粗糙的材料 的英文怎麼說
中文拼音 [cūcāodecáiliào]
粗糙的材料
英文
material of coarse fibre- 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
- 的 : 4次方是 The fourth power of 2 is direction
- 材 : 名詞1 (木料) timber 2 (泛指可以直接製成成品的東西; 材料) material 3 (供寫作或參考的資料) ma...
- 料 : 名詞1 (材料; 原料) material; stuff 2 (喂牲口用的穀物) feed; fodder 3 (料器) glassware 4 (...
- 粗糙 : (不精細; 不光滑; 不細致; 草率) coarse; rough; crude
- 材料 : 1. (原料) material 2. (資料) data; material 3. (適于做某種事的人才) makings; stuff
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The dissertation firstly discusses the reflectance of euv and soft x - ray in " multilayer system based on classical electrodynamics and optical characteristics of materials. the nns surface roughness in different spatial frequency range is carefully studied since scattering can seriously reduce the reflectance in euv and soft x - ray wavelength region. we discuss representative model of residual stress in
首先從材料在極紫外、軟x射線波段的光學特性出發,討論了極紫外、軟x射線在理想和非理想多層膜系中的反射特性;研究了影響極紫外、軟x射線多層膜反射率的表面粗糙度的空間頻率范圍;重點探討了多層膜殘余應力的典型模型、應力形成機制以及薄膜的形成過程。Scientific research and design institute of cscec in guizhou cooperate with prof. peng xiaoqin, and research the bond technology of the new and old concrete. which are researched to four points as follows : 1. several major methods evaluating the degree of roughness were analyzed, and their advantages and disadvantages were analyzed
貴州中建建築科研設計院與重慶大學材料學院彭小芹教授合作,主要對新舊混凝土粘結技術進行了研究,主要集中在以下幾個方面: 1 .分析目前常用的幾種評價粗糙度的方法,並對每種方法的優缺點進行評述;提出一種簡便易行的測量粗糙度的方法,克服目前常用方法的缺點,並通過多組數據和灌砂法進行相關性分析,得出兩者之間的關系。Great attention has been paid on the study of random surfaces in many scientific and technological fields such as the growth fronts of thin films, surfaces of fabricated optical devices, and the fractured cross - section of materials, etc.
粗糙隨機表面統計特性的研究是一個多年來倍受關注的問題,這一問題在如動力學的材料生長界面,由大的沖擊而產生的斷裂面,光學元件設計等諸多物理領域具有重要的意義。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。Surface roughness prediction of electrical discharge machining ceramics based on evolutionary neural network
陶瓷材料電加工表面粗糙度的預測Ceramic grain filters ard made of refined pottery clays added with certain modifiers, and processed of grinding, mixing, shaping and high temperature sintering. they do not contain any substances that harmful to people or environment. they are hard and rough in surface, porous inside the structure, and have the advantages of high mechanical strength, large specific surface area and porosity. when used in water treatment, they behave a activated surface property, a great amount of pollutant entrapment, less water head loss in the filter bed, lower consumption of back - flush water, stable in chemical and gbiologic property, and long service life, ceramic grain filters is a new and efficient filter material to increase the water yield, upgrade the water quality, and save chemicals and energy
陶粒濾料是以精製陶土為主要原料,摻加適量改性劑,經粉碎,混練,成型和高溫煅燒而製成的,不含任何對人體和環境有害的物質.其表面堅硬,粗糙,內部疏鬆,多孔,具有機械強度高,比表面積大,孔隙率大的特性.用於水處理中,具有表面性狀好,截污能力強,過濾水頭損失小,反沖洗耗水量低,化學穩定性和生物學穩定性好,使用壽命長的特點.陶粒濾料是一種能增加水產量,提高出水質量,節省藥劑和能耗的新型高效過濾材料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。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。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。Firstly, the influence of reaction time between laser and material on the roughness is studied by changing the speed of laser beam. secondaly, the optimized parameters are found by adjusting laser power and defocus
一方面,通過改變激光加工頭的運動速度,考察激光與晶元材料的相互作用時間對側壁表面粗糙度的影響;另一方面,調整激光的功率和離焦量,找出最優化參數。Influence of the anisotropy on surface roughness in diamond tuning of optical crystal materials
光學晶體材料的各向異性對金剛石車削表面粗糙的影響The surface of ce02 - ti02 films were very smooth and difficulty to crystallization. the ceo2 - tio2 complex films were nanocrystalline microstructure or microcrystalline even if to heat the substrates or to anneal the films. the ceo2 and tio2 nanocrystalline were not easy congregate and bigger because of heterogeneity interface disturb and have many defect
