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السجلات المعروضة 14197 -- 14216 من 53177
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Influence of accelerated weathering on the physical and structural properties of poly(Lactic-acid)/ poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (pla/phbv) blends
( BME-PT and GTE , 2021 , Article)The paper aims to study the poly(lactic acid) (PLA) and poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) blend properties after their degradation under 2000 h of accelerated weathering conditions following the ASTM D4329 ... -
Influence of Adding Demolition Wastes on the Mechanical Properties of Concrete in Sultanate of Oman
( Qatar University Press , 2023 , Conference Paper)Nowadays the global trend in construction industry is to reduce the cost, saving energy and preserving the environment. Using other industries' waste material as a construction material is one of several methods followed ... -
Influence of additives on recycled polymer blends
( Springer Nature , 2013 , Article)Polymer systems based on polymer waste offer promising way to increase recycling in the society. Since fillers play a major role in determining the properties and behavior of polymer composites, recycled polymers can also ... -
Influence of adhesive thickness and filler content on the mechanical performance of aluminum single-lap joints bonded with aluminum powder filled epoxy adhesive
( Elsevier B.V. , 2007 , Article)The objective of this study was to develop information on the influence of adhesive thickness and aluminum filler content on the mechanical performance of aluminum joints bonded by aluminum powder filled epoxy. The adhesive ... -
The influence of adolescents essential and non-essential use of technology and Internet addiction on their physical and mental fatigues
( Springer Nature , 2024 , Article)This study explores the impact of Internet addiction (IA), age, and essential and non-essential technology usage time on the physical and mental fatigue of adolescents. The research surveyed 477 adolescents from Qatar and ... -
Influence of adolescents' and parental dietary knowledge on adolescents' body mass index (BMI), overweight/obesity in 2004-2015: a longitudinal study
( BioMed Central Ltd , 2023 , Article)Objective: The global epidemic of overweight/obesity in children and adolescents poses a significant public health threat. This longitudinal study aims to investigate the relationship between adolescents' and their parents' ... -
Influence of Ag nanoparticles on state of the art MnO2 nanorods performance as an electrocatalyst for lithium air batteries
( Elsevier , 2018 , Article)Abstract The need for an alternative and efficient electrocatalyst to replace Pt-based noble materials is a goal of prime importance in Li– air battery technology. In this work, novel silver nanoparticles-incorporated MnO2 ... -
Influence of anionic surface modifiers on the thermal stability and mechanical properties of layered double hydroxide/polypropylene nanocomposites
( Royal Society of Chemistry , 2015 , Article)Organo-layered double hydroxide/polypropylene (LDH/PP) nanocomposites were successfully synthesized via a solution blending method. As an attempt to improve the compatibility with hydrophobic PP, the LDH surface was modified ... -
INFLUENCE OF ARBUSCULAR MYCORRHIZAL FUNGI (AMF) ISOLATED FROM ARID ZONES ON PLANT GROWTH, PROTEIN CONCENTRATIONS AND RESPONSE TO SALINITY CONDITIONS IN ALFALFA (MEDICAGO SATIVA)
(2022 , Dissertation)The present study is aimed to isolate native effective species of arbuscular mycorrhizal fungi from the Qatari environment and to subject these isolates for evaluation to support the growth of Medicago sativa under saline ... -
Influence of Aspect Ratio on the Bearing Capacity and Correlated Modulus of Subgrade Reaction for Shallow Foundations on Dense Sand
( Qatar Univesrity Press , 2020 , Conference Paper)One of the most fundamental problems in the field of geotechnical engineering is the prediction of bearing capacity and settlement of shallow foundations on cohesion-less soil subjected to vertical central loading. The ... -
The influence of attraction on internet banking: An extension to the trust-relationship commitment model
( Emerald Group Publishing Limited , 2006 , Article)Purpose - This research in this paper aims to investigate and extend the trust-relationship commitment model to an internet banking setting by adding attraction as a new factor. Design/methodology/approach - The paper shows ... -
Influence of automated indexing in Medical Subject Headings (MeSH) selection for pharmacy practice journals
( Elsevier , 2024 , Article)Background: The Medical Subject Headings (MeSH) thesaurus is the controlled vocabulary used to index articles in MEDLINE. MeSH were mainly manually selected until June 2022 when an automated algorithm, the Medical Text ... -
Influence of BaTiO 3 /white graphene filler synergy on the energy harvesting performance of a piezoelectric polymer nanocomposite
( Royal Society of Chemistry , 2019 , Article)In this work, a novel ternary polyvinylidene fluoride hexafluoropropylene (PVDF-HFP) nanocomposite containing ceramic barium titanate nanoparticles (BaTiO 3 ) and hexagonal boron nitride (h-BN) nanolayers is developed. An ... -
Influence of bimetallic nanoparticles composition and synthesis temperature on the electrocatalytic activity of NiMn-incorporated carbon nanofibers toward urea oxidation
( Elsevier , 2018 , Article)High efficiency, cost effectivity and the availability of hydrogen are the advantages of electrolysis as a strategy for urea-containing wastewater treatment. Composition, morphology, and synthesis-temperature distinctly ... -
Influence of bio fabricated manganese oxide nanoparticles for effective callogenesis of Moringa oleifera Lam
( Elsevier Masson s.r.l. , 2023 , Article)The use of nanoscale fertilizers to boost crop output has increased in recent years. Nanoparticles (NPs) can stimulate the biosynthesis of bioactive compounds in plants. It is the first report on biosynthesized manganese ... -
Influence of blending and blend morphology on the thermal properties and crystallization behaviour of PLA and PCL in PLA/PCL blends
( Springer , 2016 , Article)In this paper, we reported on the influence of PCL on the cold crystallization behaviour of PLA in different PLA/PCL blends, and on the influence of blending with PLA on the PCL crystallization behaviour and kinetics. The ... -
Influence of carbon nanotubes on phase composition, thermal and post-heating behavior of cementitious composites
( Multidisciplinary Digital Publishing Institute (MDPI) , 2021 , Article)This paper experimentally investigates the influence of carbon nanotubes (CNTs) on phase composition, microstructure deterioration, thermal behavior, and residual mechanical strengths of cementitious composites exposed to ... -
The Influence of Carbon Nanotubes on the Thermoelectric Properties of Bismuth Telluride
(2020 , Professional Masters Project)Thermoelectric materials are devices that have the ability to convert waste heat to electricity. The widespread use of thermoelectric materials is currently limited by the low value of their figure-of-merit (ZT). Bismuth ... -
Influence of carbon uniformity on its characteristics and adsorption capacities of CO2 and CH4 gases
( MDPI AG , 2021 , Article)Activated carbons of resorcinol-formaldehyde aerogels (AC-RFA) were prepared and mixed with multiwall carbon nanotubes (MWCNTs) with various ratios. Samples were characterized by different techniques. The novelty of the ... -
Influence of casting solvents on co2/ch4 separation using polysulfone membranes
( MDPI AG , 2021 , Article)Polysulfone membranes exhibit resistance to high temperature with low manufacturing cost and high efficiency in the separation process. The composition of gases is an important step that estimates the efficiency of separation ...
