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السجلات المعروضة 14144 -- 14163 من 49668
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Investigation of antimicrobial properties and in-vitro bioactivity of Ce3+-Sr2+dual-substituted nano hydroxyapatites
( Blackwell Publishing Inc. , 2019 , Article)Dual doped calcium apatite has been widely focused as it enhances the osteoconductive property for the possible applications in orthopedic and dental implants. In this work, we investigate the antimicrobial and bioactive ... -
Investigation of Bacillus Thuringiensis Plasmid Instability and its Effect on the Synthesis of Crystals
( Qatar University Press , 2020 , Poster)In order to explore plasmid instability in Bt, four Bt strains belonging to two Bt subspecies were cultured at 42°C for 9 days. HD1 and QBT376 belong to subspecies kurstaki, while H14 and QBT218 belong to subspecies ... -
INVESTIGATION OF BACTERIAL DIVERSITY AND CHEMOMETRIC ASSESSMENT FOR ENHANCING BIOREMEDIATION OF HYDROCARBONS IN QATARI SOILS
(2018 , Dissertation)Qatar is one of the leading countries in oil and gas industry worldwide. Qatar is located in the middle of the Arabian Gulf sea, a semi-closed sea surrounded by many petrochemical sites, besides the active offshore traffic ... -
Investigation of beech wood modified by radio-frequency discharge plasma
( Elsevier Ltd , 2015 , Article)Low-temperature plasma was used to improve the surface and adhesive properties of wood. The pre-treatment of wood surfaces using radio-frequency (RF) discharge plasma is attractive for various wood applications, mainly ... -
Investigation of Biochemical Alterations in Ischemic Stroke Using Fourier Transform Infrared Imaging Spectroscopy-A Preliminary Study.
( MDPI , 2019 , Article)Brain damage, long-term disability and death are the dreadful consequences of ischemic stroke. It causes imbalance in the biochemical constituents that distorts the brain dynamics. Understanding the sub-cellular alterations ... -
Investigation of differentially expressed genes and dysregulated pathways involved in multiple sclerosis
( Elsevier , 2022 , Book chapter)Multiple Sclerosis (MS) is a neurodegenerative autoimmune and organ-specific demyelinating disorder, known to affect the central nervous system (CNS). While genetic studies have revealed several critical genes and diagnostic ... -
Investigation of effects of temperature cycles on soil-concrete interface behavior using direct shear tests
( Elsevier B.V. , 2019 , Article)This publication was made possible by NPRP Grant NPRP-9-080-2-039 from Qatar National Research Fund (a member of the Qatar Foundation). L. M. Calado acknowledges Fundação para a Ciência e Tecnologia ( FCT ) for Ph.D. grant ... -
An investigation of endometrial vascularity in normally menstruating women and those in other physiological states using 3D ultrasound imaging
( Wiley-Blackwell , 2024 , Article)Objectives: This study aimed to determine the normal vasculature indices of the endometrium and to correlate them with those in various physiological states. Methods: Women undergoing ultrasound at the Feto-Maternal Center, ... -
Investigation of Ester- and Amide-Linker-Based Porous Organic Polymers for Carbon Dioxide Capture and Separation at Wide Temperatures and Pressures
( American Chemical Society , 2016 , Article)Organic compounds, such as covalent organic framework, metal–organic frameworks, and covalent organic polymers have been under investigation to replace the well-known amine-based solvent sorption technology of CO2 and ... -
Investigation of Factors Affecting Online Knowledge Sharing of Knowledge Training Centers in the MENA Region
( Qatar University , 2015 , Article)The study applied Unified Theory of Acceptance and Use of Technology (UTAUT) Model in the voluntary context of online knowledge sharing of knowledge training centers in the MENA region. Quantitative data were collected ... -
Investigation of factors affecting turn signal usage at modern roundabouts in State of Qatar
( Informa UK Limited - Taylor & Francis , 2023 , Article)Drivers are expected to use turn signals to indicate other drivers of their intentions of taking turns, lane changing, merging or diverging indicating safe driving behaviour. This study investigated the rates of turn signal ... -
Investigation of Factors Influencing Students' Intentions to Use the Internet: Jordanian Universities Context
( Qatar University , 2006 , Article)The increasing use of information technology (IT) applications within universities context increases the importance of exploring cognitive and psychological factors that might influence successful introduction and usage ... -
Investigation of Fe-Doped Graphitic Carbon Nitride-Silver Tungstate as a Ternary Visible Light Active Photocatalyst
( Hindawi , 2021 , Article)The rapid population growth and economic development have largely contributed to environmental pollution. Various advanced oxidation processes have been used as the most viable solution for the reduction of recalcitrant ... -
Investigation of Filter Cake Evolution in Carbonate Formation Using Polymer-Based Drilling Fluid
( American Chemical Society , 2021 , Article)Drilling fluid and filtrates invasion often alter the near-wellbore flow properties during overbalanced drilling. The utilization of polymeric gels to prevent drilling fluid loss reduces the risk of formation damage caused ... -
Investigation of flexible polymer-Tl2O3 nanocomposites for x-ray detector applications
( Elsevier B.V. , 2019 , Article)We report on the synthesis and characterization of composite semiconducting polymer – nanoparticle membranes for X-ray detection applications. The membranes are made of poly(vinyl alcohol) (PVA) organic polymer that is ... -
Investigation of fracture behavior of annealed electroless Ni-P coating on pipeline steel using acoustic emission methodology
( Elsevier B.V. , 2017 , Article)Electroless Ni-P coatings have been a popular option for a variety of applications because of their autocatalytic nature and excellent resistance to wear and corrosion. These properties of Ni-P coating suggest an additional ... -
Investigation of Gap Acceptance at Roundabouts in Qatar
(2017 , Master Thesis)Modern roundabouts are a popular method to control traffic at intersections. In this type of roundabouts, priority is given to the circulating flow, and the approaching vehicles have to find a gap to merge with the flow ... -
Investigation of gas-liquid flow using electrical resistance tomography and wavelet analysis techniques for early kick detection
( American Society of Mechanical Engineers (ASME) , 2021 , Conference Paper)Gas kick is a well control problem and is defined as the sudden influx of formation gas into the wellbore. This sudden influx, if not controlled, may lead to a blowout problem. An accidental spark during a blowout can lead ... -
Investigation of Genetic Causes in Patients with Congenital Heart Disease in Qatar: Findings from the Sidra Cardiac Registry
( Multidisciplinary Digital Publishing Institute (MDPI) , 2022 , Article)Congenital heart disease (CHD) is one of the most common forms of birth defects worldwide, with a prevalence of 1–2% in newborns. CHD is a multifactorial disease partially caused by genetic defects, including chromosomal ... -
Investigation of housing preferences in view of the housing market dynamics in doha metropolitan
( Springer , 2019 , Book chapter)Since the 2000s, Doha has gone through enormous economic growth and urbanization processes. The massive migration inflows have suggested particular housing preferences that are driven by the demographic and lifestyle ...
