轻弹
发表于 2025-3-26 23:44:55
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folliculitis
发表于 2025-3-27 03:26:35
Study of the Mechanochemical Calcification for Mixed Rare Earth Concentrateeously (also known as mechanochemical calcification). The bastnaesite and monazite were both decomposed by OH., where released rare earth formed RE(OH)., released fluorine and phosphorus formed CaF. and Ca.P.O.. Then, the calcified slag was leached by diluted hydrochloric acid to extract rare earth
MIRTH
发表于 2025-3-27 07:00:22
Electrochemical Formation of Tb Alloys in Molten LiCl–KCl Eutectic Melts and Separation of Tbonducted using a Ni electrode after electrodepositing Tb metal at 0.20 V (vs. Li./Li) for 300 s. There were four potential plateaus at (a) 0.66 V, (b) 0.80 V, (c) 0.95 V and (d) 1.56 V, respectively. Alloy samples were prepared by potentiostatic electrolysis at 0.60 and 0.70 V at 723 K. The alloy ph
declamation
发表于 2025-3-27 09:32:42
Electrochemical and Spectroscopic Study of Eu(III)/Eu(II) Couple in the 1-Ethyl-3-Methylimidazolium uch as good conductivity, negligible vapor pressure and non-flammability. As a consequence, they are often regarded as green solvents and could become an alternative to the use of both high-temperature molten salts and volatile organic solvents in rare-earth elements processing and recycling. The di
灾难
发表于 2025-3-27 15:21:00
The Electrolytic Production of Rare Earths from Their Oxidesmer and Department of Defense (DoD) devices. The one U.S. mine has been purchased by the Chinese that even enhances their monopoly on rare earths. A research effort has demonstrated rare earth oxides can be extracted from bastnaesite ore as well as coal ash at efficiencies in the upper 90s percent.
puzzle
发表于 2025-3-27 20:24:36
Commercial Processes for the Extraction of Platinum Group Metals (PGMs)nts, jewellery, etc. due to their excellent electrical and thermal conductivity as well as chemical resistivity. The rising demand of PGMs in industrial applications and their limited natural resources have laid emphasis on the development of feasible and eco-friendly processes for the extraction of
杀人
发表于 2025-3-27 23:34:30
Recovery of Valuable Metals from Waste Printed Circuit Boards by Using Iodine-Iodide Leaching and Prr (Cu), nickel (Ni), cobalt (Co), lead (Pb) and zinc (Zn) from waste printed circuit boards (WPCBs) via iodine-iodide leaching and precipitation. The behaviours of dissolution and precipitation of precious and base metals during iodine-iodide leaching and precipitation processes were discussed. Sodi
Omniscient
发表于 2025-3-28 05:56:07
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不可知论
发表于 2025-3-28 08:09:12
Thermodynamic Study of Ga Extraction for Trace Element Analysis by ICP-MS limit increased to ~10 ppb for the analysis of impurities in ultra-pure Ga of 7 N (99.99999%) and 8 N (99.999999%) by ICP-MS due to matrix-induced interference. By extracting Ga during sample preparation, matrix-induced interference can be reduced and a lower detection limit can be achieved in the
interrupt
发表于 2025-3-28 11:06:50
Electrodeposition of γ-MnO2 from Manganese Nodule Leach Liquor: Surface Modification and Electrochemse as reductant followed by purification through 2-stage precipitation methods is described. The purified leach liquor was the starting solution for electrodeposition. Influence of in situ addition of a cationic surfactant Cetyltri-methylammonium bromide (CTAB) (0–500 mg dm.) on the surface morpholo