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Now showing items 11-20 of 246
Spectroscopic and voltammetric analysis of platinum group metals in road dust and roadside soil
(MDPI, 2018)
The emission of toxic compounds by increasing anthropogenic activities affects human
health and the environment. Heavy road traffic and mining activities are the major anthropogenic
activities contributing to the presence ...
A two-decade anthropogenic and biogenic isoprene emissions study in a London urban background and a London urban traffic site
(MDPI, 2018)
A relationship between isoprene and 1,3-butadiene mixing ratios was established to
separate the anthropogenic and biogenic fractions of the measured isoprene in London air in both
urban background (Eltham) and urban ...
Compaction of a zirconium metal–organic framework (UiO-66) for high density hydrogen storage applications
(Royal Society of Chemistry, 2018)
We report a rare case whereby a metal–organic framework (MOF), namely UiO-66, is compacted at high
pressure ( 700 MPa or 100 000 psi) resulting in densification and improved total volumetric hydrogen
storage capacity, ...
Quantification of radicals generated in a sonicator
(Iranian Chemical Society, 2016)
The hydroxyl radical (OH•) is a powerful oxidant produced as a consequence of cavitation in water. It can react nonspecifically in
breaking down persistent organic pollutants in water into their mineral form. It can also ...
Treatment of persistent organic pollutants in wastewater using hydrodynamic cavitation in synergy with advanced oxidation process
(Springer, 2017)
Persistent organic pollutants (POPs) are very tenacious wastewater contaminants. The consequences of their existence have been acknowledged for negatively affecting the ecosystem with specific impact upon endocrine disruption ...
Polysaccharides from the South African medicinal plant Artemisia afra: Structure and activity studies
(Elsevier, 2018)
Artemisia afra (Jacq. Ex. Willd), is an indigenous plant in South Africa and other parts of the African continent, where it is used as traditional medicine mostly for respiratory conditions. The objective of this study was ...
The effect of a warm electron beam on slow electron-acoustic solitons
(AIP Publishing, 2018)
The effects of the inclusion of finite drift speed of a warm electron component on the existence of arbitrary amplitude slow electron-acoustic solitons are investigated in a model with ions and cool, warm, and hot electrons. ...
Effect of growth temperature on the structural, optical and luminescence properties of cadmium telluride nanoparticles
(Springer, 2018)
Cadmium telluride (CdTe) has been successfully prepared by a simple wet chemical process at different reaction temperatures. Temperature is one parameter that thermodynamically plays an important role in controlling the ...
The effect of PtRuIr nanoparticle crystallinity in electrocatalytic methanol oxidation
(MDPI, 2013)
Two structural forms of a ternary alloy PtRuIr/C catalyst, one amorphous and one highly crystalline, were synthesized and compared to determine the effect of their respective structures on their activity and stability as ...
Treatment of acid mine drainage with coal fly ash in a jet loop reactor pilot plant
(Minerals Engineering, 2020)
A 1500 L batch jet loop reactor pilot plant was designed, constructed, and evaluated for performance in the treatment of acid mine drainage (AMD) using coal fly ash with a view to optimize its operation and generate ...