- 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...
-
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 glaciation, also
known as the
Pleistocene glaciation, is an
alternating series of
glacial and
interglacial periods during the
Quaternary period...
- also
refer to:
Quaternary (chemistry) (see also
Quaternary compound and
Quaternary phase)
Quaternary structure of
proteins Quaternary sector of the economy...
-
Quaternary geology is the
branch of
geology that
study developments from 2.58
million years ago to the present. In particular,
Quaternary geology study...
-
Postgraduate education,
graduate education, or
graduate school consists of
academic or
professional degrees, certificates, diplomas, or
other qualifications...
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Twins are two
offspring produced by the same pregnancy.
Twins can be
either monozygotic ('identical'),
meaning that they
develop from one zygote, which...
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Pleistocene together form the
Quaternary period. The
Holocene is an
interglacial period within the
ongoing glacial cycles of the
Quaternary, and is
equivalent to...
- a
quaternary compound is a
compound consisting of
exactly four
chemical elements. In
another use of the term in
organic chemistry, a
quaternary compound...
-
tertiary colors. A
quaternary color is a seldom-used
descriptor that is the
conceptual extension of a
tertiary color.
Quaternary colors have no special...
