摘要: Small- and medium-scale mining operations in Guyana have increased significantly since the late 1980s. The majority of these gold mining operations utilize mercury (Hg) …
JEROME O. NRIAGU, WOLFGANG C. PFEIFFER, OLAF MALM, CRISTINA M. MAGALHAES de SOUZA, GREGORY MIERLE, Mercury pollution in BrazilNature. ,vol. 356, pp. 389- 389 ,(1992) , 10.1038/356389A0