- 21. Prospects of pin boring instrument wear reduction
- (Mechanics and Mining Machinery)
- ... of button bits are analysed from point of increase of their wearproofness. Directions are certain and the tasks of further researches of wear of button bits for DTH hummers are put. ...
- Created on 21 December 2012
- 22. New generation of explosion-proof electrical equipment complex for mining industry power supply systems
- (Electrical complexes and systems)
- ... Varenik, Сand. Sci. (Tech.), Ukrainian Scientific Research Project-Designing and Technological Institute of Explosion proof and Mining Electrical Equipment with Experimental Production, Director, Donetsk, ...
- Created on 19 December 2012
- 23. Mathematical modell of mine electrotechnical complex with synchronous and induction motors
- (Electrical complexes and systems)
- ... // Взрывозащищенное электрооборудование: сб. науч. тр. УкрНИИВЭ. – Донецк: ООО „Юго-Восток, Лтд“, 2011. – С. 7–13. Varenik, E.A. Omelchenko, A.N. and Lazebnik, R.M. (2011), “The problem field of explosionproof ...
- Created on 19 December 2012
- 24. Identification of a 3D ground water flow model for an area charged by mining industry in the central part of the Kryvyi Rig iron ore basin
- (Geology)
- ... and chemical changes of waterproof rocks under the influence of mine water storage ponds / Rudakov D.V., Vorobyova T.I. // Haukovyi visnyk Natsionalnoho hirnychoho universytety. – 2008. – No.5. ...
- Created on 21 November 2012
- 25. Improvement of explosive mixtures flammability parameters conversion method in intrinsically safe electrical circuits
- (Mining)
- ... of low-voltage electrical chains use in explosion-proof equipment have been broadened and examples of its application for obtaining of flammable options more aggressive than 8.3% methane-air mixture are ...
- Created on 15 November 2012
- 26. Measures to improve the efficiency of use of underground explosion-proof transformer substations
- (Environmental safety, labour protection)
- ... of the explosion-proof factory-assembled mobile transformer substations (TS) effective use in a coal mine. Methodology. The methodology of TS load capacity is based on the transformer insulation deterioration ...
- Created on 13 November 2012