Zobrazeno 1 - 10
of 2 097
pro vyhledávání: '"Controlled source"'
Publikováno v:
Earth, Planets and Space, Vol 76, Iss 1, Pp 1-20 (2024)
Abstract We have developed a 3-D forward modeling method for the magnetometric resistivity (MMR) technique, specially focusing on the marine MMR method, which utilizes a vertical bipole source and seafloor receivers to measure magnetic field variatio
Externí odkaz:
https://doaj.org/article/f87ebeac31d44beaa8860322660b02b8
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 158, Iss , Pp 109972- (2024)
The issue of DC fault ride-through can now be resolved in a novel way thanks to flexible current limiting technology, but its practical worth cannot be realized due to flaws in the technology. This study examines the placement of a controlled current
Externí odkaz:
https://doaj.org/article/e416307e17874ef3a798c9b9cf082c57
Autor:
Jianbo Long
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
Geophysical electromagnetic survey methods are particularly effective in locating conductive mineral deposits or mineralization zones in a mineral resource exploration. The forward modelling of the electromagnetic responses over such targets is a fun
Externí odkaz:
https://doaj.org/article/cfc16d020bc148c3a7b8767a59bb7a15
Autor:
Yao Lu, Handong Tan, Dikun Yang, Zhigang Wang, Yunjian Yang, Liangjun Yan, Wei Wan, Hanbing Wang
Publikováno v:
IEEE Access, Vol 12, Pp 32238-32252 (2024)
The land controlled-source electromagnetic (CSEM) method dynamically monitors reservoir fluid by contrasting electrical conductivity between hydraulic fracturing fluids and surrounding rock formations. In hydraulic fracturing monitoring, the undergro
Externí odkaz:
https://doaj.org/article/2960dd2f9b5f466abbd9ac01436fd923
Publikováno v:
Shanghai Jiaotong Daxue xuebao, Vol 57, Iss 12, Pp 1597-1608 (2023)
Electromagnetic detection is the main method of marine oil and gas resources exploration, and marine electromagnetic transmitter is the key equipment of marine electromagnetic detection system. At present, when the underwater towed body of the marine
Externí odkaz:
https://doaj.org/article/70bcadc2f9ea4bae8851d10dffd9cd81
Publikováno v:
Sensors, Vol 24, Iss 20, p 6598 (2024)
The marine controlled source electromagnetic (MCSEM) transmitter can transmit high currents near the seabed to detect the electrical structure of the seafloor. The use of three-phase alternating current (AC) transmission can lead to three-phase imbal
Externí odkaz:
https://doaj.org/article/48d3b02b36904aabb566f760f44c2e91
Publikováno v:
Minerals, Vol 14, Iss 7, p 677 (2024)
Nanhong agate, esteemed for its vivid color and natural shine, is experiencing a scarcity in supply despite its high demand. The primary deposits of agate, typically found near the surface, have not been extensively explored due to the predominance o
Externí odkaz:
https://doaj.org/article/2fde7f09e6d7462fa2abcd53e644ebbe
Autor:
Gou Fujie, Shuichi Kodaira, Koichiro Obana, Yojiro Yamamoto, Takehi Isse, Tomoaki Yamada, Tetsuo No, Yasuyuki Nakamura, Seiichi Miura
Publikováno v:
Progress in Earth and Planetary Science, Vol 10, Iss 1, Pp 1-28 (2023)
Abstract Devastating megathrust earthquakes and slow earthquakes both occur along subducting plate interfaces. These interplate seismic activities are strongly dependent on the nature of the plate interface, such as the shape of the plate interface a
Externí odkaz:
https://doaj.org/article/f573890f67d24f42b2ad2eac26eec2eb
Publikováno v:
Journal of Environmental & Engineering Geophysics. Jun2016, Vol. 21 Issue 2, p79-87. 9p.
Publikováno v:
J, Vol 6, Iss 2, Pp 286-301 (2023)
In the controlled source radiomagnetotelluric (CSRMT) sounding method, a horizontal magnetic dipole, HMD (vertical loop) or a horizontal electric dipole, and HED (grounded line) are used as sources. When working with HMD, the source is usually tuned
Externí odkaz:
https://doaj.org/article/cb21a8ba632b4843bef230e3e8e1b99a