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用光声检测的实验方法研究石墨掺杂对B／KNO3点火药的激光点火性能的影响。根据对光声谱的分析，指出了石墨掺入B／KNO3会略降低B／KNO3的激光吸收能力并且掺入量增加时，药剂的光吸收能力会有所改善。石墨掺杂会增长B／KNO3的激光点火延迟期，这一规律与石墨掺杂对B／KNO3的吸光性能的影响规律一致。
Influence of Graphite Doping on Laser Ignition Properties of B / KNO3 Ignition Powder by Photoacoustic Detection. According to the analysis of photoacoustic spectrum, it was pointed out that the incorporation of graphite into B / KNO3 slightly reduced the laser absorption ability of B / KNO3, and the absorption capacity of the agent improved when the content of B / KNO3 was increased. Graphite doping can increase the laser ignition delay of B / KNO3, which is consistent with the influence of graphite doping on the light absorption of B / KNO3.