推力限度 的英文怎麼說

中文拼音 [tuīlìxiàndù]
推力限度 英文
thrust margin
  • 推 : 動詞1 （向外用力使物體移動） push; shove 2 （磨或碾） turn a mill or grindstone; grind 3 （剪或削...
  • 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...
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 推力 : visatergo; soot; propulsive force; thrust; momentum thrust
  • 限度 : limit; limitation; measure; tether
  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. The paper studies the surface geometry of globoidal indexing cam by applying the theory of conjugate surfaces and the method of coordinate transformation, presents the equations related to the main inducement curvature of the cam profiles, analysis and deduces the equations of two circumscription curves, which judge if the conjugate surface could mesh properly. some calculate examples and conclusion are given. the surface equation of the globoidal cam and conjugate equation are established

    論文首先在分析空間嚙合原理基礎上，採用坐標變換法推導出弧面分度凸輪的工作廓面方程、嚙合方程和壓力角計算公式，對弧面分度凸輪的嚙合特性進行了深入的分析和研究，對判斷曲面能否正確嚙合的依據如兩類界限線方程以及誘導主曲率等進行推導，並給出算例。
  3. On the basis of the hamilton ' s principle, the element mass matrix, stiffness matrix, and damping matrix caused by coriolis force of the finite method for the conveying fluid tubes were educed in the paper

    本文用哈密頓變分式推導輸送流體管道的有限元法分析單元質量矩陣、剛度矩陣和科里奧利力引起的阻尼矩陣。
  4. Catching hold of the favorable opportunity of china entering world trade organization, tongzhou zone committee, zone government continue to insist on advancing with time, closely surround the topic of development. with the aim of establishing optimal human inhabitation environment to construct modern city, they change government function, establish service consciousness, correctitude work attitude, improve work efficiency, in good earnest provide excellent environment, good quality service, favorable policy for investors, in the examining sector of project push project service one continuous line and project commission system, time limit system, promises system etc. methods, and make investors reassuring and commit to the deploitation of market, development of product, management of production and the development of enterprise

    抓住中國加入世貿組織的有利時機，通州區委、區政府繼續堅持與時俱進，緊緊圍繞發展這一主題，以創建最佳人居環境為目標來建設現代化城市，轉變政府職能、確立服務意識、端正工作態度、提高辦事效率，真心實意地為投資者提供優良的環境、優質的服務、優惠的政策，在項目的審批環節上，推行項目服務一條龍和項目代辦制、時限制、承諾制等辦法，使投資者安心並致力於市場的開拓、產品的開發、生產的管理和企業的發展。
  5. Based on an analysis of the history and present status of the farmland - pastoral ecotone in the northern part of china, a new point of view was proposed in this paper for the construction of eco - environmental systems, namely, the industrial structure has to be modified so as to make a functional integration between different parts of the whole system : to give priority to a combination between cultivated grassland and in - shed feeding of domestic animals, and at the same time, to employ a new model of animal husbandry so that the degradated natural grassland can be recovered ; to develop a new type of processing industry for agricultural and forestal products so as to create a pluralistic enterprise structure ; to make a better use of water resources by taking advantages of the abundant resources of energy and minerals, and to restrain the expansion of industries of high environmental cost ; to employ techniques of integration management and restoration ecology, and to speed up the process of woodland and grassland recovery ; to make a thorough plan for arrangements of hills, waters, roads, farmlands, forests and pastures in order to gain an integration at landscape level

    摘要在簡要分析中國北方農牧交錯帶形成歷史和現狀的基礎上，提出了北方地區生態環境建設必須從產業結構調整出發、進行系統功能整合的思路：把人工飼草業舍飼畜牧業擺在農牧交錯帶經濟發展的優先位置，推行新型畜牧業經營管理模式，促進天然草場改良復壯；發展「綠色」農林牧產品精細加工業，建立多元化產業結構；發揮能源和礦產資源優勢，合理利用水資源，限制以破壞環境為代價的產業的發展；推廣區域綜合治理與生態恢復技術，加大退耕還林還草的力度；山、水、路、農、林、牧統一規劃，實現生態系統在景觀水平上的整合。
  6. This thesis also introduces some kinds of the jointing of cable and membrane strucfores. an open - air palestra has been designed in this thesis. the force density method has been used to analyze the shape, and the nonlinear finite method has been used to analysis the loads

    最後，本文還採用文中推導的離散方法，通過力密度法對某風雨操場進行形態分析，並通過將找形結果用非線性有限元法在無荷載狀態下計算結構的應力，結果表明本文推導的方法找形精度是足夠高的。
  7. In this theoretical logic, federalism lays special emphasis on the analysis of the final results of supernational dimension, while functionalism breaks the once stagnating situation of european integration. also, neo - functionalism, on the basis of developing what is useful and discarding what is not of federalism and functionalism, makes fusion of these two

