Results 201 to 210 of about 28,534 (260)

Controls on the southwest USA hydroclimate over the last six glacial-interglacial cycles. [PDF]

Nat Commun
Wendt KA, Carolin S, Buizert C, Steidle SD, Edwards RL, Moseley GE, Dublyansky Y, Cheng H, He C, Warner MSC, Spötl C.   +10 more
europepmc   +1 more source

Reconstructing Net Primary Productivity in Northern Greater Khingan Range Using Tree Rings. [PDF]

Plants (Basel)
Yang Y, Hua Y, Zhang Q, Wang F.
europepmc   +1 more source

²¹⁰Pb and ¹³⁷Cs dating models as tracers of recent sedimentary processes of the shallow lake under anthropogenic activity. [PDF]

Sci Rep
Imam N, Ghanem A, Nada A, Abu-Zeid H, Shetaia SA, Madcour WE.   +5 more
europepmc   +1 more source

A replication study in dendrochronology-revisiting the panels of two portraits of Rembrandt. [PDF]

Humanit Soc Sci Commun
Domínguez-Delmás M.
europepmc   +1 more source

Chronology of early China: A radiocarbon databank for Chinese archaeology. [PDF]

Sci Data
Qiu M, Du L, Staff R, Yan Z, Yan T, Cao H, Gosden C, Liu R, Dong G.   +8 more
europepmc   +1 more source

A failed human expansion out of Africa 100,000 years ago

Rose J, Garba R, Arnold L, Beshkani A, Bicho N, Černý V, Chlachula D, Dellmour R, Hallinan E, Kamenik J, Mahri AA, Mahrooqi AA, Meredith-Williams M, Samawi O, Usik V, Marks A.   +15 more
europepmc   +1 more source

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Chronology of Computing Devices

IEEE Transactions on Computers, 1976
A chronology of computing devices is given. It begins with the abacus and counting tables, and traces the development through desk calculators, analog computers, and finally stored program automatic digital computers. Significant dates relative to the development of the IEEE Computer Society are also given.
Harry D. Huskey, Velma R. Huskey
exaly   +3 more sources

Chronology of the Gene

Acta geneticae medicae et gemellologiae, 1971
SummaryThe switching of genes from the silent to the operating condition following a rigorous temporal sequence may be called “chronology of the gene”. The succession of times and its biocybernetic mechanism are peculiar to each species, but the duration of information exhibits wide intraspecific variations between populations, families, and ...
L, Gedda, G, Brenci
openaire   +2 more sources

The Chronology of PI

Mathematics Magazine, 1950
3000 B. C. The Pyramids (Egypt). 3 1/7(3.142857.....).The sides and heights of the pyramids of Cheops and of Sneferu at Gizeh are in the ratio 11:7, which makes the ratio of half the perimeter to the height 3 1/7. In 1853, H. C. Agnew, Esq., London, published a letter from Alexandria on evidence of this ratio found in the pyramids being connected or ...
openaire   +1 more source

AN ENIGMA CHRONOLOGY

Cryptologia, 1993
A list of important events in the making and breaking of the German Enigma cipher machine of World War II is given in the order of their occurrences.
openaire   +1 more source