College of Arts & Sciences: Recent submissions
Now showing items 81-100 of 337
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INSIGHTS INTO THE NATURAL DEGRADATION RATE OF PLASTICS IN THE SEAWATER ENVIRONMENT AND THEIR DEGRADATION BY-PRODUCTS (PHTHALATES AND BISPHENOL A)
(2023 , Master Thesis)Most plastics end up in the oceans. Their chemical additives that leach out into the ocean can be detrimental to humans and animals. This study investigates the degradation-fragmentation of different plastic types for 140 ... -
DEFENSE STRATEGY OF QATAR 2013-2020
(2023 , Master Thesis)Instability in some parts of the world impacts governments in many aspects, particularly in defense, foreign policy, and economic strategies. Governments should identify threats and challenges to the state in tandem with ... -
THE EFFECT OF NIOBIUM ON THE PHASE STABILITY AND MECHANICAL PROPERTIES OF NICKEL-BASED HIGH ENTROPY ALLOYS
(2023 , Master Thesis)A fundamental understanding of the mechanisms of phase stability of high entropy alloys (HEAs) and the influence of refractory elements is a recent topic of active research. This study investigates the effect of Niobium ... -
EFFECT OF ALUMINUM CONCENTRATION ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF NICRCONB HIGH ENTROPY ALLOYS
(2023 , Master Thesis)The debate between growing economies and increased environmental burdens forces countries to make excessive efforts to reduce their energy consumption. The reduction of weight in structural materials, such as Al-based and ... -
INVESTIGATION OF TEMPORAL VARIABILITY OF CORALS REVEALED BY ROV VIDEOS AT OIL PLATFORMS IN THE ARABIAN GULF
(2023 , Master Thesis)The study was conducted at AL-Shaheen oil field within the Arabian Gulf using remotely operated vehicle (ROV) footages in different oil platforms to investigate the impact of platform depth, age, and weight on coral relative ... -
METAGENOMIC ANALYSIS AND INVESTIGATION OF THE MICROBIOME IN DATE PALM AND THE EFFECT OF DIFFERENT FERTILIZERS ON MICROBIOME DIVERSITY
(06-2 , Master Thesis)Date palm "Phoenix dactylifera L." is considered a very important plant in the Middle East. This importance is due to its beneficial uses on agriculture, economy, and medicine. The study aimed to identify bacterial ... -
التنامي الحكائي في حكايات السندباد
(2022 , Master Thesis)الأصل في الحكاية_ أي حكاية_ أن تتوسع وتنمو تبعًا لمرجعيّتين أو قانونين حاكمين: مرجعية تتعلق بالحكاية نفسها، بِعدِّها بنيةً مستقلة، لها قوانينها الداخلية التي تضبطها وتنظم حركتها، ومرجعية أخرى تتعلق بالحاكي/السارد الذي يحاول ... -
الأنساق الثقافية في الحكاية الشعبية القطرية " القصص الشعبي في قطر لمحمد الدويك أنموذجاً"
(2022 , Master Thesis)يعد الأدب الشعبي الحاضن لذاكرة الشعوب وتراثها ، ذلك أنه مرتبط بالإنسان و المجتمع في تطوره، فيه يجد الإنسان ذلك المتنفس الفطري الذي لا تحده حدود ولا شروط ولا قوانين قسرية . ونحن في بحثنا هذا نقوم بدراسة الحكايات الشعبية ... -
MERCURY AND METHYL MERCURY IN FISH: CONTAMINATION LEVELS AND HEALTH RISKS
(06-2 , Master Thesis)This study aims to assess the risks that mercury and methyl mercury would be posing on the health of fish consumers. The fish consumption patterns of Qatar residents aged 18 years and above were obtained using a fish ... -
EFFECT OF PHENOL AS A CONTAMINANT ON THE WILD PEARL OYSTER PINCTADA IMBRICATA RADIATA IN QATAR: ECOTOXICOLOGICAL APPROACH AND USE OF OYSTER SHELL STRUCTURE AS A POTENTIAL MITIGATION TOOL FOR PHENOLS REMOVAL FROM WATER
