塑料粘结炸药(PBX)的机械撞击感度远低于单纯炸药，这因为塑料包覆层改进了炸药晶体表面性质。
The impact sensitivity of plastic-bonded explosives (PBX) is significantly smaller than that of without plastic, because plastic may improve the surface property of explosive crystal.
研究了塑料粘结炸药PB X TAT B药柱在热循环过程中的尺寸变化规律，探索了减小永久性长大的方法。
The rules of dimension change of plastic bonded explosive PBX TATB charges during thermal cycling were studied in detail, and the methods of reducing the permanent expansion were studied.
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