Browsing by Title
Now showing items 1163-1182 of 48376
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A Probabilistic Source Location Privacy Protection Scheme in Wireless Sensor Networks
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)With the recent developments of wireless sensor networks (WSNs), computing and communication have experienced huge advancement. Meanwhile, security has not received the same attention to go along with such developments. ... -
A problem-oriented approach to represent and manage knowledge in PBL
( Asia-Pacific Society for Computers in Education , 2015 , Conference Paper)In traditional subject-based learning knowledge is well-structured and prepared in advance by the teachers before transferring in the form of a lecture presentation. However, the knowledge learned in problem-based learning ... -
A process design approach to manage the uncertainty of industrial flaring during abnormal operations
( Elsevier Ltd , 2018 , Article)Flare management challenges are related to the flaring uncertainty during abnormal situations. In this work, a multi-objective optimization framework is upgraded with multi-period optimization and Monte Carlo simulation ... -
A process for CO2 capture and brine salinity reduction through reaction with potassium hydroxide: A multi-stage evaluation
( Elsevier B.V. , 2022 , Article)Solvay and modified Solvay processes are facing a major challenge in reducing brine salinity to a level suitable for agriculture and industry. This challenge arises as a result of competing reactions and mixing limits ... -
A Process Model for Customisation of Software in Multi-tenant SaaS Model
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)This paper outlines a generic process framework for customisation of software in cloud computing. The flexibility for client-specific customisation of the software offered by software-as-a-service (SaaS) is limited. The ... -
A profile of journalists in Qatar: traits, attitudes and values
( Taylor and Francis , 2016 , Article)This study draws a portrait of media practitioners in Qatar in terms of educational background, working conditions, and professional orientations. The main research tool of this study is the survey method. An 88-item ... -
A Profile of Journalists in Qatar: Traits, Attitudes and Values
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)The Qatari media system is emerging rapidly to cater for the rapid socio-economic change and sustainable development the country is witnessing since its independence in December 18th, 1997. Since the accession of H.H Sheikh ... -
A program evaluation reporting student perceptions of early clinical exposure to primary care at a new medical college in Qatar
( BioMed Central Ltd , 2021 , Article)Background: Though common practice in Europe, few studies have described the efficacy of early clinical exposure (ECE) in the Middle East. The barriers to clinical learning experienced by these novice medical students have ... -
A program for obese youth at-risk for diabetes in Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2015 , Article)Background: Obesity is an international public health problem well documented in Qatar among children and adolescents and contributes to diabetes, a disease already highly prevalent in the country. We describe an intervention ... -
A promising non-orthogonal multiple access based networking architecture: Motivation, conception, and evolution
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)Since it can offer higher spectral efficiency by granting the served data to share the same spectrum resource synchronously, NOMA is considered as a bright multiple access technique for future wireless networks. Accommodating ... -
A proportional power sharing method through a local control for a low-voltage islanded microgrid
( Elsevier Ltd , 2022 , Article)In this paper, the proportional power sharing is focused through proposing a modified reverse droop control (RDC) scheme in a low-voltage (LV) islanded microgrid. The power is shared proportionally among parallel ... -
A prospective concept on the fabrication of blend pes/peg/dmf/nmp mixed matrix membranes with functionalised carbon nanotubes for co2/n2 separation
( MDPI AG , 2021 , Article Review)With an ever-increasing global population, the combustion of fossil fuels has risen immensely to meet the demand for electricity, resulting in significant increase in carbon dioxide (CO2 ) emissions. In recent years, CO2 ... -
A Prospective Implementation of Plant-Associated Microbes for a Sustainable Agriculture in Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Abstract Background: The plant growth and production rely on the supporting favorable environmental conditions throughout its growing stages. In harsh environmental conditions such as in Qatar, agricultural growth is limited ... -
A proteomic investigation of Aspergillus carbonarius exposed to yeast volatilome or to its major component 2-phenylethanol reveals major shifts in fungal metabolism
( Elsevier B.V. , 2019 , Article)The use of yeast-derived volatile organic compounds (VOCs) represents a promising strategy for the biological control of various plant pathogens, including mycotoxin-producing fungi. Previous studies demonstrated the ... -
A protocol for the detection of genetic markers in saliva by polymerase chain reaction without a nucleic acid purifi cation step: Examples of SARS-CoV-2 and GAPDH markers
( Danylo Halytskyi Lviv National Medical University , 2021 , Article)Introduction. Polymerase chain reaction (PCR)-based diagnostic tests use purifi ed nucleic acids (NAs) from clinical samples. The NAs purifi cation step adds time, cost, and aff ects the quality of testing. The objective ... -
A protocol to investigate the stability of 0.9% sodium chloride IV fluid bags in the prehospital setting of Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2022 , Article)Background: 0.9% sodium chloride (NaCl) fluid bags are commonly stored in ambulances. Despite that the ambulances normally use air-conditioning during operational shifts, NaCl bags are exposed to deviations from the ... -
A PSO approach for robust aircraft routing
( IEEE Computer Society , 2016 , Conference Paper)To mitigate the impact of unpredictable disruptions, airlines are seeking to proactively design schedules that incorporate some robustness features. In this paper, we propose a novel simulation-optimization approach using ... -
A psychometric analysis of a newly developed summative, multiple choice question assessment adapted from Canada to a Middle Eastern context
( Elsevier Inc. , 2018 , Article)Introduction: Accreditation necessitates that assessment methods reflect the standards established by the accrediting body. The process of adapting assessments to a new context can present unique challenges with uncertainty ... -
A psychometric analysis of the child behavior checklist for elementary school children in Qatar
( SAGE Publications Inc. , 2016 , Article)The Child Behavior Checklist for children 6 to 18 (CBCL/6-18) is a widely used, standardized parent rating scale. However, few studies have tested the psychometric properties of this instrument in the Arab world despite ... -
A Pulsewidth Modulation Technique for High-Voltage Gain Operation of Three-Phase Z-Source Inverters
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)Z-source inverter (ZSI) was recently proposed as a single-stage buck-boost dc-ac power conversion topology. It augments voltage boost capability to the typical voltage buck operation of the conventional voltage source ...
