滑動摩擦系數 的英文怎麼說

中文拼音 [dòngshǔ]
滑動摩擦系數 英文
coefficient 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...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 滑動 : slither; slippage; slipping; slide; sliding; run; sliding movement [motion]; glide; slump滑動閘門...
  • 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...
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. 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,Uk的定義是力與法向力的比率。
  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,uk的定義是力與法向力的比率。
  3. 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力隨上部結構荷載變化的規律; (二)通過單柱承載力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、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、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參; (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,斗?抗側移剛度,斗?恢復力特性及滯回曲線,斗?抗壓極限承載力及受力變形規律; (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、耗能減振參等進行了定量分析。
  4. Moreover, it is a compatible raw material under the terms of the food sanitation law. also, through the use of newly developed complex technology, we have given this coating excellent non - adhesion, low friction and sliding capabilities, etc. thanks to these capabilities it has become possible to adjust the surface treatment performance to match a wide range of application purposes, equipment, etc

    聚氨酯本身具有耐磨損性,高特性,還有防止靜電的導電特性,保證工廠安全的自溶解特性,亦可用作食品衛生法對應的原料,此外通過最新開發的復合技術具備了無粘性,低性,光性等諸多優點,用途更廣泛,可適用於各種器械的表面處理施工。
  5. Study on response computation of a vibration system with variable coefficient of sliding friction using equivalent linearization technique

    非恆定滑動摩擦系數統等效線性化計算方法研究
  6. 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的拉拔試驗據,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力或阻力的影響程度分成三階段(靜阻力階段、阻力階段,殘余阻力階段) ; 2 )不同(規范)定義的筋土界面阻力值相差較大,但影響因素對阻力影響程度及其變化規律不會因不同(規范)定義而受到影響。
  7. Test method for friction coefficient of flexible graphite sheets by sliding

    柔性石墨板材.滑動摩擦系數測試方法
  8. Sliding friction coefficient of granular and powder mixture in inclined tube

    顆粒和粉體混合物沿斜道的滑動摩擦系數
  9. 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學模型,只有建立正確的學模型,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與碰撞前、后速度的關;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,採用恢復滑動摩擦系數等概念,分別建立了碰撞后車輛力學模型;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。
  10. Table 2 : the loading p, abrasion linear velocity v, pv value and abrasion coefficient of some materials

    表2幾種材料的負載p線速度v pv值和
  11. 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、阻尼、 frd的法向剛度、切向剛度、力及支撐橫截面面積等參對單元阻尼效果的影響進行了分析研究。
  12. 3, during the process of the gear teeth meshing, the film shape and pressure distribution have little difference. but, the temperatures have the distinctive changes as the engaged position is varied, which means that the temperatures as the increase in the rate of slide to roll

    3 、在齒輪傳嚙合過程中,壓力分佈和油膜形狀無明顯變化,但溫升隨嚙合位置的不同呈顯著變化,即溫升隨著滾比增大而增大;在單、雙齒嚙合交替處,達到極值,可達0 . 08 。
  13. First, polytetrafluoroethylene ( ptfe ) composites filled with various contents of glass fibers ( gf ) and graphite were prepared by compression molding. the screening friction and wear tests were carried out in a reciprocating sliding tribotester. it is found that the optimal ptfe composite was a ptfe - 25wt. % gf - 5wt. % graphite amongst the composites

    採用石墨與短玻璃纖維( sgf )填充ptfe ,制備出一列ptfe復合材料,在往復式試驗機進行篩選試驗,結果發現: ptfe - 25 % sgf - 5 %石墨復合材料的與比磨損率都比較低。
  14. The main advantages for griptester are : a ) it has a automatic water deposition system ; b ) it is controlled by computer, c ) the operation is full automatic ; d ) the measure result has good stability and so on

