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19 articles for “Elemental Composition”
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Research ArticleOpen accessPhrase in the titleElemental Composition and Concentration of Atmospheric Particulate Matter in KuwaitJasem M. Al-Awadhi, Anwar B. Al-HelalHourly PM10 and PM2.5 samples were simultaneously collected at 10 and 3 urban sites, respectively in Kuwait from March 2014 to February 2015, to study the air quality and heavy metals content and Total Petroleum Hydrocarbons (TPHs) in PM10 samples. The annual average concentrations of PM10 and PM2.5 were 152 and 97.3 μg/m3, respectively, with an average PM2.5/PM10 ratio of … …American Journal of Environmental Sciences, Vol. 13, Issue 1 · 18 Feb 2017 · 7,623 accessesView PDFCite
Research ArticleOpen accessIn the keywordsMixed Nickel Cobalt Manganese Oxide Nanorods for supercapacitor applicationRajat Mondal, Surjit Sahoo, Chandra Sekhar RoutMixed Nickel Cobalt Manganese oxide (NiCoMn-Oxide) is a new class of excellent material for supercapacitor application. Here, hydrothermal synthesis technique has been employed to prepare mixed NiCoMn-Oxide nanorods. The elemental composition and morphology of this material were validated by X-Ray Diffraction (XRD), Scanning Electron Microscopy (SEM) and EDX techniques. To analyze the capacitive performance of this material, cyclic voltammetry and … …American Journal of Engineering and Applied Sciences, Vol. 9, Issue 3 · 22 Jun 2016 · 9,044 accessesView PDFCite
Research ArticleOpen accessIn the keywordsGeophysical and Geological Studies of the Spread and Industrial Quality of Okurike Barite DepositAnthony E. Akpan, Ebong D. Ebong, Stephen E. Ekwok, Sackey JosephInvestors have been avoiding the Okurike Barite due to paucity of information on its economic worth in spite of the high demand for barites by the local industries. This study was embarked upon to determine the spread and industrial quality of the barite deposit in order to bridge the information gap. The Okurike Barite mineralised site was investigated using geophysical … …American Journal of Environmental Sciences, Vol. 10, Issue 6 · 22 Dec 2014 · 7,256 accessesView PDFCite
Research ArticleOpen accessIn the keywordsGEOPHYSICAL AND LABORATORY STUDIES OF THE SPREAD AND QUALITY OF THE ODUKPANI LIMESTONE DEPOSITT. E. Chidomerem, A. E. Akpan, I. O. AkpanThe Odukpani limestone deposit has been investigated using geophysical and laboratory techniques with the aim of generating information on its spread and quality. Information generated from the analyses of twenty-six Vertical Electrical Soundings (VES) and core drilling data were used in the study. The VES data were acquired in both grid and random patterns in the immediate area of the … …American Journal of Environmental Sciences, Vol. 10, Issue 4 · 20 Jun 2014 · 7,097 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAnnual Concentration Report and Emission Sources Analysis of the Air Pollutants Measured by the Air Quality Monitoring StationP Khaenamkaew, S. Raksawong, K. Wongsorntam et al.Problem statement: Air Quality Monitoring (AQM) station at Kasetsart University, Si Racha Campus, Thailand, was routinely monitor the annual concentrations and analysis the emission sources of the air pollutants in the area since 2007. The level of concentration CO, SO2, NOx and O3 were measured. PM10 concentration was measured by mean of TOEM method. The PM10 and TSP (manifold) filters … …American Journal of Environmental Sciences, Vol. 7, Issue 5 · 1 Oct 2011 · 6,733 accessesView PDFCite
Research ArticleOpen accessIn the abstractComparative Forensic Profiling of Primer-Derived Inorganic Gunshot Residues Using SEM-EDX SpectroscopyAhmed M. Bendary Salem, Aldo Barbaro, Bolaji OladipoGunshot Residue (GSR) analysis presents a significant challenge in forensic science due to the need to detect and identify minute traces of powders and initiating compositions formed during the chemical decomposition and deflagration processes within cartridge cases. This research is a qualitative comparative profiling study, designed to create a reference database of the most characteristic elemental markers for commonly used … …American Journal of Applied Sciences, Vol. 22, Issue 1 · 6 Mar 2026 · 2,726 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Comparative Study of SEM-EDX and ICP-MS Detection Based on Gunshot Residue Originated from AK-47 and M16 RiflesYaowaluck Phermpornsagul, Suphareark Arepornrat, Worasit Palkawong Na Ayuthaya, Panya KhaenamkaewThis is a comparative study on Gunshot Residues (GSR) originated from AK-47 and M16 rifles by SEM-EDX and ICP-MS. The GSR samples were obtained from multiple body parts of the shooter (hand, cloth and helmet) with elapsed times, as well as from multiple shooting occasions. The SEM-EDX data established the different shapes and dimensions of the GSR samples and the … …American Journal of Applied Sciences, Vol. 17, Issue 1 · 30 Apr 2020 · 8,747 accessesView PDFCite
Research ArticleOpen accessIn the abstractInvestigating Sintering Mechanisms for Additive Manufacturing of Conductive TracesJasmine McKenzie, Salil DesaiAdditive Manufacturing (AM) processes enable the fabrication of miniaturized and flexible devices on complex geometries. This paper explores a hybrid additive manufacturing technology that integrates micro-extrusion and PICO-jetting methods. Conductive slurries and colloidal inks were optimized for their rheological properties to aid their precise deposition. A variety of conductive materials which include carbon, silver, nano-particle silver and nickel were deposited … …American Journal of Engineering and Applied Sciences, Vol. 11, Issue 2 · 5 May 2018 · 8,669 accessesView PDFCite
Research ArticleOpen accessIn the abstractInvestigating Bio-Char as Flow Modifier and Water Treatment Agent for Sustainable Pavement DesignRenaldo Walters, Shamim A. Begum, Elham H. Fini, Taher M. Abu-LebdehThe life expectancy of Asphalt Binder (AB) has been negatively impacted by the harsh bombardment of Ultraviolet (UV) rays. UV rays cause asphalt to oxidize faster, which results in the deterioration of asphalt's rheological characteristics that can lead to pavement distresses. This paper investigates merits of bio-char to improve asphalt aging susceptibility by blending one control binder (PG 64-22) and … …American Journal of Engineering and Applied Sciences, Vol. 8, Issue 1 · 22 Apr 2015 · 9,049 accessesView PDFCite
Research ArticleOpen accessIn the abstractINVESTIGATION OF STABILITY OF KOREAN GINSENG IN HERBAL DRUG PRODUCTLatifa Bashir Babiker, Elrasheed Ahmed Gadkariem, Riyadh Mohammed Alashban, Haya Ibrahim ALjoharThis study was designed to investigate long term stability of K-Gin capsules, a herbal medication that contains korean ginseng. Stability studies ensuring the maintenance of product quality, safety and efficacy throughout the shelf life are considered as pre-requisite for the acceptance and approval of any pharmaceutical product. Conducting long term stability studies following the guidelines issued by ICH, WHO and … …American Journal of Applied Sciences, Vol. 11, Issue 1 · 18 Dec 2013 · 9,221 accessesView PDFCite