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Qatar Foundation Annual Research Forum Volume 2010 Issue 1
- Conference date: 12-13 Dec 2010
- Location: Qatar National Convention Center (QNCC), Doha, Qatar
- Volume number: 2010
- Published: 13 December 2010
151 - 166 of 166 results
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Improving mechanical and thermal properties of AZ31 magnesium alloy through simultaneous addition of aluminum and nano-alumina
Authors: Md Ershadul Alam, S Han, QB Nguyen, M Gupta and AMS HamoudaAbstract In the present study, AZ51 magnesium alloy and AZ51-Al2O3 magnesium nano-composite was successfully synthesized incorporating elemental aluminium (Al) (2 wt.%) and simultaneous addition of Al (2 wt.%) and nano-sized Al2O3 (1.5 vol.%) into pure AZ31 alloy, respectively, using an innovative disintegrated melt deposition technique followed by hot extrusion. Microstructural characterization studies revealed Read More
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Holocene sabkha and coastal systems of Qatar: models for the interpretation of ancient Arabian plate carbonate evaporite reservoirs and coastal management
More LessAbstract Facies tracts, sediment types, stacking patterns, and diagenetic histories of Holocene sabkhas of Qatar provide compelling analogues for the interpretation of ancient, carbonate-evaporite sequences of the Arabian Plate. The use of modern analogues to aid in the interpretation of geological and engineering data is well established in the petroleum industry. Comparison of sabkhas from different physiographic regio Read More
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A new risk-based approach for alarm system design
Authors: Salim Ahmed and Faisal KhanAbstract Increasing demands for higher efficiency and strict environmental regulations for process industries have led to the development of sophisticated control technologies and smart sensors. However, improved control mechanisms and better sensors have not been able to eliminate abnormal operating conditions. As a result operator interventions are routinely required. Alarms are at the forefront of the safety syste Read More
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First-ever research on the basic ecology of the Ethiopian hedgehog (Paraechinus aethiopicus) in Qatar
More LessAbstract Biodiversity conservation attracts much attention all over the world, highlighted in 2010, the United Nation's International Year of Biodiversity. Effective biodiversity conservation needs basic biological and environmental information, including the behavior and ecology of organisms. The Ethiopian hedgehog (Paraechinus aethiopicus), which is well adapted to the desert environment, is a common species in Read More
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Potentials for commercialization of novel Fischer-Tropsch reactor technology
Authors: Nimir Elbashir, Eman Tora, Elfatih Elmalik and Mahmoud El HalwagiAbstract This paper comprises of a preliminary in-depth analysis of the techno-economic criteria for the Fischer-Tropsch synthesis (FTS) solvent selection. Both conventional media (i.e. gas phase FTS and liquid phase FTS) as well as non-conventional media (near-critical and supercritical phase FTS) were examined, with an emphasis on non-conventional media FTS for the design and commercialization of a novel FTS react Read More
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Supported gold nanocatalyst for low temperature CO oxidation and combustion of volatile organic compounds (VOC)
By Khaled SaoudAbstract Carbon monoxide (CO) and volatile organic compounds (VOC), such as butadiene and isoprene, are air pollutants emitted by many industrial sources, such as burning of wood and fuel with poor ventilation, and by natural sources including forest fires or volcanic eruptions. It was found that these compounds are also significantly abundant in many industrial processes. Therefore, low-temperature catalytic oxidatio Read More
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Study of interrelationship between atmospheric turbulence with oceanic wave motions
Authors: Ahmad Assem Jichi, Reza Sadr and Arindam SinghaAbstract The exchange of momentum between the wind and the ocean surface is the primary source of various oceanic phenomena, both in large (e.g., El Niño) and small-scales (e.g., generation of wind waves, storm surge and coastal upwellings). Based on the existing literature on wind-wave interaction, it can be suggested that a unique missing link exists between the standard atmospheric and oceanic-circulation models. This Read More
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Genetic and environmental variation among Qatari date palm cultivars assessed by DNA markers
By Talaat AhmedAbstract Date palms are generally propagated by separating the offshoots produced by individual trees. This method maintains the genetic integrity of date palm cultivars. However, well known date palm cultivars that are grown in different environments show little differences in fruit morphology and quality such as color and sweetness. The objective of the present research project is to analyze the genetic diversity among most c Read More
