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wuyao118金蟲 (小有名氣)
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[求助]
請幫忙翻譯兩小段話，英譯中
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1 半導(dǎo)體多相光催化技術(shù)能直接利用太陽光和空氣中的氧氣來徹底降解環(huán)境中的有毒有害污染物，使之成為無毒的小分子化合物，因而已成為一項綠色污染治理新技術(shù)。然而困擾這項技術(shù)投入大規(guī)模應(yīng)用的突出問題是已開發(fā)的光催化劑對可見光的吸收能力不強、量子效率不高，以致太陽能的利用率低，且目前沒有找到有效的解決辦法。 2 對催化劑進行貴金屬修飾及金屬、非金屬離子的摻雜改性，優(yōu)化合成和改性條件，制備出可見光吸收能力強、量子效率高、能充分利用太陽能降解污染物的可見光光催化劑。以含酚或染料廢水及生活或自然環(huán)境中的污染物為降解對象，可見光為光源測試其光催化活性，優(yōu)化工藝參數(shù)，為該光催化劑的大規(guī)模實際應(yīng)用提供理論和實驗基礎(chǔ)。 |
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weichin
鐵桿木蟲 (職業(yè)作家)
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【答案】應(yīng)助回帖
wuyao118(金幣+50): ★★★★★最佳答案 2012-02-20 19:03:49
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供參考： Owing to its capability of completely degrading toxic and hazardous pollutants in the environment into non-toxic small molecular compounds by direct utilization of the sunlight and oxygen in the air, the semiconductor multiphase photocatalytic technology has become a new green technology for pollution control. However, the main bottleneck for large-scale application this technology lays in the low quantum efficiency and weak ability of the photocatalysts developed in absorbing visible light, causing the low-efficiency use of solar energy, for which no effective solutions have yet been discovered by far. Through noble metal modification and metal/nonmetal cation doping of the catalyst under optimized synthesis and modification conditions, high quantum efficiency photocatalysts with high ability to absorb visible light were prepared to make full use of solar energy in the degradation of pollutants. The photocatalytic activity was tested through degradation of phenolic wastewater/dye wastewater, domestic pollutants and pollutants in the natural environment with the visible light as the light source, which, with optimized technical parameters, provided theoretical and experimental basis for large-scale practical application of the photocatalysts. |
4樓2012-02-20 18:15:39
fjtony163
版主 (文壇精英)
米米
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- 管轄: 論文翻譯
【答案】應(yīng)助回帖
wuyao118(金幣+40, 翻譯EPI+1): ★★★很有幫助 謝謝 2012-02-20 19:01:25
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Semi-conductor multi-phase light catalyst technology can directly use the sunlight and oxygen in air to degrade completely the toxic pollutants in environment and make them nontoxic small-molecular compounds, so it is a new environmental-friendly technology to solve pollution. However, the obvious problem keeping this technology from mass application is the existed light catalyst does not have good absorption of visible light and low quantum efficiency, so the solar power utilization rate is low. Besides, there has been no way to solve it so far. 以上是第一段。 |
2樓2012-02-20 17:47:35
fjtony163
版主 (文壇精英)
米米
- 翻譯EPI: 386
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- 蟲號: 1397876
- 注冊: 2011-09-11
- 專業(yè): 遺傳學(xué)研究新技術(shù)與方法
- 管轄: 論文翻譯
【答案】應(yīng)助回帖
wuyao118(金幣+20): ★★★很有幫助 2012-02-20 19:01:43
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2.Noble metal modification on catalyst and modified mixture, optimized synthesis, and modified condition of metal and non-metal ions can produce visible light catalyst with good visible light absorption, high quantum efficiency , and high solar power utilization rate. Use waste water with phenol or pigment or environment pollutants as degradation object and visible lights as light source to test its light catalyst activity and optimize industrial parameters. They would provide theoretical and experimental basis for mass application of this technology. 以上為第二段。 參考一下。 |
3樓2012-02-20 17:54:47
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