Browsing Qatar University Institutional Repository by Title
Now showing items 14444-14463 of 27817
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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 ... -
Morphometric Analysis of the Corpus Callosum According to Age and Sex in Middle Eastern Arabs: Racial Comparisons and Clinical Correlations to Autism Spectrum Disorder
( Frontiers Media S.A. , 2020 , Article)This study sought to examine the influence of age and sex on morphometric measurements of the corpus callosum (CC) within Middle Eastern Arab population, in order to obtain reference data and conduct racial comparisons ... -
Morphometric profile of tendocalcaneus of South Africans of European ancestry using a cadaveric approach.
( Via Medica sp. z o.o. , 2020 , Article)Tendocalcaneus is a strong tendon that is vital for bipedalism in humans. Despite its tremendous strength, the tendocalcaneus is prone to damage and degeneration causing mobility problems and pain. Morphometric dimension ... -
Morphometric study of the hard palate and its relevance to dental and forensic sciences
( Hindawi Limited , 2019 , Article)This study was conducted to identify the morphometric features of the hard palate and to test the reliability of using palatal morphology in sex determination. Three hundred maxillary casts were collected from dental clinics ... -
Morphometry of Desert Wadi Drainage on the West Bank between Danffq and Dallas, Luxor-Qena Region, Egypt.
( Qatar University , 1982 , Article)Quantitative measurements of lineation and morphometric analyses of 24 wadi drainage basins on the west bank of the Nile between Danfiq and Ballas. Luxor-Oena region, reveal that (1) the drainage lines are mainly perpendicular ... -
Mortality prediction utilizing blood biomarkers to predict the severity of COVID-19 using machine learning technique
( MDPI , 2021 , Article)Healthcare researchers have been working on mortality prediction for COVID-19 patients with differing levels of severity. A rapid and reliable clinical evaluation of disease intensity will assist in the allocation and ... -
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 ... -
The mosquito melanization response requires hierarchical activation of non-catalytic clip domain serine protease homologs.
( Public Library of Science , 2019 , Article)Serine protease cascades regulate important insect immune responses namely melanization and Toll pathway activation. An important component of these cascades are clip-domain serine protease homologs (cSPHs), which are ... -
Mossbauer Effect Study of Libyan Desert Silica Glass
( Qatar University , 1981 , Article)The Mossbauer effect and X-ray fluorescence techniques are applied to study the Libyan Desert Silica Glass. The X-ray flourescence proved the existence of 13 elements in each sample of five glass types with differences in ... -
Mossbauer Effect Study of the Cations Distribution and its Influence on the Electric Field Gradient of the Cdx Co1-x Ferrite System
( Qatar University , 1982 , Article)In the ferrite system Cd,Co,_x Fe; 04 (X=0.0, O.I, 0.2, ....... , 1.0). it was found that the introduction of Co2'1' decrease the EFG at the octahedral B-site. This was attributed to the distributions of the different ... -
Mossbauer Effect Study of the Hyper fine Structure of the Different Phases of Iron in the Portland Cement Produced in Qatar
( Qatar University , 1981 , Article)Various samples of the raw materials used in the manufacture of Portland cement in Qatar, the clinker produced and the cement itself were studied by using Mossbauer Effect and X-ray diffraction analysis in order to investigate ... -
The most common mosquitoes at Al- Rayyan municipality (Qatar state) and their potential for transmitting malaria
(2015 , Master Thesis)During the period from December 2014 to April 2015, a mosquito survey (Diptera: Culicidae) was conducted at Al Rayyan Municipality, western region of Qatar. The survey aimed to identify the most common mosquitoes species ... -
Mothers beliefs and barriers about childhood diarrhea and its management in Morang district, Nepal
(2012 , Article)Background: In developing countries, mothers usually manage diarrhea at home with the pattern of management depending on perceived disease severity and beliefs. The study was carried out with the objective of determining ... -
Mothers' knowledge, attitude and practice regarding diarrhea and its management in morang nepal: An interventional study
(2012 , Article)Purpose: To assess diarrhea-related knowledge, attitude and practice through successive educational interventions. Methods: This was an interventional study conducted at nine different locations of Morang district, Nepal ... -
Motion Artifacts Correction from EEG and fNIRS Signals Using Novel Multiresolution Analysis
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Article)Physiological signal measurement and processing are increasingly becoming popular in the ambulatory setting as the hospital-centric treatment is moving towards wearable and ubiquitous monitoring. Most of the physiological ... -
Motion Artifacts Correction from Single-Channel EEG and fNIRS Signals Using Novel Wavelet Packet Decomposition in Combination with Canonical Correlation Analysis
( MDPI , 2022 , Article)The electroencephalogram (EEG) and functional near-infrared spectroscopy (fNIRS) signals, highly non-stationary in nature, greatly suffers from motion artifacts while recorded using wearable sensors. Since successful ... -
The motion of a point vortex in multiply-connected polygonal domains
( Multidisciplinary Digital Publishing Institute (MDPI) , 2020 , Article)We study the motion of a single point vortex in simply-and multiply-connected polygonal domains. In the case of multiply-connected domains, the polygonal obstacles can be viewed as the cross-sections of 3D polygonal ...