Results 91 to 100 of about 64,269 (303)

Using MALDI‐FTICR Mass Spectrometry to Enhance ZooMS Identifications of Pleistocene Bone Fragments Showing Variable Collagen Preservation

open access: yesRapid Communications in Mass Spectrometry, EarlyView.
ABSTRACT Rationale Recent advances in high‐throughput molecular analyses of collagen peptides, especially ZooMS (Zooarchaeology by Mass Spectrometry), have permitted breakthroughs in the analysis of archaeological material that is highly fragmented, a factor that hinders morphological identification.
Pauline Raymond   +8 more
wiley   +1 more source

Radiocarbon geochronology of the sediments of the São Paulo Bight (southern Brazilian upper margin)

open access: yesAnais da Academia Brasileira de Ciências, 2011
The aim of this work was to generate an inventory of the data on radiocarbon datings obtained from sediments of the São Paulo Bight (southern Brazilian upper margin) and to analyze the data in terms of Late Quaternary sedimentary processes and ...
Michel M. Mahiques   +8 more
doaj  

Lyon natural radiocarbon measurements IV.

open access: yes, 1973
Geologic and archaeologic samples from France; for part 3 see Radiocarbon (Amer. J. Sci.), Vol. 15, p.
Marien, G, Pachiaudi, Ch, Evin, J
core  

A reappraisal of the Middle to Later Stone Age prehistory of Morocco Réévaluer la préhistoire du Maroc, du Middle Stone Age au Later Stone Age

open access: yesJournal of the Royal Anthropological Institute, EarlyView.
Over the last 25 years, perceptions of the early prehistory of Northwest Africa have undergone radical changes due to new fieldwork projects and a corresponding growth in scientific interest in the region. Much of this work has been focused in Morocco, known for its extremely rich fossil and archaeological records in caves and rock shelters.
Nick Barton   +3 more
wiley   +1 more source

The German Market Introduction Program for Biobased Lubricants

open access: yesTribology Online, 2010
In order to promote biobased lubricants, the German government has supported the conversion of existing or new equipment from mineral oil to biobased oil through financial grants, technical advice, and publicity, during the years 2001 through 2008.
Heinrich Theissen
doaj   +1 more source

University of Wisconsin radiocarbon dates IV.

open access: yes, 1968
Radiocarbon dates obtained since November 1966 are summarized for archeologic samples from Wisconsin, Illinois, and Oklahoma; and geologic samples from Iowa, Manitoba, and Northwest ...
Bender, Margaret M   +2 more
core   +1 more source

The Early Upper Palaeolithic in British caves: problems and potential Le Paléolithique supérieur ancien dans les grottes de Grande‐Bretagne : problèmes et potentiels

open access: yesJournal of the Royal Anthropological Institute, EarlyView.
Recent years have seen landmark progress in our understanding of early Homo sapiens occupation of Europe, owing to new excavations and the application of new analytical methods. Research on British sites, however, continues to lag. This is because of limitations inherent in existing cave collections, and limited options for new fieldwork at known sites.
Robert Dinnis
wiley   +1 more source

The Radiocarbon Data Base at Rudjer Bošković Institute Radiocarbon Laboratory [PDF]

open access: yesRadiocarbon, 1989
A multidisciplinary radiocarbon data base system written in dBASE III PLUS which follows the recommendations of the International Database Commission and specific requirements of our laboratory is described. The system updates, stores and maintains records and retrieves data according to specific key-words.
openaire   +2 more sources

RIKEN natural radiocarbon measurements I.

open access: yes, 1964
Radiocarbon ages obtained in the Institute of Physical and Chemical Research (RIKEN), Tokyo, for geologic and archeologic samples from various localities in Japan are ...
Yamasaki, Fumio, Hamada, T, Fujiyama, C
core  

125 years of exploration and research at Gough's Cave (Somerset, UK) 125 ans d'exploration et de recherches à Gough's Cave (Somerset, Royaume‐Uni)

open access: yesJournal of the Royal Anthropological Institute, EarlyView.
Our understanding of the recolonization of northwest Europe in the period leading up to the Lateglacial Interstadial relies heavily on discoveries from Gough's Cave (Somerset, UK). Gough's Cave is the richest Late Upper Palaeolithic site in the British Isles, yielding an exceptional array of human remains, stone and organic artefacts, and butchered ...
Silvia M. Bello   +2 more
wiley   +1 more source

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