本底空氣 的英文怎麼說

中文拼音 [běndekōng]
本底空氣 英文
background air
  • : i 名詞1 (草木的莖或根)stem or root of plants 2 (事物的根源)foundation; origin; basis 3 (本錢...
  • : 底助詞(用在定語后, 表示定語和中心詞之間是領屬關系, 現在多寫作「的」)
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 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...
  • 空氣 : 1 (大氣) air; atmosphere 2 (氣氛) atmosphere 3 (氣閘) air brake4 pneum ; pneumo ; pneumat ;...
  1. When dujuan was still over the western pacific at the end of august 2003 fig. 1, most parts of southeastern china had clear skies because of the fine weather outside the storm. as a result of abundant sunshine, thunderstorms developed over the region during the day fig. 2. under the influence of northeasterly winds aloft associated with the circulation of the storm, the thunderstorms moved southwestward and affected hong kong that evening figs

    當杜鵑在2003年8月仍在西太平洋時圖1 ,中國東南部大部份地區都在風暴外圍的晴朗天下,充沛的陽光使到該區在日間發展出雷暴圖2 ,雷暴隨上與風暴環流相關連的東北風向西南移動,並在晚間影響港圖3及4 。
  2. When dujuan was still over the western pacific at the end of august 2003 ( fig. 1 ), most parts of southeastern china had clear skies because of the fine weather outside the storm. as a result of abundant sunshine, thunderstorms developed over the region during the day ( fig. 2 ). under the influence of northeasterly winds aloft associated with the circulation of the storm, the thunderstorms moved southwestward and affected hong kong that evening ( figs

    當杜鵑在2003年8月仍在西太平洋時(圖1 ) ,中國東南部大部份地區都在風暴外圍的晴朗天下,充沛的陽光使到該區在日間發展出雷暴(圖2 ) ,雷暴隨上與風暴環流相關連的東北風向西南移動,並在晚間影響港(圖3及4 ) 。
  3. In the dissertation, the effects of the air slide - film damping on the capacitive accelerometers having different slot structures which are completely or partly etched, and fabricated by the anodic bonding between silicon and glass and bulk silicon micromachining process are researched by changing the distance between the moving structure and substrate, the thickness of the structure, the width of the completely etched slot structure, the depth of the partly etched slot structure according to the two well known air slide - film damping models

    對于橫向運動的體微機械器件,其周圍表現為滑膜阻尼。文基於滑膜阻尼的兩個模型,通過改變振子與襯的間距、振子的厚度、刻透的柵槽的寬度、沒有刻透的柵槽的深度等參數,研究了這些參數對硅?玻璃鍵合工藝製作的體硅微機械電容式傳感器阻尼特性的影響。
  4. Three dimensional interaction flowfield over high - speed spinning projectile with lateral jets is numerically simulated in this dissertation firstly. complicated shocks wave patterns is analyzed. several factors concerned such as high - speed spinning, attack angle, base bleed and so on, are studied

    文首次完成了高速旋轉彈丸側噴三維干擾湍流流場的數值模擬,分析了彈丸側噴流場復雜的波系結構,研究了高速旋轉、攻角、噴等因素對彈丸側噴流場的影響規律,深入分析了旋轉側噴彈丸的動力學特性。
  5. Background air pollution monitoring network

    象組織本底空氣污染監測網
  6. Background air pollution monitoring network bapmon

    本底空氣污染監測網
  7. The design undertaken mainly from the following aspects : 1, mechanism ddesign : included the base and the joints : 2, trasmission mechanism design : adopted a synchronous toothelike transmission bell ; 3, balance system design : adopted springs and a brake and a lay air cylinder ; 4, design parameter and verify alculation ; 5, established motion equation by d - h method ; 6, simulated the motion locus by matlab software ; 7 ^ mapping out the part drawing or asesembly drawing

    設計主要是從以下幾個方面入手: 1 、機構設計:包括座和臂關節的設計; 2 、傳動機構設計:將驅動電機安裝在座上,利用同步齒型帶、離合器傳遞手臂的動力;利用齒輪傳動帶動座回轉; 3 、平衡系統設計:採用了彈簧平衡系統、電磁式制動器和單向延時缸; 4 、設計參數和校核計算; 5 、用d ? h法建立運動學方程; 6 、利用matlab軟體對手臂的運動間進行模擬; 7 、利用autocad2000繪圖:包括零件圖和裝配圖。
  8. With its lightweight magnesium chassis and air - cooled engine, the ambitious design went well in testing, prompting honda to go for an early debut in france

    由於不能勝任的鎂盤和冷卻的引擎,這項志向遠大的設計在測試中表現很不錯,為此田車隊在法國站提前推出了賽車。
  9. In the work, mid - frequency pulse magnetron sputtering is used to prepare znoral thin films used as the back reflector of the thin silicon films solar cells. the best techological condition was obtained by optimizing the preparing conditions, ( var is decided by the deposition rate, target voltage : 265v, gas pressure : 0. 6pa, the high base vacuum is expected

    文採用中頻脈沖磁控濺射法,通過優化zno : al薄膜的制備工藝,如靶電壓、度、工作壓、襯溫度、 o _ 2 ar ,得到可用於硅薄膜太陽能電池背電極的zno : al薄膜。
  10. This paper presents the effects of some features on the productivity of raw c60 materials, such as distance and approaching speed of electrodes, helium partial pressure and arc current etc. then we separate and purify the raw materials and obtain pure solid c60 of 99. 9 % and compare the purification efficiency and effect of different fluxion phase and fixed phase and discuss the effects of the experimental conditions, such as the depositing speed, the type of the substrate, the surface structure of the substrate and the temperature of the substrate. finally, we use xps, afm, ultraviolet, infrared and raman to analyze the component, structure and feature of the films qualitatively and quantitatively

    文首先研究了氦分壓、弧電流大小、電極間距以及電極推進速度等實驗條件對制備c _ ( 60 )粗品產率的影響;接著選用柱色譜法分離提純得到了純度大於99 . 9的c _ ( 60 )固體,比較了不同流動相和固定相的提純效率和效果;然後採用自己改進后的真鍍膜機,利用電阻式加熱蒸鍍方法,得到了純c _ ( 60 )薄膜和不同摻雜比的銀摻雜薄膜;探討了沉積速率、襯種類、襯表面結構以及襯溫度等實驗條件對薄膜結構的影響;最後通過xps , afm ,紫外,紅外,拉曼對薄膜的成分、結構和特性作了定性和半定量分析。
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