Explosive powder ( nitroglycerin and guncotton and petrolatum ) dissolved in acetone and dried and extruded in brown cords. 溶于丙酮的炸药粉(硝化甘油、强棉药和矿脂)干燥后积压出的线状火药。
That's why you see things like petrolatum, lanolin, and mineral oil in most moistuirizers. 这就是为什么你看到在绝大多数保湿剂里都有像凡士林(PET)、羊脂、和矿物质油之类的东西。
This foolish, recurring misinformation about mineral oil and petrolatum is maddening. 这种针对矿物油的愚蠢,复发的误传使人发怒。
With petrolatum prevents the entrance and migration of water and provides corrosion protection. offshore gravel packing operation 在缆芯中和缆芯包带表面用石油膏填充和浇注处理,以防止水分侵入,并起防腐作用。海洋油井砾石充填作业