Browsing by Subject "Metals"
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A Review on Fatigue Life Prediction Methods for Metals
( Hindawi Limited , 2016 , Article Review)Metallic materials are extensively used in engineering structures and fatigue failure is one of the most common failure modes of metal structures. Fatigue phenomena occur when a material is subjected to fluctuating stresses ... -
A study comparing conventional heating and microwave assistance heating to recover metals from Municipal Solid Waste using microwave-assisted leaching technique
( Qatar University Press , 2020 , Poster)This study investigates and compares microwave heating radiation with conventional heating. Incinerated Municipal Solid Waste (IMSW) bottom ash (BA) and fly ash (FA) was utilized to to recover various metals including Co, ... -
Assessment of Organic and Inorganic Pollutants Along The Qatari Coast
( Qatar University Press , 2021 , Poster)Qatar sits in the middle of the world's most important hydrocarbon producing areas where significant regional refining activity and shipping traffic take place. In addition to significant local coastline, development ... -
Biomimetic trace metals improve bone regenerative properties of calcium phosphate bioceramics
( John Wiley and Sons Inc , 2021 , Article)The bone regenerative capacity of synthetic calcium phosphates (CaPs) can be enhanced through the enrichment with selected metal trace ions. However, defining the optimal elemental composition required for bone formation ... -
CHAPTER 3: Template-based Fabrication of Porous Carbon Nitride Nanostructures for Electrochemical Energy Conversion
( Royal Society of Chemistry , 2021 , Book chapter)With the ever-increasing energy demand and severe energy crisis, the search for highly efficient energy storage and conversion devices becomes more and more crucial. Among the options available, fuel cells, water electrolysis, ... -
CHAPTER 7: Hybrid Graphitic Carbon Nitride (gCN)-based Devices for Energy Storage and Production
( Royal Society of Chemistry , 2021 , Book chapter)The increasing demand for energy and the reducing supply of conventional energy storage devices have inspired interest to design environmentally-friendly, abundant, and cheap materials for energy storage applications. ... -
CHAPTER 7: Metal Oxide-based Disposable Sensors for Health Monitoring
( Royal Society of Chemistry , 2021 , Book chapter)Metal oxides and their use as disposable sensors in food, environment, and particularly health monitoring have been addressed over recent decades due to their low-cost, ease of use, high sensitivity, fast response and ... -
Deep eutectic solvents on the surface of face centered cubic metals
( American Chemical Society , 2016 , Article)The properties of the deep eutectic solvent based on choline chloride and levulinic acid, for 1:2 molar ratio, on the (100) surfaces of metals with face centered cubic crystal structures (Ag, Al, and Pt) are studied using ... -
How functional traits of estuarine macrobenthic assemblages respond to metal contamination?
( Elsevier B.V. , 2016 , Article)The effects of metal contamination on estuarine macrobenthic communities were investigated using the Biological Traits Analysis (BTA). The study was carried out in the Tagus estuary (western Portugal). Samples of macrobenthic ... -
Innovative method of metal coating of microcapsules containing phase change materials
( Elsevier Ltd , 2016 , Article)Microencapsulation of phase change materials (PCMs) is needed to prevent PCM leaking during melting. However, the low thermal conductivity of the microcapsules shell limits their applications. To enhance thermal conductivity ... -
Man-made impact on the geochemistry of the Nile delta lakes. A study of metals concentrations in sediments
( Kluwer Academic Publishers , 2004 , Article)Forty two sediment samples were collected from four River Nile northern delta lakes (Mariut, Edku, Burullus and Manzalah) to asses the man-made impact on their environment during the last 20 years. Due to the continuous ... -
Mussel-mimicking sulfobetaine-based copolymer with metal tunable gelation, self-healing and antibacterial capability
( Elsevier B.V. , 2020 , Article)In the present study, the sulfobetaine-based copolymer bearing a dopamine functionality showed gel formation adjusted by the application of metal salts for gelation and various values of pH. Normally, the liquid-like ... -
Novel methodology for facile fabrication of nanofiltration membranes based on nucleophilic nature of polydopamine
( Elsevier B.V. , 2016 , Article)Novel methodology for facilely fabricating nanofiltration (NF) composite membrane has been successfully developed by employing nucleophilic nature of polydopamine (PDA) chemistry. The self-polymerized PDA coating over ... -
Numerical simulation of a novel expanded metal tubular structure for crashworthiness application
( Institute of Physics Publishing , 2015 , Conference Paper)Search for new geometries and materials that would serve in crashworthiness applications is a cumulative process. Recent studies investigated the performance of expanded metal tubes and the possible ways to enhance its ... -
Removal of Toxic Elements and Microbial Contaminants from Groundwater Using Low-Cost Treatment Options
( Springer Science and Business Media Deutschland GmbH , 2021 , Article)Purpose of Review: This paper reviews various low-cost treatment techniques such as adsorption, permeable reactive barrier, and biological techniques for the simultaneous removal of chemical and microbial contaminants from ... -
Removal of toxic pollutants from produced water by phytoremediation: Applications and mechanistic study
( Humana Press Inc , 2019 , Article)Elsevier Ltd In this study, a greenhouse experiment of complete randomized design with three replications was conducted to investigate the potential of Medicago sativa, Zea mays, Helianthus annus, Sorghum bicolor, Phragmites ... -
Resource recovery from wastes and wastewaters using bioelectrochemical systems
( Elsevier , 2018 , Book chapter)Recent scientific and technological advancements in bioelectrochemical system (BES) research have opened up several avenues for realizing the concept of bio-based economy. Current research within this area has been directed ... -
Sequential Chemistry Toward Core?Shell Structured Metal Sulfides as Stable and Highly Efficient Visible-Light Photocatalysts
( Wiley-VCH Verlag , 2020 , Article)A universal sequential synthesis strategy in aqueous solution is presented for highly uniform core–shell structured photocatalysts, which consist of a metal sulfide light absorber core and a metal sulfide co-catalyst shell. ... -
Surfactant-templating strategy for ultrathin mesoporous TiO2 coating on flexible graphitized carbon supports for high-performance lithium-ion battery
( Elsevier Ltd , 2016 , Article)The electrochemical performance of nanocomposites could greatly be improved by rationally designing flexible core-shell heterostructures. Typically, the uniform coating of a thin mesoporous crystalline transition metal ... -
Template synthesis of metal tungsten nanowire bundles with high field electron emission performance
( Royal Society of Chemistry , 2016 , Article)One-dimensional (1D) metal nanowires are of great importance for nanodevices due to their distinctive optical, electronic and mechanical properties. Here, for the first time, we report a simple H2 reduction-assisted ...