- 41. Calculation of the overburden ratio by the method of financial and mathematical averaged costs
- (Content №5 2021)
- ... and areas that were previously related to the development of the mine method or open-pit mines with large losses of coal during the complex mining of conditional seams of raw brown coal, off-quality seams, ...
- Created on 29 October 2021
- 42. The enterprise capital structure management model
- (Content №4 2021)
- ... liabilities is stable and comparable in size with external borrowing, show a decrease in losses. Originality. Algorithms for capital structure management and a mathematical model for optimizing capital ...
- Created on 23 August 2021
- 43. Elaboration of an integral system of company management by developing corporate and safety culture
- (Content №3 2021)
- ... of the systems to manage losses related to human life and health at production site basing on risk management and ISO 45001:2018. Collection of papers Risk control in the systems of labour safety and hygiene ...
- Created on 23 June 2021
- 44. Productivity of seedlings of Scots pine on alluvial sands of natural and man-made origin
- (Content №3 2021)
- ... was higher (by 21.5%). Losses of aboveground phytomass per unit area in pine seedlings growing under such conditions can reach 31%, due to the compaction of sands at a depth of 2550 cm (1.671.72 g × ...
- Created on 23 June 2021
- 45. Energy-efficient solutions of foundry class steelmaking electric arc furnace
- (Content №3 2021)
- ... at reducing heat losses, mainly, by refractory lining during forced downtime and by steelmaking bath in conditions of traditionally low specific power of transformer. Methodology. Mathematical modeling ...
- Created on 23 June 2021
- 46. Need of technical accounting at electric energy quality reduction under conditions of AC traction substation
- (Content №3 2021)
- ... power factor are noted. Based on the calculation of additional losses from current higher harmonics in the cable line, it has been established that the current load of the line can be reduced by 10% while ...
- Created on 23 June 2021
- 47. Evaluation of hydraulic power of drilling string with a cavitation hydrovibrator
- (Content №3 2021)
- ... losses on the drill string vibration amplitudes at drill operating modes. Methodology. Methods are based on experimental and theoretical studies on the drill string dynamic parameters and the evaluation ...
- Created on 23 June 2021
- 48. Mathematical model of steel consumption minimization considering the two-stage billets cutting
- (Content №2 2021)
- ... T. (2016). The one-dimensional cutting stock problem with sequence-dependent cut losses. International Transactions in Operational Research, 23(1-2), 5-24. https://doi.org/10.1111/itor.12095. 6. Powar, ...
- Created on 29 April 2021
- 49. Regularities of safe control of piston compressor units of mobile compressor stations
- (Content №2 2021)
- ... 8.Neftegaz.ru (2017). Ukrtransgaz began operation of a mobile compressor station to reduce gas losses during gas pipeline repairs. Retrieved from https://neftegaz.ru/news/Oborudovanie/211544-ukrtransgaz-nachal-ekspluatatsiyu-mobilnoy-kompressornoy-stantsii-dlya-snizheniya-poter-gaza-pri-rem/. ...
- Created on 29 April 2021
- 50. Coefficient of local loss of mechanical energy of the flow for a mixture of charge materials
- (Content №2 2021)
- ... Abstract: Purpose. To determine the dependence of the coefficient of local losses of mechanical energy of flow of a two-component mixture of charge material on its depth, content of components, and average ...
- Created on 29 April 2021