Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Buyan WAN"'
Publikováno v:
Meitan xuebao, Vol 49, Iss 8, Pp 3316-3334 (2024)
Metal mineral resources are critical materials for the world economic development. In a situation of weak supply of terrestrial rare metals, many countries are expanding the direction of resource extraction from a land-based approach to a land-sea ap
Externí odkaz:
https://doaj.org/article/28d274bafb734a75914d6af620c3e982
Publikováno v:
Chinese Journal of Mechanical Engineering, Vol 35, Iss 1, Pp 1-14 (2022)
Abstract Sediments in the seabed hold vital clues to the study of marine geology, microbial communities and history of ocean life, and the remote operated vehicle (ROV) mounted tubular sampling is an important way to obtain sediments. However, sampli
Externí odkaz:
https://doaj.org/article/8beb69a7633242db997b0b5e9027b138
Publikováno v:
Chinese Journal of Mechanical Engineering, Vol 35, Iss 1, Pp 1-12 (2022)
Abstract Aiming at the requirement of the full-ocean-depth (operating water depth 11000 m) manned submersible to carry out the gas-tight sampling operation of the abyss seabed sediment, a kind of full-ocean-depth carrier submersible mechanical hand-h
Externí odkaz:
https://doaj.org/article/2a0cade16c774fcd8b86d49c5ef50628
Publikováno v:
Advances in Mechanical Engineering, Vol 15 (2023)
Submarine pipeline is an important part of deep-sea and ultra-deep-sea oil and gas development. In the cold forming process of longitudinal submerged arc welded (LSAW) pipe, the JCO manufacturing process is one of the key forming technologies for man
Externí odkaz:
https://doaj.org/article/a49993ebefdb4e93b6d5de738b36b999
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 10, p 1845 (2023)
In cone penetration test (CPT) based on submarine drilling rigs, encountering harder soil layers requires drill-bit rotation. During this process, the flow noise generated by seawater flushing the drill bit propagates along the drill pipe with the de
Externí odkaz:
https://doaj.org/article/5aa520ec8d1c4def89b2b19062ca5559
Publikováno v:
Journal of Applied Science and Engineering, Vol 25, Iss 1, Pp 173-185 (2021)
Seabed sediment samples are vital to the study of marine geology, microbial communities, and the history of life on earth, and pressure-retaining samplers are fundamental to obtaining sediment samples while maintaining in situ conditions. Due to the
Externí odkaz:
https://doaj.org/article/c61ca440be2b4a2fb971640bc6d26fed
Publikováno v:
Frontiers in Marine Science, Vol 9 (2022)
Capturing less damaged organisms samples is the basis for research on the biological communities, living environments, biological life compositions, and biological tissue structures of organisms livinin the deep seabed. The hadal snailfish is pressur
Externí odkaz:
https://doaj.org/article/0e9bf256b9af4ea5a400d41e7cd35712
Publikováno v:
Chinese Journal of Mechanical Engineering, Vol 33, Iss 1, Pp 1-17 (2020)
Abstract Deep-sea sediment is extremely important in marine scientific research, such as that concerning marine geology and microbial communities. The research findings are closely related to the in-situ information of the sediment. One prerequisite
Externí odkaz:
https://doaj.org/article/6862fbb3cfa1452ab93d800d2bccd563
Publikováno v:
Journal of Marine Science and Engineering, Vol 10, Iss 12, p 2007 (2022)
Hadal seafloor organisms live under ultra-high pressure, in low temperatures, and other environments for a long time, which puts higher requirements on the structural design of deep-sea biological samplers. In this paper, we present a full-ocean-dept
Externí odkaz:
https://doaj.org/article/40d54ce113df4540a06da0b5f2575e39
Publikováno v:
Journal of Vibration Testing and System Dynamics. 5:345-357
Aiming at the influences of wave in the process of launch & recovery of the seafloor drill, a velocity sensor is used to gather the data of the heave motion of ship, and a mathematical model of active heave compensation hydraulic serve control system