Results 1 to 10 of about 2,005,949 (137)
Fluorine-Containing Bioactive Glass Spherical Particles Synthesized By Sol-Gel Route Assisted by Ultrasound Energy or Mechanical Mixing [PDF]
Bioactive glasses (BG) are versatile materials for various biomedical applications due to their capacity to bond to hard and soft tissues. These materials can be produced with different nominal compositions, such that include fluoride ions.
Ingrid Elen Pinto e Souza +3 more
doaj +1 more source
The Effect of Annealing Temperature on Structural & Optical Properties of Nanocrystalline SnO2 Thin Films Prepared by Sol-Gel Technique [PDF]
In this work, studying the structural and optical Nano crystalline SnO2 thin films grown on cleaned glass substrates by using sol- gel (dip coating) technique. It is worthy to say that the thickness of the deposited film was of the order of (300-400)nm .
Selma M.H. AL-Jawad +2 more
doaj +1 more source
Synthesis of Mullite Powder from Aluminum Nitrate and Precipitated Silica using Sol-Gel Process [PDF]
In this work, a new route for possibility synthesizing high purity submicron size mullite (3A12O3.2SiO2) powder at relatively low temperature. Mullite precursor has been prepared from mixing precipitated silica powder with solution of aluminum nitrate ...
Hussein Alaa Jaber
doaj +1 more source
Les sols peuvent-ils devenir des biens communs ? [PDF]
L’utilisation actuelle des sols, qui est fondée surtout sur le droit de propriété foncière et le droit de l’urbanisme, tient très peu compte des services écosystémiques qu’ils peuvent fournir localement et globalement. Pour construire
Donadieu Pierre +2 more
doaj +1 more source
Voyager’s Observations in the Vicinity of the Heliopause
Este trabajo analiza las observaciones del Voyager 2 en noviembre de 2018 y las compara con lo detectado por el Voyager 1 en las proximidades de la heliopausa en julio-agosto de 2012.
R. A. Caballero-López, J. D. Richardson
doaj +1 more source
Effect of biochar and rice husk powder on maize (zea mays) productivity and soils in North Cameroon
The objective of this study is to evaluate the effects of the application of biochar and rice husk powder combined with mineral fertilizer on the yield of the CMS-9015 variety of maize (Zea mays) and fertility. soils.
Yerima Yaya Alim Ahmadou +2 more
doaj +1 more source
Background Generic drugs may help to support antiretroviral treatment. We want to assess the efficacy and safety at 24 weeks of the change of coformulated (abacavir + lamivudine + dolutegravir) to (abacavir + lamivudine) coformulated as a generic ...
Julián Olalla +9 more
doaj +1 more source
Global Navigation Satellite System (GNSS) meaconing and spoofing are being considered as the key threats to the Safety-of-Life (SoL) applications that mostly rely upon the use of open service (OS) signals without signal or data-level protection. While a
Silvio Semanjski +3 more
doaj +1 more source
Properties of Nano Thin Film Composed of Nan Crystalline Zro2 Prepared by (SOL - GEL) Method [PDF]
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
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

