roughness size 中文意思是什麼

roughness size 解釋
糙率尺度
  • roughness : n. 1. 粗糙;凹凸不平,崎嶇;蓬亂。2. 粗暴;狂風暴雨。3. 未加工。4. 難聽,刺耳;味澀;不調和。5. 概略。6. 【工業】粗糙程度。
  • size : n 1 大小,尺寸規模身材。2 (鞋帽等的)尺碼,號;(紙張的)開。3 巨大,大量;相當大的分量。4 〈口...
  1. Surface roughness of coatings affects the bioacitivity of materials, in order to change the roughness of coatings, the granularity of coating powders was changed firstly. nanometeral anatase titanium dioxide powders were prepared by hydrolysis of titanium - tetrabutoxide with ethanol in this paper. the main particle size is between 5nm and 10nm, while the size of ordinary titanium dioxide powders is about 100nm

    為了改變塗層表面的粗糙度,實驗中從改變塗層粉末的粒度入手,以鈦酸丁酯為原料,通過醇鹽水解法制備了納米級銳鈦礦型tio _ 2超細粉,粒徑約為5 10nm ,而普通二氧化鈦粉體的粒徑多在100nm左右。
  2. Through the experiment of the interfacial bonding shear strength and the shrinkage strain of concrete, the influence of the interfacial roughness of used concrete surface and interfacial bonding agent to interfacial bonding strength is revealed ; new concrete component and the shape and size of concrete slab are main factor affecting the shearing stress in layers

    試驗結果表明:老混凝土粘結面的粗糙度和界面粘結劑類型對新老混凝土界面粘結強度影響很大;新鋪混凝土材料和混凝土路面板形狀尺寸是影響新老混凝土粘結面收縮剪應力的主要因素。
  3. The results are as follows : ( 1 ) bst thin film prepared by pulsed laser deposition is well crystallized. the average grain size is 100nm and the surface roughness is about 10nm. when the electric field intensity is 3v /, the tunability of the thin film is about 30 % and the loss tangent is about 20 % under room temperature

    研究結果如下: ( 1 )採用脈沖激光沉積法制備的bst薄膜結晶良好,晶粒尺寸在100左右;表面粗糙度約為10 ;室溫下,當直流電場為3v /時介電系數變化率約為30 % ,介質損耗約為20 % 。
  4. Simple physically based criteria were also ealuated, which employ the morphological properties of excipients ( size and surface roughness ) together with physical properties of the used binder for prediction of the coating ersus agglomeration regime at gien flow conditions ( collision elocity )

    對簡單理論基礎標準也進行評價,其中利用輔料的形態學特性(粒徑和表面粗糙度)結合所使用黏合劑的物理特性,來預測在給定的流化狀態下(碰撞速度)包衣所遇到的附聚作用。
  5. 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。
  6. By using a wafer - rotating grinding machine, the influence of the main process factors including grit size of diamond grinding wheel, rotating speed of the wafer chuck table, rotating speed and the down feed rate of the cup grinding wheel on the material removal rate, spindle motor current and wafer surface roughness in grinding large size wafer are experimentally investigated

    摘要利用基於自旋轉磨削原理的矽片超精密磨床,通過試驗研究了砂輪粒度、砂輪轉速、工件轉速及砂輪進給速度等主要因素對材料去除率、砂輪主軸電機電流以及磨削后矽片表面粗糙度的影響關系。
  7. The difference among the elasticity modulus of various microstructures is probably the main reason, which caused the experiment results above. under the same experiment conditions, such as sample shape, size, surface roughness, establishment of testing system, pressure on the probe, and thickness of coupling medium, the variety of relative attenuation coefficient ( or ) in different heat treatment samples is measured and compared by measuring the attenuation obtained from the cylindrical surface of column. the result is as following : for 40cr and 38crmoal, a mt < az mq < a s < a p + f ; for gcrlssimn, a mt < a annea < s < a p + f ; and a increased with the increasing of frequency

    在保證試樣形狀、尺寸、表面光潔度、系統參數設置、施加在探頭上的壓力以及耦合層厚度等測試條件一致的情況下,利用棒材圓柱面測衰減系數法,分別測定並比較上述不同熱處理試樣相對衰減系數的變化情況,得到的實驗結果是:對於40cr及38crmoal鋼, _ (低溫回火) (淬火) _ (高溫回火) _ (正火) ;對于gcr15simn鋼, _ (低溫回火) _ (退火) _ (高溫回火) _ (正火) ;且隨著頻率的提高,衰減系數均呈現增加的趨勢。
  8. It is validated that the numerical methods can absolutely predict the flow in the microchannels. the flow field around the roughness and the pressure drop of midline along flow direction are analyzed. it ' s found that the range of the pressure drop change relate to the magnitude of relative roughness, the distance between two parallel planes, the re number and ratio of the size of roughness and the distance between two roughness

    通過對粗糙元周圍流場和充分發展段中心線壓力曲線的分析,發現有粗糙元存在的兩平行平板間微通道,其充分發展段壓降大於光滑平板充分發展段壓降;當相對粗糙度和re不變時,隨著板間距的減小,粗糙度對主流的影響不斷增大;當板間距和相對粗糙度不變時,在層流狀態下,粗糙度對流動的影響不隨re的變化而變化;當板間距和re保持不變時,相對粗糙度越大,其對流動的影響就越大。
  9. The artillery body on - line testing technology can test all kinds of artilleries size, twist, linear degree and the surface roughness

    本文主要是針對火炮纏度在線檢測技術進行詳細分析。
  10. Limit deviations of size and requirements of surface roughness for rubber parts

    橡膠零件的尺寸極限偏差和表面粗糙度要求
  11. The main contents of this paper are as follows : 1. the fracture test results of 87 adhesive specimens of new and old concrete are presented. the failure patterns and main influencing factors of the specimens are discussed and analyzed, such as interfacial roughness, types of adhesive agent, size of the aggregate, adhesive ages of new and old concrete

    進行了四組24水平共計87個新老混凝土粘結試件的斷裂試驗,討論了新老混凝土粘結的斷裂機理及影響斷裂性能的主要因素,如老混凝土界面的粗糙度、界面劑類型、混凝土粗骨料最大粒徑、粘結齡期等。
  12. By using atomic force microscopy ( afm ) investigation on the membrane surface, different separation properties can be explained very well according to the data of pore size. increasing temperature or nmmo concentration of coagulation bath or decreasing concentration of casting solution leads to larger skin pore size, wider pore size distribution and higher values of the roughness parameters

    用原子力顯微鏡( afm )對膜表面形態的分析表明:膜表面孔徑隨著鑄膜液濃度的降低、凝固浴溫度和濃度的升高而逐漸變大,且孔徑分佈變寬。
  13. 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。
  14. Through manufacturing special pattern, using the variance analysis and range analysis of the orthogonal experiment, the effects of process parameters on prototyping size, form and position accuracy, surface roughness are discussed, the combination of process parameters are optimized, and the prototyping quality is greatly improved

    通過製作專門的樣件,採用正交實驗的方差、極差分析方法,討論了各工藝參數對成型件尺寸、形位精度和表面粗糙度的影響,並且優化了工藝參數的組合,大幅度改善了成型件質量。
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