Praseodymium nature only one stable isotope, 141-Pr. Howev.......
1. Uranium ore mixed acid ripening heap leaching process
Located in Deqin County, northwestern Yunnan, Yangla Sulfide
First, the main reaction and its thermodynamic conditions<.......
(A) coal processing a.......
Under the calcination conditions of 200 to 240 ° C, concentrate.......