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السجلات المعروضة 1336 -- 1355 من 4700
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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 ... -
Effects of date palm leaf fiber on the thermal and tensile properties of recycled ternary polyolefin blend composites
( Korean Fiber Society , 2017 , Article)This work investigated the effects of date palm leaf fiber (DPLF) content on the thermal and tensile properties; and morphology of compatibilized polyolefin ternary blend. Recycled polyolefin ternary blend consisting of ... -
The effects of environmental innovations on CO2 emissions: Empirical evidence from Europe
( Elsevier Ltd , 2021 , Article)Environmental innovations are key enablers of transition towards greener economies. Despite their importance, empirical studies examining the effect of green technologies on CO2 emissions are still limited. Using an ... -
Effects of estrogen on Survival and Neuronal Differentiation of adult human olfactory bulb neural stem Cells Transplanted into Spinal Cord Injured Rats
( Cold Spring Harbor Laboratory Press , 2019 , Article)In the present study we developed an excitotoxic spinal cord injury (SCI) model using kainic acid (KA) to evaluate of the therapeutic potential of human olfactory bulb neural stem cells (h-OBNSCs) for spinal cord injury ... -
Effects of flow on scales formation in a CO2saturated brine environment
( Electrochemical Society Inc. , 2016 , Conference Paper)A significant amount of literature exists demonstrating the effect of CO2 on corrosion scale formation under non-flow conditions. However, literature available on the effects of flow on the nature and protectivity of ... -
The Effects of Gum Acacia on the Composition of the Gut Microbiome and Plasma Levels of Short-Chain Fatty Acids in a Rat Model of Chronic Kidney Disease
( Frontiers Media , 2020 , Article)Chronic kidney disease (CKD) may be fatal for its victims and is an important long-term public health problem. The complicated medical procedures and diet restrictions to which patients with CKD are subjected alter the gut ... -
Effects of incorporating pine-woodchip biochar with reduced NP fertilizer on calcareous soil characteristics, organic carbon, NPK availability, and maize productivity
( Elsevier , 2023 , Article)Purpose: One of the successful and sustainable methods to restore low-fertility soils over the past few decades has been the integrated effect of biochar made from various feedstocks and chemical fertilizers. However, the ... -
The Effects Of Individual Entrepreneurial Orientation and Self-Efficacy Dimensions On Project Performance Among University Students
( World Scientific , 2023 , Article)The literature on corporate entrepreneurship has discussed the role of entrepreneurship orientation (EO) and self-efficacy in enhancing venture creation and a firm's growth. In contrast, the effect of EO and self-efficacy ...
