A Complete Design of a Rare Earth Metal-Free Permanent . - MDPIMay 16, 2014 . Machines 2014, 2, 120-133; doi:10.3390/machines2020120 . Keywords: rare earth metal-free; permanent magnet; synchronous generator.rare earth metal machine,Rare earth applicationsdetermine the severity of injuries. An average MRI machine contains 700kg of rare earth metals. Diagnosis and treatment. Rare earth based PET imaging agents.What are rare earth elements - U.S.-China Economic and Security .Nov 3, 2010 . China produces 97 percent of the world's rare earth elements, a key . weapons and equipment that contain rare earths are: Predator.
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