Browsing University Publications by Title
Now showing items 1429-1448 of 4413
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Operational Performance and Safety Assessment of Signalized Roundabout
( Qatar University Press , 2020 , Poster)Roundabouts are widely used to reduce the severity of conflicts at intersecting roads. While they tend to provide an acceptable level of traffic operation, their operational benefits are reduced when traffic demands increase. ... -
Ophioglossum polypyllum, A. Braun a new record for Qatar
( Qatar University , 1995 , Article) -
The Optical and Electrical Properties of Low Density Polyethylene Films in CuSo4 Solution
( Qatar University , 2005 , Article)The optical and electrical properties of pure and treated low density polyethylene (LDpE) were investigated. These measurements have been carried out at various times of immersion for LDPE films in 10% solution of CuSO+. ... -
Optical Matching For Microwave Active Devices
( Qatar University , 1997 , Article)This paper describes a microstrip optically controlled matching technique between microwave active devices with low impedance (less than 10 ohms) and a conventional 50 or 70 ohm communication system in the upper microwave ... -
Optical Non-invasive Technique for Cholesterol Detection in Blood
( Qatar University Press , 2021 , Poster)The aim of this research is to design and develop a non-invasive cholesterol sensor based on the principle of light absorption. The current existing invasive methods can be replaced with non-invasive techniques. The ... -
The Optical properties of Cadmium Stannate (Cd2SnO4) Thin Films Prepared by Chemical Spry Pyrolysis Technique
( Qatar University , 2004 , Article)Thin films of cadmium stannate were prepared using thermal chemical spray pyrols: Cadmium stannate' solution (0.2M) was prepared by dissolution of CdCl25H2O in C2H5OH tion of SnCl23H2O in CH3COOH at molar 2:1, respectively. ... -
Optical Properties Of Oxidated Blown Asphalt Films
( Qatar University , 1996 , Article)Films of purified blown asphalt of high grades of oil and the accompanied adulterated particles derived from its manufacturing process, that is, it was purified 98%. This study focused on optical properties in the wavelength ... -
Optimal Pricing and order quantity strategies for a firm offering multiple products facing customers cannibalization and random market demand
( Qatar University , 2010 , Article)This paper studies a firm’s profitability problem offering its products into different market segments at differentiated prices. In order to improve the firms’ profitability the firm needs to decide the prices and order ... -
Optimization Models For Multiple Resource Planning
( Qatar University Press , 2021 , Poster)Multiple resource planning is a very crucial undertaking for most organizations. Apart from reducing operational complexity, multiple resource planning facilitates efficient allocation of resources, which reduces costs by ... -
Optimized DNA Extracting Method for Oxford Nanopore- Long reads Sequencing from Marine samples
( Qatar University Press , 2020 , Poster)Sustaining social and economic growth is impossible without a holistic environmental vision that places environmental preservation for Qatar's future generations at the forefront. According to the ministry of development ... -
Optimizing the Thermal Resistance of Concrete Using The Palm Tree Fronds Fibers
( Qatar Univesrity Press , 2020 , Conference Paper)In the past few years, the issue of global warming has become increasingly visible. Record high as well as record low temperatures are being broken worldwide. Snow is melting in the poles and less sunrays are being reflected ... -
Optimizing Use Of Marshall Asphalt Mix Design
( Qatar University , 1997 , Article)Rutting has been a problem in Qatar's highway pavements since it began designing asphalt mixtures with the Marshall Method in the early 1990's. This paper describes specifications and rules-of-thumb which have been ... -
Optimum Cutting Schedule Of Reinforcing Steel Bars
( Qatar University , 1999 , Article)Reinforcing steel bars are generally procured in standard lengths. The cutting of standard steel bars to the specified lengths usually yields an appreciable amount of steel waste. Minimization of steel waste problem is of ... -
Optimum Design Of Concrete Slab Forms
( Qatar University , 1996 , Article)This paper presents a design optimization method for concrete slab forms. This procedure was formulated to provide a safe slab form design with minimum cost. The proposed method considers in its design process the cost of ... -
Optimum Design of Plane Trusses Using Mathematical and Metaheuristic Algorithms on a Spreadsheet
( Qatar University Press , 2023 , Conference Paper)Mathematical optimization refers to the process of finding the values of variables that maximize or minimize a function. Structural optimization is the process of designing a structure in such a way as to minimize its ... -
Optimum Dispersion Parameters of Carbon Nanotubes: Concrete Strength by Response Surface Methodologies
( Qatar Univesrity Press , 2020 , Conference Paper)"This paper implements Response Surface Methodologies (RSM) techniques to illustrate the maximum carbon nanotubes (CNTs)-concrete mechanical properties responses to the length, weight fraction and treatment variables. ... -
An Optimum Performance of A Flat-Type Solar Air Heater With A Porous Absorber
( Qatar University , 1989 , Article)This investigation is concerned with the design and performance of a flat solar air heater in which air flows perpendicular from a vented transparent cover through a porous absorber plate. The design phase involves a ... -
Optimum sintering method and temperature for cold compact Bismuth Telluride pellets for thermoelectric applications
( Qatar University Press , 2021 , Poster)This work intends to investigate the optimum sintering method and temperature that can improve the efficiency of bismuth telluride cold compact pellets for thermoelectric applications. Different p-type and n-type bismuth ... -
Organic Petrology Of Oil Shales In Quseir-Safaga District, Egypt
( Qatar University , 1992 , Article)The kerogen and hydrocarbon-generating potential of oil shales from three mining districts in the Red Sea province of Egypt have been investigated using microscopy and elemental analysis. The results reveal that, the ... -
Organic Pollutants Along The Qatari Coast: A Case Study of The Pearl Oyster (Pinctada radiata)
( Qatar University Press , 2020 , Poster)The Qatari marine environment is endangered due to high industrial expansion and anthropogenic pressure over the last few decades. The presence of common contaminants such as Total Petroleum Hydrocarbons (TPHs) and Polycyclic ...
