EU：zinc oxide, zinc sulphate and trizinc bis(orthophosphate) のリスク軽減措置に関する委員会勧告を公布(2008.6.23) http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2008:161:0047:0048:EN:PDF ・理事会規則(EC)No 793/93に基づく zinc o…

PTSという鉱山廃水処理方法があるらしい。論文から知る。 PASSIVE TREATMENT SYSTEMS provide an alternative method for removing metals from acid mine drainage. http://www.blm.gov/nstc/library/pdf/TN409.PDF [080711]追記 ちゃんと，JOGMECのHPにも…

Biofilm (often referred to as aufwuchs) consists of attached algae, bacteria, and associated fine detrital material that adheres to substrates in water bodies (Ruttner 1968) Auchwuchs, defined as biotic and abiotic material accumulating on…