- 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...
- also
refer to:
Quaternary (chemistry) (see also
Quaternary compound and
Quaternary phase)
Quaternary structure of
proteins Quaternary sector of the economy...
-
Quaternary glaciation, also
known as the
Pleistocene glaciation, is an
alternating series of
glacial and
interglacial periods during the
Quaternary period...
- In
organic chemistry,
quaternary ammonium cations, also
known as quats, are positively-charged
polyatomic ions of the
structure [NR4]+,
where R is an alkyl...
-
Pleistocene together form the
Quaternary period. The
Holocene is an
interglacial period within the
ongoing glacial cycles of the
Quaternary, and is
equivalent to...
- mid-late Holocene, such as
those on
Madagascar and New Zealand, as the Late
Quaternary extinction event. The Late
Pleistocene saw the
extinction of many mammals...
-
Quaternary geology is the
branch of
geology that
study developments from 2.58
million years ago to the present. In particular,
Quaternary geology study...
-
Quaternary /kwəˈtɜːrnəri/ is a
numeral system with four as its base. It uses the
digits 0, 1, 2, and 3 to
represent any real number.
Conversion from binary...
-
Protein quaternary structure is the
fourth (and highest)
classification level of
protein structure.
Protein quaternary structure refers to the structure...
-
Period 23.04
million years ago (Mya) to the
beginning of the
present Quaternary Period 2.58
million years ago. It is the
second period of the Cenozoic...
