Atmospheric chemistry

Atmospheric chemistry

A scientific study of the chemistry of the Earth's atmosphere and that of other planets.

Industry: Chemistry; Weather

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Atmospheric chemistry

montreal protocol

Chemistry; Atmospheric chemistry

A international environmental agreement (one of the first) to prevent the use of substances that are harmful to ozone, such as chlorofluorocarbons and halons, in order to protect the ozone layer in a ...

tetradecane

Chemistry; Atmospheric chemistry

A light, oily hydrocarbon with a melting point of 5. 89 degrees C and a boiling point of 253. 7C. As a gas-phase pollutant it is inactive as a human contact allergen.

midocean ridge

Chemistry; Atmospheric chemistry

A major, elevated, linear feature of the seafloor, consisting of many small, slightly offset segments, with a total length of 200 to 200,000 km. This type of plate boundary occurs in a divergence ...

quantum yield

Chemistry; Atmospheric chemistry

A measure of how efficient an emission process is. The quantum yield is a ratio of absorbed photons and photons used up in the chemical process. Quantum yield is usually dependent on temperature, ...

opacity

Chemistry; Atmospheric chemistry

A measure of light blocking by atmospheric particles.

extinction coefficient

Chemistry; Atmospheric chemistry

A measure of the rate of the reduction of transmitted light through a substance.

indoor air quality

Chemistry; Atmospheric chemistry

A measure of the value or comfort of people with the air they breathe inside buildings and homes. "Suitable" indoor air quality can conferred on air in which there are no known contaminants at ...