重力穩定性 的英文怎麼說

中文拼音 [zhònglìwěndìngxìng]
重力穩定性 英文
gravitational stability
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 力 : 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...
  • 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...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
  • 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. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先，在前人研究成果的基礎上，對錨桿與圍巖的相互作用機理進行研究，利用全長錨固錨桿的中性點理論，從等效均化的角度來考慮錨桿對圍巖的加固作用，並推導了在簡單荷載作用下，含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解，對工程設計有著重要的參考意義；在數值模擬方面，以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎，利用虛功原理推導了接觸問題的有限元方程的計算格式，為開發運用大型商用有限元軟體msc . marc提供了理論根據，也形成了本文的理論基礎：最後，論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例，利用本文所述的接觸問題的摩擦模型理論，對錨桿支護結構的應力場、位移場的變化規律進行了研究，分析了加錨支護對隧洞圍巖應力、變形的影響。
  2. This paper mainly discusses about the acceleration response of the artillery that is caused by the plainness causes under traveling condition. and according to the system aspect of the matching between the tractor and artillery which composes the artillery train, it also presents the characteristics of the steering, braking stability and manipulating stability which affects the artillery moving maneuverability

    本文在火炮設計領域首次對火炮牽引列車系統進行動力學分析，重點研究了火炮牽引行駛狀態下的路面不平度對火炮的加速度響應，並從牽引車與火炮匹配組成火炮列車的系統角度，研究了影響火炮行駛機動性的轉彎特性、制動穩定性和操縱穩定性。
  3. Thus becalmed, the clouds are more susceptible to wave instabilities

    所以，這些雲氣較易受重力不穩定性的影響。
  4. Stability of rock slopes is generally controlled by the structure of rock masses, especially the soft structure surfaces. analysis of rock mass structures is a key to establish geological models and numerical simulation and a foundation to assess the stability of rock slopes. the weak structure surfaces are mainly bedding planes, faults, joints, schistosity plane and contact zones of intrusive bodies. since they are different in genesis and scale, the rock masses are different in features and mechanical intensities. based on the combination of rock structure bodies, 15 basic modes of deformation and failure of rock slope are systematically summarized. the deformation and failure of rock masses actually result from the recombination and rearrangement of these rock bodies. there are 11 types of rock mass structures and various deformation and failure of bank slopes are present in the reservoir area of the three gorge project

    巖體結構，特別是軟弱結構面對基巖斜坡變形與破壞具有顯著的控製作用，巖體結構模式分析是建立斜坡地質模型和數學模型的關鍵和評價斜坡穩定性的基礎。巖層層面斷裂構造節理裂隙片理與劈理以及侵入體和圍巖的接觸帶等是控制基巖斜坡穩定的軟弱結構面，這些成因不同大小不一的結構面將巖體分割成性質各異力學強度不均的各種巖體結構體，構成了15種基巖斜坡變形破壞的巖體結構基本模式。不同結構體的重新組合與排列是斜坡失穩的內在原因。
  5. The following are such theories and methods as nonlinear theory considering interaction between support and rock mass, which, based on quantity analysis technology and actual data of initial crust stress, can simulate complex geological condition, carven shape and supporting so that provide important reference for analysis of stability of rock mass around underground carven and design of supporting

    隨之而來的是考慮支護與圍巖共同作用的非線性理論和方法。這些理論和方法一般都以數值分析為手段，以實測地應力資料為基礎，能模擬復雜的地質條件、洞室形狀及支護措施，從而為地下洞室圍巖穩定性評價和支護設計提供重要的參考依據。
  6. Landslide is a geological hazard with serious losses. it is very important to research the controling methods. slide - resistant pile, which has many advantages such as high adaptability, little interference to landslide and geological environment, short construction time, high silde resistance, is a main method to control landslide. pneumatic down - the - hole hammer is a drilling method with many advantages. its features, such as wide application range, high hole quality, no circulating medium, low operation regulations, and drilling big diameter rock hole, fit to construct slide - resistant pile. according to the requirement of silde - resistant pile construction, this paper analyses feasibility that pneumatic dth hammer drilling applies to construct slide - resistant pile on the basis of introducing the features of pneumatic dth hammer. then an applied example is given

