Results 51 to 60 of about 2,205,808 (257)

(INVITED)Laser-driven white light with tunable low-colour temperature based on novel ZrO2-doped (Gd,Lu)2O3:Eu red-emitting transparent ceramics

open access: yesOptical Materials: X, 2022
Novel red-emitting ZrO2-doped (Gd,Lu)2O3:Eu transparent fluorescent ceramics were fabricated via a vacuum sintering method. The f–f transitions of Eu3+ in the ZrO2-doped (Gd,Lu)2O3:Eu transparent fluorescent ceramics have much higher intensity than the ...
Yupu Tang   +6 more
doaj   +1 more source

Documentation of Ancestral Caddo Ceramic Vessels from Sites in Red River County, Texas [PDF]

open access: yes, 2017
The vessel collections at the Texas Archeological Research Laboratory at The University of Texas (TARL) have ancestral Caddo vessels from a number of sites along the Red River in the Mound Prairie area.
Perttula, Timothy K.
core   +1 more source

In vitro study of color stability of polycrystalline and monocrystalline ceramic brackets

open access: yesDental Press Journal of Orthodontics, 2014
OBJECTIVE: The aim of this in vitro study was to analyze color stability of monocrystalline and polycrystalline ceramic brackets after immersion in dye solutions.
Cibele Braga de Oliveira   +3 more
doaj   +1 more source

Coles Creek Culture and the Trans-Mississippi South [PDF]

open access: yes, 1991
Certain Lower Mississippi Valley (LMV) traits, mostly Coles Creek ceramic traits, but also traits such as temple mounds and certain mortuary patterns, appear at Late Fourche Maline and Early Caddo sites in the Trans-Mississippi South, particularly at ...
Schambach, Frank F.
core   +1 more source

Red mud in high-strength ceramics production

open access: yesVestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture
The work is devoted to the creation of high-strength ceramic materials with technogenic waste fillers.Purpose: Investigation of the ceramic and composite production based on chemical and metallurgical wastes to create new types of high quality constructional ceramics.Methodology/approach: The use of refractory clay with the addition of high-iron ...
T. V. Vakalova   +4 more
openaire   +1 more source

Artifacts in the Raymond Powell Collection from East Texas [PDF]

open access: yes, 2012
In March 2010, Raymond Powell of Mansfield, Louisiana, allowed the examination and photographic documentation of several artifacts in his possession. The specimens were given to him approximately 60 years ago by a friend who reportedly excavated them ...
Girard, Jeffery S., Perttula, Timothy K.
core   +1 more source

Analysis of the Prehistoric Caddo Ceramics from 41LR351, Lamar County, Texas [PDF]

open access: yes, 2010
Site 41LR351 was first recorded during the 2005 Texas Archeological Society summer field school on the Stallings Ranch in Lamar County, Texas. This prehistoric site is on a natural knoll (420-430 feet amsl) in the headwaters of Pine Creek, a northward ...
Perttula, Timothy K.
core   +1 more source

Characterization and Evaluation of Ceramic Properties with Spherical and Prismatic Samples of Clay Used in Red Ceramics [PDF]

open access: yesMaterials Research, 2017
The Brazilian red ceramic industry monthly consumes about 10.3 million tons of clay, its main raw material. In most potteries, characterization of the clay is made empirically, which can result in roof tiles and blocks not according to standards. In this
Alessandra Savazzini-Reis   +4 more
doaj   +2 more sources

Caddo Ceramic Vessels from the S. E. Watson (41RR8) and Hook’s Ferry (41RR9) Sites, Red River County, Texas [PDF]

open access: yes, 2016
There are 15 ancestral Caddo ceramic vessels from the S. E. Watson (n=13) and Hook’s Ferry (n=2) sites in the collections of the Texas Archeological Research Laboratory at The University of Texas at Austin. The S. E.
Perttula, Timothy K., Walters, Mark
core   +1 more source

Can the chlorhexidine gluconate solution potentiate the staining of polycrystalline ceramic brackets?

open access: yesBrazilian Journal of Oral Sciences, 2019
Aim: The present study aimed to assess, in vitro, the effect of chlorhexidine on the potentiation of polycrystalline ceramic bracket staining. Methods: Seventy-two polycrystalline ceramic brackets of upper right central incisors were divided into six ...
Catharina e Silva Monteiro Barros   +5 more
doaj   +1 more source

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