| precursor |
A chemical compound which is released into the atmosphere, undergoes a chemical change, and leads to a new (secondary) pollutant. VOCs are precursors to ozone.
출처: www.etfinancial.com/coatingsgloss.htm
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|---|---|
| precursor |
Plants make phytochemicals by starting with one chemical, a 'parent compound,' and changing it into another, called a 'derivative' -- meaning 'derived from the parent compound.' There is a sometimes lengthy series of chemical transformations where the original molecule changes shapes, splits up, or joins with other molecules or atoms on the way to becoming the derivative. Biochemists call this chain of transformative relationships a 'pathway. ...
출처: www.herbalchem.net/Glossary.htm
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| precursory c. |
temporary c.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| precursory s. |
signal s.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| precursor |
something in a stage or a process that precedes a later stage.
출처: www.cervicalscreen.health.gov.au/glossary/
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