| nitrogen |
a common typically colorless, odorless, tasteless gas that constitutes 78 percent of Earth's atmosphere, is a part of all living tissues and important for plant growth. Found in many commercial fertilizers, it is often washed through a watershed into streams or rivers where large amounts can act as a pollutant.
출처: www.pbs.org/strangedays/glossary/N.html
|
|---|---|
| nitroglycerin |
A medication used to relax and dilate the blood vessels (vasodilator), improving blood flow. Nitroglycerin works very quickly and is the most common vasodilator used to treat angina (chest discomfort).
출처: www.clevelandclinic.org/heartcenter/pub/glossary/n...
|
| nitrogen fixation |
the conversion of gaseous nitrogen into more complex molecules that can be used by plants and other organisms; often carried out by micro-organisms in the soil or closely associated with some plant species (eg the legumes or pea relatives)
출처: www.deh.gov.au/soe/2001/land/glossary.html
|
| nitrogen |
(N, #7) a colorless and odorless elemental gas that makes up about 80% of the atmosphere
출처: www.msnucleus.org/membership/html/k-6/rc/dictionar...
|
| nitrosamine |
Any of a class of organic compounds with the general formula R2NNO or RNHNO, present in various foods and other products and found to be carcinogenic in laboratory animals.
출처: dictionary.rare-cancer.org/dictionary.php
|