表面摩擦系數 的英文怎麼說

中文拼音 [biǎomiànshǔ]
表面摩擦系數 英文
skin friction coefficient
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : 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...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  • 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...
  • 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現象進行了研究,發現在接觸區定子上一點的水平振動產生驅動力,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降低的原因。
  2. Carboxy ion ( cooh " ) was performed at an energy of sokev with fluences ranging from ixlo14 to ixlo15 ions / cm2 at room temperature

    Cn薄膜的更低,具有更光滑的是主要原因。
  3. 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,低性,光滑性等諸多優點,用途更廣泛,可適用於各種器械的處理施工。
  4. 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找出配方與性能間的關,擬合曲線基本能示各配方的發展趨勢;配方中不加銅粉或不加石墨,其均較高,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,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,在金屬均可形成潤滑轉移膜,從而減少金屬間的直接接觸,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 。
  5. 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。
  6. 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
  7. 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的標準試驗方法
  8. 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粗糙度、不同溫度條件、不同潤滑接觸狀態下的最大靜實驗,總結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。
  9. 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,在超越離合器弧塊創新設計加工排油溝,增大,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,實驗明:相同條件下,新型離合器低副接觸比滾柱離合器高副線接觸變形小、溜滑角小。
  10. The internal surface of cylinder is honed and processed so that the fricition coefficient is low and the service life is long

    氣缸內經精細珩磨加工,低,使用壽命長。
  11. The results of friction and wear test showed that this wearable composite has lower wear rating, but has bigger friction coefficient

    通過對材料進行磨損試驗,結果該耐磨復合材料的磨損率較小,但偏大。
  12. In the study of the wear resistance, friction coefficient and wearing quantity were mainly investigated, and their changing tendency in a tribological process was made clear through experiments

    在研究耐磨性時,本文主要考慮了磨損過程中和磨損量的變化。
  13. The experimental results of the flow characteristics of the mmc heat sink indicate that the critical reynolds number signifying the transition from laminar flow to turbulent flow is in advance ; under the same experimental conditions, the variation in entrance direction of the microchannel inlet and outlet has little effect on the microchannel ; the experimental values of the friction factor of the de - ionized water in a microchannel agree well with those calculated using the theoretical laminar formula ; furthermore, a comparison of the experimental results and simulation results shows that navier - stokes equation and rng - turbulence model can be used to model the laminar and turbulence flow regions in a microchannel ; meanwhile, the correlations of the flow resistance in the turbulent flow regions for the de - ionized water as the working fluids are obtained from experiments

    對歧管式單通道熱沉流動特性的研究結果明,微通道內流體流態由層流向紊流轉變的臨界雷諾提前;改變流體的進出口方向對熱沉總壓降造成的影響很小;的實驗值與理論值較接近;值模擬結果能夠與實驗值較好吻合;並由實驗給出了紊流區流動阻力的實驗關聯式。此外,選用十二烷基硫酸鈉( sodiumdodecylsulphate , sds )以及烷基多糖苷( alkylpolyglycoside , apg )作為減阻添加劑,研究了活性劑添加對微通道流動特性的影響。
  14. By adoption this numerical model, the study has emphases on the effect of wave on the wind stress, wave on the bottom stress and radiation stress on the sea level. the study also has researched the effect of tide - surge to wave

    運用這個模式,重點研究了波浪對拖曳的影響;波浪對底應力的作用;輻射應力對潮汐風暴潮水位的影響以及潮汐風暴潮對波浪的作用。
  15. The results showed that surface of different materials have obvious influence on the frictional coefficient while direction has no significant effect on it

    結果明:方向對的影響不大,實際生產中主要需考慮基材的影響。
  16. Moreover, it was found that the microstructure and physical properties of dlc film were affected to some extent by the distance between target and substrate. when the distance between target and substrate increases, sp 3c content in the deposited dlc film decreases. accordingly, the value of surface roughness, microhardness, friction coefficient, residual stress and band gap became lower in the same way

    此外,靶基距對dlc薄膜的結構和性能也有一定的影響,隨著靶基距增加, dlc薄膜中的sp ~ 3c含量減少, dlc薄膜的粗糙度降低,顯微硬度降低,減小,殘余應力減小,光學帶隙eg減小。
  17. It is found that the microstructure and properties of as - deposited dlc films is seriously dependent on the substrate temperature used in deposition processes. with the increase of substrate temperature, sp 3c content in the deposited dlc film decreases, surface roughness and friction coefficient of deposited dlc films increase. at the same time, microhardness, residual stress and optical band gap became lower

    研究發現,基片溫度對dlc薄膜的結構和性能影響最明顯,隨著薄膜沉積過程中基片溫度的增加, dlc薄膜中的sp ~ 3c含量減少, dlc薄膜的粗糙度增加, dlc薄膜的顯微硬度降低, dlc薄膜的增大, dlc薄膜的殘余應力都是減小的,光學帶隙eg變窄。
  18. By testing some parameters, such as the maximum non - seizure load, the shape and diameter of wear scar, the friction factor, the nanometer caco3 particles " properties of extreme pressure, anti - wear and friction reduction have been tested and analyzed. the properties of the nanometer caco3 particles " tribology chemistry have been analyzed through x - ray photoelectron spectrum test. also the nanometer caco3 particles " mechanism of anti - wear and friction reduction has been studied systematically

    通過測試最大無卡咬負荷、觀察磨斑形貌和測定磨斑直徑以及測試,對納米碳酸鈣粒子的極壓性能和抗磨減性能進行了分析和研究;通過xps測試對納米碳酸鈣潤滑油添加劑進行了化學的分析和研究,對于納米碳酸鈣粒子的抗磨減機理做了統的分析。
  19. Plastic deformation happened in the worn surface where fe element was found, so pam micro - fiber supported part of the load and prevented the further deformation. on the condition of high speed and high load, the worn surface of pam1 / nylon 6 composites was nearly melted and formed comparative uniform transfer on the surface of steel, which accounted for the rather low wear mass loss. the infrared analysis showed that the a small quantity of transition of crystal form from into of nylon and its composites happened during the friction because of the high temperature and strong sheering strength

    通過對復合材料耐磨性能研究明:復合材料的隨載荷的增加而逐步下降,且磨損有明顯的塑性變形;從能譜分析結果來看,復合材料有fe的存在,明pam微纖承受了部分載荷,並阻止了基體的進一步塑性變形及粘著轉移;在高速高載時, pam1 /尼龍6磨損處于粘流態,並在鋼環形成了連續的轉移膜,現出較好的耐磨損性能,且在高溫和強剪切力的作用下,材料基體發生了少量的晶體向晶體的轉移。
  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

    實驗結果明板附近的流動已由湍流流動轉變為層流流動,同時平板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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