STUDY ON PRODUCTION OF ACTIVE MANGANESE DIOXIDE FROM PYROLUSITE ORE AVAILABLE IN VIETNAM. I. PROCESS OF MANGANESE (II) SULFATE PREPARATION FROM PYROLUSITE ORE VAILABLE IN VIETNAM Bùi Trung Abstract Tác giả Bùi Trung PDF (Vietnamese) điểm / đánh giá Published 2011-12-01 Issue Vol. 45 No. 2 (2007) Section Articles