Browsing Research Units by Title
Now showing items 1336-1355 of 4726
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Effective Pedagogical Approaches Used in High School Chemistry Education: A Systematic Review and Meta-Analysis
( American Chemical Society , 2022 , Article)This article systematically reviews the pedagogical approaches adopted in high school chemistry education with the aim of highlighting the most effective evidence-based instructional practices reported in the literature. ... -
Effective policies to mitigate food waste in Qatar
( Academic Journals , 2020 , Article)This paper highlighted food waste as one of the biggest threats to food security that put pressure on the natural resources and limit the ecological capacity of land of Qatar to continue providing renewable resources. ... -
An Effective Practical Approach for Business Process Modeling and Simulation in Service Industries
( Wiley , 2016 , Article)Simulation imitates the behavior of real systems by applying different methods and applications. Business process modeling and simulation is a new quantitative approach to model, analyze, and improve the efficiency and ... -
Effectiveness of antipseudomonal antibiotics and mechanisms of multidrug resistance in Pseudomonas aeruginosa
( Polish Society of Microbiologists , 2016 , Article)Pseudomonas aeruginosa is a leading human pathogen that causes serious infections at various tissues and organs leading to life threatening health problems and possible deadly outcomes. Resistance patterns vary widely ... -
Effectiveness of Consistency Measures in Crash Prediction Models for Two-Lane Highways in Palestine
( Springer Verlag , 2018 , Article)Crash prediction models (CPMs) are important tools to predict the safety performance of highways based on their operational and geometric characteristics. Most of these models use geometric design characteristics to predict ... -
Effectiveness of Driver Simulator as a Driving Education Tool
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)The impact and validity of driving simulators as an educational tool in driving schools in the licensing process remains questioned in literature. Many driving schools utilize driving simulators as a tool to assist students ... -
Effectiveness of epoxy coating modified with yttrium oxide loaded with imidazole on the corrosion protection of steel
( MDPI , 2021 , Article)The search for highly effective corrosion protection solutions to avoid degradation of the metallic parts is enabling the development of polymeric organic coatings. Of particular relevance, polymeric nanocomposite coatings, ... -
Effectiveness of mRNA booster doses against the omicron variant
( Elsevier , 2022 , Other)Since its emergence in November, 2021, the omicron (B.1.1.529) variant of SARS-CoV-2 has rapidly spread and quickly overtaken the delta (B.1.617.2) variant as the most common cause of infection.1 Due to numerous spike ... -
THE EFFECTIVENESS OF PROJECT-ORIENTED PROBLEM-BASED LEARNING (POPBL) AS A PEDAGOGICAL APPROACH IN PROMOTING CRITICAL THINKING AMONG EFL UNDERGRADUATES IN A PRIVATE UNIVERSITY IN KUWAIT
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)In today's interconnected world, proficiency in language and cultural knowledge is crucial for effective global communication, surpassing geographical boundaries. This research investigates the impact of Problem-Oriented ... -
Effectiveness of Speed Limit Pavement Markings at Transition Zones Along Expressways
( IEEE , 2020 , Conference Paper)Transition zones are usually equipped with speed limit signs only. Drivers usually miss the speed limit information provided through the roadside signs and travel faster than the posted speed limit. This driving simulator ... -
Effectiveness of two and three doses of COVID-19 mRNA vaccines against infection, symptoms, and severity in the pre-omicron era: A time-dependent gradient
( Elsevier , 2024 , Article)BackgroundVaccines were developed and deployed to combat severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. This study aimed to characterize patterns in the protection provided by the BNT162b2 and ... -
Effects of ambient climate and three warming treatments on fruit production in an alpine, subarctic meadow community
( Wiley , 2021 , Article)Premise Climate change is having major impacts on alpine and arctic regions, and inter‐annual variations in temperature are likely to increase. How increased climate variability will impact plant reproduction is ... -
Effects of amphiphilic pluronic F127 on the performance of PS/SPEEK blend ultrafiltration membrane: Characterization and antifouling study
( Elsevier Ltd , 2017 , Article)The effect of amphiphilic Pluronic F127 additive on the ultrafiltration performance of polysulfone (PSf)/sulfonated poly (ether ether ketone) (SPEEK) blend flat sheet membranes was investigated in the present work. Fixed ... -
Effects of aniline concentrations on the electrical and mechanical properties of polyaniline polyvinyl alcohol blends
( Elsevier , 2015 , Article)Abstract In this work, we present an exclusive study on the effect of the feeding ratio of the monomer (aniline) on the structural, thermal, mechanical and electrical properties of polyaniline (PANI) polyvinyl alcohol (PVA) ... -
Effects of BA.1/BA.2 subvariant, vaccination, and prior infection on infectiousness of SARS-CoV-2 omicron infections.
( Oxford University Press , 2022 , Article)Compared to BA.1, BA.2 was associated with lower RT-qPCR cycle threshold (Ct) value-3.53 fewer cycles (95% CI: 3.46-3.60), signifying higher infectiousness. This may reflect higher viral load and/or longer duration of ... -
Effects of bottom substratum on survival and growth of early juveniles of blue swimming crab, Portunus pelagicus (Linnaeus, 1758) in captivity
( Triveni Enterprises , 2018 , Article)Aim : Cannibalism remains a limiting factor during the nursery culture of crabs. This study was undertaken to improvetherearingtechniquesbyinvestigating theimpactofbottom substratum on crablet survival and growth. The ... -
The effects of citizenship status on service utilization and general satisfaction with healthcare: a cross-cultural study
( Oxford University Press , 2016 , Article)Objective: To explore the role of citizenship status as a predictor of general satisfaction with healthcare services in Qatar, including potential interaction with utilization and health insurance coverage type. Design: ... -
Effects of Climate and Atmospheric Nitrogen Deposition on Early to Mid-Term Stage Litter Decomposition Across Biomes
( Frontiers Media , 2021 , Article)Litter decomposition is a key process for carbon and nutrient cycling in terrestrial ecosystems and is mainly controlled by environmental conditions, substrate quantity and quality as well as microbial community abundance ... -
Effects of Colombian oregano essential oil (Lippia origanoides Kunth) and Eimeria species on broiler production and cecal microbiota.
( Oxford University Press , 2019 , Article)The gut microbiota has an important effect on poultry health and production. The aim of this study was to evaluate the effect of Colombian oregano (COO), Lippia origanoides Kunth, essential oil supplementation on broiler ... -
Effects of Coupling Water and Fertilizer on Agronomic Traits, Sugar Content and Yield of Sugarcane in Guangxi, China
( MDPI , 2022 , Article)This work is a contribution to applied water and fertilizer coupling efforts aiming at increasing crop productivity on sugarcane plantations through the analysis of average cane yields obtained following main agronomic ...