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السجلات المعروضة 1390 -- 1409 من 48001
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A Survey on Deep-Learning-Based Diabetic Retinopathy Classification
( MDPI , 2023 , Article Review)The number of people who suffer from diabetes in the world has been considerably increasing recently. It affects people of all ages. People who have had diabetes for a long time are affected by a condition called Diabetic ... -
A survey on educational ontologies and their development cycle
( Springer New York LLC , 2016 , Conference Paper)Nowadays, the grid of Internet has demonstrated to be plentiful and tremendous data source of information, where diverse domains can be reached and mined. Semantic web is part of the Internet grid where knowledge is provided ... -
A Survey on Mobile Crowd-Sensing and Its Applications in the IoT Era
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article Review)Mobile crowd-sensing (MCS) is a new sensing paradigm that takes advantage of the extensive use of mobile phones that collect data efficiently and enable several significant applications. MCS paves the way to explore new ... -
A Survey on Mobile Edge Computing for Video Streaming: Opportunities and Challenges
( IEEE , 2022 , Article)5G communication brings substantial improvements in the quality of service provided to various applications by achieving higher throughput and lower latency. However, interactive multimedia applications (e.g., ultra high ... -
A survey on recent approaches in intrusion detection system in IoTs
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Internet of Things (IoTs) are Internet-connected devices that integrate physical objects and internet in diverse areas of life like industries, home automation, hospitals and environment monitoring. Although IoTs ease daily ... -
A survey on selfreported handling practices and food safety knowledge of workers at the major produce market in Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)Food handling practices (FHP) is one of the most important stage where microbes can be introduced into produce through the infected food handlers or by cross-contamination. The fresh produce market in Doha, Qatar is the ... -
A survey on service function chaining
( Academic Press , 2016 , Article)Cloud computing is gaining significant attention and virtualized datacenters are becoming popular as a cost-effective infrastructure. The network services are transitioning from a host-centric to a data-centric model moving ... -
A survey on the awareness and attitude of pharmacists and doctors towards the application of pharmacogenomics and its challenges in Qatar
( John Wiley & Sons, Ltd. , 2015 , Article)RATIONALE, AIMS AND OBJECTIVES: Pharmacists are expected to play an important role in applying pharmacogenomics discoveries to patient care. Despite the increased attention to genetic research in Qatar, clinicians' attitudes ... -
A Survey on the Awareness and Attitude of Physicians on Direct Oral Anticoagulants in Qatar
( SAGE Publications Inc. , 2018 , Article)Direct oral anticoagulants (DOACs) are more commonly prescribed since their introduction. Reports on inappropriate prescribing have been observed which may indicate poor awareness on these agents. In this study, we aim to ... -
A sustainable approach to synthesize phosphonated chitosan using ball milling and its application for oilfield scale management
( Royal Society of Chemistry , 2022 , Article)For many years, the oil and gas industry has strived to develop environmentally friendly organophosphorus-based scale inhibitors. The natural polymer chitosan has recently gained significant importance for various upstream ... -
A Switched Capacitor Triple Boost Single-Source Thirteen-level Inverter
( Institute of Electrical and Electronics Engineers Inc. , 2023 , Conference Paper)Switched capacitor (SC) networks are generally used to increase the voltage gain of inverters. This work proposes a single-phase switched capacitor multilevel inverter (MLI) capable of producing 13 levels of output voltage ... -
A Switched Capacitor-Based 13-Level Inverter With Reduced Switch Count
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)In this article, a 13-level switched capacitor multilevel inverters (SC-MLI) based single-phase inverter is proposed in which desired levels of output ac voltage are realized with reduced number of switch counts. The ... -
A switched PV approach for extracted maximum power enhancement of PV arrays during partial shading
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)This paper proposes a switched photovoltaic (PV) approach to enhance the extracted maximum power from a PV array during partial shading conditions. The proposed system is simple and cost effective. However, it may provide ... -
A switched-capacitor multilevel inverter topology employing a novel variable structure nearest-level modulation
( John Wiley and Sons Ltd , 2021 , Article)This article introduces a nine-level switched-capacitor multilevel inverter with twice voltage boosting feature. It also aims at proposing a novel variable structure nearest-level modulation scheme that has been implemented ... -
A Switched-Capacitor Submodule for Modular Multilevel HVDC Converters with DC-Fault Blocking Capability and a Reduced Number of Sensors
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)Modular multilevel converters (MMCs) have become one of the most promising topologies for high-voltage dc-ac conversion. DC-side fault blocking capability of the MMC has prompted significant research in recent years. In ... -
A Switching-Gain Controller for Grid-Connected MMC Complying with Voltage Ride-Through Requirements
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Connecting high-power Renewable Energy Sources (RESs) to the utility grid has to be secured considering international standards to guarantee the efficiency, reliability, and stability of the power system. Redundancy, ... -
A synchronous DQ frame controller via an LCL coupled filter under unbalanced three-phase voltage supply conditions
( IEEE , 2011 , Conference Paper)This paper proposes a synchronous DQ frame current controller for inverter based interfaced systems. The grid voltage may be unbalanced, possibly due to unequal line impedance. The output active and reactive powers oscillate ... -
A Synergetic Trust Model Based on SVM in Underwater Acoustic Sensor Networks
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)Underwater acoustic sensor networks (UASNs) have been widely applied in underwater scenarios where numerous anchoring or floating sensor nodes collaborate in performing some specific assignments, such as information ... -
A system thinking approach for harmonizing smart and sustainable city initiatives with United Nations sustainable development goals
( John Wiley and Sons Ltd , 2020 , Article)Technology has indispensably been a part of the city evolution throughout history. In recent years, there has been a shift in the pattern of development in smart cities, where smart cities attempt to embrace practices of ... -
A systematic approach for design and simulation of monoethylene glycol (MEG) recovery in oil and gas industry
( John Wiley and Sons Ltd , 2020 , Article)Monoethylene glycol (MEG) is a widely used hydrate inhibitor in the oil and gas industry to reduce the risk of hydrate formation in pipelines that could cause a blockage. For flow assurance and hydrate inhibition purposes, ...
