摩擦方向 的英文怎麼說
中文拼音 [mócāfāngxiàng]
摩擦方向
英文
direction of friction-
The striated marks on the curve part of magazine are the marks formed by the friction between shell cases and the inner angularity of magazine ' s curve part during the process of bullet installation
摘要彈匣弧形部擦劃痕跡是射手在以壓推方式向彈匣內壓裝槍彈過程中，彈殼體與彈匣弧形部內邊棱相摩擦而形成的痕跡。Based on the research of the characteristics of piezoelectric ceramic, this paper presents the analysis of the movement of the stator surface points and work principle of motor. this paper describes a theory about the influence of the ultrasonic vibration on the frictional properties of ultrosonic dring, and finds that the horizontal vibration produces friction driving force and vertical vibration affects horizontal driving effect
並且對行波型超聲波電動機的減摩現象進行了研究，發現在接觸區定子表面上一點的水平振動產生摩擦驅動力，垂直振動只起影響水平驅動效果的作用，得出垂直方向超聲振動具有減振作用是引起超聲驅動動摩擦系數降低的原因。By analyzing and experimentally verifying the model, new ways of improving mixer performance were put forward. ( 1 ) heat water should be used in the mixer ' s temperature control to make the mixer work with optimal parameters. ( 2 ) the surface materials of the mixing chamber and rotors should be chosen rationally to change material surface energy and increase friction on them. ( 3 ) when the compound was processed under higher pressure of floating weight, shallow groovers or stripes parallel to the axle of the rotor should be made on the mixing chamber internal wall to increase the real contact area and improve mixing effect
通過對模型的分析和實驗驗證，提出了提高密煉機混煉效果的新途徑： （ 1 ）密煉機溫度控制採用溫水冷卻，使密煉機處于最佳工作狀態； （ 2 ）通過合理選擇密煉室和轉子表面材料以改變材料表面能來增大膠料與它們之間的摩擦力； （ 3 ）在上頂栓壓力較大的條件下，在密煉室內壁與轉子軸線同方向加工淺的光滑槽可明顯改善混煉效果。More esoteric but useful rests include elbow cu ( placing your elbow in a dish of rock and bracing on it ), meat hooks ( using the fleshy heel of your hand to smear on a small rock feature ), and - - wild as it may seem - - facing away from the rock
更需要練習卻也是很有用的休息方式包括用手肘撐住（將手肘放在石盤上並撐開） ，用手掌多肉的部份摩擦小點，以及看起來似乎很瘋狂背向巖面。More esoteric but useful rests include elbow cups ( placing your elbow in a dish of rock and bracing on it ), meat hooks ( using the fleshy heel of your hand to smear on a small rock feature ), and - - wild as it may seem - - facing away from the rock
更需要練習卻也是很有用的休息方式包括用手肘撐住（將手肘放在石盤上並撐開） ，用手掌多肉的部份摩擦小點，以及看起來似乎很瘋狂背向巖面。Now some universities and institutes of china have made some samples of the lunar rovers and theirs wheels, but until now the wheel ’ s mechanical performance is seldom researched and tested. this paper will analyze the mechanical performance of the wheel and design a test - bed to test the performance of the lunar rover ’ s wheel. firstly, the mechanical characters of the soil are separated to press - sinkage character and shear character based on bekker ’ s theory, and common press - sinkage and shear models are introduced and the theory of lankine passive earth pressure is also introduced
根據bekker半經驗法的基本思想，將土壤的力學特性分解為水平方向的剪切特性和豎直方向的承壓特性，闡述了地面力學中常見的土壤的承壓、剪切等力學模型，並引入了朗肯被動土壓力理論，為建立車輪在松軟土壤中前進和轉向的力學模型奠定了基礎，同時進行了實驗土壤的剪切實驗，測量了土壤的內聚力和內摩擦角等參數。As one of the four important parts of water hydraulic axial piston pump, the design of sliding shoes friction matching mainly takes hydrostatic bearing
作為水壓軸向柱塞泵的四個關鍵組件之一，滑靴摩擦副的設計主要採用靜壓支承的方法。The results indicated that, the fabrication process of ultra - fine grain material is mainly determined by the stress, rotate speed and the flux of cooling water. the grain refining and the hardening effect are mostly affected by the rotate speed and the flux of cooling water. compared with commercial ly12, the invalidate strength and the prolongation rate of the ultra - fine grain material are properly improved in the measurement of compression property ; and the abrupt change of the dilatability of the ultra - fine grain material at 500c is found ; also the phenomena of which the grain size of these microstructures is stable when annealed under 300c is observed
研究表明，採用本文提出的摩擦壓扭強變形區轉移法可以得到棒狀的超細晶材料，軸向壓力、扭轉速度和溫度是採用該方法制備超細晶材料的主控參數；試件的旋轉轉速和冷卻速度對變形區晶粒細化和硬化效果影響顯著；超細晶ly12的壓縮性能與淬火+自然時效狀態的ly12壓縮性能相比，斷裂強度和延伸率均有一定程度的增強；超細晶ly12的熱膨脹系數在550左右發生明顯的變化。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力的分佈與靜拉應力的分佈沿筋材的埋深大致相同，只是應力的值大小不同；地震作用下土筋間的動似摩擦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，根據模型動力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力有限元分析模式的合理性。The forces acting on a sliding hoot, the key element of swash - plate axial piston pump. are analyzed and the formulas computing squeezing and repelling forces are derived ; the redundant squeezing force method is presented, including the selection of parts materials, squeezing force factor and the determination of geometric parameters of a sliding hoot
