Noun1.rare earth- any element of the lanthanide series (atomic numbers 57 through 71) lanthanide,lanthanoid,lanthanon,rare-earth element group,grouping- any number of entities (members) considered as a unit terbium metal- a separate group of related lanthanides, including terbium, europium, gado...
This support also disperses a noble metal such as Pt much better than undoped SiO 2 /Al 2 O 3 and similar to chlorided alumina. Platinum on the rare earth modified silica alumina can function as a hydrocarbon conversion catalyst in reactions where Pt/chlorided Al 2 O 3 is used, such ...
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rare-earth metal词源英文解释 The first known use of rare earth element was in 1924 rare-earth metal 例句 1.About 24 million tonnes of magnesium and 3.1 million tonnes of cobalt are estimated to be in manganese crusts grown on bedrock over millions of years, as well as 1.7 million tonnes ...
Chinese rare earth production volume 2008-2013 by province Export value of rare-earth metal compounds from the United Kingdom (UK) 2016-2023 Global leading critical mineral producers 2011-2015, by country Key economic figures on the rare earth mining industry China 2015 ...
Rare Earth and Rare Metal Elements Mobility and Mineralization During Magmatic and Fluid Evolution in Alkaline Granite System: Evidence from Fluid and Melt... Rare earth and rare metal elements mobility and mineralization during magmatic and fluid evolution in alkaline granite system: evidence from flui...
A rare earth metal-based permanent magnet has a film layer formed substantially of only a fine metal powder on a metal forming the surface of the magnet. The rare earth metal-based permanent magnet having the film layer on its surface is produced in the following manner: A rare earth metal...
Rare earth-metal bonding in molecular compounds: recent advances, challenges, and perspectives Rare earth-metal bonding in molecular compounds: recent advances, challenges, and perspectivesMetal-metal bonding in heterometallic complexes isKempe... Kempe,Rhett,Butovskii,... - 《New Journal of Chemistry...
Tantalum (Ta), chemical element, bright, very hard, silver-gray metal of Group 5 (Vb) of the periodic table, characterized by its high density, extremely high melting point, and excellent resistance to all acids except hydrofluoric at ordinary temperatur
Metal/diamond binary composite coatings on Al substrate without grit blasting were deposited by cold spray process with in-situ powder preheating. Microstr... HJ Kim,DH Jung,JH Jang,... - 《Materials Science Forum》 被引量: 4发表: 2007年 Study on Metal/Diamond Binary Composite Coatings by ...