Secondly, the distribution and developing tendency of small coal pits fire was made clear by Isotope Radon Detection technique, and small coal pits fire prevention and control technique system mainly with Colloid Technique in Extinguishing Coal fire was put forward.
其次,利用同位素测氡探测技术,确定了小窑火区的分布和发展方向,提出以胶体防灭火技术为主的小窑火灾防治技术方案。
参考来源 - 小窑煤层自燃引发的矿井火灾控制技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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