Results 11 to 20 of about 2,036,415 (295)

Properties of Nano Thin Film Composed of Nan Crystalline Zro2 Prepared by (SOL - GEL) Method [PDF]

open access: yesEngineering and Technology Journal, 2014
Nano-crystalline ZrO2 was prepared by sol-gel method and deposited on glass substrate by dip-coating technique method in the room temperature. ZrOCl2 was dissolved in a solvent mixture composed of H2O2 and ammonia.
Kassim Mohammed Sahan, Aqel Mashot Jafar
doaj   +1 more source

Sols, sciences et recherches participatives : comment consolider et fédérer le foisonnement d’initiatives en France ?

open access: yesNatures Sciences Sociétés, 2023
Dans le contexte du développement des sciences et recherches participatives (SRP), de plus en plus d’initiatives sur les sols ont été engagées ces dernières années.
Gascuel Chantal   +11 more
doaj   +1 more source

UM EXPERIMENTO DE BAIXO CUSTO PARA MEDIR A POTÊNCIA DO SOL E A TEMPERATURA DA SUA SUPERFÍCIE, REFLETIR SOBRE O EFEITO ESTUFA E O AQUECIMENTO GLOBAL

open access: yesHolos, 2020
Neste artigo, com base em materiais acessíveis, discutiremos sobre o Sol, o efeito estufa e o aquecimento global. Foram realizadas oficinas pedagógicas para 225 alunos no Museu de Ciências Espaço Ciência, em Olinda - PE, com o objetivo de medir a ...
Micaías Andrade Rodrigues
doaj   +1 more source

Experimental Stability and Thermal Characteristics Enhancement Analysis of Water Based Boehmite Nano fluid [PDF]

open access: yesEngineering and Technology Journal, 2015
In this work attempt was made to formulate water based boehmite (AlOOH) nanofluid in one and two steps methods. Boehmite is the first born alumina phase as prepared by sol gel route using aluminum isopropoxide precursor, exhibit a combination of ...
Mohammed Hussein J. Al –Atia   +1 more
doaj   +1 more source

Solar imaging capabilities of the Brazilian decimetric array

open access: yesGeofísica Internacional, 2000
En colaboración con la Universidad Federal de São Carlos, el Instituto Nacional de Pesquisas y la Universidad Federal de Santa María se hacen esfuerzos para desarrollar una tomograrfía solar utilizando imágenes solares obtenidas en varias longitudes de ...
E. Lüdke   +10 more
doaj   +1 more source

Coating of Carbon Fibers With Calcium Phosphate by Sol- Gel Method [PDF]

open access: yesEngineering and Technology Journal, 2014
Sol-gel technique has been used to coat carbon fibers with calcium phosphate to improve the esthetic of black carbon fibers as it's biocompatible. To improve bonding between carbon fibers and prepared calcium phosphate powders, the surface of carbon ...
Sewench N. Rafeeq   +2 more
doaj   +1 more source

Synthesis of B4C/YTZP Composite Powder and Studying Effect of its Addition on Mechanical Properties of B4C [PDF]

open access: yesEngineering and Technology Journal, 2014
In this research B4C powder have been coated with yttria stabilized tetragonal zirconia polycrystalline (YTZP) (ZrO2 – 6wt% Y2O3) by using sol-gel method in order to obtain on composite powder (B4C core/ YTZP shell, 1/1 wt%).
Fadhil A. Chyad   +2 more
doaj   +1 more source

Synthesis and Studying Dielectric Properties of Mixed Nanoferrites [PDF]

open access: yesEngineering and Technology Journal, 2015
Based on a low temperature route (sol-gel autocombustion) a nano-ferrite CoFe2O4and Li0.5Fe2.5O4 and different percentages of cobalt-ferrite are synthesized.
Zainab I. Dhary   +2 more
doaj   +1 more source

Gestão escolar e formação docente para a inclusão

open access: yesCadernos Cajuína
Este artigo discute a importância da relação entre gestão escolar e formação docente no contexto da educação inclusiva, apontando desafios e lacunas ainda presentes no cotidiano das escolas.
Adeneide Monteiro Guimarães   +7 more
doaj   +1 more source

Comprehensive Electrochemical Evaluation of Protective Coatings Properties by Sol-Gel Route for Stainless Steel Corrosion [PDF]

open access: yesEngineering and Technology Journal, 2013
Sol gel nano ceramic coatings have been applied on stainless steel to develop their biological characteristics and increase resistance to corrosion and wear.
Mohammed Hussein J. Al Atia
doaj   +1 more source

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