friction layer 中文意思是什麼

friction layer 解釋
磨擦層
  • friction : n. 1. 摩擦,阻力。2. 傾軋,沖突,不和 (between)。3. 擦熱皮膚。
  • layer : n 1 放置者,鋪設者,計劃者。2 【賽馬】(一般)賭客。3 產卵的雞。4 【軍事】瞄準手。5 層;階層;地...
  1. Boundary - layer skin friction

    邊界層表面摩擦
  2. Boundary layer skin friction

    邊界層表面摩擦
  3. It has been discovered that ( 1 ) in the region between 100 - 350 the friction coefficient is lowering along with the swing of temperature ; ( 2 ) the friction coefficient is the highest at the temperature of 500, and adhesive wear occurred ; ( 3 ) the global graphite grain layer appeared at the surface of wear scar at 450n and 300, and played an extremely good effect of lubrication, thus makes a fairly lower wear at the temperature of 300

    發現: ( 1 )在100 ~ 350區間,隨溫度的升高,摩擦因數在降低; ( 2 )在500時,摩擦因數最高,且發生了粘著磨損; ( 3 )在450n , 300時,磨痕表面出現了球狀的石墨顆拉層,這起到了極好的潤滑作用,使得300時,磨損較低。
  4. The project of the experimental and theoretic research on friction reduction by microbubbles for high - speed ships, supported by the national natural science foundation of china ( no. 19772050 ), aims to study the key technology of air - jetting devices and its relevant problems, theoretically predict the law of bubble diffusing in the boundary layer and calculate the friction of the hull

    國家自然科學基金項目「高速氣泡船減阻試驗及理論研究」的目的在於研究高速氣泡船噴氣裝置的關鍵技術及其相關問題,並從理論上預測噴氣氣泡在船底邊界層的擴散規律和計算船體摩擦阻力,為將這一技術應用到實船上提供基礎。
  5. We built a test road and after one year, we used surface wave exploration to test. the result is that the repaired layer felt old road well and have no empty spot. we used the pendulum friction tested and the results are the wear - resisting property is better than cement concrete pavement and pendulum friction is higher than cement concrete pavement

    此種材料同原有水泥混凝土路面的粘結性能強,強度上升快,韌性大,抗凍性好,防水抗滲;通過試驗路運營一年多的檢測結果表明:通過面波儀測定修補層與原路面粘結良好,沒有脫空點;利用擺式摩擦儀測定其耐摩耗性能優于原水泥混凝土路面。
  6. The results showed that the friction factor of bn film was about half of that of the steel based materials, and the cohesion between film and substrate could obviously be increased by the ni - p interface layer

    結果表明:氮化硼薄膜的摩擦因數約為鋼基材料的一半,中間層鎳磷合金的加入使薄膜結合力顯著提高。
  7. Thaw settlement cause negative friction. this paper base on the thought of " initiative cooling ", aim at three problems existing in common concrete pile used in frozen soil, a new type of pile is proposed to overcome the disadvantages of the classical pile used in frozen soil. pile body within active layer is fluted and refilled with porous materials such as gravels and ballasts, convection will be occur and then thermal exchange inside porous material in winter while only heat conduction exists in summer, as a result the soil around flutings will be cooled, so the top line of permafrost will be drive up

    本文基於「主動冷卻」地基的思想,以及針對凍土地區普通混凝土樁存在的三大問題,提出了一種新型樁的設計思路,運用數值模擬試驗手段對其冷卻機理與加固機理進行了系統研究,即在凍融活動層的深度范圍內,在混凝土樁身的表面刻槽,修築完時槽內填充碎石、塊石等多孔介質,通過外界大氣溫度的自然波動下多孔介質在冬季時存在的對流換熱機制,而在夏季只存在熱傳導,來達到主動冷卻樁周凍土和抬升凍土上限的目的。
  8. Microstructure of the composite layer was analyzed with help of optical microscope, scanning electronic microscope ( sem ), electronic probe microanalysis ( epma ) and x - ray diffraction ( xrd ). the compacting of the billet and the forming mechanism of the carbide reinforcement were studied based on thermodynamics and kinetics of reaction, sintering theory and the result of dta. at the same time, the wear - resistance of the composite layer was studied under condition of dry sliding friction

    利用光學顯微鏡、掃描電子顯微鏡、電子探針以及x -射線衍射儀,分析了表面復合層的基體組織結構;運用反應熱力學、動力學、粉末燒結理論和燃燒合成理論,結合差熱分析結果,探討了表面復合層壓坯的燒結緻密化原理和碳化物增強相的形成機理;利用坯塊在真空燒結爐不同溫度下的燒結出來的顯微組織分析,模擬出坯塊的燒結過程中的化學反應過程。
  9. Turning the grinding machine round, driven the barrel body to rotate by the transmission, the work piece that makes in the barrel, grinding stones and adding and grinding pharmaceutical and water in right amount, mix in barrel, is it is it flow layer to produce through action of gravity to make use of, flow friction on layer grind cutting, reach the work piece and process the surface quality taken

