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Now showing items 291-300 of 421
Automatic prediction of age, gender, and nationality in offline handwriting
(
Hindawi Publishing Corporation
, 2014 , Article)
The classification of handwriting into different categories, such as age, gender, and nationality, has several applications. In forensics, handwriting classification helps investigators focus on a certain category of ...
Antiferromagnetism in EuPdGe3
(
Elsevier Ltd
, 2014 , Article)
The results of X-ray diffraction, magnetic susceptibility and magnetization, and 151Eu Mössbauer spectroscopy measurements of polycrystalline EuPdGe3 are reported. EuPdGe3 crystallizes in the BaNiSn3-type tetragonal structure ...
Developing, implementing and improving learning outcomes assessment in Qatar's public higher education
(
Hamad bin Khalifa University Press (HBKU Press)
, 2014 , Article)
This study reports on the development and implementation of the Student Learning Outcomes Assessment process and the system implemented at Qatar University. This system consists of two phases, initiation and enhancement, ...
Use of water in aiding olefin/paraffin (liquid + liquid) extraction via complexation with a silver bis(trifluoromethylsulfonyl)imide salt
(
Academic Press
, 2014 , Article)
This paper describes the extraction of C5-C8 linear -olefins from olefin/paraffin mixtures of the same carbon number via a reversible complexation with a silver salt (silver bis(trifluoromethylsulfonyl) imide, Ag[Tf2N]) ...
Gas hydrate inhibition: A review of the role of ionic liquids
(
American Chemical Society
, 2014 , Article)
Ionic liquids (ILs) are popular designer green chemicals with great potential for use in diverse energy-related applications. Apart from the well-known low vapor pressure, the physical properties of ILs, such as ...
A critical review of CO2 photoconversion: Catalysts and reactors
(2014 , Article)
Photocatalytic conversion of CO2 to either a renewable fuel or valuable chemicals, using solar energy has attracted more and more attention, due to the great potential to provide an alternative clean fuel and solve the ...
Development of innovative indoor/outdoor air quality monitoring for environmental impact assessment in the State of Qatar
(
WITPress
, 2014 , Article)
Air pollution is one of the most crucial factors affecting the quality of life and health of increasingly urban populations; a country with a fast-growing economy based on hydrocarbons such as Qatar is no exception. In ...
Tactile device based on opto-mechanical actuation of liquid crystal elastomers
(2014 , Article)
Nematic elastomers are promising materials for the fabrication of actuators due to their ability to reversibly contract and expand during phase transitions triggered by external stimuli. Thus, actuation can be produced on ...
Activation of kaolin with minimum solvent consumption by microwave heating
(
Mineralogical Society
, 2014 , Article)
A kaolin clay was activated with 1.0 M H2SO4 solution at minimum liquid to solid ratio (L/S) using microwave heating. The optimum experimental conditions for activation were L/S ratio 3.0 mL 1 M H2SO4 per gram kaolin, ...
Thermal conductivity and latent heat thermal energy storage properties of LDPE/wax as a shape-stabilized composite phase change material
(2014 , Article)
Phase change material (PCM) composites based on low-density polyethylene (LDPE) with paraffin waxes were investigated in this study. The composites were prepared using a meltmixing method with a Brabender-Plastograph. The ...