Browsing College of Arts & Sciences by Title
Now showing items 77-96 of 319
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Enhancing the Thermoelectric Properties of N-type Bismuth-Telluride-Based Alloys Using Graphene As A Nanofiller
(2020 , Master Thesis)Bismuth telluride chalcogenides are the ideal thermoelectric materials used for near room temperature applications. However, the usage of these materials is relegated to a few applications as a result of the extremely low ... -
Er Doped Gan/Aln Multiple Quantum Well Structure For Optoelectronic Devices
(2021 , Master Thesis)Well-defined coral reefs and patches with high density of fishes were reported in the Arabian Gulf. Due to environmental and anthropogenic disturbances, especially due to coastal development, coral reef cover starts ... -
Er Doped III-Nitride Semiconductors
(2017 , Master Thesis)Erbium ions (Er3+) doped in a solid material enables the intra 4f shell transitions from its first excited state (4I13/2) to the ground state (4I15/2). The intra-4f shell transition at 1540 nm is of exceptional interest ... -
ESTABLISMENT, SURVIVAL AND RHIZOSPHERE MICROBIOME OF SELECTED PLANTS IRRIGATED BY GREYWATER FOR SUSTAINABLE URBAN GREENING
(2024 , Master Thesis)Appropriate control of water in suburban green spaces ends up critical as metropolitan populations grow and water shortage represents an urgent issue. This thesis looks at how certain plant species grown for the purpose ... -
The Evolution of the Turkish-Qatari Relations from 2002 to 2013: Convergence of Policies, Identities and Interests
(2014 , Master Thesis)This study investigates the dynamics that shaped the Turkish-Qatari relations from 2002 to 2013. First, through a rigorous survey of the literature, it probes the Turkish-Gulf Arab relations from the late 1970s until 2000s ... -
EVOLUTION OF U.S FOREIGN POLICY TOWARDS THE GULF DURING TRUMP'S PRESIDENCY (2016 - 2020): IMPLICATIONS FOR THE IRAN-GCC RELATIONS
(06-2 , Master Thesis)The U.S and Arab Gulf States' relations had been strong since the 1979 Islamic revolution, and this had a negative impact on the GCC Iranian relations. However, by the mid-2010s, the GCC - U.S. relations witnessed a serious ... -
Exact Optimal Sample Allocation for Establishments having More Than Ten Employees in Qatar
(2020 , Professional Masters Project)The primary aim of this study is to select a stratified random sampling with three different techniques which is optimal allocation, proportional allocation and the new method is exact optimal allocation which is a great ... -
Exploring the Students and Faculty Members Attitudes and Awareness about the Use Of E-Textbooks At Qatar University
(2020 , Professional Masters Project)Digitalization plays a big role in world and has an effect on the tools of learning. In 2013, e-Textbooks became commonly used in most science core curricula and some literary curricula at Qatar University. However, ... -
Exponential model for breast cancer partly interval censored data via multiple imputation
(2021 , Master Thesis)The estimation problem for interval-censored data has been investigated by several authors. The application of conventional methods to interval censored data that has been considered by Lindsey and Ryan (1998) showed ... -
Fabrication of Heterostructured TiO2 Nanorods for Enhanced Solar Water Splitting
(2020 , Master Thesis)As global population growth and energy demand keep to ramp up, green and sustainable energy production with environmental concerns has become as one of the most serious challenges over the past years. Photocatalysis is a ... -
Fabrication of Nano-Composite Membrane for FO Desalination
(2021 , Master Thesis)The aim of this work is to solve the current issues experienced in forward osmosis (FO) membranes such as low water flux, membrane fouling, and high reverse solute flux (RSF). We also propose a novel technique to ... -
FACTORS AFFECTING ACADEMIC DISCIPLINE SELECTION AND ACADEMIC PERFORMANCE OF 12TH GRADE STUDENTS IN QATAR
(2022 , Professional Masters Project)COVID-19 pandemic has led to the lockdown of major cities worldwide, which caused the early closure of schools and educational institutions in the towns affected. This pandemic had a negative impact on the performance of ... -
Factors of the Asymmetric Non-Uniform DIF Detection Rate When Using the Alternative Mantel-Haenszel Procedure
(2020 , Master Thesis)Test-item bias has become an increasingly challenging investigation in statistics and education. A popular method, the Mantel-Haenszel (MH) Test, is used for detecting non-uniform differential item functioning (DIF) but ... -
GCC PERCEPTION of THREATS from IRAQ AND IRAN: EXPLAINING THE ENDURING ALLIANCE WITH THE UNITED STAES
(2018 , Master Thesis)Threat perception in international relations plays a major role in forming international alliances. Previously Iraq and nowadays Iran, has an essential role in impacting the security concerns of the GCC. Therefore, this ... -
GCC Union: Realistic Project or Distant Dream
(2014 , Master Thesis)This thesis aims at shedding light on the withdrawal of the ambassadors of Saudi Arabia, the UAE and Bahrain from Doha from 5 march 2014 till 16 November, reportedly as a sign of protest against Qatar, and its dynamic ... -
GENERALIZING THE POINT BISERIAL TO MEASURE THE ASSOCIATION BETWEEN A SET OF DICHOTOMOUS VARIABLES AND A CONTINUOUS VARIABLE
(2022 , Master Thesis)Exploring the statistical association between more than two variables requires utilizing a proper technique/test along with meeting its required assumptions. Measures of correlation are used to explain such associations ... -
GLOBALIZATION AND NATIONAL IDENTITY IN QATAR: DOES EXPOSURE TO GLOBALIZATION LEAD TO CHANGES IN NATIONAL IDENTITY ACROSS DIFFERENT GENERATIONS OF QATARI CITIZENS?
(2017 , Master Thesis)This era is marked by globalization, a process whereby states and individuals are interconnected through a global network. Globalization entails the emergence of a global culture which is considered a threat to national ... -
Goodness of Fit Testing for the Log-Logistic distribution Based on Type I Censored Data
(2021 , Master Thesis)The main aim of this thesis is to investigate the problem of the goodness of fit test for Log-Logistic distribution based on empirical distribution function under Type I censored data. The maximum likelihood estimation ... -
Grass Establishment, Weed Populations and Soil Microbial Succession in Turf Grass System as Influenced by Produced Water Irrigation
(2017 , Master Thesis)Agricultural water use is high in a world marred with water scarcity, thus necessitating alternative water resources such as wastewaters. This study attempted to use produced water (PW) to irrigate turf grass - Cynodon ... -
HASHTAG UNITY IN THE MIDST OF THE BLOCKADE OF QATAR
(2018 , Master Thesis)This thesis examines the digital manifestations of the wave of popular nationalism that emerged in Qatar following the outbreak of the Gulf crisis in June 2017. It undertakes a multimethod analysis of 39,454 messages on ...