    同時，筆者以為歐洲一體化的超國家向度存在並在一定的歷史時期內有所突破，但由於歐洲一體化現實困境對超國家向度發展的諸種限制，致使它目前被融匯到歐洲一體化的變化、調整和諸多推動力之中。
  8. 4. the thrust measurement device was calibrated, and the accuracy was 2 % fs. at the same time the signal of thrust measurement was input to the computer. e - type chromel - constantan thermocouple was used to measure the temperature of mpt, and the accuracy was 5 % fs. the vacuum measurement was realized by using zdf - 5427m vacuometer, and the accuracy was 3 % fs

    （ 4 ）對推力測量系統進行了標定並實現了計算機採集，推力測量系統最大相對誤差為2 fs ；溫度測量目前還只限於對mpt諧振腔壁溫的測量，使用e型鎳鉻?康銅熱電偶即可較容易實現，其測量精度為5 fs ；真空測量採用zdf - 5427m微機型復合真空計，其由熱偶計和熱陰極電離計復合而成，該真空計測量控制精度為3 fs 。
  9. From the feature of the force and deformation of the tpih, 5 different elements are used to mesh the different zones of the tube, which are structural beam 3d elastic 4, structural pipe plastic straight 20, structural pipe elastic elbow 18, structural shell elastic 4 node 63 and contact 3d pt - to - surf 49 ; the contact problem is assumed to be flexible - to - flexible ; the temperature field is assumed to be body load. a mechanical model corresponding to reality has been established for numerical simulation. based on the above, the 3 - d fem numerical simulation of tpih has been carried out by using the ansys program

    針對加熱彎管過程的受力和變形特點，採用三維梁單元、三維塑性直管單元、三維彈性曲管單元、三維殼單元與三維點對面接觸單元等5種不同的單元分別對管毛坯不同區域進行劃分，並對接觸單元採用柔體-柔體的處理方法，將溫度場作為體載荷處理，建立了符合實際的加熱彎管問題數值模擬力學模型：在此基礎上，應用商用軟體ansys對加熱彎管過程進行三維有限元模擬與研究，獲得了成形時推力、彎矩、支撐力大小及其變化趨勢。
  10. The prestressed continuous beam - arch composite bridges are a special structural system where the horizontal thrust of the arch rib is absorbed by a prestressed tie at deck level. in some cases, this type of structure is preferable because it does n ' t have the large thrust at the spring hi traditional arch bridges and the somewhat large bending moment and shear force in traditional beam bridges. as a result, the performances of the prestressing reinforcement can be efficiently utilized

    它利用拱肋承擔壓力，系梁預應力束抵抗拱端推力，吊桿及縱橫橋面系結構承受橋面荷載，既克服了傳統拱橋巨大的拱端推力，又改善了連續梁橋較大的彎矩和剪力的受力狀況，最大限度地發揮了拱梁混凝土和預應力鋼筋各自的特點，經濟效益顯著。
  11. The purpose of this dissertation is to study the lagrangian method and conservative rezonning algorithm. finite volume scheme is used for lagrangian equations of hydrodynamics. because of the pressure gradients " influence upon velocities and energy, computational scheme is proposed for momentum equation on two control volumes in order to suspend the time when the mesh becomes distorted

    本文的目的是研究lagrange方法及重映演算法，主要內容可分為以下幾個方面：首先從積分形式的二維lagrange流體力學方程組出發，用有限體積格式進行計算，考慮壓力梯度分佈對速度和能量改變的影響，構造了在兩個控制體上的動量方程的計算格式，使得速度的改變受其周圍八個壓力的影響，在一定程度上推遲了網格相交的進程。
  12. Being living below this kind of backdrop, and possessing the small and medium - sized enterprise to western developed country, burgeoning industry country along with part of developing country of indispensability to thaw the expenses setup researching, and sum up with understanding, in order that " making foreign things serve china ", on the basis of the concrete situation of small and medium - sized enterprise of our country the west, uniting the small and medium - sized enterprise of some improvements that our country soon take thawing the expenses one ' s lot step, how the inquirement is establish further thaws the expenses support setup with the small and medium - sized enterprise of consummate our country the west very much, thereby the person who still more penetrates into carries forward the further implementation that was greatly opened up the strategy in the west

