Browsing Research Units by Title
Now showing items 1036-1055 of 4556
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Dielectric properties of polyvinyl alcohol (PVA) nanocomposites filled with green synthesized zinc sulphide (ZnS) nanoparticles
( Springer New York LLC , 2019 , Article)In this study, zinc sulphide nanoparticles (ZnS NPs) have been synthesized by green synthesis approach. These ZnS NPs were used as nanofiller to fabricate polyvinyl alcohol (PVA) based nanocomposite films via solution ... -
Dielectric sensitization of zeolitic imidazolate framework-8 (ZIF-8) nanopowder.
( Academy of Sciences and Arts of the Republic of Srpska , 2017 , Article)Metallo-organic complexes are a class of materials that are increasingly used in sensory applications. Zeolitic imidazolate frameworks (ZIFs) are their subclass that are topologically isomorphic with zeolites. The porosity ... -
Dielectric Spectroscopy
( Elsevier , 2017 , Book chapter)In this chapter, an attempt has been made to review dielectric spectroscopy (DS) as a technique for the characterization of nanomaterials. DS involves the study of the response of a material to an electric field, which ... -
Diesel-fired boiler performance and emissions measurements using a combination of diesel and palm biodiesel
( Elsevier Ltd , 2021 , Article)Biodiesel is widely accepted as a fuel that is similar to diesel with various advantages. Biodiesel's low-temperature flow qualities are one of its characteristics that limits its use. The goal of this study was to see how ... -
Dietary habits of Palestinian adolescents and associated sociodemographic characteristics in Ramallah, Nablus and Hebron governorates
( The Nutrition Society , 2010 , Article)Objective: To describe food habits and associated sociodemographic factors. Design: Cross-sectional survey in 2005. Setting: Ninety-six school classes in Ramallah, Nablus and Hebron governorates, Occupied Palestinian ... -
Dietary habits of Palestinian adolescents in three major governorates in the West Bank: a cross-sectional survey
(2010 , Article)The Palestinian society is undergoing changes in their dietary habits and in the prevalence of obesity and overweight. Palestinian adolescents (aged 10–19 years) make up 24% of the population. Their dietary habits are ... -
Differentiation of human olfactory bulb-derived neural stem cells toward oligodendrocyte.
( Wiley , 2018 , Article)In the central nervous system (CNS), oligodendrocytes are the glial element in charge of myelin formation. Obtaining an overall presence of oligodendrocyte precursor cells/oligodendrocytes (OPCs/OLs) in culture from different ... -
DIGITAL INNOVATION : A BLESSING OR A CURSE ?
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)We all somehow witnessed the needeness we have today towards technology. Either when we were getting medical services or public services or others… Our world today is becoming more and more digital to a point that is ... -
Digital innovation in SMEs: a systematic review, synthesis and research agenda
( Taylor and Francis , 2022 , Article)This paper presents a systematic literature review on digital innovation in Small and Medium-sized Enterprises (SMEs). It aims to synthesize previous research and identify knowledge gaps and future research opportunities. ... -
Digital revolution: impacts, opportunities, challenges
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)After the Renaissance of the 15th century and the industrial revolution of the 18th and 19th centuries, we are now witnessing an enormous revolution, incomparable to the fi rst two, a revolution of a diff erent dimension. ... -
Dilution of seawater using dewatered construction water in a hybrid forward osmosis system
( Elsevier Ltd , 2018 , Article)In this study, dewatered construction water was used for the first time as the feed solution in a combined pretreatment-forward osmosis process to dilute seawater (i.e. draw solution) for further desalination. It was found ... -
Dimensions and Dynamics of Delhi's Diversified Energy Pursuits in the Persian Gulf
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2019 , Conference Paper)The anticipated growth in the Indian economy in the coming decades will engender an increased dependency on imported energy supplies. A considerable portion of these will be shipped through the Persian Gulf. Delhis ... -
Direct electroreduction of indium and tin oxides in molten salts
( Electrochemical Society Inc. , 2014 , Article)Indium is a rare metal. The largest end use for indium is in thinfilm coatings as indium oxide combined with 10 percent tin oxide (ITO). However, indium has recycling rates less than 1%. Indium and tin are especially well ... -
Direct Experimental Evidence for Photoinduced Strong-Coupling Polarons in Organolead Halide Perovskite Nanoparticles
( American Chemical Society , 2016 , Article)Echoing the roaring success of their bulk counterparts, nano-objects built from organolead halide perovskites (OLHP) present bright prospects for surpassing the performances of their conventional organic and inorganic ... -
Direct Measurement of Vessel Pressure in Chicken Embryo during Development
( Qatar University Press , 2021 , Poster)Hemodynamic conditions play a critical role in embryonic cardiovascular development, and altered blood flow leads to congenital heart defects (CHD). Chicken embryos are commonly used as models of cardiac development, with ... -
Direct Z-Scheme Cs2O-Bi2O3-ZnO Heterostructures as Efficient Sunlight-Driven Photocatalysts
( American Chemical Society , 2018 , Article)Limited light absorption, inefficient electron-hole separation, and unsuitable positions of conduction band bottom and/or valence band top are three major critical issues associated with high-efficiency photocatalytic water ... -
Discrepancy in MALDI-TOF MS identification of uncommon Gram-negative bacteria from lower respiratory secretions in patients with cystic fibrosis
( Dovepress , 2015 , Article)Introduction: Early identification of microbial organisms from respiratory secretions of patients with cystic fibrosis (CF) is important to guide therapeutic decisions. The objective was to compare the accuracy of ... -
Disinformation as cybersecurity: a holistic approach
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2021 , Conference Paper)Definitions of cybersecurity tend to differ on whether to include disinformation or misinformation. This intervention argues that disinformation is an important aspect within the context of critical security. Only a holistic ... -
Dispersion Behaviors of Flare Gases in Different Weather Conditions
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)Flare gases, consisting of methane and other volatile organic compounds, are byproducts of oil and gas extraction. While flaring serves as a safety measure, it contributes to greenhouse gas emissions and releases pollutants ... -
Dispersion of soft Bi particles and grain refinement of matrix in an Al-Bi alloy by equal channel angular pressing
( Elsevier BV , 2014 , Article)The deformation behavior of a soft particle containing Al-8Bi hypermonotectic alloy during equal-channel angular pressing was studied. The size, shape and distribution of soft Bi particles are substantially modified via ...