Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Ji-dong Yuan"'
Publikováno v:
Underground Space, Vol 12, Iss , Pp 89-101 (2023)
Rock condition perception based on tunnel boring machine (TBM) data is of great importance for not only ensuring tunnel boring safety but also improving construction efficiency. The prediction of TBM boring responses (i.e., torque and total thrust of
Externí odkaz:
https://doaj.org/article/c772f2c16d7f47a8973f4f5afae6387a
Publikováno v:
Review of Palaeobotany and Palynology. 257:64-76
The fossil remains of Chamaecyparis Spach (Cupressaceae) were discovered in the Lower Cretaceous Guyang Formation of the Guyang Basin, Inner Mongolia, North China. The Guyang fossils are known from compressions-impressions of a foliated branch with a