نتایج جستجو برای: ceramic technology

تعداد نتایج: 489625  

2017
Beeta Ehdaie Chloe T Rento Veronica Son Sydney S Turner Amidou Samie Rebecca A Dillingham James A Smith

The World Health Organization (WHO) recognizes point-of-use water treatment (PoUWT) technologies as effective means to improve water quality. This paper investigates long-term performance and social acceptance of a novel PoUWT technology, a silver-infused ceramic tablet, in Limpopo Province, South Africa. When placed in a water storage container, the silver-embedded ceramic tablet releases silv...

2011
Vinay Chila Bachhav Meena Ajay Aras

PURPOSE Ceramics have a long history in fixed prosthodontics for achieving optimal esthetics and various materials have been used to improve ceramic core strength. However, there is a lack of information on how color is affected by fabrication procedure. The purpose of this study was to evaluate the effects of various dentin ceramic thicknesses and repeated firings on the color of zirconium oxi...

2007
Wanyin Ge Wenliang Zhu Masayuki Higashino Yongxiang Li Zhiguo Yi Giuseppe Pezzotti

Yongxiang Li and Zhiguo Yi State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China Giuseppe Pezzotti Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo-ku, Matsugasaki, 606-8585, Kyoto, Japan and Research Institute for Nanoscience (RIN) Kyoto Institute of Technology, Sakyo-k...

2002
YANG RAO JIREH YUE C. P. WONG

Embedded capacitor technology can improve electrical performance and reduce assembly cost compared with traditional discrete capacitor technology. Polymer–ceramic composites have been of great interest as embedded capacitor material because they combine the processability of polymers with the desired electrical properties of ceramics. A novel nano-structure polymer–ceramic composite with very h...

2008
Ján URBANČÍK Alena PIETRIKOVÁ Juraj BANSKÝ

In this contribution we deal with technology potential of the low temperature co-fired ceramic (LTCC) in association with design, development and production of organometallic thick film gas sensors. Customer demands to the gas sensors array and to the joint construction of the sensing part with evaluating ASIC led to the exploitation of LTCC potential in the production technology. The presented...

2006
Truls Norby Reidar Haugsrud

In the 1980s and 1990s, the development of oxygen ion conductors for solid electrolytes, as well as mixed oxygen–electron conductors as electrodes for solid oxide fuel cells, brought scientists to envision a possibility of mixed-conducting oxygenpermeable ceramic membranes. Today this field is well established, and ceramic membranes are close to implementation in processes for oxygen extraction...

2012
Rosidah Alias

The successful development and commercialization of high performance ceramic materials has attracted much attention especially for multilayer substrates using the Low Temperature Co-fired Ceramic (LTCC) technology. This technology has become a popular technology for automobiles and wireless communications due to the advantages of the excellent combination of electrical, thermal, mechanical and ...

2017
Mohamed Ahmed Salim

Frictional resistance is an important counterforce to orthodontic tooth movement during sliding mechanics. This study was carried out to evaluate the effect of ceramic bracket and ceramic bracket with metal slot -archwire‐ ligation combinations on “resistance to sliding” during simulated canine retraction on typodont model. The frictional resistance was tested between Ceramic brackets (3MUNITEK...

Journal: :The European Journal of Orthodontics 2010

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