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of 3
pro vyhledávání: '"jine cao"'
Publikováno v:
Journal of Marine Science and Engineering, Vol 10, Iss 11, p 1603 (2022)
Ice core drilling with air reverse circulation is a promising technology that uses high-speed airflow to transport the ice core from the bottom of the hole along the central passage of the drill pipe to the surface. Understanding how the ice core mov
Externí odkaz:
https://doaj.org/article/f23f660c2f1f4b61bc0221eec59b7291
Publikováno v:
Journal of Marine Science and Engineering, Vol 10, Iss 2, p 296 (2022)
Due to its high mechanical penetration rate and lack of pollution of the environment, air reverse circulation drilling is considered to be a promising method for ice drilling. The air reverse circulation is caused by the combination of the ejector an
Externí odkaz:
https://doaj.org/article/8b392f576a354344920d4e56abfd0966
