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Now showing items 5691-5700 of 5774
Corruption in Africa: What role does ICT diffusion play
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Elsevier Ltd
, 2017 , Article)
This paper assesses the determinants of corruption in Africa and focuses on the effect of ICT diffusion on corruption. Using a sample of 47 African countries over the period from 1996 to 2014, empirical findings provide ...
Qatar national MUSEUM-Transit oriented development: The masterplan for the urban regeneration of a 'green TOD'
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Elsevier B.V.
, 2019 , Article)
Over the past two decades, a growing number of communities have pursued light rail transit (LRT) and Transit-Oriented Developments (TODs) as part of an integrated transportation and land use strategy to revitalize and/or ...
Potential use of solar photocatalytic oxidation in removing emerging pharmaceuticals from wastewater: A pilot plant study
(
Elsevier Ltd
, 2018 , Article)
A pilot plant was used to evaluate the potential of solar photocatalytic processes in the treatment of wastewater containing emerging contaminates. Four groups of commonly used pharmaceuticals (antibiotics, estrogens, ...
Impact of CO 2 concentration and ambient conditions on microalgal growth and nutrient removal from wastewater by a photobioreactor
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Elsevier B.V.
, 2019 , Article)
The increase in atmospheric CO2 concentration and the release of nutrients from wastewater treatment plants (WWTPs) are environmental issues linked to several impacts on ecosystems. Numerous technologies have been employed ...
Bioactive PCL matrices with a range of structural & rheological properties
(
Elsevier
, 2016 , Article)
Safer pharmaceutical and medical device excipients are being sought as alternatives to polyvinyl polymers that are commonly plasticised by carcinogenic phthalates. This paper demonstrates a biodegradable and non-toxic ...
Fabrication and characterization of pyridinium functionalized anion exchange membranes for acid recovery
(
Elsevier B.V.
, 2019 , Article)
In the present work, the fabrication of pyridinium functionalized anion exchange membranes (AEMs) for acid recovery using diffusion dialysis (DD) processes was developed using brominated poly (2,6-dimethyl-1,4-phenylene ...
Solar driven two-step CH4 reforming and H2O splitting using Al2O3 for Co-production of Al, syngas, and H2
(
Elsevier Ltd
, 2018 , Article)
The thermodynamic equilibrium and efficiency analysis of the solar-driven Al2O3-based CH4 reforming and H2O splitting process is performed in two sections: (1) Al and syngas producing open process (AS), and (2) Al, syngas, ...
Novice teachers' job satisfaction and coping strategies: Overcoming contextual challenges at Qatari government schools
(
Elsevier Ltd
, 2017 , Article)
The first years of teaching are challenging and how novice teachers cope has important implications for their satisfaction. The current study examined the perceptions of five novice and five experienced teachers about ...
Transition metal doped ceria for solar thermochemical fuel production
(
Elsevier Ltd
, 2018 , Article)
In this paper, the effect of doping of transition metal cations on thermal reduction and CO2 splitting ability of Ce0.9M0.1O2−δ materials (where, M = Ni, Zn, Mn, Fe, Cu, Cr, Co, Zr) is investigated by performing multiple ...
Mathematical modeling, simulation and optimization of solar thermal powered Encontech engine for desalination
(
Elsevier Ltd
, 2018 , Article)
This paper investigates a solar driven external combustion and regenerative engine, which can be used for desalination of seawater by using gaseous working fluids. The effect of operating and design parameters on engine ...