 In October 1982 , Li Fanghua went to the Department of Applied Physics, Osaka University, Japan as a visiting scholar (until May 1983), and carried two new domestically produced minerals: Yellow River ore and bastnaesium ore, hoping to use Japanese super-high resolution There are new discoveries in domestic minerals by the electron microscope.
<clarity>  In October 1982 , Li Fanghua went to the Department of Applied Physics, Osaka University, Japan as a visiting scholar (until May 1983), and carried two new domestically produced minerals: Yellow River ore and bastnaesium ore, hoping to use Japanese super-high resolution There are new discoveries in domestic minerals by the electron microscope.
 In October 1982 to 1983, she was a visiting scholar (until May 1983), and carried two new domestically produced minerals: Yellow River ore and bastnaesium ore, hoping to use Japanese super-high resolution There are new discoveries in domestic minerals by the electron microscope.