Results 11 to 20 of about 200,854 (258)

Pre-heating mitigates composite degradation [PDF]

open access: yesJournal of Applied Oral Science, 2015
Dental composites cured at high temperatures show improved properties and higher degrees of conversion; however, there is no information available about the effect of pre-heating on material degradation.
Jessika Calixto da SILVA   +6 more
doaj   +8 more sources

Composite Pre-heating: A Novel Approach in Restorative Dentistry. [PDF]

open access: yesCureus, 2022
Resin composite pre-heating is a novel approach that might improve handling and marginal adaptation of the unset material paste in clinical application. The goal of this review article is to compile all laboratory experiments on resin composite preheating and see how it impacts the mechanical properties of the material.
Bhopatkar J   +4 more
europepmc   +3 more sources

Effect of Pre-Heating Prior to Low Temperature 0.1 µm-Microfiltration of Milk on Casein–Whey Protein Fractionation [PDF]

open access: yesFoods, 2021
During skim milk microfiltration (nominal pore size of 0.1 µm) at 10 °C, the whey protein purity in the permeate is reduced by an enhanced serum casein permeation, primarily of β-casein.
Simon Schiffer   +4 more
doaj   +2 more sources

Influence of Oxy-Fuel Lance Parameters on the Scrap Pre-Heating Temperature in the Hot Metal Ladle

open access: yesMetals, 2023
As one of the vital ways to improve the converter heat balance and increase the scrap ratio, scrap pre-heating technology has attracted much attention from researchers. The aim of this paper is to reveal the effect of the oxy-fuel lance parameters on the
Shenglei Zhuang   +4 more
doaj   +3 more sources

Impact of composite consistency and pre-heating on cervical adaptation in class II restorations: a micro-CT evaluation [PDF]

open access: yesBMC Oral Health
Background To compare the cervical adaptation of paste-like bulk-fill resin composites placed with either conventional or pre-heating insertion techniques to that of flowable bulk-fill resin composites.
Gülbike Demirel   +5 more
doaj   +2 more sources

Pre-heating in the framework of massive gravity

open access: yesNuclear Physics B, 2016
In this paper we propose a mechanism of natural pre-heating of our universe by introducing an inflaton field dependent mass term for the gravitational wave for a specific class of massive gravity theory.
Debaprasad Maity
doaj   +3 more sources

Effect of increased venous blood flow with acute passive heating on volume and compliance in the calf vein in young adults [PDF]

open access: yesPhysiological Reports
Arterial endothelial function—impairment of which is a risk factor for cardiovascular disease—increases after acute passive heating; however, whether venous properties (volume and compliance) also increase remains unclear. Moreover, it is unknown whether
Yasuhiro Iimura, Anna Oue
doaj   +2 more sources

Optimization of Pre-Heat Treatment for Nitriding [PDF]

open access: yesMaterials, 2021
To achieve a core strength that meets the requirements during service life, components to be nitrided are subjected to a pre-heat treatment. Since a higher strength prior to nitriding also has a positive effect on the achievable strength in the nitrided layer, an optimization of the pre-heat treatment may lead to better service characteristics of ...
Matthias Steinbacher, Stefanie Hoja
openaire   +2 more sources

The evolution of a pre-heated intergalactic medium [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society: Letters, 2009
Abstract We analyse the evolution of the intergalactic medium by means of an extended set of large box size hydrodynamical simulations which include pre-heating. We focus on the properties of the z∼ 2 Lyman α forest and the population of clusters and groups of galaxies at z= 0. We investigate the distribution of voids in the Lyman α flux
Borgani, S., Viel, Matteo
openaire   +4 more sources

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