Browsing Qatar University Institutional Repository by Type "Dissertation"
Now showing items 41-60 of 122
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ENHANCING THE PERFORMANCE AND SECURITY OF ANONYMOUS COMMUNICATION NETWORKS
(2022 , Dissertation)With the increasing importance of the Internet in our daily lives, the private information of millions of users is prone to more security risks. Users data are collected either for commercial purposes and sold by service ... -
EXPERIMENTAL MEASUREMENTS AND TRANSIENT 3D SIMULATIONS OF TURBULENT PREMIXED FLAMES OF GAS-TO-LIQUIDS (GTL) FUEL IN A FAN-STIRRED COMBUSTION BOMB
(2022 , Dissertation)The rapid fluctuation in oil prices and the increased demand for alternative fuels to replace conventional fuels are challenging contemporary issues. One such alternative fuel that has gained significant interest recently ... -
FINANCIAL LITERACY, CULTURE AND LEVERAGE OF SMALL FIRMS
(2023 , Dissertation)This research examines the relationship between financial literacy and the leverage of small firms, specifically of the legal forms, sole proprietorships, and partnerships. We begin with a cross-section analysis of 73,302 ... -
Framework for Content Distribution over Wireless LANs
(2020 , Dissertation)Wireless LAN (also called as Wi-Fi) is dominantly considered as the most pervasive technology for Intent access. Due to the low-cost of chipsets and support for high data rates, Wi-Fi has become a universal solution ... -
A FRAMEWORK FOR STRATEGIC PROJECT ANALYSIS AND PRIORITIZATION
(2022 , Dissertation)Projects that support the long-term strategic intent and alignment are considered strategic projects. Therefore, these projects must consider their alignment with the organization’s current strategy and focus on the risk, ... -
GAS PURIFICATION USING A STATE-OF-THE-ART-SOLID-VAPOR-SEPARATION-UNIT: MODELING AND SIMULATION
(2023 , Dissertation)In spite of the increasing levels of greenhouse gases in the atmosphere and their sever impact on the environment, the demand for natural/bio gas is expected to increase significantly in the coming decades. To cover this ... -
HANDWRITING RECOGNITION IN ARABIC HISTORICAL MANUSCRIPTS
(06-2 , Dissertation)Document Analysis and Recognition significantly impact humanitarian studies by revealing information hidden in historical document collections worldwide. This research area merges the sciences of computer vision and machine ... -
HARNESSING MACHINE LEARNING IN CLINICAL DECISION SUPPORT: THEORY AND PRACTICE
(2021 , Dissertation)Decision making is a central activity in all clinical professions. Clinical decisions bear wellbeing and economic risks and consequences for patients, families, employers, and national economies. Thus, clinicians should ... -
Heavy Metals Hyperaccumulation and the Role of Stress-Induced Proteins in Phytoremediation Mechanism in Selected Qatari Plants
(2020 , Dissertation)Progressive pollution of the environment by trace and heavy metals pose a significant risk and causes diverse human diseases. Current world initiatives to remove these toxic substances from the environment are costly and ... -
HOLISTIC SMART CITY RISK ASSESSMENT FRAMEWORK
(2024 , Dissertation)Smart cities are built on the advanced usage of information and communication technology (ICT) in several aspects. Smart city projects are multidimensional and complex. Therefore, risk perspectives need to be considered. ... -
HYBRID LIFE CYCLE SUSTAINABILITY ASSESSMENT OF LIQUIFIED NATURAL GAS SUPPLY CHAIN
(06-2 , Dissertation)Integrating sustainability into the distribution network process is a significant problem for any industry hoping to prosper or survive in today's fast-paced environment. Since gas is one of the world's most important fuel ... -
IGNITION DELAY TIME INVESTIGATION OF GTL FUEL BLENDS
(06-2 , Dissertation)Ignition delay is a vital combustion characteristic of any fuel that directly affects the development of internal combustion engines (ICEs) and exhaust emissions, especially in diesel engines. Considering the global interest ... -
INDEX-BASED EMERGENCY RESPONSE MANAGEMENT SYSTEM (IERMS): A FRAMEWORK FOR THE PETROCHEMICAL INDUSTRIAL CITIES IN QATAR
(2018 , Dissertation)Emergency response operations are very important activities in the industrial areas. An incident in the industrial area can have considerable economic and social impact, response decisions to mitigate the impact of the ... -
INFLUENCE OF ARBUSCULAR MYCORRHIZAL FUNGI (AMF) ISOLATED FROM ARID ZONES ON PLANT GROWTH, PROTEIN CONCENTRATIONS AND RESPONSE TO SALINITY CONDITIONS IN ALFALFA (MEDICAGO SATIVA)
(2022 , Dissertation)The present study is aimed to isolate native effective species of arbuscular mycorrhizal fungi from the Qatari environment and to subject these isolates for evaluation to support the growth of Medicago sativa under saline ... -
INNOVATION AND ENVIRONMENTAL PERFORMANCE OF LARGE FAMILY FIRMS IN KUWAIT: THE INFLUENCE OF SOCIOEMOTIONAL WEALTH, MINDFUL ORGANIZING, AND PSYCHOLOGICAL OWNERSHIP
(2023 , Dissertation)Despite the urgent need for increased business sustainability performance in general, the growing interest of researchers and practitioners in sustainability performance of family firms, and an extensive literature on ... -
INTERPRETABLE DEEP LEARNING MODELS FOR PREDICTION OF CLINICAL OUTCOMES FROM ELECTRONIC HEALTH RECORDS
(06-2 , Dissertation)The rapid adoption of electronic health records (EHRs) has generated tremendous amounts of valuable clinical data on complex diseases and health trajectories. Yet, achieving successful secondary use of this EHR data for ... -
INVESTIGATING THE MOLECULAR MECHANISMS OF SHEAR STRESS INDUCED ENDOTHELIAL DYSFUNCTION AND PROGRESSION OF ATHEROSCLEROSIS
(2024 , Dissertation)Background: Atherosclerotic vascular disease, such as coronary artery disease (CAD) and ischemic stroke is the leading cause of mortality and disability worldwide. Therefore, understanding the mechanisms underlying ... -
INVESTIGATING THE ROLE OF THE ARYL HYDROCARBON RECEPTOR AND BCL-2 FAMILY PROTEINS IN OVARIAN CANCER STEM CELLS DEVELOPMENT AND CHEMORESISTANCE
(2024 , Dissertation)Gynecological malignancies are a severe threat to female health. Ovarian Cancer (OC), the most lethal gynecological malignancy, is clinically presented with chemoresistance and a higher relapse rate. This could be endorsed ... -
INVESTIGATION OF BACTERIAL DIVERSITY AND CHEMOMETRIC ASSESSMENT FOR ENHANCING BIOREMEDIATION OF HYDROCARBONS IN QATARI SOILS
(2018 , Dissertation)Qatar is one of the leading countries in oil and gas industry worldwide. Qatar is located in the middle of the Arabian Gulf sea, a semi-closed sea surrounded by many petrochemical sites, besides the active offshore traffic ... -
Investigation of Hybrid Effects of CNT and Nanoclay in Tailoring Mechanical and Electrical Properties of Epoxy
(2020 , Dissertation)Many studies performed on multifunctional properties of epoxy-based nanocomposites reinforced with CNTs and nanoclay whereas synergetic effects of CNTs and nanoclay on mechanical and piezoresistive behavior of ternary ...