粗糙度值 的英文怎麼說

中文拼音 [cūcāodùzhí]
粗糙度值 英文
roughness height （or magnitude）
  • 粗 : Ⅰ形容詞1 （長條東西直徑大的） wide （in diameter）; thick 2 （長條東西兩長邊的距離寬的） wide （i...
  • 糙 : 形容詞（粗糙; 不細致） rough; coarse; crude
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 粗糙 : （不精細; 不光滑; 不細致; 草率） coarse; rough; crude
  1. Secondly, the steel balls millstone is used to grind steel ball in ones steel ball factory, and process flocculus the steel balls that possess reticulate veins surface. measure the result as follows : ra ( surface roughness of steel ball ) = 0. 015 u m, wavmess = 0. 06 um, sph ( deviation from spherical form ) = 0. 010 u m, vdwl ( variation of ball lot diameter ) = 0. 015 u m

    然後利用製成的鋼球研磨板對鋼球進行超精磨削加工，加工出了表面具有網狀紋理形貌的「絨面」鋼球，利用儀器測量鋼球表面的粗糙度值達到了0 . 015 m ，表面波紋度值達到了0 . 006 m ，圓度達到了0 . 010 m ，球批直徑變動量小於0 . 015 m 。
  2. Based on hydrodynamic lubrication theory, a rectangular tire tread model for simulating the viscous hydroplaning of tire is set up, taking into consideration the effects of hydrodynamic action, squeeze action and road roughness with numerical solutions obtained

    摘要根據流體動力潤滑理論，將輪胎貓性滑水問題模擬為胎面單元與路面之間的動壓、擠壓膜問題，同時考慮了路面粗糙度的影響，建立了輪胎胎面單元黏性滑水問題的數學模型，並進行數值求解。
  3. In this paper, porous nanocrystalline titanium dioxide films were used to modify the surface of quartz crystal microbalance ( qcm ), the response of qcm with high roughness layer hi liquid phase was discussed, and the difference between the theoretic value and frequency response measured was illustrated in detail

    本文採用tio _ 2納米粒多孔膜修飾壓電晶體傳感器，對高粗糙度壓電傳感器的響應進行了探討，闡明了在液相中壓電響應的實際值與理論值產生偏差的主要原因。
  4. For parameter a, there is a close relationship exist between a ( 9, sr ) in two different radar incident angle that can be expressed as : with considering the effects of soil texture, we get the final expression of the inversion model : where mv ( t1 ), mv ( t2 ) is volumetric soil moisture content in two different temp, c, d is soil type related parameters, and v ( t1 ), s ( t2 ) is coresponding bare soil radar backscattering coefficients. inversion results show that for the c band hh polarized radarsat scansar data with a range of incidence angle from 20 to 40, the soil moisture change value can be derived with an acceptable accuracy using the above model. the temporal and spatial soil moisture change patterns are associated with rainfall and vegetation cover, as well as the soil hydraulic characteristics

    利用最新發展的電磁波散射模型研究了不同植被覆蓋地表雷達波對地表土壤水分的敏感性，建立了半經驗植被雷達後向散射模型; 2 ） .研究發現在農作物等矮小植被覆蓋地表，植被層直接後向散射與植被類型相關，且在植被生長期，雷達後向散射系數對植被含水量的敏感性要高於對植被高度變化的敏感性; 3 ） .解決了單參數雷達地表土壤水分反演問題中，雷達入射角和地表粗糙度的影響這一難點問題; 4 ） .利用土壤介電模型校正了不同土壤類型對反演地表土壤體積含水量的影響; 5 ） .在以上成果基礎上，建立了完整的單參數雷達地表土壤水分變化探測反演演算法，經地表驗證，模型反演地表土壤水分變化值的精度為rmse = 0
  5. From analysis of the test results the conclusions can be obtained as follow : the coefficient of friction under line contact is same as under point contact

    研究表明：線接觸微動摩擦因數變化與點接觸形式相同；位移幅值在部分滑移區時，表面粗糙度對表面磨損有影響。
  6. Theory analysis shows that surface roughness ' amplitude, wavelength, and texture on the bearing contact surface have a prominent effect on high - speed cylindrical roller bearing elasto - hydrodynamic performances ; reasonable choice of surface roughness ' amplitude, wavelength, and texture may improve effectively high - speed cylindrical roller bearing elasto - hydrodynamic performances

    理論分析表明：軸承接觸表面粗糙紋理方向、粗糙度幅值及其粗糙度波長對高速圓柱滾子軸承的彈流特性具有顯著的影響；合理選擇軸承接觸表面粗糙度幅值、波長及紋理方向，可以有效改善高速圓柱滾子軸承的彈流特性。
  7. 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。
  8. Thermal contact resistance is calculated by fem. the triangular model is considered more precise when its control angle equals 30 and an approximate formula is provided for calculation of the thermal contact resistance by comparing computation models

    本文採用有限單元法數值計算接觸熱阻，提出控制角為30的三角形模型具有較高的精度，給出接觸熱阻的近似計算公式，並分析了表面粗糙度對接觸熱阻的影響。
  9. The experimental result shows that it can improve significantly the abrasive resistance and increase the service life of the moving parts of shiplock by optimizing the match of supportive materials for abrasion and the value of their hardness, improving the precision and roughness of abrasive parts in the process of production, and applying correct lubrication method to the abrasive parts

