粗糙值 的英文怎麼說

中文拼音 [cūcāozhí]
粗糙值 英文
evaluation coarseness
  • 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
  • 粗糙 : （不精細; 不光滑; 不細致; 草率） coarse; rough; crude
  1. Furthermore, the dq value ranges of profile multifarctal spectra in different landform types and in different directions of the same sections perform different properties and anisotrpies. it can be concluded that the landscape fractal properties depends closely on the int ensity, manner and inhomogenity of exogenic and inogenic processess, and with the properties, we can study quantatively the dynamic geomorphic process. by using the same methods just above, local fractal dimensions d, crossover length tc and the multifractal spectra dq - q of two large - scale landform profiles ( across and along tianshan mountain ranges respectively ) are calculated. the results show that in the studied scaling range the two profiles perform different scaling properties, and both of them can be divided to three evident different linear scaling subsections

    不同類型地貌區二維地貌表面也表現出多度域分形特徵，而且隨著觀測尺度的增加，每個區間的分維值均表現為依次減小，表明外營力作用的影響逐漸被內營力作用所取代：不同類型地貌區在相應區間的分維值表現為高山區中低山區盆地區，體現了不同類型地貌表面粗糙性或復雜性的差異，因此分維值大小可作為地貌表面外營力侵蝕作用強度的重要指標：利用標度區的間斷點和各種地貌類型表面分維值或宏觀效應趨於一致，提出5 - 6km左右可作為地貌的宏觀臨界點，並且與利用地貌剖線研究所得到的5km這一數值是基本吻合的。
  2. 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 。
  3. 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。
  4. Note the overlying hyperkeratosis of the skin, which helps to produce the rough, red, scaling appearance seen grossly, and there is often ulceration

    值得注意的是皮膚過度角化，使其產生粗糙的紅色起鱗屑外形，且常有潰瘍。
  5. From the model study of the fractal random rough surface, we acquire one dimensional ? two dimensional fractal random rough surface model with fractal theory ; 2. the calculation of the scattering field of light ; the establishment of the scattering light ’ intensity model, and the number calculation of the intensity distribute ; 3. the study on the laser radar cross section of one - dimensional fractal rough surface target ; and the number calculation of the scattering intensity of two - dimensional fractal the rough surface target ; 4. through shadowing effect, we analysis light scattering characteristic of fractal rough surface

    本論文利用分形理論得到一維?二維分形隨機粗糙表面模型，研究光在一維?二維分形粗糙表面的光散射特性，主要從以下四個方面分析: 1 .自仿射分形隨機粗糙表面模型探討，採用分形理論得到一維?二維分形隨機粗糙表面模型; 2 .分形粗糙表面散射光場的計算和粗糙表面散射光強角分佈的模型建立和數值計算; 3 .一維分形粗糙表面目標的激光雷達後向散射截面lrcs研究和二維分形粗糙表面目標散射強度數值計算; 4 .引入遮蔽效應分析分形粗糙表面光散射特性。
  6. 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。
  7. Overall, the spontaneity with which php has been developed in the pastis a combination of sheer recklessness ( " i ' ll commit and deal with theconsequences later " ) and a process of discovery that improves what isworth improving, while letting the rest wither ( but, unfortunately, almost never die )

    總的來說， php的發展一直以來都循著這樣的模式：一方面是粗糙的自發性開發（ 」先解決眼前問題，後果以後再說「 ） ，另一方面是改進認為值得改進的部分，其他部分就讓它自生自滅（幸虧還沒全死掉） 。
  8. Once an old peddler drifted in, selling wretched, ill-made nameplate signs.

    有一次，一個年老的小販溜了進來，他賣的是不值錢的做得很粗糙的姓名牌子。
  9. Even if it ' s genuine it ' s not much valuable ! first no clear age feature, second rough work, and third rust corrosion

    就是真的收藏價值也不高的!年代特徵不明，此其一;工藝過于粗糙，此其二;銹蝕過于浮躁，此其三
  10. 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
  11. 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。
  12. 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。
  13. 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。
  14. 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。
  15. 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。
  16. 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。
  17. 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。
  18. For weight setting, first briefly introduces a known weight learning arithmetic based on rough set, and carrying through problem analysis and improvement, also introduces a weight vector gradually learning arithmetic, when user is n ' t satisfied with current weights, we can use it to revise weights gradually

    對于權重設置，先簡要介紹了已有的一種基於粗糙集的權重自動學習演算法，並對其進行了問題分析和改進，還介紹了一種權向量漸進學習演算法，當用戶對當前權值不滿意時，可採用此演算法進行逐步修正。
  19. The main advantage of rough sets data analysis is that it does n ' t require any prior or additional knowledge about the data, which is then used in this paper to analysis the database, acquiring automatically the hierarchical rule sets. in order to ensure maximum consistency of the quantiflcational data, the genetic algorithms is used to get the optimal number and points of division of quantification intervals. at the same time the quantification intervals is fuzzified and crisp rule sets are then transformed to fuzzy rule sets

    粗糙集數據分析的主要優點在於它不要求任何關于被處理數據的先驗或額外的知識，本文利用其對數據庫進行分析計算，自動獲取數據庫在各個層次上的規則集：在保證量化后的數據庫具有最大一致性的前提下，利用遺傳演算法求取連續屬性值的最優量化區間個數及各個區間分點值；同時將量化區間進行模糊化，將多層次清晰規則集轉化為模糊規則集，利用模糊推理進行決策以提高魯棒性。
  20. Characteristics of amplitude distribution of em returns from two - dimension fractal surfaces

    二維分形粗糙面電磁散射回波的幅值分佈特徵
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