Browsing University Publications by Title
Now showing items 539-558 of 4355
-
Development of organic-inorganic halide perovskites (OHPs) based memristors
( Qatar University Press , 2021 , Poster)Organic - inorganic halide perovskite (OHP) has drawn researchers' attention working in the field of optoelectronics from last ten years due to its remarkable optical properties such as adjustable band gap, ambipolar charge ... -
Development of PLA Fibers as an Antimicrobial Agent with enhanced infection resistance using electrospinning/plasma technology
( Qatar University Press , 2020 , Poster)Humans are vulnerable and easily prone to all kind of injuries, diseases, and traumas that can be damaging to their tissues (including its building unit, cells), bones, or even organs. Therefore, they would need assistance ... -
Development of Polymer Modified Graphene Oxide Nanocomposite Membranes to Reduce both Scaling and Biofouling
( Qatar University Press , 2020 , Poster)In seawater reverse osmosis (SWRO), membrane scaling is one of the major issues affecting its widespread application in the desalination industry. In this research, the effect of concentration of calcium and sulfate ions ... -
Development of Sustainable Eco-friendly Geopolymer Composites for Construction Applications
( Qatar University Press , 2020 , Poster)Geopolymerization is a process where silica and alumina rich source materials turns into excellent binding materials by the aid of alkali solutions. Materials such as fly ash are by-products in energy power plants. Fly ash ... -
Development of Warm Mix Asphalt with the Aid of Microstructural Characterization
( Qatar Univesrity Press , 2020 , Conference Paper)The polymer-modified asphalt (PMA) reveals different types of advantageous properties depending on the type of polymer. However, one of the unwanted changes in PMA is the required higher temperature for mixing and compaction. ... -
Developmental anatomy of the central nervous system of the cotton leaf worm, spodoptera littoralis boisd.
( Qatar University , 1983 , Article)The central nervous system, C. N. S., of the cotton leaf worm, Spodoptera littoralis (B.) develops from a median row of embryonic neuroblasts which divide repeatedly to form a double ganglionic chain. The two chains fuse ... -
Developmental Stages of the Acquisition of Negation and interrogation by Children Native Speakers of Qatari Dialect
( Qatar University , 2002 , Article)The developmental stages of Qatari Dialect interrogatives and negatives are described in this paper. Four children were included in this study, ranging in age from one year and six months to nine years. According to the ... -
DFT-MD dissolution of oilfield pyrite scale using borax
( Qatar University Press , 2020 , Poster)Introduction: Oilfield scales including pyrite form in oil and gas pipelines, underground tubing, and surface equipment thus blocking the flow of fluids and hindering production. Hence, the need for the development of ... -
Diagenesis of the middle eocene "nummulite bank" of The giza pyramids plateau, Egypt: petrologic and 18o/16o evidence
( Qatar University , 1994 , Article)The Middle Eocene "nummulite bank" of the Giza Pyramids Plateau has been extensively altered diagenetically. The result of a study involving petrography, cathodoluminescence, and 18O/160 and 13C/12C data, provide information ... -
Diagenetic Trends In The Pleistocene Calcareous Ridges, Mersa Matruh Area, Egypt
( Qatar University , 1993 , Article)Ooids are a major constituent of the Pleistocene carbonates along the northwestern coastal ridges of Egypt. For a detailed diagenetic study of the rocks, the Mersa Matruh area was selected. Petrographic examination shows ... -
Diagonalizable Indefinite Integral Quadratic Forms
( Qatar University , 1991 , Article)This paper deals with some special cases on Hasse's principle about the diagonalization of Z-lattices L of indefinite regular guadratic forms over Q. It is asserted that for some specific values of a certain set D of ... -
Dietary Patterns and Glycemic Control Among Qatari Adults with Type 2 Diabetes
( Qatar University Press , 2020 , Poster)Background: No studies assess the effect of dietary pattern on glycemic control among Qatari adults with T2DM. Objective: To assess the association between dietary patterns, and glycemic control among Qatari adults with ... -
Dietary Patterns and Risk of Inflammatory Bowel Disease: Findings from a Case-Control Study
( Qatar University Press , 2021 , Poster)Scientific evidence shows that dietary patterns are associated with the risk of IBD, particularly among unhealthy and Western dietary patterns. However, Western dietary patterns are not exclusive to Western countries, as ... -
Differential Amplitude Phase Shift Keying (Dapsk): A New Modulation Method For A Turbo Code In Digital Radio Broadcasting
( Qatar University , 2003 , Article)The multilevel modulation techniques of M–Differential Amplitude Phase Shift Keying (DAPSK) have been proposed in combination with Turbo code scheme for digital radio broadcasting bands below 30 MHz radio channel. Comparison ... -
Diffuse Phase Transition In Non-Stoichiometric LiRbSO4 Crystals
( Qatar University , 1992 , Article)The influence of changing the ratio of Li2S04 on the structure transition of (RbxLi1-x)2S04 , LRS crystals, where x ranged from 0.1 to 0. 7, was studied by thermal analysis techniques in the temperature range 300 - 600 K. ... -
Diffuser Bed Construction Challenges on the Musaimeer Pump Station and Outfall Project
( Qatar University Press , 2023 , Conference Paper)Musaimeer Pump Station and Outfall project (MPSO) is a strategically important drainage asset initiated, developed, and completed by Ashghal in 2022. This project accommodates ground and storm water received from the ... -
The Diffusion Diaphragm Cell: A State-Of-The-Art-Review
( Qatar University , 1990 , Article)The diffusion diaphragm cell is considered one of the simplest and most reliable devices for measuring liquid-phase diffusivities. The design of such diaphragm cells has passed through many stages of refinement over the ... -
Diffusion Problems Arising In Mathematical Biology 2
( Qatar University , 1996 , Article)In this paper we consider long range diffusion, examine the local behavior of epidemics in Lp'q. In section 1 of chapter 2 we develop a model, the long range diffusion pressure in planktonic patchiness and then in secion ... -
Digital Humanities and Qur’ãnic Manuscript Studies: New Perspectives and Challenges for Collaborative Spaces and Plural Views
( Qatar University Press , 2020 , Article)The use of digital tools has revolutionized academic research in the humanities, changing its approaches, methodologies and outcomes. The phenomenon is comparable to the radical change induced by the introduction of printing ... -
Digital Master Builders: Disruptive construction technologies
( Qatar Univesrity Press , 2021 , Conference Paper)The United Nations Department of Economic and Social Affairs estimates that by 2050 the world's population will have increased by over 2.1 billion people (UN DESA, 2019). Providing housing and infrastructure for them would ...