1, in the metallurgical industry, the purification effect of rare earth in steel, metamorphism of the inclusion, promote alloying elements of precipitation strengthening effect and mechanism against the damage of harmful elements, etc, the research of a breakthrough, which greatly accelerates the rare earth processing of weathering steel, heavy rail steel, welding gas cylinder steel, ship plate steel, copper, phosphorus, rare earth series such as steel and the development of niobium and rare earth series of manganese steel
2. China's unique rare earth agricultural development and the application of rare earth in automobile exhaust purification materials are also showing its social and economic benefits.Especially the research and development of automobile exhaust purification technology aimed at improving urban environment.Experts pointed out that rare earth is an indispensable and important strategic resource in modern industry, as well as a key strategic basic material for transforming traditional industries and developing emerging industries.[1]
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