    Griptester儀是英國近年來開發研製的新型抗檢測設備,在多項工程檢測中表現出優良的技術特性,如自備灑水統,計算機控制,全自操作,測試結果穩定性好等。
  15. On the basis of utilizing geometric conversion and modification principle of spur and helical gears, the mathematical model for geometric parameters and modification of overlapping coefficients of gear was established, and the calculation method of sliding frictional coefficients under elasto - hydrodynamic lubrication state was introduced, thus let the calculation method of meshing efficiency of gears be more coinciding with the practical application

    在運用直、斜齒輪幾何換算和變位原理的基礎上,建立齒輪的幾何參和重迭修正的學模型,介紹了彈流潤清狀態的計算方法,從而使齒輪嚙合效率計算方法與實際應用更吻合。
  16. Pairing up with steel and at the condition of dry friction, the pure uhmwpe has an increasing friction coefficient and wear value with the increase of sliding velocity, and so does its composites. the uhmwpe - base composite reinforced by cu powder which makes up 15 % of the composite by weight and the uhmwpe - base composites reinforced by cuo powder which makes up 10 % - 15 % of the composites by weight are more capable of enduring higher sliding velocity than the pure uhmwpe

    在與鋼配副、干條件下,隨速度的增大, uhmwpe及其復合材料的和磨損量都增大,質量分為15的cu粉填充uhmwpe復合材料和質量分為10 15的cuo填充uhmwpe復合材料承受高速的能力強于純uhmwpe 。
  17. In this paper, ptfe and ptfe composited with sicp, sicw, mos2p and sicp + mos2p with various ratios respectively have been obtained by compression molding. under the condition of dry friction, a systematic study has been done on the weight loss and the friction coefficient of composites and the relations between the properties and content of the filling, the load and the sliding velocity

    在干磨損條件下,對ptfe材料及其復合材料的磨損失重、及磨損機理進行了研究,同時對其與磨損外部條件(載荷、速度)和材料的內部因素(填料的含量、粒徑、種類)的關進行了較為統的研究。
  18. The properties of product : extremely high wear - resisting performance, an extremely low cofficion ; fine person who lubricate by oneself, it si unnecessary the note oil, use the difficult card to die under the abominable condition ; antistatic, it is fire - retardant to resist, ageing - resistant, able to bear the corrosion of chemistry ( sour alkali and organic solvent ) ; can bear and assault, shake repeatedly ; mechanical performance is excellent, light, install it conveniently

    產品性能:極高的耐磨性能,極低的,優良的自潤性,不用注油,在惡劣條件下使用不易卡死;具有抗靜電,抗阻燃,耐老化,耐化學(酸、堿和有機溶劑)的腐蝕;能承受反復沖擊、震;機械性能優異,重量輕,安裝方便。
  19. Owing to the interfacial cracking which occurs under higher applied load conditions, the composite with high content of tib _ 2 phase exhibited a transition from mild wear to severe wear over the applied load range from 10 n to 80 n. under moderate applied load, increasing the sliding speed caused a decrease in wear rate and friction coefficient of the in - situ composites because the formation of a protective oxide film occurred on the sliding surface and the hardness of the subsurface layer was maintained due to reinforcement of tib2 nanoparticles in the cu matrix

    隨著載荷的增加, cu -納米tib2原位復合材料的磨損率和增加;由於在較高載荷下發生表面開裂,高含量的tib2相增強原位復合材料發生了由輕度磨損向嚴重磨損形式的轉化。在中等載荷下由於表面保護性氧化膜的形成和基體中納米tib2相的存在使復合材料具有良好的抗軟化能力, cu -納米tib2原位復合材料的磨損率和隨著速度的增加而下降。
  20. Taking into account thermal and non - newtonian effects of the lubricant, this paper has theoretically investigated elastohydrodynamic lubrication of involute spur gears, and achieved the pressure distribution, film shape, temperature distribution and the values of the friction coefficient and its varying law along the line of action of gear transmission

    本文在考慮了潤劑的熱效應和非牛頓效應后,對漸開線直齒輪的彈流潤問題進行了理論研究,獲得了齒輪傳的壓力分佈、溫度分佈、油膜形狀和齒面的取值范圍及其沿齒輪傳嚙合線的分佈規律。
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