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黄磷在空气中迅速燃烧,生成大量的白色烟雾。发烟室测定其总遮蔽能力为4600平方英尺/磅。达是两次世界大战中使用的二十余种发烟剂中总遮蔽能力最高的一种发烟剂。由于黄磷成烟极其迅速,生成的磷酸烟雾对人有一定的窒息作用,又能采用结构简单的爆炸发散方式,所以两次世界大战以来广泛用它来装填各种口径的发烟炮弹、发烟手(枪)榴弹和发烟航弹。作战中一般将这些弹药投放到敌方阵地上产生迷盲烟幕,借此压制敌方火力掩护己方部队突施突然进攻。有人估计过,被迷盲的火力点向烟幕外面射击时,射击效率仅为未被迷盲的火力点的10%。战斗中使用迷盲烟幕,可减少进攻部队的伤亡约90%。
Yellow phosphorus rapidly burns in the air, generating a large amount of white smoke. Smoke room measured its total screening capacity of 4600 square feet / lb. Da is the smoker that has the highest total shielding capacity among the more than 20 smokes used in two world wars. Due to the extremely rapid conversion of yellow phosphorus into smoke, the generated phosphoric acid fume smokes a certain degree of asphyxia on human beings, and the simple structure of the explosive dispersion can be used. Therefore, it has been widely used to fill various caliber smoke shells since the two World Wars Smoke gun (grenade) and smoke bomb. During the operations, these ammunition were generally deployed on enemy positions to generate blind smoke screens, thereby suppressing the enemy’s firepower to cover up one’s own side and suddenly attacking the troops. It has been estimated that when it is blown out of the smoke screen, the shooting efficiency is only 10% of the non-blinding firepower point. The use of blind smoke in combat reduces the casualties of offensive units by about 90%.