve with silencer, a one - way valve, rapid valve, rapid joints, rapid valve with fcl, rapid joint sub - cluster gas, micro joints, gas pipes, pipe from the devices, and helical coils, pipes, channels, scissors, multiple fastener, high - speed rotary joint, 10000 threaded joints, and insert the tube joints, rotary joints began, 68. 25 rapid joints and hoses, hose fittings and rapid non - electrostatic

    空氣過濾組合空氣過濾器減壓閥油霧器過濾減壓閥油霧分離器微霧分離器啟動電磁閥壓表微型減壓閥減壓氣閥三通釋放式截流閥壓開關管接頭單向閥t型隔板隔板托架膜片型流量開關漿葉型流量開關增速繼動器鎖閥精密減壓閥壓開關機械式壓開關氣控比例位器電-氣比例位器電訊號-氣壓轉換器電-氣比例閥過濾減壓閥梭動閥氣-電繼電器氣源指示器氣動延時閥氣缸限流器管道限流器消聲器排氣潔凈器限流閥帶消聲器單向止回閥快速排氣閥快速接頭快速排氣閥帶限流器快速接頭集束分氣微型接頭氣喉管喉管脫離器螺旋管排管管道剪刀多管扣件高速旋轉接頭萬用螺紋接頭插入式管接頭旋式緊鎖接頭難燃快速接頭和軟管電快速接頭和軟管
  11. 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。
  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度,有利於位勢能量的釋放,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問題,而傳統的態設計方法將輸送帶視作剛體,並且在學基礎上按止或勻速運行狀態對輸送機系統進行受分析和參數設計,將動張以一系數計入,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,同時研究了在同壓處、同壓膜速度條件下對分子膜的影響。
  16. With increasing span length of suspension bridges, the cable ' s diameter and also the wind load acting on it, the static wind action and the spatial non - uniformity of wind speed increase consequently, which may have an unnegligible influence on the aerodynamic stability of long - span suspension bridges

    摘要隨著懸索橋跨徑的增大,纜索直徑以及作用在其上的風荷載、風效應以及風速空間分佈的非均勻都將隨之增強,對大跨徑懸索橋的空氣動將可能帶來容忽視的影響。
  17. Glass fiber reinforced polyester resin enclosure, it is the structure of increasing safety, built - in element of isolating explosion. these elements of isolating esplosion have nore advantage, such as compact structure, reliable quality, smaller volume, hige capacity of turning on / off, amd long life. fine appearance, erosion - proof, welding spark _ proof, resisting static electricity, waterproof, good thermal stability, etc. user may select the arrangement of element. may use cables to connect it

    玻璃纖維增強飽合聚脂樹脂外殼,增安型結構,內裝隔爆型元件.隔爆型元件具有結構緊湊,可靠好,體積小,通斷能強,壽命長等優點.外形美觀,耐腐蝕,耐沖擊,防電焊火花,抗電,防水及熱好.元件排列組合可按用戶要求隨意組合.所有的堅固件都採用銹鋼螺釘.電纜布線
  18. Excellent excitation controller system not only could guarantee the generator running safely, offer qualify electric power but also could enhance the static stability and transient stability of the electric power system

    優良的勵磁控制系統僅可以保證發電機安全可靠運行,為電網提供合格的電能,而且能夠有效地改善電系統態與暫態
  19. 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。
  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應變場引起,與態條件無關。
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