Browsing by Title
Now showing items 26714-26733 of 50342
-
Visceral adiposity index is a better predictor of type 2 diabetes than body mass index in Qatari population
( Lippincott Williams and Wilkins , 2020 , Article)The prevalence of type 2 diabetes (T2D) has increased recently in Qatar. Body mass index (BMI) is a predictor of T2D in many populations. However, BMI is based on height and weight measurements and not on body adiposity. ... -
Viscoelastic and photo-actuation studies of composites based on polystyrene-grafted carbon nanotubes and styrene-b-isoprene-b-styrene block copolymer
( Elsevier Ltd , 2014 , Article)Photoactuating composites based on the linear triblock copolymer polystyrene-b-polyisoprene-b-polystyrene (SIS) were prepared by incorporation of polystyrene-modified multiwalled carbon nanotubes (MWCNT-PS). Modification ... -
Viscoelastic behaviour of Bovine Myocardiam and valvular tissue: Applications in Bio prosthetic heart valve with enhanced properties
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)Cardiovascular diseases are among the major causes of morbity and mortality. Particularly, the prevalence of heart valve disease(damaged heart valve leaflet) is one of the most common ailment. In elderly people, every year ... -
Viscosity and density of ternary solution of calcium chloride + sodium chloride + water from T = (293.15 to 323.15) K
( American Chemical Society , 2014 , Article)Viscosities and densities of ternary systems of CaCl2–NaCl–water were measured in the range of T = (293.15 to 323.15) K at 5 K intervals and up to 4.5 mol·kg–1. Two equations based on the Exponential and Goldsack and ... -
Viscosity of Al2O3-water nanofluids
( Elsevier Ltd , 2020 , Conference Paper)In many aspects the past decade has proved the rapid development of water based and oil based nanofluids science. Number of research is conducted to estimate the behavior of these fluids in the different thermal equipments. ... -
Viscosity Of Hydrocarbon Liquids Saturated With Gas
( Qatar University , 1995 , Article)Experimentally measured kinematic viscosities are reported for benzene, cyclohexane and n-heptane saturated with hydrogen, nitrogen and carbon dioxide. A Zeitfuchs cross-arm viscometer suspended in a unique design ... -
Viscous Behavior of Dilute CMC Salt Solution Before and After Photodegradation
( Qatar University , 2006 , Article)Photodegradation curve of carboxymethylcellulose (CMC) in aqueous solution has been reported. Densities and solution viscosities of very dilute CMC salt solution before and after UV-irradiation have been measured. ... -
Viscous behavior of imidazolium-based ionic liquids
(2013 , Article)The viscosity of four imidazolium-based ionic liquids is analyzed as a function of pressure and temperature. Experimental measurements were carried out using an electromagnetic moving piston viscometer in the 303-353 K and ... -
Viscous origin of ionic liquids at the molecular level: A quantum chemical insight
( Elsevier , 2014 , Article)The viscosity of selected families of ionic liquids has been assessed at the molecular level as a function of the intermolecular interactions using Density Functional Theory together with Atoms-in-a-Molecule and Natural ... -
Viscous-Gravity spreading of oil on water
( John Wiley & Sons, Inc. , 2001 , Article)Spreading of oil on calm water is analyzed for the second stage of spread, which is controlled by a balance between gravity and viscous forces. The analysis, using the integral boundary-layer method, agreed well with a ... -
VisDrone-CC2020: The Vision Meets Drone Crowd Counting Challenge Results
( Springer Science and Business Media Deutschland GmbH , 2020 , Conference Paper)Crowd counting on the drone platform is an interesting topic in computer vision, which brings new challenges such as small object inference, background clutter and wide viewpoint. However, there are few algorithms focusing ... -
Visfatin : An emerging adipocytokine bridging the gap in the evolution of cardiovascular diseases
( Wiley , 2021 , Article)Visfatin/nicotinamide phosphoribosyltransferase (NAMPT) is an adipokine expressed predominately in visceral fat tissues. High circulating levels of visfatin/NAMPT have been implicated in vascular remodeling, vascular ... -
Visfatin: A Possible Role in Cardiovasculo-Metabolic Disorders
( Multidisciplinary Digital Publishing Institute (MDPI) , 2020 , Article)Visfatin/NAMPT (nicotinamide phosphoribosyltransferase) is an adipocytokine with several intriguing properties. It was first identified as pre-B-cell colony-enhancing factor but turned out to possess enzymatic functions ... -
The Visibility of Disabilities within Pharmacy Program Recruitment Material.
( University of Minnesota Libraries Publishing , 2020 , Article)Targeted recruitment of students with disabilities is a novel area in pharmacy education and may help to attract qualified students in light of decreasing applicant numbers. The aim of this study was to explore the visibility ... -
Visible Forensic Investigation for Android Applications by Using Attack Scenario Reconstruction
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)With the widespread use of Android devices, research on their security has attracted increasing attention. However, at present, digital forensics for investigating attacks, such as social engineering attacks and phishing ... -
Visible light communication for intelligent transportation systems: A review of the latest technologies
( Elsevier , 2021 , Article Review)In seeking to improve traffic congestion and safety on roads and highways, there has been an increased interest in intelligent transportation systems (ITS). The emerging visible light communication (VLC) technology is a ... -
Visible Light Photocatalytic Activity of Ag/WO3 Nanoparticles and its Antibacterial Activity Under Ambient Light and in The Dark
( Elsevier , 2022 , Article)Nanomaterial such as metals and metal oxide photocatalysts have emerged as important tools for removing contaminants from wastewater and as antibacterial agents to prevent infections; this is mainly due to their stability ... -
Visible light-driven metal-oxide photocatalytic CO2 conversion
( John Wiley & Sons, Ltd. , 2015 , Article)In this work, nine photocatalysts were prepared by a conventional solid-state reaction method. The samples were characterized by X-ray diffraction, UV–Vis diffuse reflectance spectroscopy, surface area measurements based ... -
A Vision on 6G-Enabled NIB: Requirements, Technologies, Deployments, and Prospects
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)Network-in-a-box (NIB) aims to provide personalized private network services in mission-crit-ical situations. Innovation in business models in industry 4.0 would require NIB to get positioned anywhere and provision seamless ... -
Vision-based curved lane keeping control for intelligent vehicle highway system
( SAGE Publications Ltd , 2019 , Article)This article addresses the coordinated longitudinal and lateral motion control for an intelligent vehicle highway system. The strategy of this work consists of defining the edges of the traveled lane using a vision sensor. ...
