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Now showing items 6986-7005 of 25703
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Effect of gold nanoparticles synthesized using the aqueous extract of Satureja hortensis leaf on enhancing the shelf life and removing Escherichia coli O157:H7 and Listeria monocytogenes in minced camel's meat: The role of nanotechnology in the food industry
( Wiley , 2020 , Article)© 2020 John Wiley & Sons, Ltd. Because herbal nanoparticles have antimicrobial properties, researchers have tried to synthesize them to aid in increasing the shelf time of food and food products. In this regard, gold ... -
Effect Of Gossypol, Apogossypol And Gossypolone On Fatty Acids Pattern Of Lipid Fractions In Rat Serum And Seminal Fluid
( Qatar University , 1994 , Article)he fatty acids pattern of the total lipid fractions of male rat serum and seminal fluids were studied under the effect of gossypol and some of its metabolites (Apogossypol and gossypolone). The applied dose of gossypol and ... -
Effect Of Gossypol, Apogossypol And Gossypolone On Fertility Of Male Rats And In Vitro Sperm Motility
( Qatar University , 1993 , Article)The effect of the naturally occurring polyphenolic pigment, gossypol, and some of its metabolites, apogossypol and gossypolone, on the fertility of male rats has been studied in vivo. The normal growth of the rats was ... -
The effect of gossypol, gossypolone and apogossypol on the lipids of male rat Serum and seminal fluid
( Qatar University , 1994 , Article)The neutral and polar lipids of serum and seminal fluid of male rats were investigated under the effect of gossypol acetic acid, apogossypol and gossypolone. The total phospholipids and the neutral serum lipids showed ... -
Effect of graphene loading on thermomechanical properties of poly(vinyl alcohol)/starch blend
( Wiley Periodicals, Inc. , 2015 , Article)Polymer nanocomposites based on poly(vinyl alcohol) (PVA)/starch blend and graphene were prepared by solution mixing and casting. Glycerol was used as a plasticizer and added in the starch dispersion. The uniform dispersion ... -
The effect of graphene on the activation energy of grain growth for the nanocrystalline thermoelectric n‑type Bi2Te2.7Se0.3
(2022 , Article)Even though bismuth telluride is frequently produced by mechanical alloying for thermoelectric materials, no data has been published addressing the thermal behavior and activation energy of the milled n-type Bi2Te2.7Se0.3 ... -
Effect of graphene on thermal stability of tin selenide
( Elsevier , 2022 , Article)The thermal stability of polycrystalline tin selenide (SnSe) is essential for its long-term applications. In this study, the thermo-mechanical stability of hot compacted polycrystalline SnSe and SnSe/graphene nanocomposite ... -
The effect of graphene structural integrity on the power factor of tin selenide nanocomposite
( Elsevier , 2021 , Article)Tin selenide graphene nanocomposites (SnSe/GNPs) were fabricated with high-energy ball milling and hot pressing by varying the milling time of graphene. The effect of ball milling time on the graphene integrity and the ... -
Effect of halloysite nano tubes on the thermal degradation behaviour of PCL/PLA microfibrillar composites
( Elsevier , 2017 , Article)This paper reports on the thermal degradation behaviour and kinetics of halloysite nanotubes containing microfibrillated poly(ε-caprolactone) (PCL)/poly(lactic acid) (PLA) blends. It was found that the nanotubes probably ... -
Effect of halloysite nanotubes on the thermal degradation behaviour of poly(ε-caprolactone)/poly(lactic acid) microfibrillar composites
( Elsevier Ltd , 2017 , Article)This paper reports on the thermal degradation behaviour and kinetics of halloysite nanotubes containing microfibrillated poly(ε-caprolactone) (PCL)/poly(lactic acid) (PLA) blends. It was found that the nanotubes probably ... -
Effect of harvesting methods on the energy requirement of Tetraselmis sp. biomass production and biocrude yield and quality
( Elsevier Ltd , 2019 , Article)A halo-tolerant Tetraselmis sp. was grown in a 100,000 L raceway pond in the Qatari desert environment. As the biomass density reached 0.679 g/L, after 7 days, five different harvesting methods (i.e., cross-flow filtration, ... -
Effect of hexagonal on the in-plane crushing behaviour of plain weave composite hexagonal quadruple ring system
( Taylor and Francis Ltd. , 2019 , Article)In this study, an experimental investigation into the crushing behaviour of one dimensional composite hexagonal cellular structure between two plates has been carried out. The materials have been used to accomplish the ... -
Effect of high pass filtering of the regenerated reference signal in a single channel active noise control system
( International Institute of Acoustics and Vibration, IIAV , 2018 , Conference Paper)An acoustic noise cancellation (ANC) system with regenerative feedback synthesizes its own reference signal based on the error signal and the adaptive filter output. The prime objective of such a configuration is to estimate ... -
Effect of high-velocity scenarios on the performance of MIMO LTE packet scheduling
( IEEE , 2011 , Conference Paper)In this paper we analyze the performance of advanced OFDM packet scheduling techniques based on 3GPP UTRAN Long Term Evolution (LTE) framework for high velocity scenarios. Based on our previous investigations in system ... -
Effect of hot extrusion and T6 heat treatment on microstructure and mechanical properties of Al-10Zn-3.5Mg-2.5Cu nanocomposite reinforced with graphene nanoplatelets
( Elsevier Ltd , 2018 , Article)Al-10Zn-3.5Mg-2.5Cu/graphene nanocomposites were developed by a combination of liquid metallurgy and hot extrusion techniques. The effect of varying graphene content (0.1%, 0.3%, 0.7% and 1.0%) on microstructure and ... -
The Effect Of Hotel Online Reviews On The Booking Intention Of Customers
(2018 , Professional Masters Project)The motivation behind this research is to examine the impact of hotel online reviews have on a customer’s booking intention. The number of hotel bookers that follow online hotel reviews and online bookings are increasing ... -
Effect of humidity on the electrical properties of the silver polyaniline/polyvinyl alcohol nanocomposites
( Elsevier B.V. , 2019 , Article)Polymer-metal nanocomposites with enhanced mechanical, optical, electrical, dielectric, and antimicrobial properties are currently in high demand for many industrial applications. Here, we study and present the effect of ... -
Effect Of Hydrocortisone On The Skin Of The Developing Chick Embryo
( Qatar University , 1986 , Article)Hydrocortisone treatment of chick embryos caused acceleration of epidermis thickening and keratinization, decrease in dermal cell number and increase of dermal collagenous fibres. The hormone also caused a marked increase ... -
Effect of Hydrothermal Carbonization Parameters and Performance of Carbon Dioxide Adsorption on Pineapple Peel Waste Biochar
( Wiley-Blackwell , 2022 , Article)Low-cost biochar adsorbents were prepared from pineapple peel waste (PPW) via hydrothermal carbonization (HTC) for CO2 capture. The effects of hydrothermal carbonization temperature, retention time, and heating rate were ... -
Effect of Hyperglycemia on eNOS function in EPCs
( Qatar University Press , 2020 , Poster)Type 2 diabetes mullites (T2DM) results in different cardiovascular complications. The main cause of these complications is endothelial dysfunction, which affects the endothelium physiologically and pathologically. The ...