滑動摩擦力 的英文怎麼說

中文拼音 [dòng]
滑動摩擦力 英文
force of sliding friction
  • : Ⅰ形容詞1 (光滑; 滑溜) slippery; smooth 2 (油滑; 狡詐) cunning; crafty; slippery Ⅱ動詞(貼著物...
  • : 摩構詞成分。
  • : 動詞1 (摩擦) rub 2 (用布、 手巾等摩擦使干凈; 揩拭; 抹) wipe; scrub; clean 3 (塗抹; 搽) spre...
  • : 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...
  • 滑動 : slither; slippage; slipping; slide; sliding; run; sliding movement [motion]; glide; slump滑動閘門...
  • 摩擦力 : dynamical friction
  • 摩擦 : 1 (互相接觸的兩物體作來回相對運動) rub; chafe 2 [物理學] (相互接觸的兩物體在接觸面上發生阻礙相...
  1. So this base isolation technique has profound prospects. unfortunately there exist definite difficulties in the calculation because of the nonlinear of the base friction force. now, both the equivalent damping method and the numerical calculatin of the vibration response of the base - isolated buildings are frequently used in the calculation of the seismic response of the base - isolated building. however both of them have certain drawbacks. in this paper, the response of the building with base - isolation system is derived by the method of fourier expansion for the friction force and the earthquake response. at the same time, the sliding vibration character of inertia of a single mass structure and the sliding vibration response of a muti - mass structure are discussed. the stable condition of the sliding base isolation system of a structure is given. in the end, two circes of base fixation and base sliding are analyzed by adopting ansys

    本文利用對和地震響應進行付氏級數展開的方法導出了基底具有隔震系統的地震反應。同時,文中從研究單質點結構的慣性入手,進而對多質點結構體系反應進行探討,分別給出了結構隔震的自身穩定條件。最後,本文利用ansys對基礎固定和基礎移隔震兩種工況進行了模擬模擬分析,進一步證實了基礎移隔規律。
  2. For sliding contact, the coefficient of kinetic friction uk is defined as the ratio of the frictional force to the normal force.

    接觸時,系數Uk的定義是與法向的比率。
  3. For sliding contact, the coefficient of kinetic friction uk is defined as the ratio of the frictional force to the normal force

    接觸時,系數uk的定義是與法向的比率。
  4. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究: (一)通過木柱石礎靜試驗,測定了柱腳與石礎古鏡面間的系數及隨上部結構荷載變化的規律; (二)通過單柱承載試驗,測定了古建築中木柱的受變形特徵、破壞模式、及模型材料的變形模量、極限承載、極限變形等參量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載和極限變形、及榫卯減振參數; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間系數,斗?抗側移剛度,斗?恢復特性及滯回曲線,斗?抗壓極限承載及受變形規律; (五)通過抬梁式殿堂間架模型振臺試驗,測定了殿堂木構架結構自振周期,地震反應振形、阻尼特性及阻尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  5. The paper analyses the stress and relative motion of piston / cylinder and swash plate / slipper matching pairs in water hydraulic pisto n pump, based on which the proper experimental research method is determined

    對水壓柱塞泵柱塞、副的受和相對運形式進行了分析,確定了副合理的試驗研究方法。
  6. As soon as sliding begins, it is found that the friction force decreases.

    人們發現,一開始,就減小。
  7. Based on the pull - out tests data between geogrids and expansive soil / sands arranged by the orthogonal table l9 ( 34 ), the following conclusions are reached : 1 ) the displacement - properties of pullout tests depend on the pullout speed. the law of factors " affecting degree, which influences the parameters between geogrids and soils in the pulling - out procedure, is obtained. with the concept of " equivalent pull - out displacement ( x ) " brought forward, the whole process of pull out tests is divided into two process - " main process ( when x 1. 0 ) " and " residual process ( when x 1. 0 ) ", and three stages - static friction resistance stage, slip friction resistance stage, and residual friction resistance stage

    基於正交設計表l9 ( 3 ~ 4 )分別安排了影響因素與土工格柵膨脹土或砂土界面相互作用參數的拉拔試驗數據,獲悉: 1 )拉拔試驗位移特性主要取決于影響因素中拉拔速率;通過分析並獲取影響因素對筋土界面相互作用參數的影響程度及其在拉拔試驗過程中的變化規律,提出了當量拉拔位移( x )的概念,並據此將拉拔試驗全過程劃分成「主過程( x 1 . 0 ) 」和「殘余過程( x 1 . 0 ) 」 ;且將影響因素對拉拔系數的影響程度分成三階段(靜階段、階段,殘余階段) ; 2 )不同(規范)定義的筋土界面系數數值相差較大,但影響因素對系數影響程度及其變化規律不會因不同(規范)定義而受到影響。
  8. Static friction is greater than sliding fricton

    大於滑動摩擦力
  9. Sliding friction is independent of the area of surface in contact

    滑動摩擦力于表面接觸的面積無關。
  10. If we halve the mass carried, sliding friction is also halved

    如果我們將質量減半,滑動摩擦力也會減半。
  11. Copper - nanosized tibi composites were prepared by in - situ process. the microstructure, mechanical and electrical properties, and dry sliding wear behavior and electric sliding wear of cu - nanosized tib _ 2 in - situ composites was investigated ; mostly task as follows : the thermodynamic data for the reactions between b and ti in the molten liquid of copper were analyzed, the copper matrix composites reinforced by in - situ tibi nanoparticles were prepared by reactions of 8263, carbon and titanium in copper - titanium melt, and copper - titanium, copper - boron in alloy melt, respectively, which controlled the reaction temperature, reaction time and solidification process. the rnicrostructure and mechanical and electrical properties of the in - situ composites were investigated by using optics microscope, tem and xrd

