The processes most often associated with processing of NORM with elevated concentrations of radioactive materials include mining and milling of metalliferous and non-metallic ores, production of coal, ...

Mason, for an improved method of desulphurizing and oxidizing metallic ores. Theplain tiffs alleged in the bill in this action that Hagan was the inven-torof theimpr-vementsclaimed in the reissue ...

TASS/. Japan reduced the volume of imports of non-ferrous metal ores from Russia in 2023, according to to trade statistics from the Japanese Ministry of Finance. According to the department's ...