    滑坡是一種危害極大的地質災害，它的整治方法研究具有重要意義.抗滑樁是一種適應性強、對滑坡穩定性和地質環境干擾小、工期短、抗滑能力強的滑坡整治方法.風動潛孔錘鉆進是一種具有許多優點的鉆進方法，它的許多特點，如成孔質量高、應用范圍廣、無液體循環介質、鉆進規程參數小、可實現大直徑基巖鉆孔等都適合於抗滑樁施工.文章在介紹風動潛孔錘鉆進特點的基礎上，根據抗滑樁施工要求，分析了風動潛孔錘用於抗滑樁施工的可行性，並舉出了其應用實例
  7. Accurate load forecasting is helpful to planning generators " starting and stopping in the interior of the electrical networks economically and reasonably, preserving the security and stability of power system, reducing the unnecessary circumvolving repertory capacity, making planning to overhaul the units in reason, ensuring the normal production and life of the society, effectively reducing the cost of generating electricity, increasing the economical and social benefit

    電力負荷預測是供電部門的重要工作之一，準確的負荷預測，可以經濟合理地安排電網內部發電機的啟停，保持電網運行的安全穩定性，減少不必要的旋轉儲備容量，合理安排機組檢修計劃，保證社會的正常生產和生活，有效地降低發電成本，提高經濟效益和社會效益。
  8. With the developing trend of large size and large capacity, the turbine ' s natural frequencies are decrescent, maybe reaching the input forces " order of magnitude. so, it is becoming more and more important to analyze the stability of a turbine

    隨著水輪機組朝著大尺寸、大容量的方向發展，其自身的固有頻率也隨之降低，與干擾激振力的頻率屬于同一數量級，因此，水輪機組運行的穩定性就變成更為重要的問題。
  9. In the research, a set of simulation equipment is developed to examine the drivers " static and dynamic fatigue. recur to the apparatus, contrast and control experiment are made among different ages, workload intension and workload factors group. the endings summarize as following : ( 1 ) driving sensation fatigue investigation ( investigation of psychological and physiologic index and contrast investigation of fatigue ) ; continuous driving load and discrete driving load investigation of fatigue

    ? ?門）駕駛疲勞平衡穩定性是通過在力檢測臺上描繪人體重心軌跡的方法，提出檢測駕駛員疲勞平衡穩定指數，在不同狀態下（傾斜度15 30 『以及閉目等狀態下）對不同負荷、不同年齡分別進行測試，建立駕駛疲勞客觀測試評價體系； n ）經實驗室研究與現場調查，通過對駕駛疲勞與駕駛時間、駕駛速度等關系的研究，提出了不同年齡、不同條件下的最大連續安全駕駛時間標準，日駕駛時間標準，最大安全行車速度標準等。
  10. Integrating the power flow program with the tools matlab simulates the transient response of the distribution networks with the direct combination wind generator under disturbances, it provides the credible rationale to the research on stability and maximal penetrable power

    本文結合配電網潮流程序，利用matlab作為模擬工具，模擬包含直接並網風能轉換系統的配電網路在受到擾動情況下的暫態響應，對含有風電場的電力系統穩定性研究及風電場極限穿透功率的研究，提供了可靠的理論根據，有重要的現實意義。
  11. As the balancing platform tends to make the barycenter move backward, a more balancing stress distribution under the wall, a higher and steadier wall can be achieved. furthermore, the resupine back of the downward wall not only works reasonably, but also can reduce the amount of excavation and filling obviously. so gravity retaining walls with balancing platform are applied heavily

    衡重式擋土墻因具有衡重臺使墻身重心后移、墻底應力趨于平衡，可提高擋土高度、增強墻體穩定性；且仰斜式下墻不僅受力合理、還可減少開挖與回填量等優點而被大量採用。
  12. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。
  13. Beginning with the connotation of chinese, the authors analyses the relationship between speech form and speech content, illustrates the ever - changing form should follow its basic rules. comparing with content, the author thinks speech form has the feature of direct perception, the stability and limitation. thus, chinese teaching based on the form is not only in accord with the law of individual perception and psychological development, beneficial to develop the students " perception structure, but also it " s an important principle, the center of chinese teaching, the main foundations to train the students " language ability

