当时他们用这种激光来激发并电离那些被火焰的高温裂解出来的原子，目的是测量不同火焰的特征辐射。
They were using the laser to excite and ionize the atoms liberated by the heat of the flame in order to measure the characteristic emissions of different flames.
本文测量了不同直径的PM MA燃料棒在逆风和静止环境中的火焰传播速度、裂解长度和火焰形状。
In this paper the flame spreading rate (Vf), pyrolysis length (lp) and flame structure of PMMA fuel rod in an opposed air flow and quiescent environment were investigated.
从离子碎裂反应机理的角度，分析了火焰中样品分子裂解和电离的可能机理，并总结出可能影响电离效率的相关因素。
The possible mechanism of split and ionization of sample molecules in flame is analyzed from the view point of fragmentation reaction.
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