Browsing Research Units by Title
Now showing items 2688-2707 of 4648
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Morphology and properties of poly(methyl methacrylate) (PMMA) filled with mesoporous silica (MCM-41) prepared by melt compounding
( Springer , 2016 , Article)This paper reports on the morphologies of poly(methyl methacrylate) (PMMA)/mesoporous silica (MCM-41) composites prepared by melt compounding with various MCM-41 contents in the range of 0.1–5 wt%, the interactions between ... -
Morphology and properties of the PP/LDPE/wood powder and the MAPP/LDPE/wood powder polymer blend composites.
( SAGE Publications , 2017 , Article)The properties of polypropylene/low-density polyethylene and maleic anhydride grafted polypropylene/low-density polyethylene blends, and their wood powder composites are compared in this study. The blends contained equal ... -
Morphology and thermal degradation studies of melt-mixed PLA/PHBV biodegradable polymer blend nanocomposites with TiO2 as filler
( Wiley Periodicals, Inc. , 2015 , Article)The morphology and thermal stability of melt-mixed poly(lactic acid) (PLA)/poly(hydroxybutyrate-co-valerate) (PHBV) blends and nanocomposites with small amounts of TiO2 nanoparticles were investigated. PLA/PHBV at 50/50 ... -
Morphology and thermal degradation studies of melt-mixed PLA/PHBV biodegradable polymer blend nanocomposites with TiO2 as filler.
( Wiley , 2015 , Article)The morphology and thermal stability of melt-mixed poly(lactic acid) (PLA)/poly(hydroxybutyrate-co-valerate) (PHBV) blends and nanocomposites with small amounts of TiO2 nanoparticles were investigated. PLA/PHBV at 50/50 ... -
Morphology and thermal degradation studies of melt-mixed poly(hydroxybutyrate-co-valerate) (PHBV)/poly(ε-caprolactone) (PCL) biodegradable polymer blend nanocomposites with TiO2 as filler
( Springer , 2015 , Article)The morphology, thermal stability and thermal degradation kinetics of melt-mixed poly(hydroxybutyrateco-valerate) (PHBV)/poly(e-caprolactone) (PCL) blends filled with small amounts of titanium(IV)oxide (TiO2) nanoparticles ... -
Morphology and thermal degradation studies of melt-mixed poly(lactic acid) (PLA)/poly(ε-caprolactone) (PCL) biodegradable polymer blend nanocomposites with TiO2 as filler
( Elsevier , 2015 , Article)The morphology and thermal stability of melt-mixed poly(lactic acid) (PLA)/poly(ε-caprolactone) (PCL) blend nanocomposites with small amounts of TiO2 nanoparticles were investigated. The nanoparticles were mostly located ... -
Morphology of epoxy/rubber blends
( Springer International Publishing , 2017 , Book chapter)The investigations on the morphological features of epoxy/rubber blends are of great importance as the morphology controls the property and performance of these blends. The characterization techniques like optical microscopy ... -
Morphology, interfacial interaction, and thermal degradation of polycarbonate/MCM-41 (nano)composites
( Taylor & Francis , 2017 , Article)This article reports on the morphology, interfacial interaction, thermal stability, and thermal degradation kinetics of polycarbonate (PC)/mesoporous silica (MCM-41) composites with various MCM-41 contents, prepared by ... -
Morphology, nucleation, and isothermal crystallization kinetics of poly(butylene succinate) mixed with a polycarbonate/MWCNTs masterbatch
( MDPI , 2018 , Article)In this study, nanocomposites were prepared by melt blending poly(butylene succinate) (PBS) with a polycarbonate (PC)/multi-wall carbon nanotubes (MWCNTs) masterbatch, in a twin-screw extruder. The nanocomposites contained ... -
Morphology, Nucleation, and Isothermal Crystallization Kinetics of Poly(ε-caprolactone) Mixed with a Polycarbonate/MWCNTs Masterbatch
( MDPI AG , 2017 , Article)In this study, nanocomposites were prepared by melt blending poly (ε-caprolactone) (PCL) with a (polycarbonate (PC)/multi-wall carbon nanotubes (MWCNTs)) masterbatch in a twin-screw extruder. The nanocomposites contained ... -
Morphology, thermal and dynamic mechanical properties of poly(lactic acid)/expandable graphite (PLA/EG) flame retardant composites
( SAGE Publications Ltd , 2019 , Article)This work reports on the effect of expandable graphite (EG) on the morphology, thermal and dynamic mechanical properties of flame retardant poly(lactic acid) (PLA)/EG composites. The composites were prepared by melt-mixing ... -
Mosaic nanoparticle display of diverse influenza virus hemagglutinins elicits broad B cell responses.
