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- As soon as sliding begins, it is found that the friction force decreases. 人們發(fā)現，滑動(dòng)一開(kāi)始，摩擦力就減
- The observed friction force is the force required to break these tiny welds. 我們觀(guān)察到的摩擦力，就是破壞這些細微的焊接點(diǎn)所需要的力。
- Calculation results show that greater friction force exist between drill stem and wall of bore in tripping out and drilling using PDM (positive displacement motor) working conditions. 計算結果表明，起鉆和井底動(dòng)力鉆具鉆進(jìn)兩種工況，鉆柱與井壁間有較大的摩擦力。
- The effect of curvature, torsion and Dean number on secondary flow, the isoline of stream function, the distribution of axial speed and wall friction is discussed in detail. 詳細討論了曲率、撓率、Dean數對二次流動(dòng)、流函數等值線(xiàn)和軸向速度的分布以及壁面摩擦力的影晌。
- In such a situation he would give anything for the sake of just a little friction force. 在這樣的情況下，他會(huì )不惜任何代價(jià)來(lái)?yè)Q取那怕只是一點(diǎn)兒摩擦力。
- When the friction force acts alone, the total mechanical energy is not conserved. 當只有摩擦力作用時(shí)，總機械能就不守恒。
- This nonlinear change in friction force over a small change in velocity results in uncomfortable feeling when people hitchhike hydraulic lift. 該摩擦力的非線(xiàn)性改變使速度產(chǎn)生變化,導致人們在搭乘液壓電梯時(shí)產(chǎn)生不舒適感。
- The friction force is therefore called a nonconservative or a dissipative force. 因此，摩擦力稱(chēng)為非保守力或耗散力。
- In the impingement experiments, the spray were impinged on the wall using a single hole, spray kept on moving alone the wall, and vortex was observed as a result of gas resistance and wall friction. 油束撞擊到平板受到平板的限制，形成壁面噴射，油束沿壁面運動(dòng)，由于受到壁面上方空氣的阻力而部分油束脫離平板形成“卷氈”現象，油束卷起的高度即壁面高度遠小于壁面貫穿距離。
- What effect does this have no the friction force between the opposing lineman's feet and the ground? 這對這名邊線(xiàn)防守隊員的腳與地面之間的摩擦力產(chǎn)生了怎樣的影響？
- The friction force between Si3N4 probe of AFM with WS2 nanotube is lower than that with MoS2 powder. 在室溫大氣下干摩擦時(shí)原子力顯微鏡的S3iN4探針與WS2納米管之間的摩擦系數小于與MoS2粉末的摩擦系數。
- The work of the friction force does depend on the path; the longer the path between two given points, the greater the work. 摩擦力的功則取決于路徑，路徑越長(cháng)，功越大。
- In pneumatic proportional position control system, the friction force is a key factor affected the accuracy of its positioning. 摘要氣動(dòng)比例位置控制系統中，摩擦力是影響其定位精度的一個(gè)關(guān)鍵因素。
- Because of the ice and the snow, it has less frictional force. 再加上冰雪在減少磨擦力。
- This frictional force causes the velocity of an object to decrease. 這種摩擦力使物體的速度減低。
- The isolation of this damper is performed by the friction force caused by relative slip between plate layers under loading. 根據動(dòng)力學(xué)原理,建立了阻尼器的振動(dòng)系統模型及系統方程;
- The friction force is described by a hysteretic model, which is determined by the state of motion of the damper, i.e. stick or slip. 阻尼器摩擦力由黏滯模型描述，由接觸面滑動(dòng)或黏滯狀態(tài)決定。
- The shutters thumped the wall in the wind. 在風(fēng)中百葉窗砰砰地碰在墻上。
- If there are nonideal constraints in the system, such as a spring force or a friction force etc, they can be treated as a positive force. 若要求解約束反力，需解除相應的約束，代之以約束反力，并計入主動(dòng)力。
- Flanged valves have following features : small opening stroke , small friction force when opening and shutting ,and high abrasion resistance . 本閥門(mén)結構為法蘭連接，具有開(kāi)啟行程小、摩擦力小、耐磨等特點(diǎn)。
