70 results for “source assessment”

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Research ArticleOpen accessIn the abstractRare Earth Elements and Geochemical Partitioning of Zn and Pb in Sediments of an Urban RiverShaila Sharmin, H. M. Zakir, Naotatsu ShikazonoProblem statement: Urban river sediment pollution due to Zn and Pb is a serious problem in all over the world. The source and level of Zn and Pb pollution in sediments of Nomi River of Ota Ward, one of the most industrialized areas in Tokyo, Japan is still lacking. Approach: The present study focused on Rare Earth Elements (REEs) and … …American Journal of Environmental Sciences, Vol. 6, Issue 5 · 31 Oct 2010 · 6,966 accessesView PDF Cite

Research ArticleOpen accessIn the abstractImpact of Earthquake Demolition Debris on the Quality of GroundwaterM. S. Benmenni, K. BenrachediProblem statement: Debris from construction or demolition/deconstruction processes have no significant impact on the environment as they are res-usable and inert. This has been also long admitted for solid waste generated by the demolition of damaged cities following violent earthquakes. Approach: This study is a contribution to the assessment of actual impact on the quality of groundwater of buried demolition … …American Journal of Applied Sciences, Vol. 7, Issue 4 · 30 Apr 2010 · 7,236 accessesView PDF Cite

Research ArticleOpen accessIn the abstractAir Quality Measurement at the Solid Waste Disposal of Matuail Landfill Site at Dhaka, BangladeshMd. Faruque Hossain, ASM Maksud Kamal, Abdul Halim Farhad Sikder, Zakia ParveenAn investigation was conducted to assess the air quality impact and possible health risk of solid waste disposal on surrounding environment of Matuail landfill site in Dhaka city. Three different locations were selected for soil and plant samples. Leachate samples were collected from active dumping area and fish samples from treated leachate pond. Seven different locations were selected for air … …American Journal of Environmental Sciences, Vol. 15, Issue 5 · 31 Oct 2019 · 8,348 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordAutomobile Spray Paint Dust and Human Health: A Multi-Site Environmental Health Risk Assessment of Carcinogenic and Non-Carcinogenic Effects in South-Eastern NigeriaAdindu Ihuoma Blossom, Ubouh Emmanuel Attah, Obasi Kalu Omokorie, Raimi Morufu OlalekanInformal automobile spray-painting operations release metal-laden dust, posing occupational and residential health risks. Seasonal variations, receptor-specific exposure, and metal composition influence non-carcinogenic and carcinogenic hazards, yet data from South-Eastern Nigeria remain limited. This study quantified heavy-metal exposure in automobile spray-paint dust, assessed receptor-specific non-carcinogenic (HI) and carcinogenic (ILCR) risks, examined seasonal and metal-specific trends, and evaluated source attribution to inform … …American Journal of Environmental Sciences, Vol. 22, Issue 1 · 22 Jun 2026 · 1,555 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordStructural Integrity Assessment of High-Pressure Vessels for Hydrogen Storage Using Finite Element AnalysisPinar Mert Cuce, Erdem Cuce et al.Hydrogen is not only present in the structure of most substances but also attracts attention as a clean energy source. The fact that hydrogen only releases water through combustion and possesses high energy potential provides a significant advantage as an alternative energy source. This paper presents a numerical investigation into the stress and deformation behaviour of high-pressure vessels used in … …Energy Research Journal, Vol. 15, Issue 1 · 13 Jun 2026 · 1,498 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordAn Open-Source Online Examination System to Meet the Integrity Demands of E-LearningAbdul Wahab MuzaffarThe rise of online learning platforms and the growing demand for remote education emphasize the importance of online exam-proctoring tools. Online proctoring tools presented in the literature require high internet speed and specialized hardware support, posing accessibility challenges for individuals in developing countries. This study aims to develop a solution that relies on something other than high internet speed and … …Journal of Computer Science, Vol. 20, Issue 6 · 3 Apr 2024 · 7,391 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordAssessment of Mothers Knowledge Regarding the Developmental Milestone among Children Under Two Years in IraqLujain Anwar Alkhazrajy, Enas Rifaat Salah AldeenAssessing a child's growth through the observation of his/her developmental milestone requires a team effort, in which family plays an important role. To assess the knowledge of the Iraqi mothers regarding their children’s developmental milestones of their children and to find out if there was any association between this knowledge and certain demographic variables. A cross sectional study, that extended … …American Journal of Applied Sciences, Vol. 14, Issue 9 · 28 Sep 2017 · 8,831 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordAssessment of Efficient Thermal Conversion Technologies and HHV from Compositional Characteristics of Cassava Peelings, Plantain Peelings and Corn CobsSamomssa Inna, Oumarou Amadou Amadou, Jiokap Nono Yvette et al.The understanding of compositional characteristics permits to predict the efficient thermal conversion technologies and Higher Heating Value (HHV). Although HHV can be determined directly, many models have been proposed for HHV prediction. They are based on proximate, ultimate, and structural analysis and require much data collected. The present work assesses to predict efficient thermal conversion technologies and HHV of the … …Energy Research Journal, Vol. 13, Issue 1 · 27 Dec 2022 · 10,157 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordAssessment of Genetic Diversity among Elite Breeding Lines of Arabica Coffee (Coffea arabica L.) in Ethiopia using Simple Sequence Repeats MarkersTadesse Benti, Endale Gebre, Kassahun Tesfaye et al.Despite being the center of origin and genetic diversity, there has beenlimited application of molecular markers in arabica coffee breeding inEthiopia. In this study, the extent of genetic diversity and relationships of48 elite breeding lines of arabica coffee from different geographical originswere evaluated using 14 SSR markers. The SSR markers amplified 105 alleles ofwhich 104 are polymorphic with an average … …American Journal of Biochemistry and Biotechnology, Vol. 18, Issue 4 · 25 Nov 2022 · 6,009 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordAssessment of Heavy Metals Enrichment and Sources in Different Functional Areas of Sixian CityHaimin Su, Dongsheng Xu, Gao Yang, Peng SunTo investigate soil heavy metal pollution in different functional areas of Sixian City, 48 soil samples were collected in residential, industrial, green, and commercial areas. The concentrations of V, Cr, Zn, Cu, Pb, and as were determined by the geoaccumulation index method and the enrichment factor method, and their pollution levels were evaluated. At the same time, the possible sources … …American Journal of Biochemistry and Biotechnology, Vol. 18, Issue 3 · 1 Aug 2022 · 5,546 accessesView PDF Cite