    實驗結果表明：對船閘摩擦副材料及硬度值進行合理的匹配，提高船閘運轉件摩擦副零件的加工精度及表面粗糙度，以及運用正確的潤滑方式對摩擦副進行潤滑，能顯著提高零件的耐磨性能，較大地延長了船閘運轉件的使用壽命。
  10. Part ii : a third possible mechanism for the effect of nonuniform current on short waves is suggested, which ascribes the modulation of short wave spectrum by current to that the current changes the drift, through which it changes the breaking criteria, as a result the energy dissipation is altered

    第二部分:本文提出非均勻流場影響短波譜的第三個可能機制:非均勻流場通過對表面漂流的調制，改變風浪破碎的閉值條件，進而改變破碎損耗，從而調制海面小尺度粗糙度。
  11. The results show that, when increasing the feed rate of the grinding wheel, decreasing the rotating speed of the wafer chuck table and using coarser grit grinding wheel, the material removal rate in the wafer rotating grinding increase, the feed rate of the grinding wheel has greater influence on the material removal rate ; when suitably increasing the rotating speed of the grinding wheel, decreasing the feed rate of the grinding wheel and using finer grit grinding wheel, the wafer surface roughness can be reduced ; there exists a critical rotating speed of the grinding wheel ( about 2300rpm ), beyond which the material removal rate evidently decreases and the spindle motor current and wafer surface roughness steeply increase ; when the grit size of the grinding wheel is finer than # 2000, the material removal rate decreases and the wafer surface roughness has no obvious improvement

    研究結果表明，增大砂輪軸向進給速度和減小工件轉速，採用粗粒度砂輪有利於提高磨削矽片的材料去除率，砂輪軸向進給速度對材料去除率的影響最為顯著；適當增大砂輪轉速，減小砂輪軸向進給速度，採用細粒度砂輪可以減小磨削表面粗糙度；在其它條件一定的情況下，砂輪速度超過一定值會導致材料去除率減小，主軸電機電流急劇增大，表面粗糙度變差；採用比# 2000粒度更細的砂輪磨削時，材料去除率減小，矽片表面粗糙度沒有明顯改善。
  12. Surface ronghness parameters and their values

    表面粗糙度參數及其數值
  13. Powder metallurgy products - surface roughness - parameters and their values

    粉末冶金製品表面粗糙度參數及其數值
  14. The roughness coefficient experiments indicate that the change in tropical cyclone intensity will be varied with different coefficient. also the experiment indicates the wind of tropical cyclone is reduced by the land and the effect of an tropical cyclone landfalling process could result in the height increasing of tropical cyclone boundary layer

    通過不同的陸地粗糙度參數數值試驗，結果表明，粗糙度越大，熱帶氣旋強度減弱越多，其造成的非對稱結構也越明顯；而且，由於登陸作用，陸地一側的地表風減小，登陸的摩擦作用將可能導致邊界層的高度增加。
  15. Studies experimentally the pressure drop of two common kinds of flexible duct in fully extended state and obtains their absolute roughness

    通過實驗研究了兩種常用柔性風管在全伸展狀態時的壓力損失，得出了它們的絕對粗糙度值。
  16. This article also measured the same kinds of bearing produced by harbin roll bearing factory, japan and other national factories with index of vibration speed, acceleration vibration value, rolling degree, corrugation degree, coarseness and rolling degree with a r shape, which as a result, obtained a lot of dependable experimental data and built foundation for further analysis

    本文根據軸承速度振動值、加速度振動值、軸承滾道圓度、波紋度、粗糙度、滾道r形狀的評價方法及測量方法對哈軸生產的、日本生產的及國內其他廠家生產的同類型軸承進行了測量，獲得了大量的可靠的試驗數據，為下一步的分析工作奠定了基礎。
  17. At the present time, the first choice driver of icf is the laser. the basic requirements to the kdp crystal optics of icf solid laser driver are : high accuracy face shape quality ( transmission wave front / 6 pv ), high laser damage threshold value ( 15j / cm2 ), good surface roughness ( 5nm )

    慣性約束聚變固體激光驅動器對kdp晶體光學零件的基本要求是:高精度的面形質量（透射波前/ 6pv ） 、高激光損傷閾值（ 15j / cm2 ） 、良好的表面粗糙度rms （ 5nm ） 。
  18. The nanoparticles coating was fabricated by cladding titanium alloys with nano - tio2 powders, and its surface roughness was 2. 1 - 2. 3 m which was smaller than that of ordinary titanium dioxide coatings

    用納米二氧化鈦粉包埋鈦合金試樣燒結制備的塗層表面粗糙度值ra在2 . 1 2 . 3 m之間，相對于普通二氧化鈦粉包埋燒結的塗層來說，粗糙度較低。
  19. Then, predicting the optimum performance and validating the optimum cutting conditions by using a confirmation experiment

    預測經最優切削參數加工得到的表面粗糙度值，最後通過確認實驗驗證了其正確性。
  20. The results indicated that the crystal particles in coatings were mostly rutile, and the size of the rutile was in a micrometer grade. the surface roughness of coatings was different

    發現制備的二氧化鈦功能塗層中晶粒尺寸為微米級，晶型主要為金紅石型二氧化鈦，表面粗糙度值大小不一。
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