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السجلات المعروضة 1 -- 10 من 33
Exact Optimal Sample Allocation for Establishments having More Than Ten Employees in Qatar
(Applied Statistics, 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 ...
Heavy Metals Hyperaccumulation and the Role of Stress-Induced Proteins in Phytoremediation Mechanism in Selected Qatari Plants
(Biological and Environmental Science, 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 ...
The Novel Role of BRIP1 in Breast Tumor Development and Progression
(Biological and Environmental Science, 2020 , Dissertation)
Breast cancer (BC) is the most common malignancy and the leading cause of death in women worldwide. Only 5-10% of mutations in the BRCA genes are attributed to familial breast tumors in Eastern countries, suggesting the ...
PREPARATION OF POLYSTYRENE/ NICKEL OXIDE NANOCOMPOSITE SUPERHYDROPHOBIC COATING FOR PROTECTION AGAINST CORROSION
(Material Science and Technology, 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 ...
Factors of the Asymmetric Non-Uniform DIF Detection Rate When Using the Alternative Mantel-Haenszel Procedure
(Applied Statistics, 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 ...
المرجعية الثقافية في الخطاب الروائي في قطر : روايتا (غصن أعوج) و (شو) لأحمد عبدالملك - أنموذجا
(اللغة العربية وآدابها, 2020 , Master Thesis)
باتت الرواية القطرية تتبوأ مكانا على الساحة الثقافية والإبداعية المحلية، وشهدت السنوات الأخيرة تزايد ا في حجم الإصدارات كما وكيفا، فكان من الأهمية الوقوف لدراسة هذا التطور (السردي) فيها.
من هنا، عملت الدراسة على تناول ...
Uncovering the Epigenetic Contribution of Protein Arginine Methyltransferase 5 (PRMT5) during Zebrafish Cardiomyogenesis
(Biological and Environmental Sciences, 2020 , Dissertation)
The heart develops through an extremely intricate process mediated by a network
of transcription factors initiated by key chromatin modification events. Scientist have
implicated the protein arginine methyltransferase ...
Development of a Novel Polymer-Modified Graphene Oxide Nanocomposites for Controlling Calcium Sulfate Scaling and Biofouling on Reverse Osmosis Membrane: Mechanistic Study
(Biological and Environmental Sciences, 2020 , Dissertation)
Reverse Osmosis (RO) is a promising environment friendly desalination
technology for clean water production. However, the performance of RO is getting
affected by the mineral scaling and biofouling. During this research, ...
Impact of Prolonged Exposure to Sour Service on the Mechanical Properties and Corrosion Mechanism of Nace Carbon Steel Material Used In Wet Sour Gas Multiphase Pipeline in Qatar
(Material Science and Technology, 2020 , Master Thesis)
Oil and Gas industries involve severe corrosive/sour environmental conditions due
to H2S and CO2 and moisture content. The National Association of Corrosion Engineers, NACE,
has developed standards to enable the users ...
THE INFLUENCE OF SHEAR STRESS ON NANOMATERIAL'S UPTAKE BY CANCER
(Material Science and Technology, 2020 , Master Thesis)
Recently, nanotechnology products have been used for a variety of applications including the medical field. Two dimensional (2D) nanomaterials have attracted a growing interest due to its unique properties and ultrathin ...