Zobrazeno 1 - 10
of 863
pro vyhledávání: '"Dust pollution"'
Publikováno v:
Meikuang Anquan, Vol 55, Iss 9, Pp 94-99 (2024)
In order to solve the problem of respirable dust pollution in the heading face, a multi-layer spiral spray dust removal method was proposed, in which supersonic pneumatic nozzles were arranged in a spiral shape. Taking the heading face of Qipan Coal
Externí odkaz:
https://doaj.org/article/f19a9e01ea164de181d85f574ca845b6
Publikováno v:
Meitan xuebao, Vol 49, Iss 8, Pp 3522-3534 (2024)
The coal dust produced by surface coal mining has a serious impact on the atmosphere, vegetation, soil and residential environment in the coal mining area and its surrounding area, but the related research on the coverage of coal dust pollution, the
Externí odkaz:
https://doaj.org/article/80eb6dc98a4c40609c63b3e45d118920
Publikováno v:
Meikuang Anquan, Vol 55, Iss 7, Pp 59-67 (2024)
In order to improve the problem of serious dust pollution in the fully-mechanized mining face, a new air distribution dust control method with air separator installed was proposed for the fully-mechanized mining face of Daliuta Coal Mine in Yulin, Sh
Externí odkaz:
https://doaj.org/article/c71f54c9cf6140ab83361b374b0f443c
Publikováno v:
Meikuang Anquan, Vol 55, Iss 4, Pp 72-78 (2024)
The large size shearer drum in the large mining height working face generates more obvious turbulent wind in cutting the coal body, which causes the local wind speed of the working face to change, and the horizontal diffusion of dust particles to the
Externí odkaz:
https://doaj.org/article/3cd1317be70c4dadb32f0d1432592943
Publikováno v:
Meikuang Anquan, Vol 55, Iss 3, Pp 60-65 (2024)
Aiming at the serious problem of dust pollution in coal mines, the OAPB automatic diverting acid solution of coal seams was studied to uniformly distribute acid, so as to improve the water content of coal bodies. In order to achieve better results in
Externí odkaz:
https://doaj.org/article/dcbfcb9c162a4e098493ff65c098762c
Publikováno v:
Vestnik MGSU, Vol 19, Iss 3, Pp 456-468 (2024)
Introduction. The existing approaches to management decision-making in construction production give the opportunity to select options only for a certain stage of the capital construction object life cycle (LC CCO), not considering their effectiveness
Externí odkaz:
https://doaj.org/article/1b05d0b7a3b748748a8a4b4f17d615de
Publikováno v:
International Journal of Coal Science & Technology, Vol 11, Iss 1, Pp 1-17 (2024)
Abstract In order to study the problems of unreasonable airflow distribution and serious dust pollution in a heading surface, an experimental platform for forced ventilation and dust removal was built based on the similar principles. Through the simi
Externí odkaz:
https://doaj.org/article/cb9d25e24be74108a127059ac7275cb0
Publikováno v:
International Journal of Coal Science & Technology, Vol 10, Iss 1, Pp 1-17 (2023)
Abstract A comprehensive evaluation method is proposed to analyze dust pollution generated in the production process of mines. The method employs an optimized image-processing and deep learning framework to characterize the gray and fractal features
Externí odkaz:
https://doaj.org/article/47f27daf1254448ea6382dd5f9834868
Autor:
Svetlana Manzhilevskaya
Publikováno v:
Buildings, Vol 14, Iss 9, p 2991 (2024)
Construction in cities and agglomerations is one of the main sources of air pollution in most countries in the world. Fine dust particles, PM0.5–PM10, which form as a result of construction processes, are among the most dangerous pollutants. With t
Externí odkaz:
https://doaj.org/article/bfbeed8e79094d3b92fbf55fa68b0651
Publikováno v:
Meikuang Anquan, Vol 54, Iss 10, Pp 43-49 (2023)
Based on the problem of coal dust pollution in the open-air coal stocking yard, the hydrogel with interpenetrating double network structure (PVA-XG-AA) was prepared by using the hydrogen bonding between polyvinyl alcohol (PVA), xanthan gum (XG) and a
Externí odkaz:
https://doaj.org/article/ee9d8320ae474851a0a106b411013d8d