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Of or being a society or culture prior to the use of ceramics or pottery.
References in periodicals archive ?
The eggs of the Pacific broad tapeworm were reported from Preceramic cultures in Peru (2850-2500 bce) in Huarmey Valley and Huaca Prieta (7), as well as from Ceramic cultures (5).
Comments on the mainland origins of the Preceramic cultures of the Greater Antilles.
No obvious weight loss was observed in the temperature of 800-1200[degrees]C as for the polyborazine/P-ddm thermosets, indicating that the carbonizing process is completed for the preceramic polymer modified thermosets.
Starch grain evidence for the preceramic dispersals of maize and root crops into tropical dry and humid forests of Panama.
The four skeletons found in the Quintana Roo caves "reveal migrations from southeastern Asia that were prior to the ones we knew about before, such as the Clovis migrations that probably came from northern Asia over the Bering Strait at the end of the Ice Age," says Arturo Gonzalez, Director of the Museo del Desierto de Coahuila and coordinator of a study on Preceramic Man in the Yucatan Peninsula.
They explain the development of polymer derived ceramics, the synthesis and properties of preceramic polymers, microstructure evolution and characterization, properties, processing and applications, and novel developments for future research.
Together with Spondylus princeps (Broderip 1833), it was highly valued and traded by Mesoamerican cultures since the Preceramic period (12,000-1,800 BC), prized for its ornamental value and used in offerings and religious rituals (Pillsbury 1996, Donkin 1998).
Researchers created the coating by mixing a liquid preceramic polymer with aluminum metal-flake powders to form a slurry that can be applied to a metal object by dipping, painting, or air-spraying.
Rick, JW 1987, 'Dates as data: an examination of the Peruvian preceramic radiocarbon record', American Antiquity 52:55-73.
We are left with a very rich and varied group of contributions dealing with the period from the beginnings of monumental architecture in the region during the Preceramic Period, at around 2200 BC, and ending with the beginnings of Inka imperial rule around AD 1430.
Organometallic polyelectrolytes offer the possibility of creating tailored assemblies with interesting redox, conductive, magnetic or preceramic properties.
The phosphor particles used in this study emit green light (550 nm) and are composed of ytterbium and erbium as respective absorber and emitter ions embedded in a preceramic matrix.