Results 81 to 90 of about 178,327 (356)

X-Ray diffraction and scanning electron microscopy-energy dispersive spectroscopic analysis of ceramõmetal interface at different firing temperatures

open access: yesContemporary Clinical Dentistry, 2010
Objective: Porcelain chipping from porcelain fused to metal restoration has been Achilles heel till date. There has been advent of newer ceramics in past but but none of them has been a panacea for Porcelain fracture.
Monika Saini   +4 more
doaj   +1 more source

Porcelain Gallbladder: Decoding the malignant truth.

open access: yesSultan Qaboos University Medical Journal, 2016
Gallbladder calcification, also referred to as porcelain gallbladder, has received significant attention in the medical literature due to its perceived role in increasing the risk of developing a gallbladder carcinoma.
N. Machado
semanticscholar   +1 more source

Study on the Impact of Contamination Containing High Proportions of Metals on the AC Flashover Characteristics of Insulators

open access: yesHigh Voltage, EarlyView.
ABSTRACT In heavy metal industrial areas, the issue of insulation flashover caused by metal contamination on the external insulation of transmission lines has become increasingly prominent. This paper investigates the U160B/155 porcelain insulator, examining how iron, copper and zinc metal contaminations affect its AC flashover characteristics ...
Zhijin Zhang   +5 more
wiley   +1 more source

“Porcelain of the Second Row”: Interior Plastic Art Factories and their Role in the Development of the Leningrad Art Industry in the 1950s

open access: yesИзвестия Уральского федерального университета. Серия 2: Гуманитарные науки
This article presents an analysis of the activities of the Leningrad art industry enterprises of the 1950s, which produced a range of interior porcelain products.
Olga Sergeevna Sapanzha
doaj   +1 more source

Analysis of Plots and Sources of Orientalist Motifs in Russian Porcelain of the 18th–19th Centuries

open access: yesИзвестия Уральского федерального университета. Серия 2: Гуманитарные науки, 2019
This article examines subjects and decorative sources of orientalism in Russian porcelain of the 18th and 19th centuries. It seems important to single out stages of the incremental development of orientalist motifs in Russian porcelain and describe their
Maria Nikolaevna Tsybizova   +1 more
doaj   +1 more source

Dynamic Bayesian Network for Continuous Health Index Estimation and Condition Assessment of Power Transformers

open access: yesHigh Voltage, EarlyView.
ABSTRACT To address the limitations of traditional transformer health index (HI), such as high dependence on data integrity and inability to assist in diagnosing latent faults, this study proposes an HI prediction method based on dynamic Bayesian network (DBN).
Shuaibing Li   +3 more
wiley   +1 more source

EFFECT OF REPEATED FIRING OF PORCELAIN FUSED TO METAL ON PORCELAIN COLOR CHANGE

open access: yesJournal of Vocational Health Studies
Background: The color of the porcelain surface is the main criterion for achieving perfect aesthetics. A factor that influences the color is the amount of firing of the porcelain.
Tarsilah Tarsilah   +2 more
doaj   +1 more source

Resistance to Fracture of Two All-Ceramic Crown Materials Following Endodontic Access [PDF]

open access: yes, 2006
Statement of problem There is currently no protocol for managing endodontic access openings for all-ceramic crowns. A direct restorative material is generally used to repair the access opening, rendering a repaired crown as the definitive restoration ...
Berzins, David W.   +5 more
core   +1 more source

Low-Fusing Porcelain Glaze Application on 3Y-TZP Surfaces can Enhance Zirconia-Porcelain Adhesion.

open access: yesBrazilian Dental Journal, 2016
The aim of this study was to assess whether surface treatment improves zirconia-porcelain adhesion. The 3Y-TZP blocks were cut into squares, then polished and sintered.
L. T. Yamamoto   +5 more
semanticscholar   +1 more source

Surface Flashover in 50 Years: III. Extreme Environments and Industrial Challenges

open access: yesHigh Voltage, EarlyView.
ABSTRACT Modern high‐voltage electrical equipment operates in complex environments where surface conditions are subjected to multifaceted influences from electric fields, thermal gradients, contaminants, irradiation and other extreme environmental factors.
Zhen Li   +6 more
wiley   +1 more source

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