重力穩度 的英文怎麼說

中文拼音 [zhòngwěn]
重力穩度 英文
gravitational stability
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : 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...
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
  1. On the basis of investigations into the progressive yield process and the possible failure modes of rcc gravity dams, the quasi - elasticity design limit state of the ctrtical stability criterion is proposed and the real working state of the dams designed according to the ctriterion is discussed. a check formula using the material strength reducing factor as the safety index and a simplified formula similar to against sliding stability fromula are derived. finally, the corresponding design safety factors are given by using fem calculations with various influence parameters to be taken into account

    本文在研究碾壓混凝土壩漸進破壞過程和可能失方式的基礎上,提出了以準彈性臨界作為定臨界準則的設計極限狀態,分析了按該準則設計的大壩的實際工作狀態,導出了以準彈性強儲備系數為設計安全指標的審查公式以及形式與抗剪斷公式相同的簡化公式,探討了定量計算考慮各種因素影響的相應設計安全系數的合理取值,並與現行規范方法進行了比較
  2. Based on the stochastic finite element method, the reliability of the arch dam gravity abutment is analyzed, and the corresponding reliability index is calculated

    然後在隨機有限元的基礎上進行拱壩的拱座? ?墩的強和抗滑定可靠分析,計算相應的可靠指標。
  3. Qingzhou hengtai micro _ powder co. ltd uses the local rich dry fruit resources - walnut the outer covering, passed through a special system grain of craft, the research develops haspolished the special - purpose walnut shell powder product, natural didnot have the pollution, the chemical stability strongly by it, bearsthe acid and alkali, bears the pressure is high, does not contain the virulentobjectionable constituents, has uniquely escapes the dirt ability, thegranularity collection medium fine characteristic, caused the overseasmerchant highly to take, already the batch exported south korea

    青州市恆泰微粉有限公司利用當地豐富的乾果資源?核桃的外殼,經過特殊的制粒工藝,研究開發出了拋光專用核桃殼粉產品,以其天然無污染、化學定性強、耐酸堿、抗壓高、不含有毒有害成份、有獨特的脫污能、粒集中等優良特性,引起了國外客商的高視,現已批量出口韓國。
  4. Collapses in mengshan area are caused by the weightless rock mass falling down rapidly due to the interaction of gravity and weathering factor of freeze - and - thaw action and raining action in the locate of the developing joints

    崩塌是在陡崖或坡陡峻的斜坡地帶因巖體節理裂隙發育,受凍融、雨水等風化作用和作用,造成巖體失快速下落的現象。
  5. 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,有利於位勢不定能量的釋放,使得暴雨增幅。
  6. Lever of weight stability

  7. The main work done in the paper is as follows : 1. satellite attitude dynamics modeling study : for the earth - oriented three - axis stabilized satellite, a precise attitude dynamics model is established, considering the influence of the environmental disturbance, such as the gravity, the sun radiation, the earth magnetic field and the atmospheric resistance

    本文的主要研究工作如下: ( 1 )衛星姿態動學建模研究:針對對地定向三軸定衛星,考慮了、太陽輻射、大氣阻、地球磁場等環境因素對衛星的影響,建立了較精確的衛星姿態動學模型,同時又建立了四元素描述的姿態運動學方程。
  8. In all kinds of the instruments detecting the earth ' s gravity field at present, the superconducting gravimeter ( scg ) is considered by the international researchers as the one with the highest precision, the best continuity and stability

    目前在測定地球場的各類儀器中,超導儀已被國際同行公認為是精最高、連續性和定性最好的儀器。
  9. If the radiation is any more intense, it will overpower gravity, blow away ionized matter and destabilize the star

    假如輻射的強大於這個上限,輻射會強過星體本身的,而把外層的離子化物質吹走,使星體結構不定。
  10. During the procedure, the airspeed continues accelerating ( or decreasing ) and the aircraft configuration is rapidly changing. the aerodynamic interactions are complex and lead to dynamic instabilities. the shift between helicopter and airplane flight modes necessitates a change in control strategy

    過渡模式下,飛機速不斷增加(或減小) ,氣動布局不斷改變,飛機動定性差且氣動干擾嚴,直升機控制和固定翼控制切換,因此過渡模式動學特性和控制系統研究是整個傾轉旋翼飛機研製的主要難點。
  11. In the process of single fiber sedimentation, it is steady that the fiber axis orients horizontally. the terminal sedimentation rate and the lateral shifting rate increase with the particle aspect ratio. the fiber with the aspect ratio of about 2. 8 rotates fastest to the stable location

    對于單根纖維的沉降,其定取向是軸線與方向垂直的方向;纖維的沉降速隨長徑比的增加而增加,但趨勢變緩;纖維的橫向漂移隨長徑比增加而增加;長徑比在3左右的纖維,旋轉到定取向的速最快。
  12. Through the analysis of attitude dynamic equation, how to realize three axis passivity stabilization of the mircrosatellite by just using environmental torque is presented. three sorts conformations of three axis passivity stabilization of the mircrosatellite by using environmental torque are put forward, one is to realize the passive attitude control of microsatellite by using the aerodynamic moment and the gravity gradient, the other two by making use of the gravity gradient and the geomagnetic moment, the attitude dynamics of microsatellite of the three sorts are analysed in detail

