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目的研究Ｍｇ粉对烟火药辐射效应的影响．方法在试样中按比例逐渐增加Ｍｇ粉的含量，测定各个试样可见光和红外辐射的输出强度．结果可见光和红外辐射的输出强度增加，但增加幅度在Ｍｇ粉含量的高百分比和低百分比区域是有差异的．结论Ｍｇ粉含量高有利于可见光辐射，Ｍｇ粉含量低有利于红外辐射．
Objective To study the effect of Mg powder on the radiation effects of pyrotechnic drugs. Methods The proportion of Mg powder in the sample was gradually increased, and the output intensity of visible light and infrared radiation of each sample was measured. As a result, the output intensity of visible light and infrared radiation increased, but the magnitude of increase was different in the high percentage and the low percentage of Mg powder content. Conclusion High Mg powder content is beneficial to visible radiation and low Mg powder content is good for infrared radiation.