目的通过对240例毛细支气管炎患儿的潮气流速容量曲线的测定，以探讨毛细支气管炎患儿气道阻力的变化规律。
Objective To explore the variational rule on trachea resistance of infants with bronchiolitis by detecting tidal breathing flow volume curves of 240 cases of infants with bronchiolitis.
重点讨论了流动相流速对分离度、峰容量和溶质洗脱顺序的影响。
It is mainly for the effect on the resolution, peak capacity and solute elution order.
结果由实测拟合数据得到的辨识结果能最好地反映呼吸生理特性，压力、容量和流速曲线最接近实际值。
Results The parameters got by clinical fitting data could reach the physiological characteristics well. The pressure, volume and flow curve was the most similar compared with clinical data.
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