Results 41 to 50 of about 221,995 (299)
Evaluating The Effects of Micro and Nano Size of Silica Filler on Asphalt Cement Properties [PDF]
Engineering and Technology Journal, 2020 This research study examines the practicability of using micro and nano size silica to improve the asphalt characteristics. Asphalt cement penetration grade of (60 /70) was prepared using (0%, 2%, 4% and 6%) of silica filler by weight of asphalt and ...
Hussein Zghair +2 more
doaj +1 more source
Alternative Transport in Mining [PDF]
, 2012 Investigating the 2D-T 2-T 2-relaxation exchange of inter-stitial water in a packing of sedimented Stöber-silicate spheres, we come the conclusion that contrary to its behaviour in macro-pores, water confined in nano ...
Blümich, Bernhard +3 more
core +1 more source
Ytterbium doped nano-crystalline optical fiber for reduced photodarkening
, 2010 We report suppression of photodarkening in Yb-doped nano-crystalline fibers in silica host. The photodarkening induced loss reduced by 20 times compared to Yb-doped aluminosilicate fibers. The laser efficiency of the nano-crystalline fiber was 79%
Bhadra, S.K. +8 more
core +1 more source
Nano-silica Derived from Coal Fly Ash: A Sustainable Iron (III) Ion Adsorbent [PDF]
Journal of Water and Environmental NanotechnologyIndonesia, as a country reliant on coal-fired power plants, produces substantial coal fly ash (CFA) waste, posing serious environmental and health risks.
Rosalina Hasan +6 more
doaj +1 more source
Surface characterization and properties of ordered arrays of CeO2 nanoparticles embedded in thin layers of SiO2 [PDF]
, 2005 We demonstrated the surface composite character down to the nanometer scale of SiO2-CeO2 composite high surface area materials, prepared using 5 nm colloidal CeO2 nanoparticle building blocks.
Airiau, Marc +7 more
core +3 more sources
Journal of Civil Engineering and Management, 2012 In this study, effects of replacing cement with colloidal amorphous silica nano-particles have been experimentally investigated on the physical and mechanical properties, durability and microstructure of concrete. Experimental results include workability,
Hadi Bahadori, Payam Hosseini
doaj +1 more source
Development and Evaluation of Nano-Silica Sustainable Concrete
Applied Sciences, 2021 In the last decade, nanomaterials made a major breakthrough in the concrete industry by providing the concrete with unique properties. Earlier studies have shown improvement in the early strength of concrete that can accelerate the construction process ...
Habib H. Alqamish, Adil K. Al-Tamimi
doaj +1 more source
Nano-silica added to Portland cement
Acta Scientiarum: Technology, 2021 For a controlled particle size distribution, nano-silica was added to three different cements. The chemical and mineralogical compositions of the cements were characterized by fluorescence and X-ray diffraction.
Thiago Melanda Mendes +1 more
doaj +1 more source
Converting water adsorption and capillary condensation in useable forces with simple porous inorganic thin films [PDF]
, 2016 This work reports an innovative humidity driven actuation concept based on Bangham effect using simple nanoporous sol-gel silica thin films as humidity responsive materials.
Boudot, Mickael +2 more
core +3 more sources
Synthesis and Characteristic of Precipitated Nano-Silica [PDF]
JOURNAL OF ADVANCES IN CHEMISTRY, 2013 The reaction of precipitation of amorphous silicon dioxide from aqueous solution of sodium silicate and sulfuric acid has been studied. The factors affecting the precipitation process of the sodium silicate solution such as sodium silicate concentration and addition of anionic surfactant (sodium dodecyl sulfate, SDS) on particle size, size distribution
Sadeghi, Mohammad +2 more
openaire +2 more sources