- 1. Study of miners working conditions on dust factor in mine tunnels at manganese dressing plants
- (Environmental safety, labour protection)
- ... an hour long intensive ventilation of the tunnel had been held; air dust content was reduced to the background value of 0.4; and then the booster fan was switched off. On the roadway floor in the zone ...
- Created on 13 November 2014
- 2. Comparative study of respirator protective efficiency in laboratory and in production environment
- (Environmental safety, labour protection)
- ... dust content rises because of sharp reduction of the size of filter pore spaces caused by deposition of coarse particles of coal dust between the fibers, breathing resistance increase and additional dust ...
- Created on 21 March 2014
- 3. Study of spillage formation during operation of belt conveyor
- (Environmental safety, labour protection)
- ... of the dust content in air on presence of spilled ore in the under band space. Methodology. The technique of industrial research consisted in choosing and marking gauge platforms at regular distances ...
- Created on 17 October 2013
- 4. Reserch of air and dust balance in inclined shaft of the mine no.9-10 at Marganetskiy Dressing Plant
- (Environmental safety, labour protection)
- ... the laws of dust deposition intensity. Methodology. The methodology of the industrial researches of dust balance in an inclined shaft includes determination of air dust content in three points of the ...
- Created on 14 November 2012