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Optimization of the streamer shape in variable-depth streamer acquisitions
SEG Technical Program Expanded Abstracts 2013, 2013Variable-depth streamer acquisition is an acquisition technique aiming at achieving the best possible signal-to-noise ratio at low frequencies by towing the streamer very deeply, but by using a depth profile varying with offset in order not to limit the high frequency bandwidth.
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Streamer to Streamer 4D Seismic in the Gulf of America
19th Congress of the Brazilian Geophysical Society - ProceedingsThis work presents a successful application of streamer-on-streamer 4D seismic acquisition in a Gulf of America (GOA) oil field. The technique offers a cost-effective method for reservoir monitoring and identifying remaining hydrocarbons in mid-sized fields.
Sima Daneshvar +6 more
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Space Science Reviews, 1999
Streamer evaporation is the consequence of heating in ideal MHD models because plasma is weakly contained by the magnetic field. Heating causes inflation, opening of field lines, and release of solar wind. It was discovered in simulations and, due to the absence of loss mechanisms, the ultimate end point is the complete evaporation of the streamer.
S. T. Suess +3 more
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Streamer evaporation is the consequence of heating in ideal MHD models because plasma is weakly contained by the magnetic field. Heating causes inflation, opening of field lines, and release of solar wind. It was discovered in simulations and, due to the absence of loss mechanisms, the ultimate end point is the complete evaporation of the streamer.
S. T. Suess +3 more
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Space Science Reviews, 1994
Some theoretical aspects of solar coronal streamers are discussed with emphasis on the current sheet and reconnection processes going on along the axis of the streamer. The dynamics of the streamer is a combination of MHD and transport, with acceleration of particles due to reconnect ion and leakage of plasma outwards as a “slow” solar wind as the ...
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Some theoretical aspects of solar coronal streamers are discussed with emphasis on the current sheet and reconnection processes going on along the axis of the streamer. The dynamics of the streamer is a combination of MHD and transport, with acceleration of particles due to reconnect ion and leakage of plasma outwards as a “slow” solar wind as the ...
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Conference companion on Human factors in computing systems - CHI '94, 1994
Eddie Elliott, Glorianna Davenport
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Eddie Elliott, Glorianna Davenport
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The residual streamer channel: Return strokes and secondary streamers
Journal of Applied Physics, 1984The streamer and return stroke concepts in positive corona breakdown are reviewed, and examined critically for the case of short (<5 cm) gaps in ambient air. It is shown that return strokes normally should not be observed, but that return streamers may occur in longer or highly overvolted streamer channels. A new physical picture is presented of
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This project contains the data and materials supporting a study on virtual streamer anthropomorphism and human streamers’ behavioral responses.
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1988
Faults in devices subjected to an electric field are mostly due to electric breakdown of the insulations. Such a breakdown is the ultimate stage of irreversible processes which make any material switch from the insulating state to a conducting one (via an arc between two conductors). The situation is more or less catastrophic according to the nature of
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Faults in devices subjected to an electric field are mostly due to electric breakdown of the insulations. Such a breakdown is the ultimate stage of irreversible processes which make any material switch from the insulating state to a conducting one (via an arc between two conductors). The situation is more or less catastrophic according to the nature of
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