Results 11 to 20 of about 4,694,239 (258)
Influence of Exhaust System Setup on Working Zone Pollution by Dust during Sawing of Particleboards. [PDF]
Air pollution by wood dust in furniture production sites is an important hygiene issue. The dust is created by all types of wood and wood-based material machining, and its concentration in the working zone surrounding the machining stand depends on the ...
Pałubicki B +2 more
europepmc +2 more sources
Insufficient stability of the top plate at the corner of an easily combustible coal seam comprehensive mining face may lead to a natural fire within the goaf. While corner sealing is crucial for minimizing air leakage, current sealing methods struggle to
Lei Sun +5 more
doaj +3 more sources
Evaluation on water bursting risk of working faces near collapse column during the mining process [PDF]
Collapse column water bursting occurs from time to time in the coal mining process of North China Type Coalfield in China, which causes great economic loss and personal injury. Therefore, great attention must be paid to the harm of collapse column.
Xue Yang +6 more
doaj +1 more source
Studying the space of microclimate parameters of production premises
The aim of the study is to find out, based on the project’s approach, the main components of the project on the research of the microclimate of industrial premises, and to substantiate, develop and apply a means of geometric analysis of the graphic ...
Olena Gumen +2 more
doaj +1 more source
The migration law of overlying strata on working face is of great significance for safe mining of working face. In this paper, theoretical calculation, numerical simulation, and similar simulation are used to study the distribution characteristics ...
Hongtao Liu +5 more
doaj +1 more source
Purpose: analysis of scientific literature, summarizing data on domestic and foreign experience of assessing the determination of nanoparticles in the air of the working zone as a risk factor for the health of workers of various industries.
A. Sevalnev +6 more
semanticscholar +1 more source
LEANING OF PROCESSES AND IMPROVING THE WORKING CONDITIONS OF THE NEWLY CREATED WORKING ZONE
The aim of the article is to propose ways to increase the functioning efficiency of the newly created workplace with regard to the course of the processes themselves, as well as of the working conditions of the affected employees in the selected company,
V. Sabolová +2 more
semanticscholar +1 more source
In order to extract gas accurately in Yue Nan coal mine and prevent gas over limit and gas accidents, a combination of theoretical analysis and numerical simulation was used to investigate the height of the overburden caving zone and fracture zone in the
Xiangjun Chen +4 more
doaj +1 more source
To study the distribution law of coal spontaneous combustion zone in goaf of two intake and one return ventilation working face, the oxygen concentration under different working conditions during the mining of the 8301 working face of Tashan Coal Mine ...
DU Yang, QI Xuyao, WENG Xuze, HAO Jianfeng, CHEN Ruifeng, CHEN Yuezhen
doaj +1 more source
Analysis of the Influence of Fault Fracture Zone on Mining Response Based on FDM-DEM Coupling
Fault slip will cause a change in mining stress at the longwall face, which will cause adverse effects. In this study, on the basis of Fast Lagrangian Analysis of Continua in 3 Dimensions (FLAC3D) and Particle Flow Code in 3 Dimensions (PFC3D), the ...
Cao Xu, Cao Xiaoshan, Han Tielin, Ru Yan
doaj +1 more source

