نتایج جستجو برای: glazed ceramic
تعداد نتایج: 23823 فیلتر نتایج به سال:
Abstract Glass-based pigments have an important role in the panorama of artistic production due to fact that their manufacturing processes involve a combination different skills and understanding, they disciplines ranging from glass technology metallurgy, glazed ceramic stone imitation vitreous mosaic tesserae painting materials. The main goal this manuscript is present critical review literatu...
Researchers at the University of California at Irvine have recently completed a three-year project to assess lead exposure in more than 1,719 children in Tijuana, Mexico, and launch a lead prevention public health program there. Besides already producing positive effects in Tijuana, researchers say, the program could eventually lower the risk of lead poisoning among migrant children in the Unit...
OBJECTIVES This study evaluated the effects of different surface conditioning methods on the bond strength of orthodontic brackets to glazed full-zirconia surfaces. MATERIALS AND METHODS Glazed zirconia (except for the control, Zirkonzahn Prettau) disc surfaces were pre-treated: PO (control), polishing; BR, bur roughening; PP, cleaning with a prophy cup and pumice; HF, hydrofluoric acid etchi...
In the study, firstly, heat transfer coefficients of windows were calculated according to highest and lowest emissivity values. Secondly, monthly average solar radiation values determined. The coefficient for double, triple quadruple glass windows. Thirdly, in south, north east/west directions five climatic zones multiplied by shading factor, surface area energy factor discrete buildings. Thus,...
OBJECTIVES This study evaluated the failure and fracture resistance of zirconia-based fixed partial dentures (FPDs) under the influence of different surface treatments and adjustment procedures. METHODS Seven groups (n=8/group) of three-unit zirconia-based FPDs were fabricated in anatomic design (AD) or anatomically reduced design (ARD) and surfaces were prepared according to clinical relevan...
We report on the interpretation of a late medieval Eastern Mediterranean glazed ceramic vessel with sgraffito decoration depicting sailing ship. The artefact represents chance find that was recovered outside excavation area Ropotamo underwater archaeological excavations Southern Bulgarian Black Sea Coast in 2017. Fragments sgraffito-decorated ceramics depictions ships are rare. Complete example...
Statement of Problem: Ceramic restorations are popular because they can provide the most natural replacement for teeth. However, the brittleness of ceramics is a primary disadvantage. There are various methods for strengthening ceramics such as metal framework, ceramic cores, and surface strengthening mechanisms through glazing, work hardening and ion exchange. Purpose: The purpose of this stud...
This study attempts to take aspects of pottery technology into account while concentrating on the blue pigment and glaze recipes various kinds glazed types; that is say, Iznik ware, Kütahya Miletus fritware, porcelain, polychrome monochrome ware were collected from a rescue excavation site within Castle Mytilene in Lesvos Island, Greece. The decoration, surface treatment, production investigate...
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