表摩系數 的英文怎麼說

中文拼音 [biǎomóxìshǔ]
表摩系數 英文
skin-friction coefficient
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 摩 : 摩構詞成分。
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. 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。
  2. ( 6 ) in this paper. adopting fea software ansys to simulation and analysis the al ecap process. in order to spread out studying of ecap in the future. the results show : die comer angle, the radius of round angle, the friction coffience of workpiece and die, the properties of die ( elastic modulus, possion ratio ) et al, have some degree impact on the deformation of materials

    （ 6 ）採用有限元（ fea ）分析軟體ansys對al的擠壓過程進行ecap模擬與分析，為后續研究工作做好鋪墊，分析結果表明：外切角、圓角半徑、試樣與凹模之間的摩擦系數、凹模本身的特性（如彈性模量、泊松比等）等等，對材料的變形量都由不同程度的影響。
  3. Carboxy ion ( cooh " ) was performed at an energy of sokev with fluences ranging from ixlo14 to ixlo15 ions / cm2 at room temperature

    Cn薄膜的摩擦系數更低，具有更光滑的表面是主要原因。
  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:在滿足一般力學原理和臨界狀態土力學理論的基礎上，本文將亞塑性理論與臨界狀態土力學相結合，推出了一個計算無粘性土靜止土壓力系數的理論公式.該公式形式簡單，僅與土的有效內摩擦角有關，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靜止土壓力系數
  5. 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。
  6. 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，高摩擦系數特性，還有防止靜電的導電特性，保證工廠安全的自動溶解特性，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，低摩擦性，光滑性等諸多優點，用途更廣泛，可適用於各種器械的表面處理施工。
  7. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  8. Biology enzyme is adopted to deal with the rabbit wool fibre, which changes the modality and configuration of the rabbit wool fibre, improves fibre ' s surface friction coefficient, fortifies the holding force among the fibres, enhances the spinnability, and meliorates the depilation of the rabbit wool textiles

    摘要對兔毛纖維採用生物酶處理，使其形態結構發生改變，從而提高了兔毛纖維的表面摩擦系數，增加了纖維之間的抱合力，提高了纖維的可紡性，改善了兔毛紡織品的脫毛現象。
  9. 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力或摩擦阻力系數的影響程度分成三階段（靜摩擦阻力階段、滑動摩擦阻力階段，殘余摩擦阻力階段） ； 2 ）不同（規范）定義的筋土界面摩擦阻力系數數值相差較大，但影響因素對摩擦阻力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。
  10. Resilient, laminate and textile floor coverings - measurement of dynamic coefficient of friction on dry floor surfaces

    彈性薄木板和編織地毯.乾地板表面摩擦系數測量
  11. It is shown that : with the enhancement of er effects, the pressure and the thickness of lubricant film are obviously increased, while the friction coefficient and force are increased, the leak flow is reduced

    計算結果表明：隨著電流變效應的增強，油膜壓力和油膜厚度都有明顯提高，但是摩擦系數和摩擦力有所增加，端泄流量有所減小。
  12. The results show that the heat transfer in intake manifold and cylinder has obvious effects on the volume efficiency, while the pipe friction coefficients and bent pressure loss coefficients have less effect

    結果表明，進氣管和氣缸的傳熱對充氣效率的影響較顯著，而管道摩擦系數和彎管壓力損失系數對充氣效率的影響較小。
  13. Standard test method for static coefficient of friction of polish - coated flooring surfaces as measured by the james machine

    用james機測量拋光塗覆地板表面靜摩擦系數的標準試驗方法
  14. 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靜摩擦系數實驗，總結摩擦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模塊進行模具三維力場分析，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，改善模具受力變形的狀況。
  15. After designing oil ditches on the surface of its arc - block, increase friction factor and make sure self - lock which solves above problem. do qualitative analysis to lower pair and one - way overrunning clutch and inner star - wheel - roller overrunning clutch by using self - made lever loader. the experiment shows : on the same condition, the deformation of new overrunning clutch ’ s surface contact with lower pair is smaller than the deformation of roller overrunning clutch ’ s line contact with higher pair and new overrunning clutch ’ s skid angle is smaller

    對低副單向超越離合器的部件進行了加工製造，在超越離合器弧塊表面創新設計加工排油溝，增大摩擦系數，保證實現自鎖，解決了很多離合器工作過程中容易出現無法自鎖的問題;對低副單向超越離合器和內星輪滾柱超越離合器用自製杠桿加載器做了定性分析，實驗表明:相同條件下，新型離合器低副面接觸比滾柱離合器高副線接觸變形小、溜滑角小。
  16. 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滑動磨擦線速度v pv值和摩擦系數
  17. And another brake material formula also can be achieved in which the carbon fiber was replaced by the wood fiber based on the researching of the effect of fibre, resin and filler in multi - fibres hybrid composite test result shows that the formula material have a relatively suitable friction coefficient ( ranging around 0. 35 ), good fade resistance and recovery as well as low wear ratio. by comparing the formula material with the product of national and abroad sold in the market, its low cost and excellent properties make a bright prospect

    在研究各種纖維、樹脂和填料對混雜纖維復合摩擦材料摩擦學性能影響的基礎上，本文研製開發出分別適用於中重型車與中小型車用的剎車摩擦材料的最佳配方和一種含木纖維的多種纖維混雜復合摩擦材料的最佳配方。將所選配方的剎車材料與市售的國內外品牌剎車片進行對比，結果表明本課題所開發研製的摩擦材料的摩擦系數都在0 . 35左右，具有很好的摩擦系數穩定性和抗熱衰退性，磨損率也較小，綜合考慮到配方試樣原料成本較低，在性價比上具有一定的優勢。
  18. The internal surface of cylinder is honed and processed so that the fricition coefficient is low and the service life is long

    氣缸內表面經精細珩磨加工，摩擦系數低，使用壽命長。
  19. As the results, there are distinct hybrid effect between the steel fibre and kevlar fibre, carton fibre and aluminum silicate fiber, which is important to the friction coefficient. the carton fibre and kevlar fibre also have big influence to the friction coefficient for their good characters. the wood fibre has the same character as the carton fibre in the high temperature, being a kind of excellent filler y - 3 filler helps to improve the friction stability and wear - resistance of the friction material by increasing its content

    結果表明，鋼纖維與芳綸纖維、碳纖維與硅酸鋁纖維之間有明顯的混雜效應，對摩擦系數起著十分重要的作用，碳纖維、芳綸纖維自身由於其良好的特性，對摩擦系數也有較大的影響，木纖維在高溫時碳化，起到與碳纖維類似的作用， y - 3填料是一種優良的填料，它的含量增加可以提高摩擦系數的穩定性和耐磨性能。
  20. The results of friction and wear test showed that this wearable composite has lower wear rating, but has bigger friction coefficient

    通過對材料進行摩擦磨損試驗，結果表面該耐磨復合材料的磨損率較小，但摩擦系數偏大。
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