Zobrazeno 1 - 3
of 3
pro vyhledávání: '"P. V. Katyshev"'
Publikováno v:
В мире научных открытий, Vol 9, Iss 4, Pp 230-233 (2017)
This paper presents the influence of the content of fine-dispersed ground particles in the pressure water on the impact force of the jet stream on the sidewall. Based on the results of modeling in the laboratory, a mathematical model is developed for
Externí odkaz:
https://doaj.org/article/8ef8fcb782004c96a553c73b87696bf2
Publikováno v:
Journal of Degraded and Mining Lands Management, Vol 11, Iss 1, Pp 4985-4997 (2023)
Artisanal and small-scale coal mining (ASM) in Africa presents a complex challenge where environmental conservation and socioeconomic development must be carefully balanced. This article explores the intricate dynamics surrounding ASM in the African
Externí odkaz:
https://doaj.org/article/d6c8842831364444a06a656aa6f9a26d
Publikováno v:
Mining Informational and analytical bulletin. 10:79-89