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السجلات المعروضة 1173 -- 1192 من 48376
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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 ... -
A PV powered DC shunt motor: Study of dynamic analysis using maximum power Point-Based fuzzy logic controller
( Elsevier Ltd , 2022 , Article)Solar cells absorb sun light and convert it into electricity. However, the infrastructure of solar cells, their initial cost, energy conversion and efficiency could raise some challenges and concerns. This is because of ... -
A QoE-Aware Joint Resource Allocation and Dynamic Pricing Algorithm for Heterogeneous Networks
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)The rise of third-party content providers and the introduction of numerous applications has been driving the growth of mobile data traffic in the past few years. The applications' various Quality of Service (QoS) requirements ... -
A qualitative exploration of clozapine prescribing and monitoring practices in the Arabian Gulf countries
( Elsevier B.V. , 2019 , Article)Clozapine is considered as the first line antipsychotic for treatment resistant schizophrenia (TRS). Worldwide reports indicate an overall underutilization of clozapine in patients experiencing TRS. This study aims to ... -
A qualitative study exploring medical representatives' views on current drug promotion techniques in Yemen
(2012 , Article)Medical representatives are a key component of the marketing strategies used to convince physicians to prescribe targeted drugs. The perspectives of medical representatives on the extent and composition of pharmaceutical ... -
A qualitative study of student attitudes, perceptions, beliefs, outlook and context in Qatar: Persistence in higher education
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Article)This study attempts to address the challenges of students in higher education in Qatar. The study draws on student perceptions, beliefs, outlook, and context; we approach the study through grounded means by posing leading ... -
A Qualitative Study of Student Perceptions, Beliefs, Outlook and Context in Qatar: Persistence in Higher Education
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Qatar has gone through an educational reform in year 2000; its educational and particularly schooling system went through a major overhaul from K-12 reaching higher education providers. The major reasons for the educational ... -
A Qualitative Study on Implementation of the Intelligent Bed: Findings from a Rehabilitation Ward at a Large Chinese Tertiary Hospital
( Springer New York LLC , 2016 , Article)The intelligent bed, a mechanical hospital bed equipped with several electronic sensor functions, is an assistive healthcare solution intended to reduce the manual workload of health professionals by providing valuable ... -
A Quality Assessment Directory for Evaluating Multi-functional Public Spaces
( Sciendo , 2021 , Article)Public spaces facilitate opportunities for social interaction and promote social life. The social-spatial complexity of public spaces can be explored through the relationship between built forms and users' daily social ... -
A quality of experience model for haptic virtual environments
( Association for Computing Machinery , 2014 , Article)Haptic-based Virtual Reality (VR) applications have many merits. What is still obscure, from the designer's perspective of these applications, is the experience the users will undergo when they use the VR system. Quality ... -
A quality of experience-aware association algorithm for 5G heterogeneous networks
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)The rise of Over The Top (OTT) content providers and the introduction of numerous applications has been driving the growth of mobile data traffic in the past few years. The applications' various Quality of Service (QoS) ...
