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Arising from the proposed Transmission Line(TL) model for ERR and wire structure, a TL model for a metamaterial absorber is proposed. The S-parameters obtained by this TL model demonstrate the same shapes as the simulation. An investigation of the TL model and average absorption power densities shows that the metamaterial absorber does not simply convert the electromagnetic wave into thermal energy, but concentrate the electromagnetic wave into a small space where it is finally absorbed. This suggests that ... 相似文献
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本文介绍了自行研制的浓缩器结构,并以气、液、固三种类型的样品进行了实际应用。实验表明,该装置是痕量挥发性有机物浓缩富集-气相色谱分析的有效手段。 相似文献
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