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السجلات المعروضة 2419 -- 2438 من 4870
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Introduction and expansion of the SARS-CoV-2 B.1.1.7 variant and reinfections in Qatar: A nationally representative cohort study
( Public Library of Science , 2021 , Article)Background The epidemiology of the SARS-CoV-2 B.1.1.7 (or Alpha) variant is insufficiently understood. This study’s objective was to describe the introduction and expansion of this variant in Qatar and to estimate the ... -
Introduction of Biopolymer Composites: What to do in Electronics?
( Elsevier Inc. , 2017 , Book chapter)Environment friendly, biodegradable and nontoxic materials especially from renewable resources are attaining great levels of attention nowadays. Biopolymers contribute a very significant division of materials through which ... -
Introduction to reservoir fluids and rock properties
( Elsevier , 2023 , Book chapter)Hydrocarbon reservoirs contain gas, oil, water, and brine within the pores. The interactions between these fluids and the reservoir rocks have a considerable role in distributing the phases in the porous media. Understanding ... -
Intrusion Detection System for Healthcare Systems Using Medical and Network Data: A Comparison Study
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)Introducing IoT systems to healthcare applications has made it possible to remotely monitor patients' information and provide proper diagnostics whenever needed. However, providing high-security features that guarantee the ... -
Investigating a university library building evacuation in Pakistan during a semi-announced fire drill
( John Wiley & Sons , 2022 , Article)Evacuation models represent one of the main tools used to assess building fire safety. Existing evacuation models are based on data from evacuation drills in western and developed countries, while there is a need for data ... -
Investigating algal CO2 capture through screening of Qatari desert microalgae & cyanobacteria strains
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)CO2 fixation by phototrophic microalgae has been addressed as a possible global carbon emissions reducer, whilst simultaneously producing useful products. Especially in Qatar, the prospect of using microalgae for CO2 ... -
Investigating chlorophyll and nitrogen levels of mangroves at Al-Khor, Qatar: an integrated chemical analysis and remote sensing approach. Environmental Monitoring and Assessment
( Springer Verlag , 2016 , Article)Mangroves are unique ecosystems that dominate tropical and subtropical coastlines around the world. They provide shelter and nursery to wide variety of species such as fish and birds. Around 73 species of mangroves were ... -
Investigating office buildings evacuations using unannounced fire drills: The case study of CERN, Switzerland
( Elsevier , 2021 , Article)The main objective of this paper is to explore evacuees' behaviour during an unannounced fire drill using data collected in two office buildings located at CERN, in Switzerland. Overall, a total of 142 pre-evacuation time ... -
Investigating the attitudes of Egyptian drivers toward traffic safety
( Elsevier , 2022 , Article)One of the main pillars for improving road safety in any country is a good understanding of traffic safety culture and the driving behavior of local drivers. The primary aim of this study was to determine whether Egyptian ... -
Investigating the behavior of railroad ballast in a box test under sinusoidal & simulated train loading
( National Technical University of Athens , 2019 , Conference Paper)The use of railway transportation systems has been increased throughout the years. Conventional ballasted tracks have been widely used in many countries around the world. Ballast material is the basic element in ballasted ... -
Investigating the biodiversity and current status of the historically renowned oyster beds of Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2015 , Conference Paper)The "Pearl Oyster" Pinctada radiata has long been associated with the nation of Qatar. Historically pearl oysters were harvested in huge quantities in the Arabian Gulf with Qatari pearls making up a large percentage of the ... -
Investigating the concomitant removal of hydrocarbons and heavy metals by highly adapted Bacillus and Pseudomonas strains
( Qatar University Press , 2021 , Poster)This study investigates the concomitant removal of hydrocarbons and heavy metals by highly adapted Bacillus and Pseudomonas strains. In regions characterized by harsh conditions such as Qatar, the weathering processes would ... -
Investigating the Effect of a Proposed Educational Robot on Students‘ Motivation and Learning of Thermodynamic Concepts
(2024 , Conference Paper)Research in Morocco shows a decrease in motivation and learning of physics subjects for Moroccan middle school students, which negatively impacts their school achievement. The present study aims to identify the effect of ... -
Investigating the Efficiency and Safety of Signalized Intersections Under Mixed Flow Conditions of Autonomous and Human-Driven Vehicles
( Springer , 2020 , Article)© 2020, King Fahd University of Petroleum & Minerals. Field experiments of autonomous driving systems have already been started in several countries around the world. However, investigations on the performance of signalized ... -
Investigating the impact of a novel active gap metering signalization strategy on driver behavior at highway merging sections
( Elsevier Ltd , 2021 , Article)A safe headway to the lead vehicle is important to reduce conflicts with merging vehicles from highway on-ramps. Previous research has outlined the advantage of gap metering strategies to yield sufficient space to merging ... -
Investigating the impact of dynamic merge control strategies on driving behavior on rural and urban expressways – A driving simulator study
( Elsevier Ltd , 2019 , Article)Harsh decelerations and abrupt lane changes of drivers on the outer expressway lane in response to merging platoon vehicles from on-ramps increase the crash- and congestion risk on expressways. Several merge control ... -
Investigating the impact of innovative treatments on driving behavior at school bus stops: A driving simulator study
( Qatar University Press , 2021 , Poster)The illegal overtaking/crossing of stopped school buses has been identified as one of the leading causes of students' injuries and fatalities. The likelihood of students in getting involved in a school bus-related crash ... -
Investigating the Impacts of Graphical Route Information Panel Layouts on Drivers’ Comprehension and Response Time
( Springer Verlag , 2019 , Article)Graphical route information panels (GRIPs) are an alternative to conventional text-based variable message signs to address different traveler information needs. Since drivers are traveling at higher speeds on the motorways, ... -
Investigating the individual interests of undergraduate students in STEM disciplines
( Frontiers Media SA , 2024 , Article)Despite massive investments in the education sector to empower youth in Qatar, a vital concern remains to retain students in science, technology, engineering, and mathematics (STEM) disciplines at the undergraduate level. ... -
Investigating the potential of using solid waste generated from stone cutting factories for phenol removal from wastewater: A study of adsorption kinetics and isotherms
( Elsevier , 2023 , Article)Remarkably toxic, phenol requires efficient elimination from water. This study investigates the utilization of solid waste generated by stone-cutting factories for extracting phenol from wastewater. The solid waste underwent ...