    通過對衛星姿態動學方程分析,給出如何利用環境矩實現微小衛星三軸姿態被動定,並提出三種利用環境矩實現微小衛星三軸姿態被動定方案,即一種利用氣動矩和實現微小衛星三軸姿態被動定方案和兩種利用和地磁矩實現微小衛星三軸姿態被動定方案,對採用這三種方案的衛星的姿態運動進行詳細分國防科技大學研究生院學位論文析。
  13. The application of finite element method ( fem ) to dynamic stability analysis is described emphatically. the lagrangian equations is used to derive the necessary element matrices ( element stiffness matrix, element mass matrix and element geometric stiffness matrix )

    論述了有限元法在動定問題中的應用,並採用lagrangian方程推導出單元矩陣的表達式(單元剛矩陣、單元質量矩陣和單元幾何剛矩陣) 。
  14. The mission - oriented mobile robot has the adaptability of terrain, sensors and payload with the scope of 20 kilograms. different prototypes with diversified wheelbase, wheel stance, clearance, stability margin and altitude of center of gravity can be achieved by reconfiguration. a wheel with high trafficability on sand terrain can be achieved by reconfiguration with bionic features

    機器人的構特性可使之變換出具有不同軸距、輪距、心高、凈空和定裕量的機器人構型以適應不同導航任務;而其具有仿生特性的輪子,可使機器人具有沙地通過能
  15. These are the conclusions : ( 1 ) the regulation on security issuance protects the present interest of the noise traders, weakens the arbitrage power of the issuers on the primary market, creates the living space for the noise traders, and assists them to expel or assimilate the value investors on the market, and finally become the dominators of the market. ( 2 ) to improve the structure of the market investors and to develop the blue chip stocks are the important premises to realize " the highly unification of the development, standardization and tolerance of the chinese stock market ", and to realize the smooth regression of the stock prices to their real value

    本文的結論是: ( 1 )證券發行管制保護了噪聲交易者利益,削弱了一級市場發行方的套利量,創造了噪聲交易者的生存空間,推動了噪聲交易者對價值投資人的驅逐和同化,使噪聲交易者主導市場; ( 2 )改善投資人結構和增加大盤蘭籌股是實現中國股市「發展、規范與市場承受能統一」 、以及股票價格向價值平回歸的要條件。
  16. We analyzed the meso - scale disturbance field and found that the development and spread of inertia - gravity wave had a close relationship with the development and spread of the rain belt. at the initial stages of precipitation, convection instability was strong in the low level above rain region. convection instability could inspire inertia - gravity wave

    對中尺擾動場分析發現慣性波的發展和傳播與雨帶的發展與傳播有密切的聯系:在降水初期,雨區上空低層的對流不定較強,對流不定可激發出慣性波。
  17. The working stress state and the stability of typical blocks of baise rcc gravity dam are computed and studied based on the 3d non - linear finite element method ( fem ) and rigid body - spring element method ( rbsm ). the analysis of failure process, failure mode, failure mechanism of the dam are studied with overload method and combined method in which rock strength parameters are decreased while water load is overloaded to a certain degree. in this paper, the following works are done

    本文充分發揮有限單元法和剛體彈簧元法的優點,對百色rcc壩典型壩段( 9b 、 4b )地基定安全性進行數值分析和計算,從超載法、綜合法等不同角,對壩基定性開展研究,分析壩體和壩基破壞過程、破壞形態和破壞機理,確定壩基可能的滑動路徑和滑移模式,評價工程的定安全性。
  18. The linear and nonlinear stability of different disturbances in parallel and nonparallel boundary layer are researched. the development of growth rate of small disturbances and the effect of non - parallelism and pressure gradient on the stability of boundary layer are studied especially

    研究了不同情況下的擾動演化過程,特別是擾動增長因子的變化,這是定性研究的關鍵問題,還著研究了非平行性和壓對邊界層定性的作用。
  19. The hydro - pressure over - loading method and the strength reduction method were applied to numerical simulation of gravity pier - arch dam system, and the integral stability of the system was evaluated based on the suggested index for safety evaluation of the gravity pier

    分別採用水壓超載法和折減強參數法對墩拱壩系統進行數值模擬,並基於建議的墩安全評價指標對系統整體定性進行判定。
  20. Coupled seepage and temperature fields in longtan roller compacted concrete gravity dam are analyzed by applying the mathematical model for coupled seepage and temperature fields in concrete dam

    應用混凝土壩滲流場與溫場耦合分析的數字模型,進行了龍灘碾壓混凝土定滲流場與定溫場的耦合分析。
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