搜索结果: 1-15 共查到“zirconia”相关记录47条 . 查询时间(0.257 秒)
Synthesis of 2-Substituted Benzimidazoles and 1,5-Disubstituted Benzodiazepines on Alumina and Zirconia Catalysts（图）
2-substituted benzimidazoles 1,5-disubstituted benzodiazepines manganese oxide alumina zirconia
2013/10/8
In this study, alumina, zirconia, manganese oxide/alumina, and manganese oxide/zirconia have been investigated for their catalytic activity in the condensation reaction between o-phenylenediamine and ...
Nanosized Unsupported and Alumina-Supported Ceria-Zirconia and Ceria-Terbia Solid Solutions for CO Oxidation（图）
ceria zirconia terbia alumina-support deposition coprecipitation CO oxidation
2013/10/13
Ceria-zirconia (CZ) and ceria-terbia (CT) and alumina-supported ceria-zirconia (CZA) and ceria-terbia (CTA) solid solutions were synthesized by coprecipitation and deposition precipitation methods, re...
Enhancing Ionic Conductivity of Bulk Single Crystal Yttria-Stabilized Zirconia by Tailoring Dopant Distribution
Ionic Conductivity of Bulk Single Crystal Dopant Distribution
2010/11/19
We present an ab-initio based kinetic Monte Carlo model for ionic conductivity in single crystal yttria-stabilized zirconia. Ionic interactions are taken into account by combining density functional t...
Enhancing Ionic Conductivity of Bulk Single Crystal Yttria-Stabilized Zirconia by Tailoring Dopant Distribution
Enhancing Ionic Conductivity Single Crystal Yttria-Stabilized Zirconia
2010/11/17
We present an ab-initio based kinetic Monte Carlo model for ionic conductivity in single crystal yttria-stabilized zirconia. Ionic interactions are taken into account by combining density functional ...
Comparative Study Between Dispersive and Non-Dispersive Dielectric Permittivity in Spectral Remittances of Chiral Sculptured Zirconia Thin Films
Comparative Study Dispersive and Non-Dispersive Dielectric Permittivity Spectral Remittances
2010/11/12
The transmission and reflection spectra from a right-handed chiral sculptured zirconia thin film are calculated using the piecewise homogeneity approximation method and the Bruggeman homogenization fo...
Spectral Remittances of Chiral Sculptured Zirconia Thin Films in Non-axial propagation
Spectral Remittances Chiral Sculptured Zirconia Thin Films Non-axial propagation
2010/11/12
The transmission and reflection spectra from a right-handed chiral sculptured zirconia thin film are calculated using the piecewise homogeneity approximation method and the Bruggeman homogenization fo...
Surface damages of zirconia by Nd:YAG dental laser irradiation
Zirconia Damage Nd:YAG Laser Welding
2010/11/30
The purpose of this study was to characterize the surface damages of zirconia by Nd:YAG dental laser irradiation through a systematic evaluation of the associated microstructural changes. Disk specime...
Zirconia ceramic post systems: a literature review and a case report
Zirconia post Clinical experience In vitro studies
2010/11/26
Cast metal post-core systems have a long history of successful use because of their superior physical properties. However, their high elastic modulus can cause stress concentrations within the surroun...
In vitro evaluation of shear bond strength of veneering ceramics to zirconia
Delamination Veneer Zirconia
2010/11/26
The bond strength between veneering ceramic and zirconia framework is the weakest link in the layered structure. To investigate the shear bond strength (SBS) of veneering ceramics to zirconia, four ty...
Effect of surface treatments on the bond strength of a zirconia-reinforced ceramic to composite resin
Ceramics Composite resins Tensile strength Shear strength
2009/10/16
The objective of this study was to evaluate the tensile (st) and shear bond strength (ss) of a glass-infiltrated alumina-based zirconia-reinforced ceramic (IZ - Vita In-Ceram Zirconia) to a composite ...
Adhesive cementation of zirconia posts to root dentin: evaluation of the mechanical cycling effect
Post and core technique Ceramics Stress mechanical Bond strength
2009/10/16
This study evaluated the effect of mechanical cycling on the bond strength of zirconia posts to root dentin. Thirty single-rooted human teeth were transversally sectioned to a length of 16 mm. The can...
Preparation of Homogeneous Feedstocks for Injection Moulding of Zirconia-Based Ceramics
Feedstock Mixing Injection Moulding Zirconia
2009/10/13
In this study, a new method for preparing homogeneous feedstocks for injection moulding of ZrO2
ceramics was developed and explained in detail. Mixture homogeneity on a large scale was assessed by me...
Effects of Alumina-blasting and Adhesive Primers on Bonding between Resin Luting Agent and Zirconia Ceramics
Zirconia ceramic Resin luting agent Bond strength
2009/9/15
This study evaluated the effect of alumina-blasting and three commercial adhesive primers on the shear bond strength of a dual-cured resin luting agent to zirconia ceramics. Two different-sized zircon...
Effect of Surface Condition of Dental Zirconia Ceramic (Denzir) on Bonding
Bonding strength Surface treatment
2009/9/15
Yttria partially stabilized zirconia (YPSZ) ceramics are suitable for dental and medical use because of their high fracture toughness and chemical durability. The purpose of this study was to examine ...
Effect of Sintering on the Marginal and Internal Fit of CAD/CAM-fabricated Zirconia Frameworks
Zirconia ceramics CAD/CAM system Framework
2009/9/14
The aim of this study was to investigate the effect of post-machining sintering on marginal and internal fit of CAD/CAM-fabricated zirconia frameworks. Single crown copings (A: abutment), three-unit b...