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Now showing items 2741-2750 of 2808
Common-mode voltage and vibration mitigation of a five-phase three-level NPC inverter-fed induction motor drive system
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Institute of Electrical and Electronics Engineers Inc.
, 2015 , Article)
Common-mode (CM) voltage is one of the main reasons for the flow of bearing currents in induction motors (IM) that ultimately leads to the bearing failure and causes severe vibrations. For three-phase IM drives, many works ...
The cardiovascular implication of single nucleotide polymorphisms of chromosome 9p21 locus among Arab population
(
Wolters Kluwer Health
, 2015 , Article)
Background: Based on several reports including genome-wide association studies, genetic variability has been linked with higher (nearly half) susceptibility toward coronary artery disease (CAD). We aimed to evaluate the ...
Area spectral efficiency of infrastructure relay enhanced cellular systems
(
Institution of Engineering and Technology
, 2016 , Article)
In this study, the authors investigate the downlink area spectral efficiency (ASE) of infrastructure relay enhanced cellular systems. ASE for cellular systems is defined as the maximum achievable data rate per unit bandwidth ...
The prevalence of vitamin d deficiency among female college students at Qatar University
(
Saudi Arabian Armed Forces Hospital
, 2011 , Article)
N/A.
Breast cancer health promotion in Qatar: A survey of community pharmacists' interests and needs
(
Springer Nature
, 2013 , Article)
Objectives Breast cancer is the most common cancer in women in Qatar. Despite the sustained efforts to increase breast cancer public awareness via campaigns and public screening programmes, breast cancer screening rate ...
Home diagnostic tests in the state of Qatar: A snapshot of public views, level of awareness and use
(
Springer Nature
, 2012 , Article)
Background In Qatar, home diagnostic tests are available over the counter in community pharmacies. While possibly beneficial, these tests have the potential for harm if they are used in the absence of pharmacist counseling. ...
Linear hydrogen gas sensors based on bimetallic nanoclusters
(
Elsevier Ltd
, 2016 , Article)
This work reports on the fabrication of hydrogen gas sensors based on bimetallic palladium-copper nanoclusters. The nanoclusters were generated by sputtering and inert-gas condensation inside an ultra-high vacuum (UHV) ...
A point symmetry based method for transforming ODEs with three-dimensional symmetry algebras to their canonical forms
(
Elsevier Inc.
, 2016 , Article)
We provide an algorithmic approach to the construction of point transformations for scalar ordinary differential equations that admit three-dimensional symmetry algebras which lead to their respective canonical forms.
Socially responsible investing and Islamic funds: New perspectives for portfolio allocation
(
Elsevier Ltd
, 2016 , Article)
The purpose of this paper is to investigate the performance of ethical and conventional investments. It examines also whether socially responsible and Islamic investments offer an additional opportunity for domestic investors ...
Shadow banking, insurance and financial sector stability
(
Elsevier Ltd
, 2017 , Article)
Motivated by the recent financial crisis and the near collapse of the insurance giant American International Group (AIG), we empirically study the link between the insurance sector, the size of the shadow system and financial ...