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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．and 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楼2013-02-26 11:20:14
3楼2013-02-26 19:08:46
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phu_grassman: 金币+5, thanks for your time. 2013-02-27 13:45:55
sltmac: 金币+25, 翻译EPI+1, 欢迎常来 2013-03-25 08:47:00
phu_grassman: 金币+5, thanks for your time. 2013-02-27 13:45:55
sltmac: 金币+25, 翻译EPI+1, 欢迎常来 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. 翻译： 摘要： 我们研究了未参杂和钯参杂的钙钛矿型氧化物 NdFeO3 从室温升温到400℃下的的丙酮气敏特性。 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 翻译：使用溶胶 - 凝胶法合成了钙钛矿型NdFeO3，并通过热扩散向NdFeO3纳米微粒中植入了添加量在1wt% 到5wt%的掺杂剂钯到。 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. 翻译：通过X-射线衍射（XRD） 和扫描电子显微镜（SEM ）技术的检测结果表明NdFeO3是斜方晶结构的，平均粒径约40nm 。 A giant acetone-sensing response of 675.7 is observed when the Pd content in NdFeO3 powders is about 3wt%. 翻译：当NdFeO3 粉末里的钯添加量在3wt%的时候，观测到了一个巨大的丙酮气敏响应值在675.7。 The response and recovery time of the sensor to the 5×10–4 acetone gas are 16 and 1 s, respectively. 翻译：传感器对浓度为5×10–4的丙酮气体的响应和恢复时间分别是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. 翻译：同时，它表现出对丙酮气体的良好的选择性，并且有望作为一个新的材料用于丙酮气体检测元件的开发。 欢迎提出修改建议:  参考文献：https://wenku.baidu.com/view/9b4983d684254b35eefd344a.html |
4楼2013-02-26 22:37:30