掃氣率 的英文怎麼說

中文拼音 [sǎo]
掃氣率 英文
scavenging ratio
  • : 掃構詞成分。
  • : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
  • : 率名詞(比值) rate; ratio; proportion
  1. Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )

    本研究以武裝直升飛機防護裝甲材料為研究對象,採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料,結合其力學性能、描電鏡和界面微區能譜分析結果,分析了sic _ p al復合材料的真空燒結過程中的界面現象,以及材料增強和斷裂機理,並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態(應變為3 . 3 10 ~ ( - 3 ) s ~ ( - 1 ) 5 . 2 10 ~ 3s ~ ( - 1 ) )的壓縮破壞響應進行了研究,分析了不同體積分數sic _ p al復合材料高應變壓縮載荷下,材料的變形和微觀損傷機理,以及利用高速沖擊空炮測定了改復合材料制備剃度復合板的穿透性能。
  2. The company main product includes : the vacuum electron gun, opticsmembrane level thickness measuring instrument, the electron gunscanning control meter, the high efficiency crystal thyratron pressureregulator, the precise optics with the power source, the electricitycontrol the cabinet, the data acquisition module and so on

    公司主要產品有:真空電子槍、光學膜層厚度測量儀、電子槍描控制儀、大功晶閘管調壓器、精密光學用電源、電控制櫃、數據採集模塊等。
  3. Allergy - suffering guests checking in at the tokyu inn in the business district of shinbashi, will step into a phone booth - style box to have the pollen blown off their clothes by a high - powered air shower before going to their rooms, the mainichi shimbun said on sunday

    區新橋地帶的東急飯店日前決定,將在客人辦完入住手續后首先會被帶入一個類似於街頭電話亭形狀的小房間。在那裡,一臺大功淋浴器會將附著在客人衣物上的花粉一而光。
  4. We tested the ambient temperature compressive strength, the ambient temperature bending strength, volume density and the porosity of the sintered composites. by means of the om, sem, and x - ray, we analyzed the composites micro - structure ; we studied the dispersion methods & the mechanism of damage of the fiber ; we also did research on the reinforced mechanism and the fabrication characteristics of the fcmc

    測試燒后試樣的常溫耐壓強度、常溫抗折強度、體積密度、,並藉助于光學顯微鏡、描電鏡以及x射線衍射圖象對復合材料微觀結構進行了分析,探討了復合材料中纖維的分散方法、纖維的損傷機理、纖維增強al _ 2o _ 3復合材料的增強機理和及制備特性。
  5. The relationship between sputtering conditions and the depositional speed shows : with working pressure 1. 2 pa, sputtering power 180w, the depositional speed of tio2 thin film is 40nm / h, and increases with the increasing of sputtering power. it can be also founded that the depositional speed is nearly proportional to the working pressure : within the range of 0. 3pa to 1. 6pa, the depositional speed increases linearly with the increase of ar pressure. with the enhancement of the substrate ' s temperature of sputtering or annealing, the resulted thin films show a tendency of decreasing in thickness, and increasing in refractivity

    本實驗是採用磁控濺射方法,在不同的溫度下制備了tio _ 2薄膜,並對薄膜進行了不同溫度和時間的退火處理,通過原子力顯微鏡( afm ) 、 x射線衍射( xrd ) 、描電鏡( sem )等檢測手段對薄膜的表面形貌和組成結構進行了分析,結果如下: ( 1 )濺射工藝條件與薄膜沉積速度的關系表明:採用1 . 2pa工作壓, 180w的射頻功tio _ 2薄膜的沉積速為40nm h ,並隨射頻功的增加而提高,呈近似的線性關系,在0 . 3pa 1 . 6pa壓范圍中,氬壓強升高沉積速迅速增加,濺射溫度提高和退火處理能使薄膜的厚度減小和折射提高。
  6. In this thesis we have expatiated on the methods of the c60 thin films preparation, and the process with vacuum evaporation. the effect, which was caused by different gas pressures and other element doped, on surface morphology, structure and optical properties of c60 films have been studied by using scanning electron microscopy ( sem ), ultraviolet visible optical absorption spectroscopy ( uv / vis ) ( type : uv - 240 ), ellipsometer and x - ray diffraction

    本論文闡述了用真空蒸鍍法制備c60薄膜的方法和過程,研究了在不同氛下生長和摻雜對c60薄膜的表面形貌、結構和光吸收特性的影響;用xl30fge型描電鏡對c60薄膜表面形貌進行觀察;用uv - 240型紫外可見光雙光束分光光度計進行紫外、可見光吸收測量;用橢偏儀對薄膜進行厚度和折射測量;用x射線衍射對薄膜結構進行分析。
  7. The field emission property of carbon nanotubes could be increased by substitution of nitrogen for some of carbon, however, however, that of bcn nanotubes was poor. 1. study of disordered multi - wall carbon nanotube carbon nanotubes with different diameter distributions have been produced by thermal decomposition of a ferrocene - xylene mixture under different temperatures and different catalysts in an ar ( or n2 ) / h2 atmosphere

    結合透射電鏡、描電鏡及拉曼光譜,系統地研究了以鈷二茂鐵為催化劑時不同溫度下、以及在860時,分別以鈷二茂鐵、鎳二茂鐵、鈷、鎳鈷不同催化劑、不同保護體對高溫熱解法制備的多壁碳納米管結構、產等的影響,對產物的形態、結構進行分析。
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