Browsing by Title
Now showing items 7105-7124 of 48377
-
Development of executive functioning in school-age Tunisian children
( Routledge , 2016 , Article)Research regarding executive functioning (EF) in children rarely focuses on populations in African or Middle-Eastern Arabic-speaking countries. The current study used a cross-sectional design to examine the developmental ... -
DEVELOPMENT OF FIBROUS DRILLING FLUIDS FOR HORIZONTAL WELL CLEANOUT: PARAMETIC INVESTIGATION
(2024 , Master Thesis)Drilling fluids enhance drilling efficiency by facilitating cutting transportation, maintaining suspension, regulating pressure, and stabilizing rock formations. Fiber usage in drilling operations improves hole-cleaning ... -
Development of flexible PVDF/ BaTiO3-MoS2 polymer nanocomposites for energy harvesting and gas sensing applications
( Springer Nature , 2024 , Article)The need for flexible and wearable devices is quite great in the modern era of advanced electronics and the Internet of Things (IoT). Here, we present a poly(vinylidene fluoride) (PVDF)/Barium Titanate–Molybdenum Disulfide ... -
Development of Functionalized Date Pits Adsorbent for the Removal of Boron, Lithium, and Molybdenum from Groundwater in the State of Qatar
(2021 , Dissertation)Groundwater (GW) quality deterioration is one of the main water security issues in Qatar. Although the GW in the State of Qatar is not used as drinking water for the public, it is widely used for agricultural, domestic, ... -
Development of Green Inhibitors to Prevent Hydrates Formation, Protect Environment and Reduce Energy Cost in Oil and Gas Industry
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Gas hydrates are identified as ice-liked solid, crystalline compounds having polyhedral water cavities, where gas molecules get trapped during operation under high pressure and low temperature condition. These hydrates ... -
Development of greener d-metal inorganic crosslinkers for polymeric gels used in water control in oil and gas applications
( MDPI AG , 2020 , Article)Crosslinkable polymers, such as polyacrylamide (PAM), are widely applied for water control in oil and gas reservoirs. Organic and inorganic crosslinkers are used to formulate a gel with PAM. Although chromium has a high ... -
Development of Gulf Cooperation Council human resources: an evidence-based review of workforce nationalization
( Emerald Publishing Limited , 2023 , Article)Purpose: This study aimed to contribute to the field of Human Resource Management (HRM) by providing a critical review of existing scholarly research and a thematic analysis of the workforce nationalization domain in the ... -
Development of high-strength lightweight non-autoclaved aerated concrete
( ICE Publishing , 2020 , Article)Six concrete mixes with different proportions of various pozzolanic materials were investigated for the development of high-strength non-autoclaved aerated concrete (NAAC). Fly ash and slag were used as partial cement ... -
DEVELOPMENT OF HYBRID AND NON-HYBRID COMPOSITE BODY ARMOR PLATE FOR BALLISTIC PROTECTION
(2017 , Master Thesis)In this work, a new Bullet Guiding Pocket Armor Plate (BGPAP) was developed, with a target to maximize the ballistic protection by containing the bullet between the layers. To this end, experimental and numerical programs ... -
Development of in-situ sensors for CO2 to fuel process
( Qatar University Press , 2020 , Poster)Conversion of CO2 into fuel is an interesting and promising field. However, the conversion yield is hard to measure during the conversion process. Here, we have developed two techniques to measure the amount of CO2 while ... -
Development of industrially viable geopolymers from treated petroleum fly ash
( Elsevier Ltd , 2021 , Article)This paper investigates the development of stable geopolymers using petroleum fly ash with high compressive strength and water absorption to promote cleaner production, sustainability, and recycling of waste. The paper ... -
Development of injectable PEGylated liposome encapsulating disulfiram for colorectal cancer treatment
( MDPI AG , 2019 , Article)Disulfiram (DS), an anti-alcoholism medicine, shows strong anti-cancer activity in the laboratory, but the application in clinics for anti-cancer therapy has been limited by its prompt metabolism. Conventional liposomes ... -
Development of innovative indoor/outdoor air quality monitoring for environmental impact assessment in the State of Qatar
( WITPress , 2014 , Article)Air pollution is one of the most crucial factors affecting the quality of life and health of increasingly urban populations; a country with a fast-growing economy based on hydrocarbons such as Qatar is no exception. In ... -
Development of Inorganically Cross-Linked Sulfonated Polyacrylamide Preformed Particle Gels for Conformance Control: Impact of Anionic Groups
( American Chemical Society (ACS) , 2024 , Article)Modern oil and gas extraction faces challenges, notably from the surplus of produced water, hampering hydrocarbon recovery and raising environmental and economic concerns. A promising solution is the injection of preformed ... -
Development of Internally Pressurized Composite/Metallic/Composite Hybrid Pipes
(2021 , Dissertation)The challenge to the pipeline industry is to meet the increased worldwide demand while reducing the cost. Currently, metallic and composite pipelines are the most cost-effective way of transporting water, oil, and gas. ... -
Development of LPV models and switching LPV-H ? controller for a hydraulic system
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)This paper describes the development of linear parameter varying (LPV) models and an LPV-H ? controller for one degree of freedom (DoF) electro-hydraulic systems. A virtual set-up consists of a hydraulic actuator driven ... -
Development of Machine Learning Models for Studying the Premixed Turbulent Combustion of Gas-To-Liquids (GTL) Fuel Blends
( Springer Nature , 2024 , Article)Studying the spatial and temporal evolution in turbulent flames represents one of the most challenging problems in the combustion community. Based on previous 3D numerical analyses, this study aims to develop data-driven ... -
Development of mental health services for lower-skilled migrant workers in Qatar
( Elsevier , 2021 , Article)The largest group of migrants in Gulf Cooperation Council (GCC) countries are lower-skilled migrant workers. GCC countries have witnessed significant healthcare infrastructure investments over recent decades. Despite this, ... -
Development of Modular DC-DC Converters for Low-Speed Electric Vehicles Fast Chargers
( Elsevier B.V. , 2021 , Article)To increase the utilization of Low-Speed Electric Vehicles (LS-EVs), rapid recharging of the EV's battery pack turn out to be essential. This permits reduced charging times, greater vehicle utility, and broader adoption ... -
Development Of Multi-Phase Variable Frequency Drives For The Oil & Gas Industry
(2019 , Master Thesis)Liquefied Natural Gas (LNG) plants rely heavily on LNG compressors exceeding 100 MW power range. These compressors are mainly driven by gas turbines and high power helper motors operated via Variable Frequency Drives (VFDs). ...