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中文摘要：
采用液体电极装置,首次在空气介质阻挡放电中观察到了清晰分辨的氮分子离子第一负带（0,0）转动谱。根据转动光谱的强度分布,确定转动能级上粒子最大布居数位置,估算了氮分子离子的转动温度。改变外加电压和放电气体的气压,研究了转动温度的变化,发现当气压在10.133-60.795 kPa范围时,随电压的增加,谱线强度增加,但其转动光谱的强度分布不变,说明转动温度保持不变。上述结果对于空气介质阻挡放电理论模型的建立及工业应用均具有重要的参考价值。
英文摘要：
The rotational lines of the first negative band system of N2^＋ were observed in air dielectric barrier discharge by using liquid electrodes. The rotational temperature was estimated by the J number of the lines with the maximum intensity in rotational spectrum. The rotational temperature was kept at a constant with increasing the applied voltage when the gas pressure was in the range of 10. 133-60. 795 kPa. The results are of great importance to the model foundation and the application of dielectric barrier discharge in air.
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