    ?轉研磨機,是由傳動帶動桶身旋轉,使桶內的工件、研磨石與添加適量研磨劑和水,在桶內混合,藉由重力作用而產生流動層,進而流動層的磨擦進行研磨切削,達到工件加工所要的表面品質。
  10. Nonlocal friction analysis of pile foundation in multi - layer soil

    多層土樁基的非局部摩擦分析
  11. The effect of wave radiation stress is considered in the compound fluid model. the value of bottom friction is offered by the wave - current bottom boundary layer model

    復合流場學模型中考慮了波浪輻射應力的作用,底摩擦由波?流相互作用邊界層模型提供。
  12. Second, the direct analysis method was applied to determine the residual stress of rolling / sliding contact between cylinder and plane. more over the limit of shakedown load of contact surface layer was computed with different friction affection

    對二維滾滑彈塑性接觸的安定狀態,建立循環載荷下接觸安定狀態分析的計算機應用程序,並進行了殘余應變和殘余應力的分析計算。
  13. Piston plated by 0. 5 - 3u tin on the surface in chemical way, the tin layer with little hole has the lubri - cative quality of soft metal. it can absorb more lubricative oil to drop the friction between the piston and cylinder

    在活塞表面用化學方法鍍覆05 . - 3的錫層,多孔的錫層有軟金屬的良好潤滑特性,能吸附較多潤滑劑,降低了活塞與氣缸音的摩擦功
  14. In the paper, the principle and the schemes to be selected of ground treatment have been discussed firstly. especially when the self - settlement of soil layer has not been eliminated entirely through dynamic compaction in shallow soil layer, the friction force will appear around piles. the calculating method of negative force has been discussed, too

    首先,本文論述了地基處理的原則及地基處理方案的選取,特別是在採用淺層強夯未能完全消除土層自重濕陷性的情況下,樁基存在不可忽略的負摩阻力,那麼,計算樁基負摩阻力時,不僅應計入濕陷性土層所產生的負摩阻力值,也應計入其上的非濕陷性土層因失去支托而產生的負摩阻力值。
  15. Starting from a two - layer nonlinear quasi - geostrophic baroclinic vorticity equation containing ekman friction, a new generalized energy is proposed to act as lyapunov function and thus a new criterion of nonlinear baroclinic subcritical instability containing two inequalities is obtained

    從含ekman摩擦的二層非線性準地轉斜壓渦度方程出發,提出了一種新的廣義能量作為lyapunov函數,導出了非線性斜壓亞臨界穩定性判據。該判據含有兩個不等式: ( 1 )
  16. Use of the protective layer of water, the dolphins swimming almost no friction or create a vortex

    藉助這個水的保護層,海豚游動時幾乎沒有磨擦力,也不造成漩渦。
  17. Studying on the shakedown theories and plastic deformation of contact surface layer the shakedown of contact surface layer is related to the strain - hardening models of materials, such as isotropic hardening, kinematic - hardening, and mixed - hardening. the existing results based on experiments and theory show that the shearing strain behavior of contact surface layer caused by friction can be comparatively described with kinematic - hardening

    研究中,圍繞強化後接觸表面疲勞問題,從強化模型選擇、接觸表層安定性存在的條件及其失效規律,進行了詳細的概念定義、定理證明及推論演算等理論工作,為接觸表面層安定性的數值模擬和疲勞分析奠定了理論基礎。
  18. In the model, many processes or phenomena such as crack friction and growth, heat conduction, phase transformation of oxidant particulates, heat generation by viscous liquid layer, chemical reactions of gases in cracks, heat and mass exchange between phases of gas and solid, are described

    模型描述了裂紋滑移擴展、熱傳導、含能顆粒相變、液化層粘性加熱、裂紋內氣相反應、氣相固相質量能量交換及與裂紋擴展耦合等過程。
  19. The surface restoration layer of a gear wheel, which had run in lubricating oil with pbc restoration agent was analyzed using tem, sem, xps, aes and raman ; and the mechanism of reducing friction of the restoration agent was studied

    以透射電鏡、 x射線光電子能譜儀、俄歇電子能譜儀和拉曼光譜儀分析了在添加摩聖修復劑的潤滑油中運行過的齒輪表層,對摩聖修復劑的減摩機理進行了分析。
  20. All of the results indicated the turbulent boundary layer had been turned into the laminar layer. the skin friction coefficient drops rapidly. this result not only proved the phenomenon of reverse transition had occurred, but also showed that this condition was drag - reducing condition

    實驗結果表明板面附近的流動已由湍流流動轉變為層流流動,同時平板表面的摩擦系數較沒有溫度梯度時有大幅度下降,不僅證明了邊界層逆轉捩現象的存在,也說明了這種條件起到了減阻的效果。
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