Browsing by Title
Now showing items 8265-8284 of 48322
-
Effect of expandable graphite on thermal and flammability properties of poly(lactic acid)-starch/poly(ɛ-caprolactone) blend systems
( John Wiley and Sons Inc. , 2018 , Article)The effect of expandable graphite (EG) on the flammability and thermal stability of a poly(lactic acid) (PLA)-starch/poly(ɛ-caprolactone) (PCL) blend was investigated. The samples were prepared by melt-mixing and characterized ... -
The effect of expanded graphite on the flammability and thermal conductivity properties of phase change material based on PP/wax blends
( Springer , 2015 , Article)The study reports on the flammability, thermal stability, impact properties and thermal conductivity of shape-stabilized phase change materials based on a soft Fischer–Tropsch paraffin wax blended with polypropylene (PP). ... -
Effect of expanded graphite on the phase change materials of high density polyethylene/wax blends
( Elsevier , 2015 , Article)Phase change materials fabricated from high density polyethylene (HDPE) blended with 40 or 50 wt% commercial wax (melting point of 43.08�C) and up to 15 wt% expanded graphite (EG) were studied. Techniques including scanning ... -
The effect of expanded graphite on the physical properties of conductive EVA/wax phase change blends for thermal energy storage
( John Wiley & Sons, Ltd. , 2015 , Article)A study of the morphology, dynamic mechanical, impact, and tensile properties of ethylene vinyl acetate copolymer (EVA)/expanded graphite (EG) and EVA/wax/EG composites is presented. The composites were prepared by melt ... -
The effect of expanded graphite on the thermal stability, latent heat, and flammability properties of EVA/wax phase change blends
( John Wiley & Sons, Ltd , 2015 , Article)This article reports on the morphology, melting and crystallization behavior, thermal stability, flammability and thermal conductivity of shape-stabilized phase-change materials (PCM) for thermal energy storage, based on ... -
The Effect of Experimental Recuperative and Appetitive Post-lunch Nap Opportunities, With or Without Caffeine, on Mood and Reaction Time in Highly Trained Athletes
( Frontiers Media S.A. , 2021 , Article)Purpose: To investigate the effects of placebo (PLA), 20 min nap opportunity (N20), 5mg·kg−1 of caffeine (CAF), and their combination (CAF+N20) on sleepiness, mood and reaction-time after partial sleep deprivation (PSD; ... -
Effect of extraction solvents on polyphenols and antioxidant activity of medicinal halophytes
( Pakistan Botanical Society , 2016 , Article)This study was conducted to determine the most effective solvent for extraction of polyphenols and antioxidant activity of medicinally important coastal halophytes (Thespesia populneoides, Salvadora persica, Ipomoea ... -
Effect of Fe/N-doped carbon nanotube (CNT) wall thickness on CO2 conversion: A DFT study
( Elsevier , 2020 , Article)Many researches on CO2 adsorption using carbon nanotubes (CNTs) have been actively studied, but experimental and theoretical studies on CO2 conversion are still in demand. In particular, the effect of CNT wall thickness ... -
Effect of Fertilizer Application on Diversity and Production of Weeds in Crop-Less Fields
( Qatar University , 1993 , Article)The present study aims at assessing the effect of fertilizer application (with monofactorial deficiency of nitrogen, phosphorus, potassium and lime) on the diversity and production of weeds in cultivated but crop-less ... -
Effect of fiber loading directions on the low cycle fatigue of intraply carbon-Kevlar reinforced epoxy hybrid composites
( Elsevier Ltd , 2019 , Article)Effect of fiber orientation on tensile and low cycle fatigue of intraply hybrid composites was investigated. In this work, intraply carbon/Kevlar fabric/epoxy hybrid composites were tested for static and cyclic loadings ... -
The effect of fiber orientation on the energy absorption capability of axially crushed composite tubes
( Elsevier, Ltd , 2014 , Technical Report)An experimental investigation to optimize the absorbed energy of axially crushed composite collapsible tubular energy absorber devices was carried out. Different fiber orientation were used in this study (0/90, 15/−75, ... -
Effect Of Field Environmental Exposure Conditions On The Properties Of Hardened Concrete
( Qatar University , 1993 , Article)The effects of harsh field environmental exposure conditions on compressive, tensile and flexural strengths and durability aspects of concrete such as chloride penetration, sulphate attack and carbonation were investigated ... -
Effect of filler size on thermophysical and electrical behavior of nanocomposites based on expanded graphite nanoparticles filled in low-density polyethylene matrix
(2013 , Article)Various aspects of electrical and thermophysical properties of nanocomposites based on low-density polyethylene matrix filled with nanostructuralized expanded graphite (EG) and standard, microsized graphite are presented ... -
Effect of fin configuration parameters on performance of solar still: A review
( Elsevier B.V. , 2020 , Article)Drinking water is a necessity not only for humanity but also for the all living organisms available in the earth today. But the availability of the potable water is not in abundant amount; hence clean water is scarce in ... -
Effect of flow-induced shear stress in nanomaterial uptake by cells: Focus on targeted anti-cancer therapy
( MDPI , 2020 , Article)© 2020 by the authors. Licensee MDPI, Basel, Switzerland. Recently, nanomedicines have gained a great deal of attention in diverse biomedical applications, including anti-cancer therapy. Being different from normal tissue, ... -
Effect of Fluid Rheology on the Performance of Fibrous Fluid in Horizontal Well Cleanout
( Society of Petroleum Engineers (SPE) , 2022 , Conference Paper)The deposition of solids in the wellbore is a widely known problem encountered during drilling, completion, and intervention operations. Innovative cleanout fluids alleviate problems associated with inefficient hole cleaning. ... -
Effect of Fluid Viscosity and Fiber Length on the Performance of Fibrous Fluid in Horizontal Well Cleanout
( Society of Petroleum Engineers (SPE) , 2023 , Article)During drilling, completion, and intervention operations, solids can deposit in the wellbore. Innovative cleanout fluids reduce the problems associated with inadequate hole cleaning. Various methods have been developed to ... -
Effect of foreign direct investment on domestic enterprises in the gulf countries
( The Institute for Business and Finance Research (IBFR) , 2017 , Article)This study examines the impact of foreign direct investment (FDI) on privately owned domestic firms in the Gulf oil producing countries. It provides its analysis through an examination of the role of FDI in sustainable ... -
Effect of fuel content on the electrocatalytic methanol oxidation performance of Pt/ZnO nanoparticles synthesized by solution combustion
( Elsevier B.V. , 2019 , Article)We report the effect of combustion synthesis conditions on Pt nanoparticle (NP) supported on ZnO (Pt/ZnO) electrocatalysts for methanol oxidation reaction (MOR). The Pt/ZnO NPs are prepared by solution combustion synthesis ... -
The effect of gamma irradiation and shelf aging in air on the oxidation of ultra-high molecular weight polyethylene
( Elsevier , 2006 , Article)This study has investigated the effect of shelf aging, for up to one year in air, on the properties of gamma-irradiated ultra-high molecular weight polyethylene (UHMWPE). A variety of techniques were used to characterize ...
