| nictitating membrane |
A clear, third eyelid in reptiles, birds, and some mammals.
출처: www.natureshift.org/rangerR/glossary.html
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| nickel |
One of the most widely used alloying elements in steel. In amounts of 0.50% to 5.00% its use in alloy steels increases the toughness and tensile strength without detrimental effect on the ductility. Nickel also increases the hardenability.
출처: www.niagaralasalle.com/products/reference/glossary...
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| niche |
The location and role or job for which a species is well suited within its community, including its habitat, what it eats, its activities, and its interaction with other living things
출처: www.planetpals.com/ecodictionary.html
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| niche |
the unique environment or set of ecological conditions in which a specific plant or animal species occurs, and the function the organism serves within that ecosystem.
출처: www.sfrc.ufl.edu/Extension/ssfor11.htm
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| nickel |
A metal used in alloys to provide corrosion and heat resistance for products in the iron, steel and aerospace industries. Nickel is used as a catalyst in the chemical industry. It is toxic and, in some forms, is listed as a cancer-causing agent under Proposition 65.
출처: www.sbcfire.org/hazmat/env_terms.asp
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