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提出了一种用衰荡光谱法测量对流层OH自由基的新方法 ,并从理论上推导出OH自由基浓度与衰荡时间的关系 ,讨论了该方法的可行性和灵敏度 ,分析了各种干扰因素对测量的影响 ,认为该方法与传统测量OH自由基的方法相比优势较为明显。
A new method for measuring OH radical in the troposphere by ring-down spectroscopy is proposed. The relationship between the OH radical concentration and the ring-down time is deduced theoretically. The feasibility and sensitivity of the method are discussed. Various kinds of interference The impact of factors on the measurement, that the method and the traditional method of measuring OH radical compared to the more obvious advantages.