تصفح Research Units حسب العنوان
السجلات المعروضة 2308 -- 2327 من 4819
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Influence of pH on chloride binding isotherms for cement paste and its components
( Elsevier , 2021 , Article)In this paper, chloride (Cl−) binding isotherms are developed for cement hydration compounds, specifically, calcium-silicate-hydrates (CSH) and AFm phases including mono-sulfate aluminate, hydroxy-AFm, monocarbonate-AFm, ... -
Influence of polyelectrolyte architecture on the electrokinetics and dewaterability of industrial membrane bioreactor activated sludge
( Academic Press , 2019 , Article)Improvement of sludge dewaterability is greatly hindered by the presence of large amounts of interstitial water molecules trapped in the sludge as a result of strong hydrophilic characteristics. This study has investigated ... -
Influence of polyelectrolyte structure and type on the degree of flocculation and rheological behavior of industrial MBR sludge
( Elsevier B.V. , 2020 , Article)The influence of polyelectrolyte's type and structure on the rheological characteristics of industrial highly stable membrane bioreactor (MBR) sludge have been investigated and were related to its degree of flocculation ... -
Influence of polyelectrolytes and other polymer complexes on the flocculation and rheological behaviors of clay minerals: A comprehensive review
( Elsevier B.V. , 2017 , Article Review)Separation of clay minerals from industrial wastewaters is of great academic and practical importance. Current treatment techniques are either not economically viable, not environmentally friendly, or both. Thus, researchers ... -
Influence of polyolefin modified by Y2O3 as protective coatings against carbon steel corrosion into 3.5% NaCl media
( Springer , 2023 , Article)In this research work, we have studied the impact of Yttrium nanoparticles loaded with corrosion inhibitors dodecylamine (DOC) incorporated in polyolefin for the corrosion protection of steel. The surface analysis of pure ... -
Influence of relative humidity on the electrical response of PEDOT:PSS based organic field-effect transistor
( Elsevier B.V. , 2018 , Article)We have investigated the influence of relative humidity on the electrical response of a bottom gate organic field-effect transistor (OFET) with poly(3,4-ethylenedioxythiophene)/poly(4-styrene sulfonate) (PEDOT:PSS) as an ... -
Influence of surface modification of carbon nanotubes on interactions with polystyrene-b-polyisoprene-b-polystyrene matrix and its photo-actuation properties
( John Wiley & Sons, Ltd. , 2014 , Article)The influence of various surface modification of multiwalled carbon nanotubes (MWCNT) on preferential interactions with individual phases of the linear triblock copolymer polystyrene-b-polyisoprene-b-polystyrene (SIS) and ... -
Influence of Surfactant Structure on the Stability of Water-in-Oil Emulsions under High-Temperature High-Salinity Conditions
( Hindawi Limited , 2017 , Article)Emulsified water-in-oil (W/O) systems are extensively used in the oil industry for water control and acid stimulation. Emulsifiers are commonly utilized to emulsify a water-soluble material to form W/O emulsion. The selection ... -
Influence of temperature on the confinement effects of micro and nano level graphite filled poly(isoprene-co-isobutylene) composites
( Springer Netherlands , 2016 , Article)Electrically conducting elastomer composites using nanocarbon fillers have utmost significance in the current scenario of flexible electronics. Though a large number of reports have come out in this topic, the influence ... -
Influence of temperature, salinity and Mg:Ca ratio on microbially-mediated formation of Mg-rich carbonates by Virgibacillus strains isolated from a sabkha environment.
( Nature Research , 2019 , Article)Studies have demonstrated that microbes facilitate the incorporation of Mg into carbonate minerals, leading to the formation of potential dolomite precursors. Most microbes that are capable of mediating Mg-rich carbonates ... -
Influence of the Ce :YAG amount on structure and optical properties of Ce :YAG-PMMA composites for white LED
( De Gruyter , 2016 , Article)Ce:YAG-poly(methyl methacrylate) (PMMA) composites were prepared by using a melt compounding method, adding several amounts of Ce:YAG in the range 0.1–5wt.%. The optical properties of the obtained composites and of the ... -
Influence of the presence of medium-soft paraffin wax on the morphology and properties of iPP/silver nanocomposites
( Budapest University of Technology , 2015 , Article)The aim of this study was to investigate the presence of wax, different Ag nanoparticle contents, and different cooling rates from the melt, on the morphology, thermal and electrical conductivity, and dynamic mechanical ... -
Influence of TiO2 nanoparticles on the crystallization behaviour and tensile properties of PLA/TiO2, PCL/TiO2 and PLA/PCL/TiO2 nanocomposites.
( Springer Verlag , 2018 , Article)This paper investigated the influence of TiO2 nanoparticles on the morphologies, as well as crystallization behaviour and kinetics, of neat PLA and PCL, and of these polymers in different PLA/PCL blends. We used transmission ... -
Influenza Prevalence and Vaccine Efficacy in Diabetic Patients in Qatar
( Qatar University Press , 2021 , Poster)Introduction: Diabetes (DM) is often recognized as ?an independent risk factor for developing severe respiratory tract infections. Influenza infections are associated with higher hospitalization, morbidity and mortality ... -
Infrastructural, Socio-cultural and Economic Issues Dealing with Disabled Spectators: Lessons from the FIFA World Cup 2018.
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2022 , Conference Paper)FIFA World Cup 2018 took place in Russia during 14th of June - 15th of July 2018. More than 3 million people watched the games of the 2018 World Cup live in the 11 cities stadiums across country. The average attendance at ... -
Inhibition of p90 ribosomal S6 kinase potentiates cisplatin activity in A549 human lung adenocarcinoma cells
( Wiley , 2020 , Article)© 2020 Royal Pharmaceutical Society Aim: Cisplatin is a standard treatment approach against lung adenocarcinoma. Resistance to cisplatin and the toxic side effects of cisplatin continue to remain a challenge. Combining ... -
Inhibitor loaded calcium carbonate microparticles for corrosion protection of epoxy-coated carbon steel
( Elsevier Ltd , 2019 , Article)pH-sensitive calcium carbonate microparticles were loaded with polyethyleneimine (PEI), a corrosion inhibitor, and used as anti-corrosion additive in epoxy coatings applied on carbon steel. The presence of PEI in the CaCO3 ... -
Initial Results from a Study on Greywater Reuse in Qatar: Economic Benefits and Public Opinions
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)Due to low annual rainfall and depleted groundwater resources, Qatar relies on expensive and energy-intensive desalination and retreatment plants to meet its growing water demand. With a high consumption rate of 557 ... -
Initiation and inhibition of pitting corrosion on reinforcing steel under natural corrosion conditions
( Elsevier Ltd , 2017 , Article)Initiation and inhibition of pitting corrosion on reinforcing steel in saturated, naturally aerated Ca(OH)2 solutions, under natural corrosion conditions, are followed through measurements of corrosion current, electrochemical ... -
Injury burden in individuals aged 50 years or older in the Eastern Mediterranean region, 1990–2019: a systematic analysis from the Global Burden of Disease Study 2019
( Elsevier , 2022 , Article)BackgroundInjury poses a major threat to health and longevity in adults aged 50 years or older. The increased life expectancy in the Eastern Mediterranean region warrants a further understanding of the ageing population's ...
