تصفح Research Units حسب العنوان
السجلات المعروضة 4350 -- 4369 من 4774
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Upgrading Calcium Bentonite to Sodium Bentonite Using Seawater and Soda Ash
( American Chemical Society , 2019 , Article)In this paper, a new method is introduced to produce sodium bentonite by treating calcium bentonite using seawater to eliminate the use of freshwater and reduces the amount of soda ash required for the treatment, which ... -
Urban Climate Change Vulnerability, Responses, and Policies in Qatar: An Assessment
( Springer Nature , 2018 , Book chapter)Urban climate change policies are critical for reducing carbon emissions and increasing societal resilience to future risks. This is especially true for the countries of the Gulf Cooperation Council (GCC) which are arid ... -
Urban resilience and livability performance of European smart cities: A novel machine learning approach
( Elsevier , 2022 , Article)Smart cities are centres of economic opulence and hope for standardized living. Understanding the shades of urban resilience and livability in smart city models is of paramount importance. This study presents a novel ... -
Urban Traffic Monitoring and Modeling System: An IoT Solution for Enhancing Road Safety
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Qatar expects more than a million visitors during the 2022 World Cup, which will pose significant challenges. The high number of people will likely cause a rise in road traffic congestion, vehicle crashes, injuries and ... -
Urban water pricing in Yemen: a comparison of increasing block tariffs to other pricing schemes
( Routledge , 2017 , Article)This study examines the viability of increasing block tariffs (IBTs) to achieve the right balance between efficiency, financial requirements and equity, and compares them to alternative pricing schemes. Using numerical ... -
Urine tests for diagnosis of infectious diseases and antibiotic –resistant pathogens
( IntechOpen , 2019 , Book chapter)The relation between disease and urine was recognized by physicians since the earliest civilization BC. Urine is considered an ideal diagnostic specimen for its noninvasive and easy method of collection. Urinalysis encompasses ... -
Usage of Non-Linear Regression for Modeling the Behavior of Motor Vehicle Crash Fatality (MVF) Rate
( IEOM Society , 2017 , Conference Paper)Data analysis for vehicular crash counts is essential for transportation and traffic management systems (TTMS) to develop practical and innovative road safety interventions. The crash trend analysis, in particular, is the ... -
Use and assessment of “e-plastics” as recycled aggregates in cement mortar
( Elsevier , 2019 , Article)© 2019 Elsevier B.V. In this study we investigated the physical and mechanical properties of cement mortars, partially replaced with plastic (recycled plastic aggregate, RPA) recovered from WEEE (namely, “e-plastics”). The ... -
Use of Animal Models for Investigating Cardioprotective Roles of SGLT2 Inhibitors
( Springer , 2023 , Article Review)Sodium-glucose co-transporter 2 (SGLT2) inhibitors represent one type of new-generation type 2 diabetes (T2DM) drug treatment. The mechanism of action of an SGLT2 inhibitor (SGLT2i) in treating T2DM depends on lowering ... -
Use of CAPI in surveys data collection SESRI experience
( The Social and Economic Survey Research Institute, Qatar University , 2011 , Presentation)In this presentation, we explained the technical challenges and how SESRI solved them to conduct successful CAPI surveys; also, we showed how SESRI dealt with the Qatari society in particular to make the interviewing ... -
Use of co-solvents in hydrothermal liquefaction (HTL) of microalgae
( MDPI AG , 2019 , Article)This study reviewed and summarized the literature regarding the use of alcohols during hydrothermal liquefaction (HTL) of algal biomass feedstocks. The use of both pure alcohols and alcohol-water co-solvents were considered. ... -
Use of computational fluid dynamics for solar desalination system: a review
( Taylor and Francis Ltd. , 2021 , Article Review)Only about one percent of the world's water is potable, with the remainder being saline in nature. Saline water is converted to drinkable water through the use of solar energy in the process of solar desalination. In the ... -
Use of Electrical Resistivity Tomography to Study the Impact of Long-Term Application of Sewage Sludge: Case Study of Oued Souhil Experimental Station, Nabeul (Tunisia)
( Springer , 2022 , Conference Paper)Soil salinization following repetitive applications of sewage sludge (S.S.) is a major environmental impediment with severe adverse impacts on agricultural productivity and sustainability, particularly in arid and semiarid ... -
USE OF EPORTFOLIOS IN K-12 TEACHER HIRING IN NORTH CAROLINA: PERSPECTIVES OF SCHOOL PRINCIPALS
( Association for Supervision and Curriculum Development , 2012 , Article)This study explored the perceptions of principals involved in the hiring process of K–12 teachers in 11 counties in southeastern North Carolina. Forty-nine principals responded to a survey on ePortfolio use in the hiring ... -
Use of GIS or Mapping for Case Assignment
( The Social and Economic Survey Research Institute, Qatar University , 2012 , Presentation)A technical paper where I presented SESRI way to locate potential respondent in CAPI surveys using GPS and paper maps to assist field interviewers to locate housed and offices easily and effectively, in this presentation, ... -
Use of Hemagglutinin Stem Probes Demonstrate Prevalence of Broadly Reactive Group 1 Influenza Antibodies in Human Sera.
( Nature Publishing Group , 2018 , Article)A better understanding of the seroprevalence and specificity of influenza HA stem-directed broadly neutralizing antibodies (bNAbs) in the human population could significantly inform influenza vaccine design efforts. Here, ... -
Use of lignite as a low-cost material for cadmium and copper removal from aqueous solutions: Assessment of adsorption characteristics and exploration of involved mechanisms
( MDPI , 2021 , Article)Lignite, as an available and low-cost material, was tested for cadmium (Cd) and copper (Cu) removal from aqueous solutions under various static experimental conditions. Experimental results showed that the removal efficiency ... -
Use of solar photovoltaic with active solar still to improve distillate output: A review
( Elsevier B.V. , 2020 , Article Review)Solar energy is a need of the hour and very important source for the all living organisms. Due to increment in global warming as well as pollution, solar energy utilization is required and it is replaced by the conventional ... -
Use of waste marble powder for the synthesis of novel calcium-rich biochar: Characterization and application for phosphorus recovery in continuous stirring tank reactors
( Elsevier , 2023 , Article)This study investigates—for the first time—the synthesis of a novel Ca-rich biochar (N–Ca–B) and its potential use for phosphorus (P) recovery from both synthetic solutions (SS) and treated urban wastewater (TUW) in a ... -
Usefulness of In-Situ Synchrotron Study on Scale Formation during CO2 Corrosion of Mild Steel: A Review
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Despite the availability of the detailed knowledge about the chemical, electrochemical and transport processes associated with the formation of ferrous carbonate during CO2- corrosion of mild steel, information available ...
