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在普通硝酸铵中加入专用表面活性剂和水，进行溶化－真空结晶处理，制得一种含有微气泡的硝酸铵，将这种改性硝酸铵称为膨化硝酸铵。由于膨化硝酸铵中含有许多微气孔，其比表面积大，具有自身敏化的特性，其起爆感度有明显提高。用膨化硝酸铵替代原用普通硝酸铵，震源药柱内装药中的梯恩梯含量降低５０％。文中论述了建构震源药柱内装药配方设计数学模型的方法。给出了少梯膨化硝铵震源药柱的３种配方和爆炸特征数据。
In ordinary ammonium nitrate by adding a special surfactant and water, the melting - vacuum crystallization, obtained with a micro-bubble of ammonium nitrate, this modified ammonium nitrate is called expanded ammonium nitrate. As a result of the expanded ammonium nitrate contains many micro-pores, its large specific surface area, with its own sensitization of the characteristics of its detonation sensitivity has improved significantly. The use of expanded ammonium nitrate instead of the original ordinary ammonium nitrate, the source of medicine within the column to reduce the TNT content of 50%. This paper discusses the method of constructing the mathematical model of charge formulation design in the source column. Three kinds of formula and explosion characteristic data of the small ladder puffing ammonium nitrate source column were given.