Se dit d'une substance Chimique pouvant libérer un Ion Hydrogène (H+). Le degré d'acidité est mesuré en unité de pH variant de 0 à 7, où 7 est neutre et 0 très Acide.
\1e 24 November 2008 : Japan International Award for NACA Staff Network of Aquaculture Centres in Asia-Pacific - News
\1e 14 November 2008 : World's largest coral conservation project set to begin (ABC via Yahoo!7 News) :: from Yahoo! News Advanced Aquarist Online Magazine
\1e 14 November 2008 : Coral Reefs Face `Acid Test' of Early Extinction (Update1) (Bloomberg) :: from Yahoo! News Advanced Aquarist Online Magazine
\1e 14 November 2008 : Whales awarded right of way (The News Journal) :: from National Marine Sanctuary News Advanced Aquarist Online Magazine
\1e 14 November 2008 : Gulf marine sanctuary proposal dead for now (KLTV 7 Tyler) :: from National Marine Sanctuary News Advanced Aquarist Online Magazine
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