Improving quality and effect of local ventilation in mine;

Technology of design and application on local ventilation in mine;

Optimum adjustment of mining local wind rate in second mining area of Jinchuan Corporation;

The paper intrtroduced some partial ventilation management methods at driving face in coal tunnel.

Overall ventilation in the workshop plus some partial ventilation for welding and painting jobs,as well as special ventilation in some particular cabin wherein work of weld or painting are performed,should be needed.

Application of partial inverted ventilation technology in treating fire at coal mining area;