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Now showing items 3204-3223 of 49388
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Assessment of SnO2 nanoparticles' impact on local Pichoclorum atomus growth performance, cell morphology and metabolites content
( Qatar University Press , 2021 , Poster)Oxide nanoparticles are among the most used nanomaterials and have received considerable attention over their potential ecological effects. Increasing investigations report toxicity of certain oxide nanoparticles, however, ... -
Assessment of SnO2 nanoparticles' impact on the growth of Picochlorum maculatum algae
( Royal Society of Chemistry , 2022 , Article)To determine the effect of SnO2 nanoparticles on Picochlorum maculatum - isolated from a Qatar marine environment, algal growth media are amended with different nanoparticle concentrations (1, 5, 25, 50, and 100 mg L−1) ... -
Assessment of Student Learning Outcomes for Assurance of Learning at Qatar University
( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference Paper)From 2006 to 2012 Qatar University transitioned from doing no program level outcomes-based assessment of student learning to implementation of a robust, effective, and institutionally pervasive Student Learning Outcomes ... -
Assessment of supply chain risks susceptibility in SMEs using digraph and matrix methods
( Inderscience Publishers , 2016 , Article)Risk management in a supply chain context has emerged as a big challenge for the organisations. Supply chain risks are so varied in nature that it is impossible to completely eliminate them. Further, these risks are ... -
Assessment of Tarmat contamination and its chemical characterization along the west coast of Qatar, Arabian Gulf
( Qatar University Press , 2020 , Poster)Tarmat/Oil residue (hereafter 'TM') is one of the serious threats to the marine ecosystem due to their toxicity, persistence and bioaccumulation problems. To assess the level of TM contamination and to determine the primary ... -
Assessment of Temporal Variation of Fish Assemblages between Natural and Artificial Reefs
(2021 , Master Thesis)Well-defined coral reefs and patches with high density of fishes were reported in the Arabian Gulf. Due to environmental and anthropogenic disturbances, especially due to coastal development, coral reef cover starts ... -
Assessment of tetrabromobisphenol-A (TBBPA) content in plastic waste recovered from WEEE
( Elsevier , 2019 , Article)Due to the variability of additives and polymer types used in electrical and electronic equipment (EEE), and in accordance with the European Directive 2012/19/EU, an implementation of sound management practices is necessary. ... -
Assessment of the algae-based biofertilizer influence on date palm (Phoenix dactylifera L.) cultivation
( Springer Netherlands , 2019 , Article)Date palm (Phoenix dactylifera L.) is the main fruit crop found in the arid and semi-arid regions of the world. It naturally adapts to the adverse environments of extreme heat and water scarcity and prevents further ... -
Assessment of the antidiabetic potential of extract and novel phytoniosomes formulation of Tradescantia pallida leaves in the alloxan-induced diabetic mouse model
( Wiley , 2023 , Article)Diabetes inflicts health and economic burdens on communities and the present antidiabetic therapies have several drawbacks. Tradescantia pallida leaves have been used as a food colorant and food preservative; however, to ... -
Assessment of the attitude, awareness and practice of periprocedural warfarin management among health care professional in Qatar. A cross sectional survey
( Springer , 2020 , Article)It is estimated that 10–15% of oral anticoagulant (OAC) patients, would need to hold their OAC for scheduled surgery. Especially for warfarin, this process is complex and requires multi-layer risk assessment and decisions ... -
Assessment of the availability and rationality of unregistered fixed dose drug combinations in Nepal: a multicenter cross-sectional study
( BioMed Central Ltd , 2017 , Article)Background: The medications that are registered and available in a country are meant for the prevention and treatment of ailments and diseases. However, a lack of effective regulatory bodies and operative control mechanisms, ... -
ASSESSMENT OF THE AWARENESS AND AVAILABILITY OF MANAGERIAL SKILLS AND LEADERSHIP COMPETENICES AMONG QATARI LEADERS: CASE STUDY OF OOREDOO TELECOM
(2023 , Dissertation)This study aims to assess the degree to which Qatari leaders are aware of the managerial skills and leadership competencies that they should possess on one hand and the actual availability of these skills and competencies ... -
Assessment of the Current Frequency Calculation Methods Used in the Determination of the Dynamic Modulus Value in Pavement Design and Analysis
( Qatar University Press , 2023 , Conference Paper)The dynamic modulus |E*| is used in the Mechanistic-Empirical Pavement Design Guide (MEPDG) to express the viscoelasticity of asphalt material at a range of temperatures and loading frequencies. As a result, the current ... -
Assessment of the environmental health of an ecologically sensitive, semi-enclosed, basin - A water quality modelling approach.
( Elsevier , 2018 , Article)Semi-enclosed basins are environmentally dynamic and some of the most anthropogenically affected components of the coastal realm. They can reflect various environmental impacts, thus qualifying as natural laboratories to ... -
Assessment Of The Global Fallout Of Plutonium Isotopes In The Topsoil Of Qatar: Establishing A Baseline Concentrations Of 238pu, 239pu, And 240pu
( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference Paper)A radio-analytical technique for determination of plutonium (Pu) isotopes in soil samples is tested against NIST and IAEA standard reference materials to determine its accuracy and precision for reliable results. The ... -
An assessment of the index of rational drug prescribing for severe acute respiratory infections among hospitalised children in Northern Nigeria: a retrospective study
( Taylor & Francis , 2024 , Article)Background: This study evaluated drug use pattern among hospitalized children with severe acute respiratory infection (SARI) in Nigeria. Research design and methods: A retrospective assessment of prescribed medicines for ... -
Assessment of the Influence of Hydrogen Share on Performance, Combustion, and Emissions in a Four-Stroke Gasoline Engine
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Article)This study aims to develop a one-dimensional model to investigate the effect of hydrogen share in gasoline fuel on the performance, combustion, and exhaust emissions of a gasoline direct-injection engine. Iso-octane was ... -
Assessment of the Neutralizing Antibody Response of BNT162b2 and mRNA-1273 SARS-CoV-2 Vaccines in Naïve and Previously Infected Individuals: A Comparative Study
( MDPI , 2022 , Report)The currently authorized mRNA COVID-19 vaccines, Pfizer-BNT162b2 and Moderna-mRNA-1273, offer great promise for reducing the spread of the COVID-19 by generating protective immunity against SARS-CoV-2. Recently, it was ... -
Assessment of the Protection of Shareholders in Egypt
( Brill Academic Publishers , 2016 , Article)Egypt has opened the gate for international investment, especially after the 25 January Revolution in 2011, to compensate investments lost both during and after the revolution. Expanding shareholder protection laws may ... -
Assessment of the Risk of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Reinfection in an Intense Reexposure Setting
( NLM (Medline) , 2021 , Article)BACKGROUND: Risk of reinfection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is unknown. We assessed the risk and incidence rate of documented SARS-CoV-2 reinfection in a cohort of laboratory-confirmed ...
