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| Terms for subject Environment (19617 entries) |
| nissi | niche | |
| nitraatti | nitrate (Any salt or ester of nitric acid, such as sodium nitrate) | |
| nitraatti-ja nitriittityppi | total oxidized nitrogen | |
| nitraattipitoisuus | nitrate level | |
| nitraattitaso | nitrate level | |
| nitraattityppi | nitric nitrogen | |
| nitratoiva alue | nitrifying zone | |
| nitrifikaatio | nitrification | |
| nitrifikaatio | nitrification (The process by which ammonia compounds, including man-made fertilizer and the humus provided by organic matter or plant and animal origin, are converted into nitrites and then nitrates, which are then absorbed as a nutrient by crops. Excess nitrate can be leached into surface waters and groundwaters, causing pollution. Excess nitrate may also be converted by microbes back into gaseous nitrogen, which is an important greenhouse gas, and released back into the atmosphere. The ultimate source of nitrogen in the ecosystem is the molecular nitrogen in the atmosphere. To a very limited extent, some dissolves in water. However, none is found in rock) | |
| nitriitit | nitrite (A salt or ester of nitric acid, included in compounds such as potassium nitrite, sodium nitrite and butyl nitrite) | |
| nitriitit | nitrite | |
| nitrosamiini | nitrosamine (Any one of a class of neutral, usually yellow oily compounds containing the divalent group = NNO) | |
| nitroyhdiste | nitro compound | |
| nitroyhdiste | nitro compound (Any one of a class of usually organic compounds that contain the monovalent group, -NO2 (nitro group or radical) linked to a carbon atom) | |
| niukka-keskiravinteinen vesi | oligo-mesotrophic water | |
| niveljalkaiset | Articulata | |
| niveljalkaiset | arthropod | |
| niveljalkaiset | arthropods | |
| niveljalkaiset | arthropod (The largest phylum in the animal kingdom; adults typically have segmented body, a sclerotized integument, and many-jointed segmental limbs) | |
| niveljalkaiset | Articulata (Animals characterized by the repetition of similar segments (metameres), exhibited especially by arthropods, annelids, and vertebrates in early embryonic stages and in certain specialized adult structures) |