Browsing Academic by Title
Now showing items 19515-19534 of 26131
-
Steel Reinforced Grout for Strengthening of RC T-section Beams Deficient in Shear
( Qatar Univesrity Press , 2020 , Conference Paper)numerous causes. Thus, proper strengthening and rehabilitation techniques are required to restore the strength and extend the service life of the structures. Steel reinforced grout (SRG) has recently been introduced as an ... -
Steel slag promoted electrocoagulation process for the treatment of produced water
( Desalination Publications , 2020 , Article)Produced water is a by-product produced from the oil and gas industry. It poses a significant threat to the environment due to its high salinity and high pollutant concentration. In this paper, steel slag was used to enhance ... -
Steel-Making dust as a potential adsorbent for the removal of lead (II) from an aqueous solution
( Elsevier B.V. , 2018 , Article)The presence of high concentrations of toxic heavy metals such as lead Pb(II) in water is a major hazard to human health and may have a detrimental effect on the aquatic life and the environment. Implementing an efficient ... -
Stego-eHealth: An eHealth System for Secured Transfer of Medical Images Using Image Steganography
( Qatar University Press , 2021 , Poster)COVID pandemic has necessitated the need for virtual and online health care systems to avoid contacts. The transfer of sensitive medical information including the chest and lung X-ray happens through untrusted channels ... -
Stem cell-based approaches in cardiac tissue engineering: controlling the microenvironment for autologous cells
( Elsevier , 2021 , Article)Cardiovascular disease is one of the leading causes of mortality worldwide. Cardiac tissue engineering strategies focusing on biomaterial scaffolds incorporating cells and growth factors are emerging as highly promising ... -
Stem cells based in vitro models: Trends and prospects in biomaterials cytotoxicity studies
( IOP Publishing Ltd , 2021 , Article)Advanced biomaterials are increasingly used for numerous medical applications from the delivery of cancer-targeted therapeutics to the treatment of cardiovascular diseases. The issues of foreign body reactions induced by ... -
STEM learning during the COVID-19 pandemic in Qatar: Secondary school students’ and teachers’ perspectives
( Modestum LTD , 2022 , Article)This study examines how students and teachers perceive science, mathematics, engineering and technology (STEM) learning during the COVID-19 pandemic. Data was collected through student and teacher surveys, conducted in 22 ... -
A STEM model to engage students in sustainable science education through sports: A case study in Qatar
( MDPI , 2021 , Article)Sports has the potential to integrate with different scientific subjects, including materials science and engineering, making it an ideal approach to enhance the students’ affinity toward sustainable education in science, ... -
Stemming Versus Light Stemming as Feature Selection Techniques for Arabic Text Categorization
( IEEE , 2007 , Conference Paper)This paper compares and contrasts two feature selection techniques when applied to Arabic corpus; in particular; stemming, and light stemming were employed. With stemming, words are reduced to their stems. With light ... -
Stephen Dedalus and nationalism without nationalism
( Indiana University Press , 2017 , Article)While recent critics have often downplayed the significance of Joyce's attack on the Gaelic Revival in A Portrait of the Artist as a Young Man, the novel actually enacts nothing less than a systematic repudiation of ... -
Stepwise construction of Pt decorated oxygen-deficient mesoporous titania microspheres with core-shell structure and magnetic separability for efficient visible-light photocatalysis
( Elsevier B.V. , 2019 , Article)Solid photocatalysts with high specific surface area, superior photoactivity and ease of recycling are highly desired in chemical process, water treatment and so on. In this study, a facile stepwise sol-gel coating approach ... -
Stepwise Relationship of Exercise Frequency with Serum BDNF Level among Adolescents
( Qatar University Press , 2020 , Poster)Introduction: Regular participation in exercise in adolescents is associated with numerous health benefits, including improved CV, metabolic, muscular, respiratory, immune, cognitive, and neurohormonal functions. Brain-derived ... -
Stereochemistry of some high coordination compounds of dioxouranium(VI) With thiosemicarbazones
( Qatar University , 1994 , Article)The UO2 ion is peculiar in its coordination behaviour, because of its inherent capacity of forming compounds with higher coordination number. In the present work we describe the synthesis of a series of eight, nine and ten ... -
Stereotyping human-like virtual influencers in retailing: Does warmth prevail over competence?
( Elsevier , 2023 , Article)Building upon the Stereotype Content Model (SCM), the current research provides insights into how virtual influencers (VIs) influence consumer responses. More specifically, it investigates the associations between the VI's ... -
Stigma associated with mental illness and its treatment in the Arab culture: A systematic review
( SAGE Publications Ltd , 2018 , Article Review)Background: Mental health has not had the same public profile as physical health. This has contributed to the stigma associated with mental illness and to its treatments. Research investigating how the traditions and values ... -
Stigma associated with mental illness: perspectives of university students in Qatar
( Dove Press , 2017 , Article)Stigma in relation to mental illness is one of the main factors inhibiting people from seeking help. Studies have been undertaken looking into the knowledge, attitudes, and beliefs (KAB) about mental illness among residents ... -
Stigma towards health care providers taking care of COVID-19 patients: A multi-country study
( Elsevier , 2022 , Article)Background: Health care providers (HCPs) have always been a common target of stigmatization during widespread infections and COVID-19 is not an exception. Aim: This study aims to investigate the prevalence of stigmatization ... -
Stimulation of high temperature carbonate gas reservoirs using seawater and chelating agents: Reaction kinetics
( Elsevier B.V. , 2018 , Article)The use of hydrochloric acid (HCl) in gas well stimulation of high temperature reservoirs is currently facing different challenges. These challenges include rapid corrosion of the well tubulars, face dissolution, very high ... -
Stochastic analysis of interphase effects on elastic modulus and yield strength of nylon 6/clay nanocomposites
( Springer Netherlands , 2019 , Article)The multifunctional properties of polymer clay nanocomposites (PCNs) can be related to the interaction of clays, polymer and interphase region. Several experimental, analytical and numerical studies have been conducted to ... -
Stochastic Capacity Acquisition and Allocation Model for Bandwidth Brokers under Fuzzy Volume Based Pricing Scheme
( Taylor and Francis Ltd. , 2016 , Article)In this paper, bandwidth acquisition and allocation problem of a telecommunications Bandwidth Broker (BB) is analyzed under uncertain end-user capacity requests and pay-per-byte (volume) based pricing policy. Furthermore, ...
