发射药，通常指装在枪炮弹膛内用以发射弹丸的火药。由火焰或火花等引燃后，在正常条件下不爆炸，仅能爆燃而迅速发生高热气体，其压力足使弹头以一定速度发射出去，但又不致破坏膛壁。
硝化纤维发射药 [航] nitrocellulose propellant
发射药包 propelling charges
整装式液体发射药火炮 BLPG
发射装药 impulse charge ; propellant charging
The mechanical performance of RGD7 high-energy nitroamine propellant had been greatly improved by adding bonding agent in the formulation of the propellant.
用配方体系中加入键合剂方法改善了高能硝胺发射药的力学性能。
参考来源 - 改善高能硝胺发射药力学性能研究·2,447,543篇论文数据，部分数据来源于NoteExpress
再生式液体发射药火炮在内弹道循环中，膛内除弹丸运动外，还存在活塞压缩液体燃料的运动。
In the interior ballistic cycle of regenerative liquid propellant gun, in addition to motion of projectile, there exists motion of piston compressing the liquid propellant.
由于再生式液体发射药火炮的结构复杂，故数值模拟对研究内弹道参数对系统的影响具有重要作用。
Due to the complex structure of RLPG, numerical simulation is of great importance for studying the influence of interior ballistic parameters on the system performance.
因此，在对不同海拔地区发射药安定性试验数据进行处理时，需考虑气压因素影响，进行气压校正。
So, the atmospheric pressure factor should be considered when handling the data of the stability test from different elevation regions and correction of the atmospheric pressure is necessary.
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