Neodymium prices have quadrupled in the past year, according to Lynas Corp., an Australian company developing a giant mine and refinery for the material.
据澳大利亚一家开发巨型钕矿和冶炼厂的企业Lynas称，去年钕价格增长了三倍。
It discusses how to prolong life of refinery furnace liner with ramming material.
论述了延长精炼电炉捣打料炉衬寿命的问题。
By using vacuum residue from Liaohua refinery as the raw material, several brand heavy paving asphalts have been produced, which meet GB/T15180-94 standard.
应用辽化炼油厂的减压渣油作为原料，研制出符合GB/T15180 94标准的多个牌号重交通道路沥青。
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