(06-2 , Master Thesis)Phenol removal is a vital environmental concern due to its toxicity and hazard effects. The current study investigates the removal of phenol by Pearl oyster Pinctada imbricata radiata for the first time in this region. The ... -
REGIONAL INTERVENTIONS OF GULF MONARCHIES AND RESURGENCE OF ISLAMIC SECTARIANISM DURING THE ARAB SPRING
(06-2 , Master Thesis)This study examines the sectarian aspect and narrative of the Arab Spring by comparatively assessing the actions and policies of three Gulf monarchies actively involved in regional conflicts: Saudi Arabia, the United Arab ... -
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 ... -
ON VARIABLE SELECTION WITH THE PRESENCE OF MISSING DATA IN LONGITUDINAL PANEL STUDIES
(06-2 , Master Thesis)Longitudinal data are valuable in various disciplines because they provide helpful developmental patterns over time. However, frequently, it is challenging to have a high dimension of covariates and ubiquitous missing ... -
LINEAR AND BAYESIAN ESTIMATION OF THE PARAMETERS OF THE TYPE II GENERALIZED LOGISTIC DISTRIBUTION BASED ON PROGRESSIVELY TYPE II CENSORED DATA
(06-2 , Master Thesis)Generalized distributions have become widely used in applications recently. They are very flexible in data analysis, especially with skewed models that are important and occur frequently in many applications. In particular, ... -
AN IMPROVEMENT OF INTERFACIAL ADHESION BETWEEN AL FOIL AND LOW DENSITY PE THROUGH BLENDING WITH FUNCTIONLIZED POLYMERS
(06-2 , Master Thesis)An enhancement of interfacial adhesion between low density PE (LDPE), particularly QAPCO LDPE packing grade and aluminum foil is an important challenge in designing of multilayered packaging (TetraPak type of packaging) ... -
PARAMETRIC AND NONPARAMETRIC PORTMANTEAU TESTS FOR LACK OF FIT IN TIME SERIES MODELS: A COMPARATIVE STUDY
(06-2 , Master Thesis)Several diagnostic tests for the lack of fit time series models have been introduced using parametric and nonparametric portmanteau tests. Some tests have been proposed based on the asymptotic distributions. Others are ... -
IMPROVED INFERENCE FOR THE SCALE PARAMETER IN THE LOMAX DISTRIBUTION BASED ON ADJUSTED PROFILE LIKELIHOOD FUNCTIONS
(06-2 , Master Thesis)In this thesis, we consider improving maximum likelihood inference for the scale parameter of the Lomax distribution. The improvement is based on using modification to the maximum likelihood estimator based on Barndorff-Nielsen's ... -
PREPARATION AND CHARACTERIZATION OF POLYMERIC FOAMS FOR REMOVAL OF FREE OIL FROM WATER
(06-2 , Master Thesis)Development of polymeric foams for removal of oily pollutants (spills) from water is a key target of this thesis. Pollutants occur in the form of free oil (floating on the water surface) or oil/water macroscopic, non-stabilized ... -
THE ROLE OF GOVERNMENT ENDORSEMENT IN PUBLIC ONLINE CAMPAIGNS: A STUDY OF THREE CRISES CASES THAT AFFECTED THE GULF REGION
(06-2 , Master Thesis)This study investigates the use of social media-based campaigns in the Gulf region and examines the extent to which government participation in such campaigns affects their outcomes. Three online public campaigns that ... -
NON-DETERMINISTIC MODELING USING QUANTILE REGRESSION
(06-2 , Master Thesis)In this thesis, we utilize quantile regression to model the conditional quantile of the dependent variable given independent variables to capture more details about the conditional distribution. In addition, we apply the ...
