Open AccessRare Earths, Key Materials in the Era of the 4th Industrial Revolution! How Are They Produced?
Author(s) -
Jin Young Lee
Publication year - 2019
Publication title -
mulrihag gwa cheomdan gisul
Language(s) - English
Resource type - Journals
ISSN - 1225-2336
DOI - 10.3938/phit.28.034
Subject(s) - key (lock) , industrial revolution , earth science , astrobiology , computer science , history , geology , archaeology , physics , computer security