Browsing Student Thesis & Dissertations by Title
Now showing items 277-296 of 1591
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Development of air-jet spun PHBV/PCL composite scaffolds for wound healing applications
(Jun- , Master Thesis)Delay in the healing of chronic wounds is one of the major problems causing individuals to lose their lives and which also becomes a severe burden on the nation's healthcare. Nanotechnology has allowed the development of ... -
Development of an Air-Cooled Induction Manifold for Internal Combustion Engines
(2020 , Master Thesis)Extreme weather conditions in the Arabian Gulf such as Qatar tends to be humid and high in temperature mostly throughout the year and this affects the performance of the vehicles engines negatively, especially diesel ... -
Development of Bifunctional Oxygen Electrocatalysts Using Solution Combustion Synthesis For Fuel Cell Applications
(2019 , Dissertation)Advanced energy storage and conversion systems such as fuel cells and metal air batteries achieved wide attention. Oxygen reduction reaction (ORR) and Oxygen evolution reaction (OER) are the prominent reactions that ... -
Development Of Bio-Insecticides Based On Local Qatari Bacillus Thuringiensis Strains For The Biological Control Of Harmful Dipteran Disease Vectors
(2019 , Dissertation)The very friendly bacterium Bacillus thuringiensis (Bt) is the main source of environment-friendly and safe bioinsecticides used in the control of plant pests and animal and human disease vectors. A collection of 441 Qatari ... -
Development of Biofertilizer from Local Qatari Cyanobacteria Strains for Enhancement of Bell Pepper (Capsicum annuum L.) Growth, Yield, and Abiotic Stress Tolerance under Hydroponic System
(06-2 , Dissertation)The beneficial cyanobacteria strain (blue-green algae) Roholtiella sp. QUCCCM97 has been found to be the origin of an eco-friendly and environmentally safe biofertilizer whose extract and biomass were used to increase the ... -
Development of Biosurfactants from Indigenous Hydrocarbon-Degrading Bacteria for Enhancing Remediation of Weathered Oily-Soils and Oil Recovery in Qatar
(2021 , Master Thesis)Bacterial strains were isolated from highly weathered oil-contaminated sites, identified, and differentiated based on their gene expression with the use of matrix assisted laser desorption ionization-time of flight mass ... -
Development of Emissions Reduction Tube for Diesel Engines
(2020 , Master Thesis)Automobile industry have grown a lot since the last century and caused a serious issue of emission releases to the atmosphere regardless of how useful it is to human beings. Compression ignition diesel engines in particular ... -
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 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 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 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 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). ... -
DEVELOPMENT OF NOVEL INSTRUMENTATION INCORPRATING MAGNETORESISTIVE ENCODERS FOR THE MEASUREMENT OF ANGULAR
(2018 , Master Thesis)As rotation dependent technologies emerge, the need of having a feedback about their rotational behavior became a necessity in order to control them. Many types of sensors, based on various operation principles are available ... -
Development of novel magnetic bentonite based adsorbents combined with different carbon sources for removal of oil content from produced water
(2021 , Master Thesis)Water scarcity is a challenge faced worldwide due to depleting sustainable good quality water resources. Produced water, associated with the production of gas and oil, usually comes as oil contaminated water, creating real ... -
DEVELOPMENT OF POLYMER BASED AND RECOVERABLE FE-MNP DEMULSIFIERS TO ENHANCE THE OIL RECOVERY PROCESS FROM OIL IN WATER EMULSION
(2022 , Dissertation)The demulsification process has grown in significance due to the rapid development of oil and gas industries, which generate high amounts of oil, and the formation of different complicated emulsion types, a big challenge ... -
Development of Polymeric Crosslinkable Formulations for Conformance Control In Oil and Gas Reservoirs
(2020 , Master Thesis)Excessive water production from oil reservoirs is a main challenge facing the oil and gas industry nowadays. Polymers and crosslinkers are mixed to form gelants that are widely applied to seal water production zones leading ... -
Development of Variable Message Sings Strategies for Traffic Management at Work Zones
(2020 , Master Thesis)Work zones are defined as road sections of which different activities such as road construction or maintenance take place. In most work zones, road alignments are different than the pre-work periods. Therefore, speed limits ... -
Diabetic Reinopathy Classification using Deep Learning
(2020 , Master Thesis)With diabetes growing at an alarming rate, changes in the retina of diabetic patients causes a condition called diabetic retinopathy which eventually leads to blindness. Early detection of diabetic retinopathy is the best ... -
DIAGNOSING LIVER'S LESIONS FOR MEDICAL ANALYSIS
(2022 , Master Thesis)Machine learning (ML) and computer vision techniques have grown rapidly due to their automation, suitability, and ability to generate astounding results, especially the convolutional neural network (ConvNet). In this thesis, ... -
Diagnostic Checking For Linearity in Time Series Models
(2020 , Master Thesis)In this thesis, I studied the well-known portmanteau tests appearing in the time series literature. In particular, I interest in reviewing the test statistics that can be used to check the adequacy of the fitted ...