    本文採用原位反應法制備了cu -納米tib _ 2原位復合材料,在此基礎上分析了原位復合材料的微結構,進行了干磨損和電接觸磨損實驗,完成的主要工作如下:從熱學的角度出發,分析了陶瓷tib _ 2顆粒在銅基體中原位生成的熱學條件,並用電解銅、工業純鈦、 b _ 2o _ 3 、 c (還原劑)以及cu - ti 、 cu - b等合金為原料,通過控制適當的反應溫度、反應時間和快速凝固等工藝手段,制備了cu -納米tib2原位復合材料。
  12. With the development of automobile industry and road transportation , the traffic accidents happen every day in the world and become a serious society problem the vehicle collision accidents are over 2 / 3 times as much as all traffic accidents they cause a large amount of social infuence and serious economic loss therefore , it is urgent to study vehicle collision accidents comprehensively and systematically , and the research also is the academic foundation to analyze and deal with traffic accident it is difficult to authenticate car velocity after traffic accident to dig over locate witness is right way mechanics is avaid tool in this field it is important to establish math model and this is precondition to calculate vehicle velocity firstly on the basis of summarizing the research results , this paper deeply discusses the calculating model to analyze the instantaneous motion state in the vehicle collision, the interrelation among the every moving mechanics parameters in the every phase of the collision secondly , according to the collinear collision and two - dimension collision and the restitution coefficient , the paper estabishesthe post collision movement models it proves that these models are correct and valid thirdly , this paper try to research reconstruction of road traffic accident and put forward the method on it

    對交通事故的科學分析應是建立在正確的數學模型與計算機模擬技術基礎上的定量分析,其基本條件就是要有能正確描述事故過程中汽車狀態的數學模型,只有建立正確的數學模型,才能較準確地推定事故車輛的碰撞速度。所以建立正確地車輛碰撞模型和運模型正是汽車事故再現的關鍵問題。本文首先在總結前人研究的基礎上,深入地研究汽車碰撞理論,分析了車對車碰撞作用瞬間狀態的計算模型及碰撞恢復系數與碰撞前、后速度的關系;其次,根據交通事故中最普遍的一維和二維碰撞的不同情況,採用恢復系數和系數等概念,分別建立了碰撞后車輛學模型;第三,對汽車碰撞事故再現進行了初步研究,確定了車對車碰撞事故模擬計算和反推計算方法,並給出相應的模擬程序流程圖。
  13. The right undersdanding of sliding friction force and static friction force is stressed by an explaination about a typical topic

    摘要通過對一道典型題的解答,強調對滑動摩擦力和靜的正確理解。
  14. In actual engineering applications, its wear resistance reduces due to the high temperature resulted from the continuous and heavy load service, which cannot fit the demand of engineering applications. based on the recent research throughout the world, in order to improve mechanical properties and wear resistance at high temperature of za27 alloy, si and mn are added to modify its microstructure. its microstructure and mechanical properties are tested and the sliding friction at ambient temperature and sliding friction at high temperature of znalsi and znaimn are studied

    本文研究了za系合金中應用最廣泛的za27合金,針對企業在工業應用過程中發現za27在中低速重載連續工作時,因溫升造成耐磨性下降,難以滿足工況要求的實際情況,為進一步提高其學性能和高溫耐磨性,結合國內外研究現狀,在za27合金基礎上,添加si 、 mn合金元素調整合金的組織,通過顯微組織分析和常溫機械性能測試,以探索znalsi及znalmn合金常溫及高溫條件下的特性。
  15. If we do so we find that sliding friction between the surfaces in also doubled

    如果我們這樣做了,會發現兩接觸面間的滑動摩擦力也加倍了。
  16. This shows that sliding friction is proportional to the reaction between the surface in contact

    這說明滑動摩擦力與接觸表面的作用成正比。
  17. The force which must be overcome to keep one surface moving over another in known as sliding friction

    而保證一個平面沿著另一個平面相對移稱為滑動摩擦力
  18. And the impact of every parameters of f - ved element, stiffness coefficient and damper coefficient of ved element, normal stiffness, tangent stiffness and sliding friction of frd element and the cross - section area of the brace on the capability of dissipating vibration energy is computed and analyzed

    並對f - ved單元中ved單元的剛度系數、阻尼系數、 frd的法向剛度、切向剛度、滑動摩擦力及支撐橫截面面積等參數對單元阻尼效果的影響進行了分析研究。
  19. In real engineering, the two surfaces in sliding contact are rough. and it is an important theoretical part to calculate the coupled temperature and stress of sliding bodies having rough surfaces

    工程實際中,相互接觸的表面是粗糙的,對粗糙表面的瞬時溫升和熱機械應分析有重要的理論意義。
  20. Based on these preliminary studies, a down flow tube reactor of biomass pyrolysis was designed, fabricated and modified. ceramic balls were used as the heat carrier in the reactor to heat up the biomass with very high heating rate at moderate temperature

    對陶瓷顆粒的學性能、陶瓷顆粒和玉米秸稈粉的混合堆密度、陶瓷顆粒和玉米秸稈粉混合物沿斜道的及其運狀態進行了研究,從而為熱解液化裝置相關設備的設計提供了設計依據。
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