이동휘 2024-01-22T02:08:03Z 2024-01-22T02:08:03Z 2022-01-10 1983-12 https://pubs.kist.re.kr/handle/201004/148070 Leaching technology of gold and silver ores. 금은광의 침출 및 침출기술 = Article 3 대한광산학회지, v.v. 20, no.no. 4, pp.266 - 271 대한광산학회지 v. 20 no. 4 266 271 carbon in pulp thiourea heap & vats leaching degradation counter current leaching desorption & electrowining magnetic activated carbon