In order to removing tunneling working surface outburst quickly and effectively, combine the Six Mineralcoal beds characteristics, hydraulic pressing are taken to remove outburst measure.
为了快速、有效地消除煤巷掘进工作面的突出危险性，结合六矿煤层赋存特点，采取水力挤出消突措施。
2
It is produced from the burning of fossil fuels (coal and oil) and the smelting of mineral ores that contain sulfur.
它源自矿物燃料(煤和石油)的燃烧以及对含有硫磺的矿物的冶炼。
3
In recent years, the magnetic carrier method has been widely applied in biology cell separation, wastewater treatment, coal desulfurization and mineral exploitation [4, 5].