Browsing College of Arts & Sciences by Title
Now showing items 181-200 of 319
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Preparation And Characterization Of Multilayered Electrospun Composite Scaffolds For Biomedical Applications
(2019 , Master Thesis)Electrospinning has gained wide attention recently in biomedical applications. Electrospun biocompatible scaffolds are well-known for biomedical applications such as drug delivery, wound dressing and tissue engineering ... -
PREPARATION AND CHARACTERIZATION OF NANOSTRUCTURE MATERIAL FOR BIOLOGICAL APPLICATION
(2023 , Master Thesis)Currently, nanomaterial has gained much attention in medical applications. Two different nanostructured materials were synthesized for biomedical purposes in this approach. Firstly, a composite of bimetallic nanoparticles ... -
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 ... -
PREPARATION OF POLYSTYRENE/ NICKEL OXIDE NANOCOMPOSITE SUPERHYDROPHOBIC COATING FOR PROTECTION AGAINST CORROSION
(2020 , Master Thesis)Many technologies have been studied carefully to overcome the corrosion phenomenon of various metal species found in nature. Among these, the high water repellent surfaces have received significant attention from researchers ... -
PREPARATION OF WS2/TIO2 NANOSTRUCTURES FOR PHOTOCATALYTIC APPLICATIONS
(06-2 , Master Thesis)The energy from fossil fuels has been recognized as a main factor of global warming and environmental pollution. Therefore, there is an urgent need to replace fossil fuels with clean, cost-effective, long-lasting, and ... -
PREVALENCE OF BREASTFEEDING INDICATORS IN MIDDLE EAST AND NORTH AFRICAN COUNTRIES: A META-ANALYSIS OF NATIONAL HEALTH SURVEYS (2010- 2020)
(2022 , Master Thesis)Introduction: Breastfeeding is the clinical gold standard for an infant's nourishment. Worldwide, less than one in two newly born infants are breastfed within the first hour of birth and only 44% of infants are exclusively ... -
Properties and thermal stabilization of Nanocrystalline copper via solute additions of niobium
(2017 , Master Thesis)Nanocrystalline materials, those with grain size <100 nm, were found to have superior mechanical properties compared to their coarse-grained (CG) counterparts. However, these materials are not thermally stable because of ... -
Proportional Hazard Regression Model Under Partly Interval-Censoring Assumption with Application to Prison Data
(2020 , Master Thesis)In this thesis the analysis of well-known model in survival study that is Cox proportional hazard regression model via prison Partly Interval Censored (PIC) data is used. The maximum likelihood estimate was considered ... -
Prospects of Biocrude Production Potential from Local Diatom
(2020 , Master Thesis)A marine diatom Nitzchia reversa was grown in 5 sq. m open raceway pond (10 cm culture depth, 500 L culture volume) in the Qatari desert environment. After 7 days of growth, the final biomass density reached 0.52 g/L, ... -
PURIFICATION OF PRODUCED WATER BY CUTTLEFISH BONE ADSORBENTS
(2024 , Master Thesis)The cuttlefish bone powder (CFB) which is mostly composed of calcium carbonate was prepared, characterized, and modified to use it for the purification of emulsified oil/water mixtures from produced water. The focus was ... -
QATAR DIGITAL PUBLIC DIPLOMACY IN SOMALIA: FRAMING QATAR'S FOREIGN AID IN FACEBOOK AND TWITTER
(2024 , Dissertation)The State of Qatar has adopted soft power in its foreign policy to compensate for its geographical size and to preserve its national security. This gave the State of Qatar, as a small state, strength and a regional presence. ... -
Qatar Foreign Assistance to Education Development in Africa: Prospects and Pitfalls
(2021 , Master Thesis)This thesis is aimed to analyze Qatar's foreign aid to the Sub-Saharan countries especially in terms of educational aid over the period of (2013-2019). It highlights the evolution of Qatar's educational aid to the ... -
QATAR MEDIATION STRATEGY: AFGHANISTAN AS A CASE STUDY
(2024 , Master Thesis)Qatar is a small Gulf state located in a critical geopolitical location. It gained its independence in the early 1970s, a time where the Gulf region was going through many incidents such as the Iranian Revolution, the ... -
Qatar's Foreign Policy towards the Israeli-Palestinian Conflict: The Era of Sheikh Hamad Bin Khalifa Al-Thani 1995-2013
(2021 , Dissertation)The purpose of this research is to examine the objectives, tools, and features of Qatari foreign policy regarding the Israeli-Palestinian conflict during the reign of Sheikh Hamad bin Khalifa Al Thani (1995-2013). It ... -
QATARI YOUTH UNEMPLOYMENT: EVALUATING QATARI GOVERNMENTAL INITIATIVES: QATARIZATION POLICY THROUGH BEDAYA CENTER
(2016 , Master Thesis)Youth unemployment in the MENA region has become a case of academic interest and debate. More specifically, youth unemployment in Qatar has become one of the most controversial challenges for the economic development of ... -
Rational Design of Mxenes with Atomically Doped Multimetals for Efficient Electrochemical and Photoelecrochemical Conversion of Co2 to Usable Hydrocarbons
(2021 , Master Thesis)Ti3C2Tx MXene is a promising catalyst for several applications; however, its electrochemical conversion of CO2 to useable hydrocarbons has been rarely reported experimentally. Herein, two-dimensional Ti3C2Tx nanosheets ... -
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 ... -
The Relationship between Al-Sahwa Social Movement and the Saudi Regime, an Apprisal
(2017 , Master Thesis)Al-Sahwa is a social movement, with a clear socio-religio dimension that has emerged against the background of the Arab Cold War that witnessed a series of conflicts between the nationalism bloc led by Gamal Abd al-Nasser ... -
Relationship between structure, properties and UV/Heat protection behavior of two different types of polyethylene manufactured in Qatar
(2021 , Professional Masters Project)Accelerated (artificial) weathering and thermal ageing tests were performed to investigate the effectiveness of different UV/HALS formulations in reducing the UV/heat degradation effect for two different low-density ... -
Reliability analysis of the Stress-Strength model from truncated Pareto distribution based on progressive Type-II censored samples.
(2023 , Professional Masters Project)In this project, we studied the stress strength reliability (SSR) models. The stress-strength model has many applications in engineering problems, for example the strength of a building being subjected to earthquake, the ...