Results 11 to 20 of about 102,012 (284)

Soot Oxidation in Diesel Exhaust on Silver Catalyst Supported by Alumina, Titanium and Zirconium [PDF]

open access: yesE3S Web of Conferences, 2021
Diesel Particulate Filter (DPF) is used to limit the emission of particulate matter (PM). The operation of DPF has two consecutive functions which are filtration of PM and regeneration. Performance of DPF is reduced by clogging of the filter.
Promhuad Punya, Sawatmongkhon Boonlue
doaj   +1 more source

Optical and Thermal Characterizations of PMMA Composites [PDF]

open access: yesEngineering and Technology Journal, 2019
Thick composite films were prepared employing hand – layup method . A definite quantity of PMMA ( 98%wt ) , fixed content ( 2% wt ) of rutile titanium dioxide TiO2 , gamma alumina ( ᵞ- Al2O3 ) and Zirconia powder ( ZrO2 ) , were added to polymer solution
Raghad Al-Khafaji   +2 more
doaj   +1 more source

Oxidative ammonolysis of 3,4-dimethylpyridine on the vanadium oxide catalysts [PDF]

open access: yesJournal of the Serbian Chemical Society, 2020
Oxidative ammonolysis of 3,4-dimethylpyridine on an individual vanadium oxide (V2O5) catalyst and binary vanadium oxide catalysts, modified by additions of SnO2 and ZrO2, has been studied.
Vorobyev Pavel   +3 more
doaj   +1 more source

Sustainable Hydrogen from Bio-Oil - Catalytic Steam Reforming of Acetic Acid as a Model Oxygenate [PDF]

open access: yes, 2004
Studies were conducted with acetic acid (HAc) as model oxygenate for the design of active and stable catalysts for steam reforming of bio-oil. Pt/ZrO2 catalysts were prepared by wet impregnation technique.
Aika, Ken-ichi   +3 more
core   +8 more sources

Effects of Technological Conditions on Preparation of Metal Zr Using Electro-Deoxidation Method in CaCl2-NaCl Molten Salt

open access: yesHe huaxue yu fangshe huaxue, 2022
The conversion of oxides into metals is one of the key steps in the dry reprocessing of spent oxide fuel using the molten salt electrorefining method. In this study, in the CaCl2-NaCl molten salt system, graphite rods were used as anodes, and the high ...
WANG You-qun1,2   +4 more
doaj   +1 more source

The Effect of Zirconium Oxide Nanoparticle on the Tear Strength of Maxillofacial Silicone [PDF]

open access: yesAl-Rafidain Dental Journal, 2021
Aims: The study aimed to investigate the outcome of different concentrations (0.5%, 1%, 1.5%, 2% by weight ) of zirconium oxide (ZrO2) nanoparticle on tear strength of room temperature vulcanized maxillofacial silicone material. Materials and methods: A
Israa E. Hussein, Radhwan H. Hasan
doaj   +1 more source

Structure and behavior of ZrO2-graphene-ZrO2 stacks [PDF]

open access: yesJournal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, 2020
ZrO2-graphene-ZrO2 layered structures were built and their crystallinity was characterized before resistive switching measurements. Thin nanocrystalline ZrO2 dielectric films were grown by atomic layer deposition on chemical vapor deposited graphene.
Kahro, Tauno   +12 more
openaire   +2 more sources

Comparison of the flexural strength of sheets manufactured in three types of zirconium dioxide with two sintering times

open access: yesRevista Facultad de Odontología Universidad de Antioquia, 2020
Introduction: yttrium-stabilized zirconium dioxide (zirconia) has been used to manufacture fixed partial prosthesis due to its high flexural strength. However, there are no available studies comparing the effect of two sintering techniques on flexural ...
Edgar Torres-Durán   +3 more
doaj   +1 more source

Mechanism of reduced sintering temperature of Al2O3–ZrO2 nanocomposites obtained by microwave hydrothermal synthesis [PDF]

open access: yes, 2018
A novel method to obtain Al2O3–ZrO2 nanocomposites is presented. It consists of the co-precipitation step of boehmite (AlO(OH)) and ZrO2, followed by microwave hydrothermal treatment at 270 °C and 60 MPa, and by calcination at 600 °C.
Ganin, Alexey   +7 more
core   +1 more source

Effect of ZnO; ZrO2 y B2O 3. Part II. Phase separation and clinker phase distribution

open access: yesMateriales de Construccion, 2009
This study is a continuation of previous research which established the effect of the oxides ZnO, ZrO2 and B2O3, both separately and jointly, on clinkerization processes, as well as on clinker phase composition and morphology.
I. García-Díaz   +4 more
doaj   +1 more source

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