Results 41 to 50 of about 266,322 (336)

Characteristics of Periodontal Tissues in Prosthetic Treatment with Fixed Dental Prostheses

open access: yesMolecules, 2021
The objective of the present study was to investigate the effects of various types of fixed prostheses on periodontal tissues and explore the association of gingival biotype and gum recession in relation to prosthesis types.
Anna Avetisyan   +7 more
doaj   +1 more source

Superior removal of arsenic from water with zirconium metal-organic framework UiO-66 [PDF]

open access: yes, 2015
10.1038/srep16613Scientific ...
Chen, JP, Li, K, Liu, X, Wang, C
core   +1 more source

A Study on the Influence of Zr on the Strengthening of the Al-10% Al2O3 Composite Obtained by Mechanical Alloying

open access: yesMetals, 2023
Al2O3 is a traditional strengthening phase in aluminum matrix composites due to its high hardness and melting point. At the same time, zirconium is an important alloying element for heat-resistant aluminum alloys. However, its effect on the structure and
Alexey S. Prosviryakov   +3 more
doaj   +1 more source

Nanocomposites and methods for synthesis and use thereof [PDF]

open access: yes, 2009
Nanocomposite compositions and methods of synthesis of the compositions are described. In particular, liquid crystal-functionalized nanoparticles, liquid crystal-templated nanoparticles, nanocomposite compositions including the nanoparticles, and ...
Furman, Benjamin R.   +3 more
core   +1 more source

Synthetic-Hydroxyapatite-Based Coatings on the Ultrafine-Grained Titanium and Zirconium Surface

open access: yesУспехи физики металлов, 2023
The development of biocompatible materials is a multidisciplinary task and requires the interaction of physicists, chemists, biologists, and physicians, since the functional reliability of materials depends on their biochemical, cellular, tissue, and ...
A. T. Turdaliev, M. A. Latypova, and E. N. Reshotkina
doaj   +1 more source

The influence of different radiopacifying agents on hermetical sealing ability of calcium silicate and calcium aluminate dental cements [PDF]

open access: yesScience of Sintering
This study presents technological process for obtaining strontium enriched calcium silicate based dental ceramics and testing their microstructural and chemical properties. In brief, the influence of different radiopacifiers on microstructural properties
Ćetković Dejan   +9 more
doaj   +1 more source

Crystal Structure of the ZrO Phase at Zirconium/Zirconium Oxide Interfaces [PDF]

open access: yes, 2014
Zirconium-based alloys are used in water-cooled nuclear reactors for both nuclear fuel cladding and structural components. Under this harsh environment, the main factor limiting the service life of zirconium cladding, and hence fuel burn-up efficiency ...
Grovenor, CRM   +8 more
core   +1 more source

Overcoming the crystallization and designability issues in the ultrastable zirconium phosphonate framework system

open access: yesNature Communications, 2017
Metal-organic frameworks (MOFs) based on zirconium phosphonates exhibit superior chemical stability suitable for applications under harsh conditions. These compounds mostly exist as poorly crystallized precipitates, and precise structural information has
T. Zheng   +17 more
semanticscholar   +1 more source

Flux syntheses and single-crystal structures of CsNa10M4(AsO4)9 (M = Zr, Hf)

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2022
The isostructural compounds caesium decasodium tetrazirconium nonaarsenate, CsNa10Zr4(AsO4)9, and caesium decasodium tetrahafnium nonaarsenate, CsNa10Hf4(AsO4)9, arose as unexpected single-crystal products from the reactions of Na2CO3, MO2 (M = Zr, Hf ...
William T. A. Harrison
doaj   +1 more source

Eutectic bonding of sapphire to sapphire [PDF]

open access: yes, 1973
Eutectic mixture of aluminum oxide and zirconium oxide provides new bonding technique for sapphires and rubies. Technique effectively reduces possibility of contamination.
Deluca, J. J.
core   +1 more source

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