fluffy
发表于 2025-3-23 09:58:56
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护身符
发表于 2025-3-23 15:37:39
Environmental Friendly Transformation of the First and Oldest Alumina Refinery in the Worldg 3 major operational changes: .Further improvements are already under investigation, and will be presented as a conclusion of this environmental friendly transformation of the first and oldest alumina refinery in the world.
Minikin
发表于 2025-3-23 22:01:48
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母猪
发表于 2025-3-24 01:33:59
Quantitative X-Ray Diffraction Study into Bauxite Residue Mineralogical Phases bearing phases to identify opportunities for process optimisation and residue utilisation. Analysis revealed that a significant proportion, up to 66%, of the total aluminium in some residues can be hosted within iron oxides via solid solution.
Canopy
发表于 2025-3-24 06:15:12
Migration of Iron, Aluminum and Alkali Metal Within Pre-reduced-Smelting Separation of Bauxite Residfectively separating iron into the pig iron and aluminum and sodium into the slag. The obtained pig iron can be used as the burden for an electric arc furnace (EAF). Meanwhile, the slag can be leached by alkali leaching to extract aluminum and sodium.
GENUS
发表于 2025-3-24 10:25:08
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Judicious
发表于 2025-3-24 11:55:57
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微粒
发表于 2025-3-24 17:06:26
assino, Italy, from 12 to 15 May 2004. These Proceedings contain 29 papers by authors from all around the world. These papers cover the wide field of the History of Mechanical Engineering and particularly the History of MMS. The contributions address mainly technical aspects of historical developments of Mach978-90-481-6613-8978-1-4020-2204-3
AND
发表于 2025-3-24 21:04:41
Lala Behari Sukla,Archana Pattanaik,Debabrata Pradhanassino, Italy, from 12 to 15 May 2004. These Proceedings contain 29 papers by authors from all around the world. These papers cover the wide field of the History of Mechanical Engineering and particularly the History of MMS. The contributions address mainly technical aspects of historical developments of Mach978-90-481-6613-8978-1-4020-2204-3
Armory
发表于 2025-3-25 01:06:35
Hong Peng,Steven Peters,James Vaughan. The brief history of creation of steam engine from Newcomen to Watt is expounded. The concurrence between main stages of machine design is shown: idea — ambiguity of engineering solutions — capabilities of technology — design — operation. The comparison with the process of design of a new machine