摘要分析了斜盤式軸向柱塞泵的關鍵摩擦副零件滑靴的受力，導出了壓緊力和分離力的計算公式；介紹了滑靴設計方法中的剩餘壓緊力法，包括零件材料、壓緊力系數的選擇以及滑靴關鍵幾何參數的確定。The study of reliability optimum design of self - energizing overrunning spring clutch is raised to meet the following requirement : smaller size, less producing heat and overrunning friction loss in opposite direction. it is important investigating substance in the field to all the country in the world. it is application of modern advanced design method in engineering practice
自激式超越彈簧離合器可靠性優化設計的研究，是針對超越式離合器要求空間尺寸小、溫升小、反向超越時摩擦損耗小而提出的，這也是世界各國在該領域中的重要研究內容，是現代先進設計方法在工程實際中的具體應用。In this paper, the geological characteristics of talc for changfeng and heyuan is introduced. the condition of talc is analysed. it is discussed the genesis of talc
介紹了採用單向托輥和阻尼板的方法對上運帶式輸送機斷帶下滑和帶式輸送機逆轉進行全線柔性摩擦制動的技術方案、主要結構、原理、理論分析計算及應用情況。The method is described as follows : the velocity of the moving part and the gas chamber pressure were measured with a dynamic test measurement system ; a dynamic model was built on force analysis of the moving part ; the total kinetic resistance replaced the horizontal friction and water resistance ; then the resistance - velocity relation curves at moving stages were obtained ; with the empirical formula of the gas chamber pressure and the resistance - velocity relation curves, the preliminary dynamic characteristics were analyzed and the structural form and key parameters of an underwater assault rifle were determined
具體方法為：由動力學測量系統測得活動件速度和氣室壓力；分析活動件的受力，建立動力學模型；以運動總阻力代替水平方向上的摩擦阻力和水阻力，獲得各運動階段的阻力速度關系曲線；利用氣室壓力經驗公式和阻力速度關系曲線，對水下突擊步槍進行初步的動力學分析，確定其構造型式及主要參數。Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed
本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。It utilizes two boltclamped langevin transducers with unanimous frequency characteristic which convert vertical vibration to flexural traveling wave. they are arranged on the place of a elastic pipe to generated traveling - wave. when the traveling - wave propagate, the particles on the elastic pipe traverse an elliptic trajectory, materiel is transported by friction or acoustic streaming
利用兩套頻率特性一致並以縱向振動方式工作的夾心式換能器，通過合理的布局在導管中激勵出行波，使輸送管管壁質點產生橢圓運動，從而利用摩擦或在液體中產生聲流來實現固體及液體的傳送。In order to develop and consummate the analysis theory and calculation method of base - isolated structures, based on the research on restoring force model of isolation systems and the analysis on the nonlinear seismic response of base - isolated structures, the analysis on multi - dimensional and lateral - torsional coupled seismic response of base - isolated structures is developed in this paper. according to the mechanical performance of isolation systems, detailed analysis and improvement of the present research, an unilateral and a bilateral coupled visco - elastic hysteretic model for rubber bearings, an unilateral and a bilateral coupled visco - elasto - plastic differential hysteretic model for lead rubber bearings, an unilateral and a bilateral coupled modified visco - plastic differential hysteretic model for sliding friction bearings are proposed
為進一步發展和完善基礎隔震結構分析理論和計算方法，本文以隔震系統恢復力模型研究及基礎隔震結構非線性地震反應分析為基礎，對基礎隔震結構的多維地震反應及平?扭耦聯地震反應開展了以下幾方面的研究工作：根據隔震系統力學性能的特點，在現有研究成果的基礎上，對隔震系統恢復力計算模型進行了改進和創新，提出了普通疊層橡膠支座單向及雙向耦合粘彈性恢復力計算模型，鉛芯疊層橡膠支座單向及雙向耦合粘彈塑性微分型恢復力計算模型，摩擦滑動支座單向及雙向耦合修正粘塑性微分型恢復力計算模型。Frictional coefficient of paper / al / pe film was measured on different surface and different direction, and the data was analyzed and compared with these different ingredients, thus the frictional coefficient of this new material could be better understood
摘要通過對紙鋁塑復合薄膜正反兩摩擦基材面相互摩擦及不同角度摩擦的動、靜摩擦系數值的測定，比較並分析了不同摩擦基材面和不同摩擦方向對其大小的影響，從而對這種新材料的摩擦系數有了進一步的認識。Because of the segment of the orienting and rubbing cost high in the whole lcd production craft, omitting it can save cost of production. the method of manufacturing polymer stabilized chorlesteric texture ( psct ) with better planar structure under without orienting and rubbing is searching in this article. first, the special properties of clc are introduced
因為摩擦取向在整個液晶生產工藝中成本很高，如果省去此環節，將會極大的節約生產成本，因此本文試圖尋找一種在省去摩擦取向環節的前提下製造具有較好平面排列態的聚合物穩定的膽甾相液晶（ psct ）的方法。The surface orientation technique applied most widely in industrial manufacture of lcd ( liquid crystal display ) is rubbing alignment technology, whose technique is to rubbing the polyimide ( pi ) film laid on glass substrate with rubbing clothes, meanwhile this technique fits to be used in laboratory very much, as its simple flow and good orientation effect
目前在工業上應用得最廣泛的是摩擦取向法，即用摩擦布沿一定的方向摩擦塗覆在玻璃基片表面的聚酰亞胺薄膜。這種方法因為其工藝簡單、取向效果好，非常適合實驗室應用。The results showed that surface of different materials have obvious influence on the frictional coefficient while direction has no significant effect on it
結果表明：摩擦方向對摩擦系數的影響不大，實際生產中主要需考慮摩擦基材面對摩擦系數的影響。分享友人