    本文澄清了人們對語文學科的幾個基本概念的曲解和誤會，從語文的內涵入手，科學地界定言語形式和言語內容的概念與關系，並從學習個體認知學習的心理發展規律和語文教學自身的內在規律方面尋找理論依據，闡述了言語形式雖是「千變萬化」的，但有其基本規律可循，且此基本規律是「千篇一律」的，與內容相比，具有相對的直觀性、穩定性和有限性，所以，語文教學以言語形式為主，既符合學習個體認知學習的心理發展規律，有助於學生良好的認知結構的構建，遷移學習能力的形成及認知能力的發展；同時，以言語形式為主，又是語文教學的一條重要的客觀規律，它是語文教學規律性運轉的「軸心」 ，是培養學生言語能力的「抓手」 、語感能力形成的源泉、弘揚人文性的依託。
  14. By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few

    通過對本次試樁施工工藝的檢測和樁身質量及承載力的檢驗，確定了沖擊鉆在溶洞地質條件下的合理使用方法；基樁承載實驗表明了荷載與摩擦阻力之間的關系，並對巖溶地區的嵌巖灌注樁的荷載傳遞和破壞機理、承載力特性，進行了富有成果的現場測試工作；試驗數據表明樁側摩阻和支盤端阻起很重要的作用，樁端阻力所佔比例甚少。這與設計樁基時的計算模式相差很大，承載力也較設計增加；使用力學數值分析方法和有限單元法，對鉆孔灌注樁樁端下的巖體強度和結構穩定性方面進行模擬計算和定量研究。
  15. Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures

    此外，本文採用隨機有限元方法，將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量，應用蒙特卡洛理論進行計算機隨機取樣，對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估，得出了襯砌的相關位移與內力的均值和方差，並計算出了相應的襯砌結構可靠指標。
  16. The analysis and safety evaluation on the dynamic stability are the key technique of high - speed railway over - section cwr. studying on a theory for dynamic stability of high - speed railway cwr and a method for safety evaluation is of great theory value and realistic meaning

    高速鐵路無縫線路動力穩定性分析及其安全評估是高速鐵路跨區間無縫線路的關鍵技術之一，其研究具有重要理論價值和現實意義。
  17. First, the dynamic stability of braid composite cylindrical shells with the influences of some main factors is introduced. the general governing equations for the nonlinear dynamic stability is obtained. by the hamilton principle. the creep buckling analysis of braid composite cylindrical shells under axial compression and the dynamic stability under nonconservation force are discussed as emphases. in creep buckling question, by means of theoretical analysis, the instaneous critical load and durable critical load of viscoelastic braid composite cylindrical shell under axial compression are obtained and the numerical example is given

    首先介紹了編織復合材料圓柱殼在幾種主要因素影響下的動力穩定性問題，用hamilton原理建立非線性動力穩定性問題的一般性基本方程。然後重點討論了編織復合材料圓柱殼軸壓下的蠕變屈曲問題及非保守力作用下的屈曲問題。對蠕變屈曲問題，通過理論分析來得到了編織復合材料圓柱殼的瞬時彈性臨界載荷和持久臨界載荷，給出了具體的算例。
  18. The analysis for dynamic stability of seabed or offshore foundation under wave loading is of practical significance in the design and construction of offshore and coastal structures

    波浪作用下海床或海洋地基的動力穩定性是近海和離岸工程建築物在設計和建造過程中必須考慮的重要問題之一。
  19. The results show that the aerodynamic stability of long - span suspension bridges is significantly influenced by the static wind action, whereas the spatial non - uniformity of wind speed and the cable ' s wind load have basically no influence on it

    結果表明：靜風效應對大跨徑懸索橋空氣動力穩定性的影響比較重要，但是風速空間非均勻分佈和纜索風荷載等因素對大跨徑懸索橋的空氣動力穩定性基本沒有影響。
  20. 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，飛機速度不斷增加（或減小） ，氣動布局不斷改變，飛機動力穩定性差且氣動干擾嚴重，直升機控制和固定翼控制切換，因此過渡模式動力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。
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