靜摩擦力 的英文怎麼說

中文拼音 [jìng]
靜摩擦力 英文
static frictional forces
  • : Ⅰ形容詞1. (安定不動; 平靜) still; calm; motionless 2. (沒有聲響; 清靜) silent; quiet Ⅱ名詞(姓氏) a surname
  • : 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...
  • 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. 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動臺試驗,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,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  2. The big dipper colloid mill principle of work full sound of something astir grinding pan tooth profile incline relative motion but becomes, high speed revolves, another static causes the material to receive the enormous shearing force and the friction force through tooth profile incline between material, at the same time and so on under the complex strength function causes the material for the fluid ultramicron smashing, the emulsification, the disperser, isotropically at the high frequency vibration and the high speed whirlpool, to stir and so on the function, may replace and surpass the stone mill, the sand blast machine, the ball mill, the breast is uniform machine, cuts the mulser, three rollers machine, organizes working efficiency and so on the stamp mill

    七星膠體磨工作原理充分動磨盤齒形斜面的相對運動而成,其中一個高速旋轉,另一個止使物料通過齒形斜面之間的物料受到極大的剪切,同時又在高頻震動和高速旋渦等復雜的作用下使物料為流體超微粒粉碎、乳化、分散、均質、攪拌等功能,可代替並優于石磨,砂磨機、球磨機、乳勻機、剪切乳化機、三輥機、組織搗碎機等工作效率。
  3. Seven stars colloid mill principle of work full sound of something astir grinding pan tooth profile incline relative motion but becomes, high speed revolves, another static causes the material to receive the enormous shearing force and the friction force through tooth profile incline between material, at the same time and so on under the complex strength function causes the material for the fluid ultramicron smashing, the emulsification, the disperser, isotropically at the high frequency vibration and the high speed whirlpool, to stir and so on the function, may replace and surpass the stone mill, the sand blast machine, the ball mill, the breast is uniform machine, cuts the mulser, three rollers machine, organizes working efficiency and so on the stamp mill

    七星膠體磨工作原理充分動磨盤齒形斜面的相對運動而成,其中一個高速旋轉,另一個止使物料通過齒形斜面之間的物料受到極大的剪切,同時又在高頻震動和高速旋渦等復雜的作用下使物料為流體超微粒粉碎、乳化、分散、均質、攪拌、混合等多種功能,可代替並優于石磨,砂磨機、球磨機、乳勻機、剪切乳化機、三輥機、組織搗碎機等工作效率。
  4. Abstract : on the basis of general principles of mechanics and critical state soil mechanics theory, a theoretical formula determining the coefficient of earth pressure at rest for cohesionless soil is derived by means of combining hypoplasticity with critical state soil mechanics. the formula has a simple form and is only related to the effective angle of internal friction of soil. there is a slight difference between the calculated value of the formula and that of other formulae. the further investigation of the formula shows that it can be used to determine the coefficient of earth pressure at rest of cohesionless soil

    文摘:在滿足一般學原理和臨界狀態土學理論的基礎上,本文將亞塑性理論與臨界狀態土學相結合,推出了一個計算無粘性土止土壓系數的理論公式.該公式形式簡單,僅與土的有效內角有關,其計算結果與常見的多個經驗公式的計算結果只有微小的差別.文中討論結果表明,該公式可用於確定無粘性土的止土壓系數
  5. Secondly, the static stress and strain characteristic of polymer - geogrid reinforced earth is summarized, the pulling stress distributing of the reinforced material in the earth walls, the interface characteristeric between the reinforced material and earth and the friction stress distributing between the reinforced material and earth are analysed

    然後,總結了塑料土工格柵加筋土應變特性的一般理論,分析了塑料土工格柵筋材在擋墻中的拉應分佈和塑料土工格柵與土的界面特性以及筋土間的分佈。
  6. Compared the results of fea and the data of experiment, we can analyse that the distributing of the seismic stress of polymer - geogrid reinforced material is similar to that of the static stress, but the stress values of them is different ; the seismic similar friction coefficient between the earth and reinforced material fall with the increasing of earthquake acceleration, model acceleration respond along the height of the model, etc. thirdly, according to the comparison and analysis of the model seismic fea results and model experiment data, we can find the polymer - geogrid reinforced earth seismic fea is reasonable, which is composed by earth element, contact element and reinforced material element

    通過對比有限元計算結果和試驗數據,分析得出塑料土工格柵筋材的最大動拉應的分佈與拉應的分佈沿筋材的埋深大致相同,只是應的值大小不同;地震作用下土筋間的動似系數是隨地震加速度的增加而減小;模型沿墻高方向的加速度響應等。接著,根據模型動有限元時程分析結果和模型試驗數據的比較分析,得出由土體單元、接觸單元和筋材單元組合的塑料土工格柵加筋土非線性動有限元分析模式的合理性。
  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(階段、滑動階段,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. This slightly greater force in called static friction

    相對運動之前的這種較大的稱之為
  9. A method is provided to measure the friction parameters of the bed. the maximum friction torque, coulomb friction torque, viscous friction coefficient and moment of inertia can be gotten by fitting the free reduced rate curve of the gimbals and measuring the motor current when the motor begins to rotate

