- The
Quaternary (/kwəˈtɜːrnəri, ˈkwɒtərnɛri/ kwə-TUR-nə-ree, KWOT-ər-nerr-ee) is the
current and most
recent of the
three periods of the
Cenozoic Era in...
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Quaternary glaciation, also
known as the
Pleistocene glaciation, is an
alternating series of
glacial and
interglacial periods during the
Quaternary period...
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Aliphatic Alkyl Quaternaries (DDAC)". Epa739-R-06-008.
Zhang C, Cui F, Zeng GM,
Jiang M, Yang ZZ, Yu ZG, et al. (June 2015). "
Quaternary ammonium compounds...
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Quaternary geology is the
branch of
geology that
study developments from 2.58
million years ago to the present. In particular,
Quaternary geology study...
- a
quaternary compound is a
compound consisting of
exactly four
chemical elements. In
another use of the term in
organic chemistry, a
quaternary compound...
- The
quaternary prevention,
concept coined by the
Belgian general practitioner Marc Jamoulle,
Quaternary prevention is the set of
health activities to...
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Quaternary International is a peer-reviewed
scientific journal on
quaternary science published by
Elsevier on
behalf of the
International Union for Quaternary...
- The
quaternary sector of the
economy is
based upon the
economic activity that is ****ociated with
either the
intellectual or knowledge-based economy. This...
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Quaternary is a term used in
organic chemistry to
classify various types of
compounds (e. g.
amines and
ammonium salts).
Primary (chemistry) Secondary...
-
Quaternary science is the
subfield of
geology which studies the
Quaternary Period commonly known as the ice age. The
Quaternary Period is a time period...
