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Abstract：The acetone．sensing properties of the undoped and Pd doped perovskite-type oxides NdFeO，were investigated from room tem- perature to 400。C．The perovskite-type NdFe01 was synthesized by a s01．gel method．a(chǎn)nd the dopants Pd with the content from lwt％to 5wt％were implanted into NdFe01 nanoparticles by thermal diffusion．X．ray diffraction(XgD)and scanning electron microscopy(SEM) techniques show that NdFe01 is an orthorhombic structure with the average particle size ofabout 40 nnl．A giant acetone—sensing response of 675．7 is observed when the Pd content in NdFe01 powders is about 3wt％．The response and recovery time ofthe sensor to the 5x101 ace． tone gas are 16 and 1 s，respectively．At the same time，it performs a good selectivity to acetone gas and may be a new promising material candidate for the acetone—Sensor development． |
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2樓2013-02-26 11:20:14
3樓2013-02-26 19:08:46
【答案】應助回帖
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phu_grassman: 金幣+5, thanks for your time. 2013-02-27 13:45:55
sltmac: 金幣+25, 翻譯EPI+1, 歡迎常來 2013-03-25 08:47:00
phu_grassman: 金幣+5, thanks for your time. 2013-02-27 13:45:55
sltmac: 金幣+25, 翻譯EPI+1, 歡迎常來 2013-03-25 08:47:00
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Abstract: The acetone-sensing properties of the undoped and Pd doped perovskite-type oxides NdFeO3 were investigated from room temperature to 400°C. 翻譯： 摘要： 我們研究了未參雜和鈀參雜的鈣鈦礦型氧化物 NdFeO3 從室溫升溫到400℃下的的丙酮氣敏特性。 The perovskite-type NdFeO3 was synthesized by a sol-gel method, and the dopants Pd with the content from 1wt% to 5wt% were implanted into NdFeO3 nanoparticles by 翻譯：使用溶膠 - 凝膠法合成了鈣鈦礦型NdFeO3，并通過熱擴散向NdFeO3納米微粒中植入了添加量在1wt% 到5wt%的摻雜劑鈀到。 X-ray diffraction (XRD) and scanning electron microscopy (SEM) techniques show that NdFeO3 is an orthorhombic structure with the average particle size of about 40 nm. 翻譯：通過X-射線衍射（XRD） 和掃描電子顯微鏡（SEM ）技術(shù)的檢測結(jié)果表明NdFeO3是斜方晶結(jié)構(gòu)的，平均粒徑約40nm 。 A giant acetone-sensing response of 675.7 is observed when the Pd content in NdFeO3 powders is about 3wt%. 翻譯：當NdFeO3 粉末里的鈀添加量在3wt%的時候，觀測到了一個巨大的丙酮氣敏響應值在675.7。 The response and recovery time of the sensor to the 5×10–4 acetone gas are 16 and 1 s, respectively. 翻譯：傳感器對濃度為5×10–4的丙酮氣體的響應和恢復時間分別是16s和1s。 At the same time, it performs a good selectivity to acetone gas and may be a new promising material candidate for the acetone-sensor development. 翻譯：同時，它表現(xiàn)出對丙酮氣體的良好的選擇性，并且有望作為一個新的材料用于丙酮氣體檢測元件的開發(fā)。 歡迎提出修改建議:  參考文獻：https://wenku.baidu.com/view/9b4983d684254b35eefd344a.html |
4樓2013-02-26 22:37:30
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