Results 71 to 80 of about 178,327 (356)

Performa porselen fusi logam dan porselen penuh

Performance of metal fusion and pure porcelain

open access: yesJurnal Kedokteran Gigi Universitas Padjadjaran, 2017
Pendahuluan: Permintaan porselen sebagai salah satu bahan restorasi kedokteran gigi semakin meningkat. Secara umum, praktisi mengetahui bahwa terdapat dua jenis porselen yang dapat dipesan dari laboratorium kedokteran gigi yaitu porselen fusi logam dan ...
Joseph Gunawan   +2 more
doaj   +1 more source

Shear bond strength of orthodontic brackets to porcelain surface using universal adhesive compared to conventional method

open access: yesDental Research Journal, 2020
Background: Considering the increase in demand for orthodontic treatment in adults, bracket bond to restored teeth is a clinical challenge. This study sought to compare the shear bond strength (SBS) of orthodontic brackets to feldspathic porcelain using ...
Soodeh Tahmasbi   +2 more
doaj   +1 more source

Investigation of spodumene-bearing rock as a flux for bone china production [PDF]

open access: yesMaterials Research, 2013
The use of a waste from mineral processing, a spodumene-bearing rock, was investigated as a flux for bone china composition, partially replacing feldspar. The effect of lithium oxide in bone china body was favorable for reducing firing temperature.
L. A. Carus, S. R. Bragança
doaj   +1 more source

Bernard Leach: graphic artist [PDF]

open access: yes, 2010
Bernard Leach was one of the first, great, donors to the emerging Crafts Study Centre. He donated a substantial body of his own ceramics, including rare early pieces; he also gifted his personal study collection of Oriental ceramics and early English ...
Vacher, Jean
core   +1 more source

Feasibility study on application of microwave radiometry to monitor contamination level on insulator materials [PDF]

open access: yes, 2016
This paper introduces a novel method for monitoring contamination levels on high voltage insulators based on microwave radiometry. Present contamination monitoring solutions for high voltage insulators are only effective in predicting flashover risk when
Jiang, Y.   +5 more
core   +2 more sources

Multiscale Study of a Synergistic System in Carbon‐Coated Multimetal‐Based Selenides Toward Rapid and Highly Stable Sodium Storage

open access: yesRare Metals, EarlyView.
ABSTRACT The development of sodium‐ion batteries (SIBs) is limited by slow charge transfer kinetics and large material volume changes caused by the large radius of Na+. Leveraging the excellent physicochemical properties and unique heterostructures of metal selenides, ultrafine hetero‐CuFeSe2‐CoSe2 nanoparticles are in situ wrapped by ...
Ying Zhu   +5 more
wiley   +1 more source

Flexural strength comparison of self-synthesised porcelain with the sintering temperature of 1150 degree Celsius and 1200 degree Celsius

open access: yesPadjadjaran Journal of Dentistry, 2018
Introduction: Porcelain must have sufficient flexural strength to withstand mastication forces. The flexural strength of porcelain can be influenced by the maturity level of porcelain related to the temperature and sintering time.
Joseph Gunawan   +3 more
doaj   +1 more source

Bimetallic Mo/Fe‐Doped CoP2 Nanoleaf Array as a Bifunctional Electrocatalyst for Overall Water Splitting

open access: yesRare Metals, EarlyView.
ABSTRACT The development of efficient and stable bifunctional catalysts remains a key challenge for green hydrogen production via electrochemical water splitting. In this study, a bimetallic Mo/Fe‐doped CoP2 nanoleaf array anchored on carbon cloth (Mo, Fe‐CoP2@CC) was synthesized from zeolitic imidazolate framework‐L (ZIF‐L) via an ion‐exchange and low‐
Xiangqun Zeng   +6 more
wiley   +1 more source

Unraveling Surface Reconstruction of MOF‐Derived La, P‐Co3O4 for Energy‐Efficient Water and Urea Electrolysis

open access: yesSmall Methods, EarlyView.
Enhanced OER by surface reconstruction: The dopant promotes surface reconstruction and surface oxygen vacancies, which enhance electrochemical activity, charge transfer, and stability, resulting in improved water and urea electrolysis. Abstract Constructing robust electrocatalysts and shedding light on the processes of surface reconstruction is crucial
Bharathi Arumugam   +8 more
wiley   +1 more source

Platinum Group Element Traces of CAMP Volcanism Associated With Low‐Latitude Environmental and Biological Disruptions

open access: yesGeophysical Monograph Series, Page 263-304., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jessica H. Whiteside   +3 more
wiley  

+1 more source

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