The powder gas, generated continuously due to burning of propellant forms air-cushion among propellant grains, which can buffer and protect propellant grains from bumping, impacting and extruding.
发射药燃烧时不断产生的燃气在药粒之间形成气垫，对药粒的撞击、挤压起到缓冲保护作用。
In comparison with propellant with pure boron powder, the apparent decomposition heat of propellant with boron composition increases 12.6%.
相对于纯硼粉的推进剂，硼复合粒子的推进剂的表观分解热最高提高了12.6%。
Nevertheless, particle size distribute does not change with the combustion chamber pressure and propellant aluminum powder percentage.
粒子尺寸分布不随燃烧室压强和推进剂铝粉含量变化。
The experimental results indicate that coarse aluminium powder can be used in HTPB propellant.
结果表明粗铝粉在推进剂中使用是可行的。
The propellant rate of carbon powder of the neostigmine group was higher than that of the normal control group, the difference was statistically significant(P0.01);
新斯的明组碳末推进率明显高于正常对照组，差异有统计学意义（P〈0.01）；
This paper deals with the forming technique of the oblate spherical powder and the feasibility of applying it to the large caliber gun propellant charge with high loading density.
研究了大弧厚球扁药成型工艺及其在大口径火炮高装填密度装药中的应用可行性。
This paper deals with the forming technique of the oblate spherical powder and the feasibility of applying it to the large caliber gun propellant charge with high loading density.
研究了大弧厚球扁药成型工艺及其在大口径火炮高装填密度装药中的应用可行性。
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