Results 11 to 20 of about 209,980 (188)
Mycosynthesis of Silver Nanoparticles by Candida albicans Yeast and its Biological Applications [PDF]
This study conducted a mycosynthesis of silver nanoparticles (AgNPs) by Candida albicans supernatant. The mycosynthesized AgNPs were identified by color visualization, ultraviolet-visible (UV) spectroscopy device, X-ray diffraction (XRD), energy ...
R. A Hikmet, N. N Hussein
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Facile and eco-friendly route for green synthesis of magnesium ferrite nano particles [PDF]
Magnesium ferrite (MgFe2O4) nano-particles were synthesized by using both the ceramic method and egg white assisted green synthesis method. The ceramic method carried out at different temperatures while the combustion method achieved at 300 oC ...
Deraz N.M.
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Microstructure and phase composition of the Ag–Al film wear track: through-thickness characterization by advanced electron microscopy [PDF]
Analytical transmission electron microscopy has been applied to characterize the microstructure, phase and chemical composition of the Ag–Al wear track throughout its thickness down to the atomic level. Microscopy findings have been correlated with Ag–Al
O. Kryshtal +5 more
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The fabrication of Ni-Al based metal-intermetallic layered (MIL) composites is one of the actively developing directions in the production of materials for aircraft and space industries.
Tatiana Ogneva +5 more
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The removal of heavy metals from water is very difficult. For this reason different methods have been employed so far among which biosorption is the cheapest and ecofriendly way to treat and remove heavy metals from aqueous media.
Tahira Moeen Khan +4 more
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Pedagogic Orientations of MOOC Platforms: Influence on Course Delivery [PDF]
This paper reports on an exploratorystudy of the influence of the pedagogic orientations of MOOC platforms on their courses. Four MOOC platforms — namely Coursera, edX, FutureLearn and OpenLearning — which illustrate their pedagogy on their websites were
Billy Tak Ming Wong
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Synthesis of Hydroxyapatite Nanostructures Using Chemical Method
In this research, hydroxyapatite was prepared from natural and industrial sources using a simple chemical method. The fish (scales and bones), snail shells, bovine bones, horse bones, egg shells, cuttlefish bones and crab shells are composed by crystals ...
Marwa Abdul Muhsien Hassan +2 more
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The friction coefficient when a Fe surface was lubricated with an additive mixture of N-Oleoyl sarcosine (NOS), a commercial organic friction modifier, and zinc dialkyldithiophosphate (ZDDP) was measured at 100°C using a ball-on-disk tribometer under ...
Weiqi Shen +7 more
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Influence of gadolinium doping on structural properties of carbon nanotubes
The paper presents an analysis of SEM, EDX, Raman scattering, and FTIR of Gadolinium-doped multi-walled carbon nanotubes obtained by hydrothermal method. The morphological characteristics of the materials were studied and their compositions were analyzed.
R.G. Abaszade +7 more
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Laser cleaning of the archaeological metal sample from the Danube
The paper presents the results of laser cleaning of corrosive and other deposits on a metal archaeological artefact from the Danube. Nd: YAG laser, energy up to 750 mJ and wavelengths λ = 1064 nm and 532 nm is used.
Suzana Polić +4 more
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