組成ceo _ 2 - tio _ 2混合薄膜顆粒粒徑在納米尺度范圍3 ? 50nm ,與純ceo _ 2 、 tio _ 2薄膜相比,具有更小的表面粗糙度和更難結晶,這是由於異質材料晶界的相互干擾,使同質顆粒之間難于聚集而結晶長大,薄膜處于納米晶或雛晶態,即使加熱基片或薄膜進行熱處理也無明顯變化。The stability, rheology, chain structure and consecutive medium model in magnetorheological fluids are analyzed. according to the contribution of shear stress and normal pressure in polishing zone, the quantificational machining model of mrp is presented. as an example of plane workpiece, the influences of machining parameters on removal rate and surface roughness in mrp are studied
5 、磁流變拋光( mrf )是超光滑光學表面的一種新型加工技術,本文從mrf的磁、力學性質出發,研究了磁流液的穩定性、流變效應、鏈化結構和連續介質模型;根據拋光區內剪應力、正壓力的分佈特徵,提出了mrf的定量加工模型;然後以平面工件的磁流變拋光為例,揭示了工藝參數對材料去除率和表面粗糙度的影響規律。The cmp experiment was carried out systematically on litao3 wafer. the polished surface foughness and material removal rate in different polishing conditions were measured and the effects of polishing pad material and its condition, pressure, rotating speed of the polishing plate, the type and size of abrasive, and the properties of the polishing slurry on the surface routhness and material removal rate were analysed in details
通過對鉭酸鋰晶片的化學機械拋光過程的實驗研究,通過測量鉭酸鋰晶片在不同拋光條件下的表面粗糙度和材料去除率,詳細分析了拋光墊材料和狀態、拋光壓力、拋光盤轉速、磨料種類及粒度、拋光液組成等幾個因素對拋光表面質量和材料去除率的影響規律。The influence of surface treatment ( surface polish ) on the flashover performance has been investigated with different kinds of alumina ceramics. it was found that the surface roughness could be used as a reference value for evaluating the influence of surface polish to a certain degree. the experimental results show that the samples with a rougher surface ( polished by sic ) have a worse flashover performance
試驗發現,在一定程度上,表面粗糙度可以作為一個評價表面研磨處理對材料沿面閃絡特性影響的指標,採用碳化硅磨料對氧化鋁陶瓷進行處理后,如果材料的表面粗糙度越高,則其沿面閃絡電壓越低。It was showed that dlc gradient film material had a good stability of hemocompatibility, for its surface almost had no changes. in comparison, the hemocompatibility of t16a14v became worse since its surface had been heavily scratched and dense oxide films on its surface had been destroyed. fratal theory and image processing method had been applied to calculate the fratal dimension of tribological surfaces furthermore to elavuate the surface morphology and roughness
摩擦表面具有多尺度相似性和隨機性的特點,採用分形幾何理論描述表面的粗糙程度及形貌特徵,三維表面的分形維數可以作為一種尺度無關的粗糙度評定參數,利用圖象處理方法,通過材料表面的掃描電鏡sem圖象灰度數據來計算三維表面的分形維數。Finally, the roughness of sidewalls is reduced greatly by rising the temperature, which results in more effective discharging of air bulbs in the melted surface
再一方面,通過升高材料溫度的方法,有助於激光加工過程中側壁熔化層內氣泡的有效析出,可以大幅降低側壁粗糙度。Aiming at reducing the roughness of the sidewalls in the manufacturing of the pmma liquid pool by co _ 2 lasers, in the hypothesis that the intensity of the laser has a guassian distribution, the temperature distribution in slab material with limited thickness is studied according to traditional thermal conductive formulas, and the condensing progress of the melted surface of sidewalls is researched. it is concluded from the discussion of temperature distribution that the air bulbs is the major reason for the roughness of the sidewalls
為降低co _ 2激光加工pmma材料儲液池側壁粗糙度,本文根據傳統的熱傳導方程,假定激光強度為高斯分佈,對有限厚板狀材料的溫度場進行分析;並考察側壁表面熔化層凝固過程的特徵;結果表明,側壁粗糙度形成的主要原因在於側壁表面熔化層凝固前氣泡未及時析出。Then, according to the established structure, the parameters of the optical switch were modeled and optimized. the thickness, roughness, verticalness of the mirror was analyzed and designed. finally, the rectangular magnetic material was selected for the electromagnet thirdly, the parameters were optimized by ansys software and the performance of the optical switch was analyzed
首先根據電磁鐵的非線性特性和梁的抗彎曲力的線性特性,設計出磁力驅動懸臂梁式光開關結構,然後根據提出的結構,從理論上對懸臂梁的參數進行模擬分析選出合適的懸臂梁參數,緊接著分析平面鏡的厚度、表面粗糙度、垂直度對光開關性能的影響;最後對磁路系統,明確選擇具有矩形磁滯回線的材料,設計出電磁鐵的結構。The possibility of using infrared camera in heat transfer experiments was discussed and the various influential factors was analysed, such as the radiation ratio of materials, roughness of surface and the transmissivity of special materials for infrared ray transmission
摘要探討了將紅外成像儀用於傳熱實驗的可能性,分析了幾種影響因素:如被測實驗件的材料、表面粗糙度,以及用於內流傳熱實驗時需使用的能透過紅外線的特殊材料的透射率等對實驗結果的影響。分享友人