calendar>>October 23. 2016 Juche 105 |
Scientific Achievements Made for Development of Coal Industry
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Pyongyang, October 23 (KCNA) -- The Phyongsong University of Coal Mining in the DPRK has made a lot of scientific achievements conducive to the country's development of coal industry. The university manufactured a mine resistivity CT survey meter and small-sized electric drill and introduced them to various coal production units. It also succeeded in making a motor speed regulator and an electricity-saving volt-ampere safety welder and established an air coal dressing process by differential air separator at the Kujang Area Coal Mining Complex. Besides, the university made a great progress in researches into the introduction of a flexible operational and sequential control system for belt conveyor, the impregnation of timber and other objects. |
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