| sulfur dioxide |
Acidic gas, formula SO 2 , formed in the combustion of many fuels and in the oxidation of naturally occurring sulfur gases. It is the primary sulfur gas emitted from combustion sources and is a precursor to sulfuric acid, which is a major constituent of acid rain.
Ãâó: amsglossary.allenpress.com/glossary/browse
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| sulfuric acid |
Strong acid, formula H 2 SO 4 , formed as the end product in the oxidation of most sulfur compounds. Sulfuric acid is a major constituent of acid rain associated with fossil fuel combustion. As a consequence of its low volatility, it can lead to particle formation, and is a major constituent of cloud condensation nuclei and the background aerosol, including the stratospheric sulfate layer.
Ãâó: amsglossary.allenpress.com/glossary/browse
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| sulfa drug |
A sulfonamide drug used to treat bacterial infections. These drugs inhibit the action of p-aminobenzoic acid, a substance bacteria need in order to reproduce. Sulfa drugs are now used primarily in the treatment of urinary tract infections and ulcerative colitis. In the HIV area, the sulfa drug sulfadiazine is used in combination with pyrimethamine as standard therapy for toxoplasmosis. Trimethoprim is used in combination with another sulfa drug, sulfamethoxazole, against PCP.
Ãâó: www.amfar.org/cgi-bin/iowa/bridge.html
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| sulfur dioxide |
A pungent, colorless, gaseous pollutant formed primarily by the combustion of fossil fuels.
Ãâó: www.nsc.org/ehc/glossar2.htm
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| sulfatide |
(noun) any cerebroside with a sulfate radical esterified to the galactose
Ãâó: www.orgsites.com/fl/adjuvantdisease/_pgg9.php3
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