火药有横劲和顺劲的说法,在猎人中流传很广。根说有横劲的火药,虽然用量不太大,也易炸枪管,射击效果还不好;有顺劲的火药,即使用量稍大,既不易炸枪管,射击效果也好。火药果真有横劲和顺劲的区别吗?我们不妨先作一个小试验,向一个有许多孔的圆球内充进气体,气体可以从各个方向的小孔内,以同样的压力喷射出来,这表明气体可 Gunpowder has Hengjing and Shoujin argument, widely circulated among hunters. Roots said there is Wang Jin gunpowder, although the amount is not too large, but also easy to blow the gun, the shooting effect is not good; there is good momentum of gunpowder, even slightly larger, neither easy to blow the gun, shooting Ye Hao. Is there any difference between Hengjin and Shoujin? We might as well do a small experiment to fill a sphere with many holes with gas that can be ejected from the holes in all directions at the same pressure. That gas can be