磨損曲線 的英文怎麼說

中文拼音 [sǔnxiàn]
磨損曲線 英文
wear curve
  • : 磨動詞1 (摩擦) rub; wear 2 (研磨) grind; mull; polish 3 (折磨) grind down; wear down [out]:...
  • : Ⅰ動詞1 (減少) decrease; lose 2 (損害) harm; damage 3 [方言] (用尖刻的話挖苦人) speak sarcas...
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 磨損 : wear and tear; abrasive wear; abrase; abrade; detrition; wear; scuff; wear out; fray; battering; ...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. The fourth chapter introduces the theory of fractional brown movement ( fbm ). the image texture of turning workpiece is analyzed using fbm model. after abstracting the texture character, the cutting tool wear status can be determined according to fractal dimension and average slope of the fitting curve of the logarithm power spectrum

    第四章採用分數布朗運動( fbm )的基本理論,對切削工件表面紋理的圖像進行分析,提取紋理特徵參數,根據分形維數和圖像上對數功率譜的擬合的平均斜率來判斷刀具的狀態。
  2. The frequency curve of transverse distribution of the wheel track on divided ways reveals that the frazzled damage of highly channelizing expressway cement concrete pavement largely occurs in the peak range of distribution curve of the wheel track

    摘要分車道行駛輪跡橫向分佈頻率顯示,渠化程度較高的高速公路水泥混凝土路面破壞主要集中在行車道輪跡峰值范圍。
  3. Recently, with the development of railage, passenger transport, freight and the density of train have increased mostly. it results in rail - wear day after day, especially the side rail - wear. so the ministry of railway has been taking the situation of rail into account greatly to insure train and rail safely

    近年來隨著鐵路重載運輸的大力發展,客貨運量和行車密度大幅度增長,從而導致鋼軌耗日益嚴重,尤其是鋼軌的側面耗急劇上升,因此鐵路工務部門十分重視對鋼軌傷情況的檢測,以確保行車的平穩性和安全性。
  4. The effect of borided layer at low temperature on wear resistance and brittleness of borided layer for steel 45 was studied by means of wear test, brittleness test and anode polarization measurement

    通過試驗、脆性試驗和陽極極化的測試,研究了低溫滲硼對鋼滲硼層耐性、脆性和耐蝕性的影響。
  5. If we take out several measuring points along the bore axis and work out the amount of bore wearing, we can consult and calculate the muzzle velocity reduction of the piece by reference of the curve board

    沿膛軸方向取若干個測點,當測出各點的炮膛量后,即可從板中查取計算出火炮的初速減退量。
  6. 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,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 。
  7. As for one specific gun ammunition system, by use of the established mathematical models the curve of the bore wearing, the muzzle velocity reduction related to that kind of curve and the weight coefficient at each section of that curve can be simulated

    對于某一火炮彈藥系統,利用建立的數學模型可模擬出炮膛磨損曲線及每一條所對應的初速減退量、上各段的權重系數。
  8. The wear mechanism of tungsten carbide particle reinforced steel matrix composites was studied according to the frictional and wear characteristics and the scanning electron microscopy photographs of worn surfaces after wear testing. the effect of heat treatment and tungsten carbide content on wear resistance was investigated as well

    結合特性和不同時間的摩擦面sem照片,分析了wc鋼復合材料的機理,並討論了不同熱處理工藝和wc顆粒含量對wc鋼復合材料性能的影響。
  9. According to the relation between gear wear and its vibration, continuous wavelet transform is introduced to estimate the wear condition, the energy values of continuous wavelet on scale fit a spline which is much like that of the wear course of the gear

    最後,將基於連續小波變換的信號處理方法引入變速箱齒輪的估計。根據信號的連續小波變換的能量譜對尺度的積分值,擬合得到齒輪的過程
  10. Calculation of the fractal dimension of wear surface profiles

    表面輪廓分形維數的計算方法
  11. The image of the curve is obtained by planar ccd system. the author independently works on : ( 1 ) the image processing : ( 2 ) the imaging model of the ccd cameras, that is the coordinate transforming relationship between the image coordinates and the corresponding world coordinates : ( 3 ) the method of curve connection : ( 4 ) the experiments of the figures of the wheel trackside profile and calculation of the flange thickness related to the wheel wear

    作者獨立完成的工作包括: ( 1 )對車輪輪廓的激光圖象進行處理; ( 2 )建立了左、右ccd攝像機的實際攝像模型,推導出圖象坐標到物方實際坐標的變換關系; ( 3 )研究了幾種拼接方法; ( 4 )通過實驗,應用拼接方法確定輪廓的形狀,最終算出反映車輪的重要參數。
  12. An analysis on failure of hyperbolic gears for heavy duty trucks

    重型汽車后橋雙齒輪失效分析
  13. The wearability of the coating improved, the nanometer composite electroless coating was better than the ni - p electroless coating and the micrometer composite electroless coating from the curve of the loss weight for abration

    鍍層的耐性能也有顯著的提高,從失重上看,納米復合鍍層明顯優于ni - p合金鍍層和微米碳化硅復合鍍層。
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