    提出了一種測量轉臺特性的方法,通過對轉臺在無外推作用下的速度衰減曲線的擬合以及電機啟動過程電流和轉速的測量,可以得到最大靜摩擦力矩、庫侖矩、粘滯系數及轉動慣量。
  10. The experiment and simulation results show that the stabilization error peak is caused by the step friction torque when the disturbance changes its direction

    實驗和模擬顯示轉臺穩定誤差在擾動換向時的「尖峰」由轉臺轉軸的階躍干擾矩產生。
  11. 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,強調對滑動靜摩擦力的正確理解。
  12. Paper and board. paper, board, corrugated board and their components. determination of the coefficient of static friction and ' estimation of the coefficient of dynamic friction dynamometer method

    紙和紙板.紙張紙板和瓦楞紙板及其組成部分.系數測定和動系數估算測計法
  13. The 3d model of mold is analyzed in 3d fem by using ugh. base on the analyses result, some danger structure of the model have been found and some suggestions of the mold modification are given. since doing a lot of research about the 3d cadvcae technology, a 3dcad system of selecting mold for aluminum material have been developed and the method of analyzing the 3d model is provided in this paper

    然後,為了能真實地模擬實際生產過程,進行鋁與模具鋼在一定表面粗糙度、不同溫度條件、不同潤滑接觸狀態下的最大系數實驗,總結系數隨溫度變化的規律性和取值范圍;最後,應用ug 17 . 0三維有限元cae模塊進行模具三維場分析,根據三維有限元的結果分析,對模具危險部分進行預變形的處理和優化,改善模具受變形的狀況。
  14. The preferences are analyzed, pipe ’ s parameters such as depth, thickness, pipe diameter, and mechanical property of material ; soil parameters such as soil types, internal friction angle, pipe - soil interaction ; fault ’ s parameters such as fault types, fault throw, fault drop, fault - pipe angle, mechanical property of material ; load types such as gravity force, linear displacement load, seismic load and seismic wave. some conclusions are drawn from the calculating results : when buried pipes cross fault, pipe ’ s embedded depth should be shallow, and big pipe diameter and thick wall should be selected. avoid the site where fault moves severe, and select suitable pipe - fault angle

    在有限元三維模型建立中考慮的因素有:管道自身參數如管道埋置深度、管壁厚度、管徑、管道材料等;巖土材料參數如土體類型、巖土的內角、管土相互作用等;斷層考慮有斷層類型,斷層斷距,斷層錯動距離,斷層與管道的交角,斷層材料的考慮等;荷載分別考慮荷載,動荷載,其中動荷載包括線性位移加載、地震加載和地震波加載等。
  15. Any hypothetical force postulated to either push or pull oceanic plates would be quickly dissipated overcoming the friction of sliding over a static fluid mantle beneath

    任何假設的能推動或拉動大洋板塊的,會很快因克服在其下態的熱體地幔上滑動的而被消散。
  16. The static triaxial test of two engineerings shows that the breaking strength of asphalt concrete declines significantly as the temperature rises and the strain increases noticeably when breaking. increase in the asphalt content leads to decrease in tangent modulus and cohesion, but the internal friction angle tends to increase. increasing confining stress results in the augment of the maximum stress and the ultimate value of volumetric strain

    兩個實際工程的三軸變形與強度試驗表明,隨著溫度升高瀝青混凝土破壞強度明顯降低,破壞時應變明顯加大;瀝青含量的增加會導致切線模量和凝聚降低,但內角趨于增加;周圍壓增大會導致最大應_ d增大,其體變壓縮極限值也越大。
  17. According to some hypothesis about tool surface, the relationship among the friction, roughness and hydrostatic stress was derived, and the limited hydrostatic stress was got when the sticky friction takes place

    同時,根據對工具表面的某些假設,推導了與粗糙度和水壓應等之間的關系,並求出了發生粘著所需的水壓應
  18. Complete h bridge driving circuit is achieved to drive motors in the hardware design of robot ' s driving and control system. it adopts pwm digital signal as its control signal. this kind of circuit has some advantages, such as economical, room saving, good resistance against noise

    在機器人驅動控制系統的硬體設計部分,實現了pwm全數字控制的全h橋式多電機驅動電路,它不但具有經濟、節約空間、抗噪能強的優點,而且有效地消除了電機死區,低速平穩性好。
  19. The decisive nano forces are pointed out to he van der waals force, repulsive contact force, nab frictional force, capillary force and nano electrostatic force, and their calculation formulas are also deduced

    指出起主要作用的納觀為范德華、接觸斥、納米、毛細作用以及納米等五種,並初步推導了各種納觀的表達形式。
  20. This article studys the frozen coal microscopic adhesive structure, pointed out the intensity of frozen coal is the synthesis of chemical bond strength, intermolecular action, hydrogen bond strength, electrostatic force and friction force, because the coal freeze situation differents, effect of different factors are also different

    本文研究了凍煤的微觀凍粘結構,指出凍煤的強度是化學鍵,分子間作用,氫鍵等多種因素的綜合,因煤的凍結情況不同各因素所佔比例亦不同。
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