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Now showing items 595-614 of 48322
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A Comparative Study of the Role of the Nation-State Building Process in the Middle East Crises; a Case Study of the Crisis in Bahrain, Iraq and Yemen
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2021 , Conference Paper)Political stability has always been the most important concern of the states. Political stability is equal with lack of serious threats and challenges that can put country in danger. Due to multiple reasons like; the lack ... -
A comparative study on long term stability of self-healing epoxy coating with different inorganic nanotubes as healing agent reservoirs
( BME-PT and GTE , 2017 , Article)Self-healing epoxy coatings were prepared with different nanotubes as reservoirs for epoxy monomer (healing agent). The nanotubes selected for the current study were TiO2 nanotubes with two different tube diameter (TNT1 ... -
A Comparative Study on Pandemic Response and Their Impact on Economic Growth: Evidence From COVID-19 Outbreak In Scandanavia
( IEOM Society , 2021 , Conference Paper)Coronavirus strikes again with the delta variant and puts the world in a phase 3 pandemic state. Countries all over the world have adopted different response mechanisms to contain the virus's spread. Health officials call ... -
A Comparative Study on Punching Shear Strength Statistics for Ferrocement Slabs
( Qatar University Press , 2023 , Conference Paper)Ferrocement is a modern material that is considered composite as it is made of cement mortar and tightly packed layers of wire mesh. Recent ferrocement applications include prefabricated rooftop elements, load-bearing ... -
A comparative study on the operational performance of four-leg intersections by control type
( Elsevier Ltd , 2018 , Article)The selection of proper control types at intersections at the planning stage is an important concern considering the difficulty in comparing the performance of different control types. Therefore, several manuals proposed ... -
A comparative study on the performance of hybrid solar cells containing ZnSTe QDs in hole transporting layer and photoactive layer
( Springer Netherlands , 2016 , Article)In this paper, ZnSTe quantum dots-based hybrid solar cells (HSC) with two different device architectures have been investigated. The improved performance of the poly(3-hexylthiophene) (P3HT) and [6,6]phenyl C71 butyric ... -
A comparative thermodynamic analysis of samarium and erbium oxide based solar thermochemical water splitting cycles
( Elsevier Ltd , 2017 , Article)This paper reports a thermodynamic comparison between the samarium and erbium oxide based solar thermochemical water splitting cycles. These cycles are a two-step process in which the metal oxide is first thermally reduced ... -
A Comparative Traffic Noise Study between Signalized Intersections and Roundabouts
(2020 , Master Thesis)This study presents a comparative traffic noise study done between signals and roundabouts in Doha, Qatar. Traffic noise and volume data were collected at four signals (two 2-lane and two 3-lane) and four roundabouts ... -
A comparative UG near-peer mentoring model, for motivating school students towards innovations, during E-STEM education - A case study of Qatar
( Qatar University Press , 2021 , Poster)The importance of online education and online learning has gained colossal importance during the present era. Despite online education being the savior during the current pandemic, its implementation was/has been quite ... -
A Comparison between Natural Pozzolana and Fly Ash Replacements on the Mechanical Properties of Concrete
( Qatar University Press , 2023 , Conference Paper)This study investigates the effect of Natural Pozzolana (NP) and Fly Ash (FA) substitutes on concrete's mechanical and microstructural properties. Mixes containing 10 - 50 % cement substitute ratios were prepared and tested ... -
A comparison between the effectiveness of PBL and LBL on improving problem-solving abilities of medical students using questioning
( Routledge , 2018 , Article)In daily patient-history taking and diagnosis practice, doctors ask questions to gather information from patients and narrow down diagnostic hypotheses. Training medical students to be efficient problem solvers through the ... -
A Comparison of change management guidelines to address technology adoption barriers: A case study of higher educational institutions
( Little Lion Scientific , 2019 , Article)Emerging technologies are bolstering the development in the world in all the domains of the world. Education sector is an example of such innovation, by basing on which new means of pedagogy and andragogy are being explored ... -
A comparison of ground vibration due to ballasted and slab tracks
( Elsevier Ltd , 2019 , Article)With the development of non-ballasted track forms (often referred to as slab tracks) over the few last decades, it is important to understand their behaviour with respect to ground-borne vibration compared with the traditional ... -
A comparison of neighborhood-scale interventions to alleviate urban heat in Doha, Qatar
( MDPI AG , 2019 , Article)Recent evidence suggests that many densely populated areas of the world will be uninhabitable in the coming century due to the depletion of resources, climate change, and increasing urbanization. This poses serious questions ... -
A COMPARISON OF SPORTS MARKETING AND SPORTS PSYCHOLOGY APPROACHES TO ACHIEVE GYM MEMBERS LOYALTY IN QATAR
(2021 , Master Thesis)This thesis investigated the effects of two different pathways to achieve gym members loyalty. The first path is a marketing path that is built around the customer engagement concept, driven by perceived quality, satisfaction, ... -
A comparison of students with and without disabilities on their perception of services in Qatar?s public higher education system
( Emerald Group Publishing Ltd. , 2018 , Article)Purpose: The purpose of this paper is to assess student perceptions of their engagement in tangible and intangible higher education services using the College Student Experiences Questionnaire (CSEQ). Design/methodology/approach: ... -
A comparison of the Ranging behaviour and habitat use of the Ethiopian hedgehog (Paraechinus aethiopicus) in Qatar with hedgehog taxa from temperate environments
( NaturePublishingGroup , 2018 , Article)We investigated seasonal changes in the ecology and behaviour of the Ethiopian hedgehog (Paraechinus aethiopicus) in Qatar, particularly in respect to differences in behaviour between hedgehogs living in arid environments ... -
A Comparison Study in the Management of Ectopic Pregnancy between State of Qatar and Kingdom of Bahrain
( Hamad bin Khalifa University Press (HBKU Press) , 2007 , Article)Ectopic pregnancy is of increasing concern to gynecologists since it is a major cause of maternal mortality and morbidity in reproductive age women. It occurs when the conceptus implants in an abnormal position other than ... -
A comparison study on performance of thin film composite membrane embedded with graphene oxide for Acetaminophen, Diclofenac and Ibuprofen separation from waste water
( Elsevier , 2023 , Article)Pharmaceuticals and personal care products (PPCPs) are one of the threats to water safety and security. These contaminants are hard to be removed due to toxicity and resistant to breakdown. In this study, thin film composite ... -
A component map tuning method for performance prediction and diagnostics of gas turbine compressors
( Elsevier Ltd , 2014 , Article)In this paper, a novel compressor map tuning method is developed with the primary objective of improving the accuracy and fidelity of gas turbine engine models for performance prediction and diagnostics. A new compressor ...
