供油提前角增大时，最大放热率降低，对应相位提前，后燃减少。
With the fuel supply advance Angle increasing, the maximum heat release rate decreases, its corresponding phase advances, and the after combustion is shorter.
提出用参数辨识确定推进剂中钾、钠杂质含量以及后燃对喷焰微波衰减影响程度的方法。
An identification technique was presented for estimating the impurity level in propellant and the properties of exhaust afterburning, which can not be measured simply by experiment.
其浓度随燃烧的进行逐渐下降，并且表现出在急燃期快速降低，缓燃期和后燃期变化较小的趋势。
The trend of the C-H got lower and lower, and it decreased rapidly at the starting of the combustion but slowly afterwards.
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