( Nature Research , 2019 , Article)The present vaccine against influenza virus has the inevitable risk of antigenic discordance between the vaccine and the circulating strains, which diminishes vaccine efficacy. This necessitates new approaches that provide ... -
MOTIVATION AND LEARNING: A SURVEY STUDY IN PREPARATORY AND SECONDARY LEVELS IN QATARI SCHOOLS
( Progressive Academic Publishing , 2019 , Article)Many studies have investigated the key role that motivation plays in student performance and academic achievement across different grade levels. Using survey methodology, this study aimed at determining student motivation ... -
Motives for Choosing to Study in International Branch Campuses in Qatar: Focusing on Nationalities in "National-minority States"
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2020 , Conference Paper)This paper clarifies the motives of students to study in International Branch Campuses (IBCs) in Qatar. In Qatar, a lot of IBCs have been established in Education City, for example, Georgetown University, Carnegie Mellon ... -
Motorcyclists’ Safety on Expressways: Subjective and Objective Evaluations
( Springer Berlin Heidelberg , 2019 , Article)This study objectively and subjectively investigates the factors influencing motorcyclists’ safety on expressways. The relationships between motorcyclist stress while driving on expressways and potential influencing factors ... -
mRNA-1273 COVID-19 vaccine effectiveness against the B.1.1.7 and B.1.351 variants and severe COVID-19 disease in Qatar
(2021 , Article)The SARS-CoV-2 pandemic continues to be a global health concern. The mRNA-1273 (Moderna) vaccine was reported to have an efficacy of 94.1% at preventing symptomatic COVID-19 due to infection with ‘wild-type’ variants in a ... -
Multi-component MWCNT/NG/EP-based bipolar plates with enhanced mechanical and electrical characteristics fabricated by compression moulding
( Elsevier Ltd , 2018 , Article)In this work, multi-walled carbon nanotubes (MWCNTs), natural graphite (NG) and epoxy (EP) were used to fabricate bipolar plates by the compression moulding technique. The mechanical and thermal behaviours of the as-developed ... -
A multi-country survey for collecting and analyzing facts related to road traffic safety: Legislation, enforcement, and education for safer drivers
( Elsevier , 2022 , Article)Road traffic safety is a crucial global objective. It is important for every country to review and improve road safety policies and strategies, based on an objective understanding of its own road traffic safety situation ... -
Multi-criteria classification, sorting, and clustering: a bibliometric review and research agenda
( Springer Nature Switzerland AG. , 2022 , Article)Multi-criteria decision analysis (MCDA) has been increasingly adopted to solve decision-making problems involving multiple options and multiple criteria. These methods have been proven to improve the analytic rigor, ... -
Multi-functional wet-electrospun piezoelectric nanofibers sensing mat: Manufacturing, characterization, and applications
( Elsevier Ltd , 2023 , Article)This paper introduces the fabrication of multi-featured nanofibers membranes using wet-electrospinning process. Polyvinylidene fluoride (PVDF) nanofibers were wet-electrospun onto poly (3, 4-ethylenedioxythiophene) poly ...