Zobrazeno 1 - 10
of 385
pro vyhledávání: '"bed height"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-37 (2024)
Abstract A Trailing Suction Hopper Dredger (TSHD) in the sailing process, excavating seabed sediment with the drag head and pumping it through the pipeline to the spoil hopper sedimentation. The spoil hopper sedimentation process, as a critical facto
Externí odkaz:
https://doaj.org/article/b32ce1f2f6614aaea724410be4e4a2c9
Akademický článek
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Autor:
Mahdi Nazari Sarem, Arash Ebrahimabadi
Publikováno v:
Journal of Petroleum Science and Technology, Vol 12, Iss 1, Pp 21-35 (2022)
Field experience shows that the cutting transportation and hole-cleaning phenomena are essential during the drilling phase. Particularly in directional drilling, when the accumulation of cutting has caused some drilling problems such as drill string
Externí odkaz:
https://doaj.org/article/3bfc5f4ea8a34e32bda581e9aa9a6e0b
Publikováno v:
工程科学学报, Vol 43, Iss 11, Pp 1425-1432 (2021)
The real-time inline monitoring technologies of focused beam reflectance measurement (FBRM) and particle video microscopy (PVM) were used to analyze the aggregate structure evolution during the operation of a dynamic thickening system. The tailings d
Externí odkaz:
https://doaj.org/article/7dbda6eb803a42c8940917a7d2805bc3
Publikováno v:
Water Science and Technology, Vol 84, Iss 1, Pp 55-65 (2021)
In this study, the removal of hexavalent chromium from aqueous solution were examined using activated charcoal derived from Sapindus trifoliate L fruit biomass in continuous fixed-bed column studies. The activated S. trifoliate L fruit charcoal was p
Externí odkaz:
https://doaj.org/article/5af2e2342e99483e82fd271a5c12ded3
Publikováno v:
Energies, Vol 15, Iss 22, p 8389 (2022)
Inadequate drill cuttings removal can cause costly problems such as excessive drag, lower rate of penetration, and even mechanical pipe sticking. Cuttings bed height is usually used to evaluate hole-cleaning efficiency in horizontal wells. In this st
Externí odkaz:
https://doaj.org/article/a1d426cafcb34e8eb9d186879f143ed7
Autor:
Youssef Miyah, Anissa Lahrichi, Rabie Kachkoul, Ghita El Mouhri, Meryem Idrissi, Soulaiman Iaich, Farid Zerrouq
Publikováno v:
Arab Journal of Basic and Applied Sciences, Vol 27, Iss 1, Pp 248-258 (2020)
In the course of this project we were able to develop a wastewater treatment method, column filtration, which turned out to be effective, affordable, and easily implementable. We tested filtration/adsorption process on a mixture of three dyes, methyl
Externí odkaz:
https://doaj.org/article/f621d7edc3b94958be43dbcfcbb5f8d9
Akademický článek
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Publikováno v:
Iraqi Journal of Chemical and Petroleum Engineering, Vol 21, Iss 3 (2020)
In this study, the circulating fluidized bed was used to remove the Tetracycline from wastewater utilizing a pistachio shell coated with ZnO nanoparticles. Several parameters including, Tetracycline solution flowrate, initial static bed height, Tetra
Externí odkaz:
https://doaj.org/article/2ca3c816eb8e4f4f90ceb24cf2a5eae8
Publikováno v:
工程科学学报, Vol 40, Iss 6, Pp 673-678 (2018)
In mining, cement paste backfill technology uses the high concentration tailings that remain after mineral processing to backfill underground stopes. These tailings are prepared by dewatering, mixed with a proportion of cement or other binder, then,
Externí odkaz:
https://doaj.org/article/698423669c8c47af86d65f016d928052