    在這種背景下，很有必要對西方發達國家，新興工業國家以及部分發展中國家的中小企業融資體系進行研究，總結和認識，以便「洋為中用」 ，根據我國西部中小企業的具體情況，結合我國即將採取的一些改善中小企業融資境遇的措施，探討如何進一步建立和完善我國西部中小企業融資支持體系，從而更深入的推進西部大開發戰略的進一步實施。在本文的研究過程中，運用了實證分析和規范分析相結合，歷史分析和邏輯歸納相結合的方法，分析事實，探討理論，力爭最大限度的結合我國西部的實際情況，充分借鑒國外經驗，勾畫出一個比較切合西部實際的中小企業融資體系框架。
  13. To maintain flight the uav is equipped with two propellers powered by very quiet electric motors to minimize any chance of detection

    為了保持飛行狀態，幻影配備了兩個螺旋推進器，它們由噪音非常低的電動機提供動力，以便把被察覺的可能性減少到最低限度。
  14. Considering the relation between the attraction of fdi and the economy development of the host country. it is necessary for china to make a rational selection of the attraction of fdi according to the accumulation of economy increasing factors and the strength of structure capability

    鑒于引進fdi與東道國經濟發展的聯系，為了較大限度從fdi中獲得長期推動效應，作為發展中國家，我國有必要在自身經濟增長要素積累和結構能力增強的基礎上對引進外商直接投資進行理性選擇。
  15. Then the general plan of underwater vibrators is put forward. in chapter 3, combining fluid - solid coupling theory and mechanical vibration theory, we get the coupling equation of moving parts and water. the dynamic characteristics of moving parts are studied with theory of finite element, and additional mass of moving parts is found in fluid - solid coupling field, which makes vibrator ' s natural frequency descend and amplitude - frequency curve downward shift

    第三章運用流固耦合理論和機械振動學理論相結合的方法建立運動部件與水的耦合運動方程，利用有限元法對其的動態特性進行了研究，得到了在流固耦合場下運動部件存在的附加質量，該附加質量導致固有頻率下降，單位推力下的加速度頻響曲線整體下移。
  16. For the finite propulsion reentry guidance, the conventional closed - thruster equation based on open - loop control loses its way

    摘要解決有限推力模型的再入飛行器初制導問題，利用傳統開環控制的關機方程達不到要求的精度。
  17. Actively providing the exhibition companies with the lately market data, guidance and answers to consultations in the respect of policies, making declaration of those new established and establishing projects and extending the trade program of the exhibition, we will lead the members of the exhibition to working on proper marketing strategies and make use of our own social resources and outstanding organizational skills to help the exhibition companies so that they can make a successful exhibition of their products and enhance their profit of exhibition to an extreme extent

    積極提供不斷更新的市場資料和政策方面的指導與咨詢，開展新建、在建項目發布，將展覽會的貿易活動進一步延伸，引導參展商制定適宜的營銷策略，並將利用自身的社會資源和卓越的組織能力，協助參展商組織舉辦產品推廣會，使參展商大限度地擴大參展效益。
  18. Abstract : this paper studies the sensitivities in the structural optimization of the sheet cover, including the stress sensitivity and the displacement sensitivity as well as the eigenvector sensitivity. the sensitivities are solved by the finite element method. a beam element and a plate element are used for the structural analysis of the sheet cover. some equations about the sensitivities are given out and are applied to the structural optimization of the sheet cover. the results prove to be satisfactory

    文摘:分析了在薄壁覆蓋件結構優化中應力敏度和位移敏度的計算方法，利用有限元法進行結構分析和敏度計算，推導出敏度的計算公式，並應用於薄壁覆蓋件的結構優化設計，得到了滿意的結果.薄壁覆蓋件的有限元分析採用了板單元和梁單元，應用實例的計算結果表明，應力敏度、位移敏度等的計算方法準確、可靠
  19. To meet the needs of the development of international and domestic situations, improve the overall competitiveness of china ' s telecommunications industry and promote its sustained, healthy, rapid development in the new age, we need to make full use of favorable conditions ; resolve unfavorable conditions to a minimum ; make new breakthroughs in perfecting the supervision mechanism, forming an effective structure of competition, shifting operation mechanism and improving the external environment ; and raise its ability to operate in the environment of market economy and the framework of international regulations

    使我們在我國電信業的改革進程中，能夠充分利用有利條件，最大限度地化解不利因素。在不斷完善監管機制、形成有效競爭格局等方面取得新的突破。切實的提高在市場經濟環境與國際規則框架下我國電信運營企業的運作能力和水平，更好地適應國際、國內形勢發展的需要，提升我國電信業的整體競爭能力，推動我國電信業在新的歷史時期里持續健康快速發展。
  20. Change of lim efficiency, power factor, thrust with the different air gap, secondary structure, velocity is calculated by finite element method

    利用有限元軟體模擬計算了效率、功率因數、推力隨不同氣隙、次級結構、速度的變化情況。
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