Zobrazeno 1 - 2
of 2
pro vyhledávání: '"DING Xuhai"'
Publikováno v:
Gong-kuang zidonghua, Vol 48, Iss 11, Pp 84-92, 144 (2022)
The large-power radio waves emitted by 5G, WiFi6, UWB, ZigBee and other mine mobile communication systems and personnel and vehicle positioning systems will affect the health of underground personnel. Therefore, it is necessary to study the influence
Externí odkaz:
https://doaj.org/article/760727de10df4589b17aececa64d5d1a
Publikováno v:
Meikuang Anquan, Vol 52, Iss 2, Pp 23-27 (2021)
In order to explore the seepage characteristics of coal seam pressure water injection under different permeability and fracture conditions, CT scanning technology was used to scan coal samples and obtain the original image. The noise points are filte
Externí odkaz:
https://doaj.org/article/00f2269504574b77a7e7ca90181d1957