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- A carbon nanotube cathode with high emission current has been fabricated with the screen printing method. 研究了利用絲網印刷法製備碳納米管陰極,以獲取很大的發射電流。
- The field emission triodes with nanodot emitters exhibited a low gate turn-on voltage of 45 V and high emission current density of 25 mA/cm2 at 120 V. 此場效發射三極體擁有45伏特之低閘極啟始電壓,且在120伏特的閘極電壓下,場效發射電流密度高達25毫安培/平方公分。
- More efforts should be concentrated on rectifying the economic development mode characterized by high energy consumption, high material consumption, high contamination and high emission. 應著力改變高能耗,高物耗,高污染,高排放的經濟發展模式。
- Because gallium arsenide has a high emission rate (it amplifies light efficiently because its bands line up), its total photon emissions easily outpace its absorptions. 由於砷化鎵發光效率很高(因為能帶呈正對排列,所以可以很有效率地放大光),因此其光子發射總數很容易就可以超過其吸收總數。
- As long as the EPA follows California's lead and sets higher emission standards for all vehicles, air quality should remain the same. 只要EPA模仿加利福尼亞並對所有的車輛制定更高的排放標準,空氣質量就可以維持原狀。
- Key problems on energy saving of high emissivity coating at middle temperature are discussed. 本文論述高發射率塗料在中溫下使用,節能的若干關鍵問題。
- The original price of the car was a bit too high. 這輛汽車的原價太高了一點。
- The developing trend of the high emissive coatings will be ultra fine and ultra thin,compositely compo nential and multi-functional. 高溫輻射塗料今後將向著超細超薄化、成分複合化、功能多樣化的方向發展。
- Comparing w ith its application in flame furnace,high emissive coating in radiation heatin g process by electricity does better on energy saving. 理論分析和實際應用都已證明,高輻射率塗料在電輻射加熱條件下的應用可取得比在火焰爐內更好的節能效果。
- The pellicle resistance heater which can work continuously and has high emissivity is primarily developed.Its temperature can be accurately controlled. 初步研製成了高發射率、可持續工作並能實現精確控溫的高精度薄膜電阻加熱板。
- Cordierite-transition metal oxide infrared radiation materials were prepared with A and B samples which were selected for their high emissivity. 聚合物/過渡金屬氧化物納米複合材料是近年來引人注目的一種新型功能性材料。
- The running costs of that big car must be very high. 那輛大汽車的保養費肯定很高。
- It's unlimited to drive cars at high speed in country. 在鄉村開快車沒有限制。
- Study of High Emission Current Property of CNT Cold Cathode 大電流場發射冷陰極發射性能的研究
- Two hot issues of infrared radiation materials are reviewed:one is energy saving material with high emissivity, the other is stealth material with low emissivity. 對當前紅外輻射材料的兩大研究熱點,一是民用領域的高發射率紅外節能材料,二是國防用途的低發射率紅外隱身材料的研究現狀作了綜述。
- Conversely, social effects could make cuts easier - for example, if the high emissions associated with flying stigmatise air travel among some groups, adds Hulme. 例如,如果乘坐高碳排的飛機旅行會讓一部分群體感到恥辱的話,那麼相反,社會影響可能會使得削減碳排更加容易。休姆補充道。
- She skirted round the problem of the high cost. 她避而不談巨額費用問題。
- Men and birds are fain of climbing high. 不論人還是鳥都願意往高處攀。
- The bird sang high and clearly in the tree. 鳥兒在樹上清脆地高歌。
- Goods of high quality are few and far between these days. 質地精美上乘的物品現在不多見。