Zobrazeno 1 - 10
of 61
pro vyhledávání: '"D.O. Johnson"'
Publikováno v:
Scientific African, Vol 19, Iss , Pp e01572- (2023)
Conventional switched capacitor filter circuits require a number of capacitors for their implementation with attendant complexity, efficiency and power density costs. In this work, a simple hysteresis-controlled switched capacitor circuit requiring a
Externí odkaz:
https://doaj.org/article/5df210461b884d1e9a88d489622f84e6
Akademický článek
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Akademický článek
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Publikováno v:
SPE Production & Facilities. 19:41-48
Summary Steam breakthrough in producing wells can be very problematic. Not only can production drop drastically, but catastrophic failure events can occur; holes can be cut in tubulars, screens, and casing. Many of these events can result in loss of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e017ecfc375c196753f824edd9ab87c7
https://doi.org/10.2118/87631-pa
https://doi.org/10.2118/87631-pa
Publikováno v:
All Days.
With the development of several novel methods for installing optical fibers in oil and gas wells for the purpose of "Distributed Temperature Sensing" (DTS), the search is on for gaining the considerable value offered from this remarkable technology.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27d20903d5160e7d008f5ad55dc4fc0d
https://doi.org/10.2118/77460-ms
https://doi.org/10.2118/77460-ms
Kniha
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The treatment of contaminated soil presents a significant technical problem. Soil-washing and chemical-extraction methods have proven to be effective for specific applications, but a process with more comprehensive treatment properties that is both c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::841a43b1f9157fd0c41d0b32863108a0
https://doi.org/10.2172/7148507
https://doi.org/10.2172/7148507
Intensive and continued use of the Freihoelser Forst Local Training Area (LTA) for military training activities had resulted in serious environmental problems, exemplified by a lack of vegetative cover and severe erosion by water and wind. The projec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10155538027896118dcd69eba24b9980
https://doi.org/10.2172/10124110
https://doi.org/10.2172/10124110
At the US Army Hohenfels Training Area in Germany, more than 30 years of continuous and intensive tactical training has caused extensive environmental damage because of the loss of vegetative cover and accelerated soil erosion. A project was conducte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::30107ae30b63db92b8bb2d2ae66af6d3
https://doi.org/10.2172/10126959
https://doi.org/10.2172/10126959