Browsing Faculty Contributions by Title
Now showing items 7017-7036 of 17411
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Fixed point theorems for weakly T-Chatterjea and weakly T-Kannan contractions in b-metric spaces
( Springer-Verlag , 2014 , Article)In this work, we obtain some fixed point results for generalized weakly T-Chatterjea-contractive and generalized weakly T-Kannan-contractive mappings in the framework of complete b-metric spaces. Examples are provided in ... -
Fixed-dose combination associated with faster time to smear conversion compared to separate tablets of anti-tuberculosis drugs in patients with poorly controlled diabetes and pulmonary tuberculosis in Qatar
( BioMed Central Ltd. , 2018 , Article)Background: Diabetes is associated with increased risk of tuberculosis (TB) treatment failure, death, and relapse compared to patients without diabetes. Current TB regimens are available as fixed dose combination (FDC) and ... -
Fixing the Kingdom: Political Evolution and Socio-Economic Challenges in Bahrain
( Georgetown University School of Foreign Service in Qatar , 2008 , Article)Bahrain has entered into a more ‘progressive’ phase of its history under King Hamad bin Isa Al Khalifa. Various parliamentary and legislative restructuring, in addition to discernable changes within civil society, have ... -
Flare gas-to-power by direct intercooled oxy-combustion supercritical CO2 power cycles
( Elsevier , 2021 , Article)With more than 150 billion m3 of gases annually flared around the world, gas flaring is a major source of greenhouse gas emissions that contaminates the environment with more than 400 Mt CO2/year. Therefore, utilizing the ... -
Flare Gas-to-Power using Supercritical CO2 Power Cycle: Energy and Exergy Analyses
( Qatar University Press , 2021 , Poster)Generating electricity from power cycle using supercritical carbon dioxide (sCO2) as a working fluid is a step towards efficiency improvement in power production field. The huge amount of studies on this topic shows promising ... -
Flare minimization for an olefin plant shutdown via plant-wide dynamic simulation
( Elsevier Ltd , 2020 , Article)During shutdown operations of chemical plants, significant amounts of raw materials, intermediates, and products may be flared leading to economic losses and emissions such as carbon dioxide, nitrogen oxides, and volatile ... -
Flavin Oxidase-Induced ROS Generation Modulates PKC Biphasic Effect of Resveratrol on Endothelial Cell Survival.
( MDPI , 2019 , Article)Dietary intake of natural antioxidants is thought to impart protection against oxidative-associated cardiovascular diseases. Despite many in vivo studies and clinical trials, this issue has not been conclusively resolved. ... -
Flavonoids from Centaurea sinaica
(1992 , Article)Four Newly isolated flavonoids from Centaurea sinaica -
Flavonoids in adipose tissue inflammation and atherosclerosis: One arrow, two targets
( Portland Press Ltd , 2020 , Article Review)Flavonoids are polyphenolic compounds naturally occurring in fruits and vegetables, in addition to beverages such as tea and coffee. Flavonoids are emerging as potent therapeutic agents for cardiovascular as well as metabolic ... -
Flavonoids in hypertension: a brief review of the underlying mechanisms.
( Elsevier , 2019 , Article)Flavonoids are a diverse group of bioactive polyphenolic compounds abundant in dietary plants and herbs. Regular consumption of flavonoids exerts cardio-vasculoprotective effects and may reduce the onset or progression of ... -
Flavonol-carbon nanostructure hybrid systems: A DFT study on the interaction mechanism and UV/Vis features
( Royal Society of Chemistry , 2016 , Article)Flavonols are a class of natural compounds with potential biological and pharmacological applications. They are also natural pigments responsible for the diversity of colors in plants. Flavonols offer the possibility of ... -
Flexible advance reservation models for virtual network scheduling
( IEEE Computer Society , 2015 , Conference Paper)Advance reservation services allows users to pre-reserve network resources at future instants in time. These offerings are already being used by a wide range of applications in scientific/grid computing, datacenter backup, ... -
Flexible hardware-managed isolated execution: Architecture, software support and applications
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)We consider the problem of how to provide an execution environment where the application's secrets are safe even in the presence of malicious system software layers. We propose Iso-X- A flexible, fine-grained hardware-supported ... -
Flexible impedance and capacitive tensile load Sensor based on CNT composite
( Institute of Physics Publishing , 2016 , Article)In this paper, the fabrication and investigation of flexible impedance and capacitive tensile load sensors based on carbon nanotube (CNT) composite are reported. On thin rubber substrates, CNTs are deposited from suspension ... -
Flexible organic photo-thermogalvanic cell for low power applications
( Springer New York LLC , 2016 , Article)In this paper, we report an organic semiconductor based flexible thermogalvanic cell for conversion of heat and light energy into electric power. This thermogalvanic cell has been fabricated using a eco-friendly, affordable ... -
Flexible pressure sensor based on PVDF nanocomposites containing reduced graphene oxide-titania hybrid nanolayers
( MDPI AG , 2017 , Article)A novel flexible nanocomposite pressure sensor with a tensile strength of about 47 MPa is fabricated in this work. Nanolayers of titanium dioxide (titania nanolayers, TNL) synthesized by hydrothermal method are used to ... -
Flexible thermo-electrochemical cells using Iodolyte HI-30 for conversion of low-grade heat to electrical energy
( Royal Society of Chemistry , 2016 , Article)In this research work, we investigated the flexible thermo-electro chemical cells (TECs) for the conversion of low-grade heat into electrical energy in the temperature range of 20–70 °C. The TECs were fabricated using 30 ... -
Flexible tri-layer piezoelectric nanogenerator based on PVDF-HFP/Ni-doped ZnO nanocomposites
( Royal Society of Chemistry , 2017 , Article)In this work, we report Ni doped ZnO/poly(vinylidene fluoride-hexafluoropropylene) [PVDF-HFP] nanocomposites prepared by sandwiching and their structural, morphological, thermal, electrical and piezoelectric properties. ... -
Flexible, biodegradable and recyclable solar cells: a review
( Springer New York LLC , 2019 , Article)Solar energy is conceivably the largest source of renewable energy at our disposal, but vital advances are expected to make solar cells economically viable. Biodegradable and flexible solar cells are currently under extensive ... -
Flexible, Linear, and Systematically Expanded Tetraphosphonate Bolaamphiphiles and Their Inhibition Performance against Calcite and Barite Scale Formation
( American Chemical Society , 2023 , Article)Oilfield scaling is one of the most prevalent water-based oilfield production problems. Chemical inhibitors are often used to combat and prevent scale deposition. The phosphonate functional group is commonly used in many ...