Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Zhaoqiang Su"'
Publikováno v:
Water, Vol 16, Iss 8, p 1078 (2024)
The precise prediction of water inflow in tunnels is a key aspect of civil engineering. It is directly related to the progress of construction, the stability of caverns and the safety of construction personnel. Currently widely used calculation metho
Externí odkaz:
https://doaj.org/article/2381916918994e17b1d64fb5ff396936
Publikováno v:
You-qi chuyun, Vol 39, Iss 2, Pp 201-208 (2020)
Pipeline transportation efficiency and safety are seriously affected by black powder in natural gas pipelines. The black powder removal is less efficient, and the pig blockage phenomenon is easy to occur when using existing pig with leather bowl, mag
Externí odkaz:
https://doaj.org/article/38c855de53ed4f92a8c46439f76a941b