School of Civil and Resource Engineering;
University of Science and Technology Beijing;
Beijing 100083;
China;
Key Laboratory of High-Efficient Mining and Safety of Metal Mines of the Ministry of Education;
University of Science and Technology Beijing;
Beijing 100083;
China;
Mine Emergency Technology Research Center;
University of Science and Technology Beijing;
Beijing 100083;
China;
College of Safety Engineering;
North China Institute of Science and Technology;
Yanjiao 101601;
China;
iron; mine; dust; respirable; dust; hydrophobic; blasting; dust; microstructure; physicochemical; properties; particle; size;