تصفح Center for Advanced Materials Research حسب العنوان
السجلات المعروضة 290 -- 309 من 1303
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A distinctive method of online interactive learning in stem education
( MDPI , 2021 , Article)A breakthrough that has occurred in recent years is the emergence of the COVID-19 pandemic. It has affected various sectors of society, including the educational sector. It has prevented students from performing group-oriented ... -
Distributed state estimation, fault detection and isolation filter design for heterogeneous multi-agent linear parameter-varying systems
( Institution of Engineering and Technology , 2017 , Article)In this study, the authors present a new approach for the design of distributed state estimation and fault detection and isolation (FDI) filters for a class of linear parameter-varying multi-agent systems, where the ... -
Dosage Optimization of Polypropylene Fiber for Strength Enhancement of Cementitious Composites
( Qatar Univesrity Press , 2020 , Conference Paper)"Concrete is the most commonly used materials for construction in Qatar as well as in the world. Exposure to sever environmental conditions causes physical deterioration of concrete structures and significantly affect ... -
Double layered polymeric coatings for corrosion protection of steel
( Qatar University Press , 2021 , Poster)Corrosion is one of the challenging issues faced by many industries, causing substantial economic losses every year due to the degradation of metallic parts, raising many safety concerns. Therefore, it is of utmost relevance ... -
Drug-clay nanohybrids as sustained delivery systems
( Elsevier Ltd , 2016 , Article)Biocompatible 2-dimensional layered compounds such as clays and layered double hydroxides (anionic clays) have been explored and utilized in drug delivery system for therapeutic application because they can safely encapsulate ... -
Dry ice-mediated rational synthesis of edge-carboxylated crumpled graphene nanosheets for selective and prompt hydrolysis of cellulose and eucalyptus lignocellulose under ambient reaction conditions
( Royal Society of Chemistry , 2020 , Article)Edge-selectively carboxylated graphene (ECG) crumpled nanosheets are of great importance in potential applications; however, their catalytic activity towards biomass hydrolysis is not yet highlighted. Herein, we rationally ... -
Dry sliding tribological properties of a hard anodized aa6082 aluminum alloy
( MDPI AG , 2020 , Article)The applications of aluminum and its alloys are still limited by low hardness and low wear resistance properties. Surface modifications, such anodizing and plasma electrolytic oxidation, represent a feasible way to overcome ... -
Dual cationic modified high Ni-low co layered oxide cathode with a heteroepitaxial interface for high energy-density lithium-ion batteries
( Elsevier , 2021 , Article)Lithium-ion batteries (LIBs) with high energy density, safety with longer service life, cost-effectiveness, and superior cycling stability is a demand to achieve the driving range of 300 miles per charge in electric vehicles ... -
Dual donor bulk-heterojunction to realize a quick and more sensitive organic visible photodector
( Springer , 2018 , Article)© 2018, Springer Science+Business Media, LLC, part of Springer Nature. We present herein, an interpenetrating organic dual donor bulk-heterojunction platform for promising visible light sensing utility. The photoactive ... -
Dual Role of Lanthanum Oxide Nanoparticles Functionalized Co-Polymeric Micelle for Extended Anti-Cancer Drug Delivery
( Wiley-Blackwell , 2019 , Article)In this study, the paclitaxel (PTX) - loaded A?B type di-block polymeric micelles poly xylitol sebacate-poly methylmethacrylic acid/Lanthanum Oxide/paclitaxel (PXS-PMAA/LO/PTX) were designed and Lanthanum oxide nanoparticles ... -
Durability and Microstructure of Cement Composites Containing Qatar's Municipal Wastes
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Qatar produces more than 2.5 million tons of municipal waste per year with an average waste generation rate of 1.8 kg/day/capita which is one of the highest rates in the world. The rapid growth of municipal solid waste has ... -
Durability characteristics of high and ultra-high performance concretes
( Elsevier , 2021 , Article)Durability characteristics of high-performance concrete (HPC) and ultra-high performance concrete (UHPC) are evaluated in comparison to normal strength concrete (NSC). HPC and UHPC are cast using commonly available materials ... -
Durability of plain concrete prism strengthened with galvanized steel mesh and CFRP laminates under harsh environmental conditions
( Elsevier , 2021 , Article)This paper investigates the bond durability of recently developed galvanized steel mesh (GSM) strengthening systems compared to the carbon fiber-reinforced polymer (CFRP) composites under severe environments. Plain concrete ... -
Dynamic mechanical analysis and broadband electromagnetic interference shielding characteristics of poly (vinyl alcohol)-poly (4-styrenesulfonic acid)-titanium dioxide nanoparticles based tertiary nanocomposites
( Taylor and Francis Inc. , 2020 , Article)Novel tertiary nanocomposite films comprising of poly (vinyl alcohol) (PVA), poly (4-styrenesulfonic acid) (PSSA) and titanium dioxide (TiO2) nanoparticles (NPS) were prepared using simple solvent casting method. The ... -
Dynamic mechanical properties of PLA/PHBV, PLA/PCL, PHBV/PCL blends and their nanocomposites with TiO2 as nanofiller
( Elsevier , 2015 , Article)The effect of blending and the addition of small amounts of TiO2 nanoparticles on the dynamic mechanical properties of PLA/PHBV, PLA/PCL and PHBV/PCL blends is reported in this paper. The storage modulus of the PLA/PHBV ... -
Eco-Friendly Electromagnetic Interference Shielding Materials from Flexible Reduced Graphene Oxide Filled Polycaprolactone/Polyaniline Nanocomposites
( Taylor and Francis Inc. , 2016 , Article)Hybrid nanocomposites have the unique ability of enhancing material properties due to the existing synergistic effect of the fillers. In this study, the authors report such an eco-friendly hybrid nanocomposite comprising ... -
Eco-friendly foam biocomposites based on cellulose extracted from date palm leaves and low-density polyethylene
( Web Portal IOP , 2020 , Article)The design of composite materials using environmentally compatible materials and adopting sustainable preparation techniques is very necessary for a better environment. The present study is a step towards developing an ... -
Eco-friendly highly efficient BN/rGO/TiO2 nanocomposite visible-light photocatalyst for phenol mineralization
( Springer , 2021 , Article)Boron nitride (BN) and reduced graphene oxide (rGO) of different loadings were composited with commercial P25 TiO2 (Ti) through the hydrothermal method. The as-prepared nanocomposites were characterized using various ... -
Eco-Friendly Synthesis of Graphene Oxide Reinforced Hydroxypropyl Methylcellulose/Polyvinyl Alcohol Blend Nanocomposites Filled with Zinc Oxide Nanoparticles for High-k Capacitor Applications
( Taylor and Francis Inc. , 2016 , Article)Polymer/inorganic nanocomposites comprising of hydroxypropyl methylcellulose and polyvinyl alcohol as a polymer matrix and unique combination of graphene oxide and zinc oxide nanoparticles as fillers have been prepared ... -
Economic evaluation of hybrid electrical systems for rural electrification: A case study of a rural community in Nigeria
( Taylor and Francis Ltd. , 2022 , Article)Diesel generators have long been in use in rural communities in Nigeria despite the impact of emissions caused by these generators on the environment. Due to the high cost and fluctuation in the diesel price and the need ...