| ammonia |
An exceedingly toxic by-product of fish metabolism and decaying organic materials. When a tank is fully cycled, the ammonia is completely converted to Nitrites and eventually to Nitrates.
출처: www.aquaticswest.com/glossary.html
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| ammonia |
A colourless gas with a pungent smell and strong alkaline reaction, nitrogen thrihydride NH 3 . The gas can be condensed to a liquid by severe cooling and pressure. Ammonia is one of the valuable products made principally from natural gas CH 4 .
출처: www.toddenergy.co.nz/te/pages/tools/glossary.htm
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