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Development of a high-speed, magnetically-loaded energy storage system
More LessAbstract Williams Formula One (WF1) is one of the world's leading racing teams and has pioneered many technological innovations for racing cars in the past thirty years. Williams Technology Centre (WTC) is a recently formed company that is focused on exploiting one of the technologies WF1 has been nurturing for hybrid automotive applications, flywheel storage. WTC business objectives are; the advancement of a cost-effecti Read More
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Biodiversity of Qatari Bacillus thuringiensis strains and molecular prediction of their biological activities and bioassays: for a safer and clean environment
Authors: Asmaa Mohamed Raess, Mariam Al Muraikhi, Roda Al Thani and Jaoua SamirAbstract Qatar's soil and environment are sources of beneficial bacterial strains and bacterial resources that should be first of all, identified, isolated, studied, used and valorized. In fact, the Qatari environment should be elective for many microbial genetic resources tolerant to high temperature, drought, salinity and hydrocarbon rich soil. Isolating microbial strains having biotechnological applications would be very b Read More
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Development and control of homogenous charge compression ignition engines: a preliminary study
Authors: Marwa Walid Fathy Abdelgawad, Reza Tafreshi, Jiafeng Sun, Reza Langari and Timothy JacobsAbstract For many years, researchers have been trying to develop internal combustion engines with increased efficiency, while striving to satisfy stricter environmental regulations that limit the constituents of harmful emissions being produced. Homogenous charge compression ignition (HCCI) engines have provided a window of opportunity to make this happen since they incorporate the most ‘attractive’ features from b Read More
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Paper recycling at Qatar University
Abstract In 2007, 2,500,000 tons of waste in Qatar was disposed of on the Umalafai landfill, of which 700,000 tons constituted domestic waste, However, only 4600 tons of this waste was discharged to be recycled, and of this 149 tons was paper waste. This high amount of waste paper in 2007, when the population of Qatar was 907,229 means that there should be even more waste as the population reached 1,900,000 in Read More
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Numerical methods in modeling and simulating fluid flow in heterogeneous and naturally fractured hydrocarbon reservoirs
Abstract More than 50% of proven hydrocarbon reserves are in naturally fractured reservoirs (NFR) and fractures are present in most carbonate reservoirs. The heterogeneity of NFR material properties; permeability and porosity, is of large scale thus presenting a challenge in modeling fluid flow and recovery mechanisms numerically. For a large class of fractured reservoirs, especially for multiphase production mechanisms, Read More
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Genetic diversity of date palm in Qatar
Authors: Sara Hani Al Hadidi, Hala Nazeh Al Agha and Ahmed TalaatAbstract Date palm is the most important fruit tree in Qatar. Recently developed techniques, based on DNA markers, offer new tools for genetic analysis. The objectives of the present study are to analyze the genetic diversity among 15 different cultivars of date palm at the experimental farm of Qatar University using ISSR and SSR markers, and find out the genetic similarity and/or diversity among the well known date pal Read More
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The Qatar Unified Imaging Project (QUIP)
By Moe TammiAbstract VCUQatar was recently granted QNRF funding to spearhead a highly collaborative and distributed project to advance knowledge of Qatar's history, traditions and culture. The Qatar Unified Imaging Project (QUIP) will identify and map the dispersed collections of Qatar's primary source materials in Qatar, India, Britain, and Denmark, then distribute selected results of that research from an open-access digital repository. Read More
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Fracture-related diagenesis in the carbonate carapace of a salt dome, Jebel Madar, Oman
More LessAbstract This study, carried out in the Qatar Carbonates and Carbon Storage Research Centre (QCCSRC) at Imperial College focuses on the interplay between fractures, diagenetic fluid flow and precipitation of diagenetic minerals in an exposed carbonate carapace of a salt dome in Oman. Understanding fault-related mineralization and the differences between diagenesis in the fractures and fracture walls compared Read More
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