Results 21 to 30 of about 654,084 (330)

Structural aspects of AlPO4-5 zeotypes synthesized by microwave-hydrothermal process. 1. Effect of heating time and microwave power [PDF]

open access: yes, 2009
AlPO4-5 with AFI structure containing 12-membered rings was prepared using the aluminum isopropoxide precursor as a source of alumina and TEA as the structure directing agent via microwave technique.
Sakintuna, Billur   +2 more
core   +3 more sources

Plasticized Starch Based Bionanocomposites Containing Cellulose Nanowhiskers and Titanium Dioxide Nanoparticles: Study of Structure and Water Vapor Permeability [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2014
The starch-based films have some disadvantages such as weak mechanical and poor water barrier properties that restrict their applications in food packaging.
Nasrin Jamshidi Kaljahi   +4 more
doaj   +1 more source

Thermal annealing study of swift heavy-ion irradiated zirconia [PDF]

open access: yes, 2006
Sintered samples of monoclinic zirconia (alpha-ZrO2) have been irradiated at room temperature with 6.0-GeV Pb ions in the electronic slowing down regime.
Andrée Kahn-Harari   +7 more
core   +4 more sources

A CASE STUDY OF COPPER-ARSENIC EWER FROM THE EGYPTIAN MUSEUM IN CAIRO, EGYPT [PDF]

open access: yesJournal of the General Union of Arab Archaeologists, 2018
(En) This paper presents an analytical study and treatment of an Arsenical Copper ewer from old kingdom stored in the Egyptian Museum in Cairo. Examination and analysis were carried out by using optical microscopy (OM), metallographic microscopy and ...
Abeer Ibrahim, Manal Maher
doaj   +1 more source

Synthesis of NiO nanowalls by thermal treatment of Ni film deposited onto a stainless steel substrate [PDF]

open access: yes, 2008
Two-dimensional nanostructures have a variety of applications due to their large surface areas. In this study, the authors present a simple and convenient method to realize two-dimensional NiO nanowalls by thermal treatment of a Ni thin film deposited ...
Alphonse, Pierre   +3 more
core   +3 more sources

Coordination polymers of Fe(III) with ligands derived from dinaphthyl-, dinaphthylthio- and dinaphthyldithiophosphinic acids [PDF]

open access: yesJournal of the Serbian Chemical Society, 2002
The synthesis and the study of some coordination polymers derived from the interaction of the acetylacetonate of Fe(III) with dinaphthylphosphinic acid, dinaphthylthiophosphinic acid and dinaphthyldithiophosphinic acid are presented.
Rosca Ioan   +5 more
doaj   +1 more source

EFFECT OF METAL OXIDE ADDITIONS TO V-BASED COMPLEX OXIDE CATALYSTS ON OXIDATIVE DEHYDROGENATION OF BUT-1-ENE [PDF]

open access: yes, 2020
Buta-1,3-diene (BD), one of the most important products in the petrochemical industry, is mainly produced through the endothermic steam cracking of naphtha.
Fuku Kojiro   +5 more
core   +1 more source

Structural and Microstructural Study on the Arc-Plasma Synthesized (APS) FeAl2O4–MgAl2O4 Transitional Refractory Compound

open access: yesHigh Temperature Materials and Processes, 2017
In this work, a pleonastic compound, a compound with a composition between hercynite and spinel sensu stricto FeAl2O4–MgAl2O4, was synthesized by a non-conventional method of arc-plasma synthesis (APS).
Jastrzębska Ilona   +2 more
doaj   +1 more source

Characterisation of Thin Films CuIn1-xAlxSe2 Prepared by Selenisation of Magnetron Sputtered Metallic Precursors [PDF]

open access: yes, 2007
Thin films of CuIn1-xAlxSe2 have been produced by the selenisation of magnetron sputtered Cu/In/Al precursor layers using elemental selenium and the chemical and physical properties of the layers have been determined for different conditions of synthesis.
Forbes, Ian   +3 more
core   +1 more source

Double layer lanthanide –Pt/TiO2 nanotube arrays electrode as a cost-highly efficient electrocatalyst for hydrogen evolution in acid media

open access: yesJournal of Experimental Nanoscience, 2021
Self-organized anodic double layer TiO2 nanotube arrays (TNTAs) were sensitized by an electrochemical anodization process on a Ti sheet with a two-step anodization method.
Khadijah M. Emran, Hessah E. Alanazi
doaj   +1 more source

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