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chtycool
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[求助]
论文摘要修改润色
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求英语翻译修改：编辑部回复：3、英文摘要有明显错误，包括结果错误和英文表达错误，请仔细修改润色。 小弟不才啊，改了多次还是一样效果，求大牛帮帮忙。 求修改，求润色。 Abstract: CuO nanowires were grown on the Cu substrate by low-temperature chemical vapor thermal oxidation. The samples were prepared at the temperature of 400℃ for 3h under different environments humidity, i.e. 500 sccm dry air, and 500, 1500, 3000 and 4000sccm wet air flows. The surface morphology and crystal structure of the products were characterized by Scanning Electron Microscope(SEM), Field Emission Transmission Electron Microscopy(FETEM) and X-ray Diffraction(XRD), respectively. It was found that thermal oxidation in the water vapour environment could increase the density of CuO nanowires. High-density, uniform nanowires were formed in wet air, while only a small amount nanowires were formed in dry air. The CuO nanowires formed in 3000 sccm wet vapour have the vertical orientation and appropriate density, with sizes of 40-100 nm in dimeter and 0.5-8 μm in length. The field emission properties were evaluated by comparison. Our experiment showed that lower turn-on field and higher field enhancement factor could be obtained for CuO nanowires that grown under wet environment in the same flows of 500 sccm dry air. The field emission properties of the CuO nanowires grown under 3000 sccm wet vapour were optimal, having a low turn-on field of 1.4 V·μm-1 and a high field enhancement factor of 5948. |
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bhcsu
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chtycool: 金币+20, 翻译EPI+1, ★★★很有帮助 2013-05-24 08:36:48
chtycool: 金币+20, 翻译EPI+1, ★★★很有帮助 2013-05-24 08:36:48
| Abstract: CuO nanowires were grown on the Cu substrate by low-temperature chemical vapor thermal oxidation. The samples were prepared at the temperature of 400℃ for 3h under different humidity, i.e. 500 sccm dry air, and 500, 1500, 3000 and 4000sccm wet air flows. The surface morphology and crystal structure of the products were characterized by Scanning Electron Microscopy(SEM), Field Emission Transmission Electron Microscopy(FETEM) and X-ray Diffraction(XRD). It was found that thermal oxidation in the water vapour environment could increase the density of CuO nanowires. High-density and uniform nanowires were formed in wet air, while only a small amount nanowires were formed in dry air. The CuO nanowires formed in 3000 sccm wet vapour have a vertical orientation and an appropriate density, with the diameter in a range of 40-100 nm and length 0.5-8 μm. The field emission properties were evaluated by comparison. Experimental results show that lower turn-on field and higher field enhancement factor could be obtained for CuO nanowires that grew under wet environment in the same flows of 500 sccm dry air. The field emission properties of the CuO nanowires grown under 3000 sccm wet vapour were optimal, having a low turn-on field of 1.4 V·μm-1 and a high field enhancement factor of 5948. |
3楼2013-05-23 17:05:44
chtycool 
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2楼2013-05-23 12:01:13
bhcsu
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4楼2013-05-23 17:12:38
