Browsing Academic by Title
Now showing items 14083-14102 of 26317
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Morphisms Of Affine Schemes And Equivalence Of Categories
( Qatar University , 1996 , Article)In this work we construct the relation between the category R-filt (G(R)-gr) and the category O^ — Filt(O^ — Gr). The quantum (ungraded) version of this result can be obtained by restricting to parts of zero degree. ... -
Morphological analysis with Cone Beam Computed Tomography of the maxillary sinus in maxillary displaced canine subjects
( Hamad bin Khalifa University Press (HBKU Press) , 2022 , Article)Background: The upper permanent canine tooth germ develops close to maxillary sinus (MS) 1 therefore, upper canine displacement and MS pneumatization may have a link. 2 This study aims to evaluate the MS dimensions, volume, ... -
Morphological and dimensional variations of the frontal air sinuses in a group of adolescent Caucasians and Chinese in different skeletal malocclusions: a cross-sectional cephalometric study.
( Springer , 2022 , Article)This study aimed to evaluate the morphological and dimensional variations of the frontal air sinuses in a group of adolescent Caucasians and Chinese with different skeletal malocclusions in both genders. This retrospective ... -
Morphological and structural properties of VoPcPhO:P3HT composite thin films
( Elsevier , 2016 , Article)In this paper, we report the formation of VOPcPhO and P3HT composite nanostructures by spin-coating technique. Novel structural and morphological properties of the composite film have been observed at a specific volumetric ... -
Morphological descriptive analysis of Qatari Arabic nouns.
( Qatar University , 1993 , Article)Qatari Arabic is a form of the Arabic language It is used by the native speakers of Qatar as a dialect of Arabic. The social structure of the Qatari society is very similar to those of the Arabian Peninsula in origin. ... -
Morphology analysis
( Elsevier , 2020 , Book chapter)This chapter is dedicated to the surface morphology and topography analyses of various types of polymers in terms of their structural conformations and resulting material structures. The morphology of polymers includes ... -
Morphology and magnetic properties of the ethylene-co-vinyl acetate/iron nanocomposite films prepared by implantation with Fe6+ ions
( Elsevier , 2016 , Article)Ethylene-co-vinyl acetate/iron nanocomposite films were fabricated by implantation with multiplecharged ions at different fluencies. The films obtained with ion fluency of 1 × 1017cm−2were used forspecific studies. It was ... -
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 property changes in PLA/PHBV blends as function of blend composition
( Springer Netherlands , 2018 , Article)PLA/PHBV blends were prepared by melt mixing. The morphology and physical properties of the blends and neat polymers were investigated. Scanning electron microscopy (SEM) studies provided evidence of interfacial cavities ... -
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 Control of TiO Nanorods Using KBr Salt for Enhancing the Photocatalytic Activity of TiO and MoS/TiO Heterostructures.
( MDPI , 2022 , Article)In this study, the effect of KBr salt on the growth of TiO nanorods (NRs) was systematically studied. The addition of KBr with different concentrations provides a controllable growth of TiO NRs using hydrothermal method. ... -
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 ... -
The morphology of synhimantus (dispharynx) passeri sp. Nov., nematoda (acuariidae)
( Qatar University , 1990 , Article)A new species of the nematode genus Syahimantus recovered from Passer domesticus niloticus at Cairo is described using both light and scanning electron microscopy. The taxonomy of the new species is discussed and compared ... -
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 ...
