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74 results for “limit analysis”
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Research ArticleOpen accessIn the abstractHeavy Metals Content of the Grassland Soil around Katima Mulilo Municipal Solid Wastes Dumpsite, NamibiaJ. Abah, P. Mashebe, S.A. OnjefuThe effects of open wastes dumpsites on the immediate vicinity continue to generate safety concern. This study determined the levels of lead, chromium, cadmium, arsenic, nickel, cobalt, copper and manganese in soil samples collected at two depths: 0-15 and 15-30 cm within and around Katima Mulilo municipal solid wastes dumpsite and a control site. The samples were digested according to … …American Journal of Environmental Sciences, Vol. 13, Issue 2 · 18 Mar 2017 · 7,481 accessesView PDFCite
Research ArticleOpen accessIn the abstractOccupational Safety and Health in Tunnelling in Rocks Formations Potentially Containing Asbestos: Good Practices for Risk Assessment and ManagementDavide Labagnara, Mario Patrucco, Achille SorliniIn tunnelling operations, Occupational Safety and Health (OS&H) and Environmental Protection of the areas close to the tunnel portal become even more critical in case of rock formations potentially containing asbestos, quartz, radioactive elements, etc. In order to limit the workers’ exposure and the environmental impact becomes in these cases of paramount importance to preliminarily analyze and quantify the possible … …American Journal of Applied Sciences, Vol. 13, Issue 5 · 26 May 2016 · 7,646 accessesView PDFCite
EditorialOpen accessIn the abstractVisceral Pain: Basic Research Concepts and Therapeutic InterventionsVictor V. ChabanThe accumulation of nociceptive diseases that limit normal body functions is a major risk factor for a disability, and visceral pain is one of the most prevalent human health problems. Additionally, many pain-associated diseases are accompanied by the concomitant decline in cognitive and motor performance. The complex interplay and balance between diverse signal transduction mediators, genetic background and environmental factors … …International Journal of Research in Nursing, Vol. 6, Issue 2 · 26 Aug 2015 · 7,148 accessesView PDFCite
Research ArticleOpen accessIn the abstractCadmium Exposure Via Food Crops: A Case Study of Intensive Farming AreaRaagheni Munisamy, Sharifah Norkhadijah Syed Ismail, Sarva Mangala PraveenaCadmium (Cd) is ubiquitous in environment and may enter food chain through intense application of phosphate fertilizers to agricultural crops. A cross-sectional study was conducted at Kuala Terla and Blue Valley farming villages, Cameron Highlands to determine cadmium concentration in vegetables and soil and to determine the health risks among respondents. A total of 87 respondents were selected based on … …American Journal of Applied Sciences, Vol. 10, Issue 10 · 6 Sep 2013 · 8,525 accessesView PDFCite
Research ArticleOpen accessIn the abstractStability of Rock Pillars with Singular and Persistent DiscontinuitiesPierpaolo OresteProblem statement: The strength of rock pillars in the presence of single, persistent, natural discontinuities can seriously be compromised and lead the pillar to collapse because of instability along the discontinuity itself. Approach: A specific analysis method for this kind of problem has been set up in this study to evaluate the stability of pillars and to determine the dimension … …American Journal of Applied Sciences, Vol. 9, Issue 9 · 14 Jul 2012 · 6,751 accessesView PDFCite
Research ArticleOpen accessIn the abstractToxicity of Industrial Wastewater Acting Singly or in Joint-Ratios on Clarias gariepinusAina Olubukola Adeogun, Azubuike Victor ChukwukaFreshwater ecosystems were the most vulnerable to pollution due to their easy accessibility for disposal of wastewaters leading to deterioration of water quality. Ona river, Ibadan, Nigeria is part of a dense network of inland watercourses emptying into the Lagos lagoon and receives industrial effluents from a food and beverage industry. The single and joint-action toxicity of effluents from these … …American Journal of Environmental Sciences, Vol. 8, Issue 4 · 18 Jun 2012 · 7,024 accessesView PDFCite
Research ArticleOpen accessIn the abstractDetermination of Pesticide Residues in Banana by Using High Performance Liquid Chromatography and Gas Chromatography-Mass SpectrometryR. Paranthaman, A. Sudha, S. KumaravelProblem statement: The occurrence of endosulfan, carbendazim, chloropyripos in 10 banana samples in southern area of Tamilnadu, India (hill banana, karpuravalli, monthan, nendran, ney poovan, pachanadan, poovan, rasthali, red banana, robusta) was investigated. Approach: In 7 samples, Carbendazim was found at concentrations ranging from 0.002-0.11 mg kg-1. In three samples, carbendazim was not found, whereas endosulfan, chloropyripos was not detected … …American Journal of Biochemistry and Biotechnology, Vol. 8, Issue 1 · 1 Mar 2012 · 9,544 accessesView PDFCite
Research ArticleOpen accessIn the abstractSeasonal ARIMA for Forecasting Air Pollution Index: A Case StudyMuhammad Hisyam Lee, Nur Haizum Abd. Rahman, Suhartono et al.Problem statement: Both developed and developing countries are the major reason that affects the world environment quality. In that case, without limit or warning, this pollution may affect human health, agricultural, forest species and ecosystems. Therefore, the aim of this study was to determine the monthly and seasonal variations of Air Pollution Index (API) at all monitoring stations in Johor. … …American Journal of Applied Sciences, Vol. 9, Issue 4 · 14 Feb 2012 · 10,326 accessesView PDFCite
Research ArticleOpen accessIn the abstractDetermination of Lead in Human Teeth by Hydride Generation Atomic Absorption SpectrometryHassan T. AbdulsahibProblem statement: The determination of lead in human teeth at concentration levels of μg/ml is proposed using Hydride Generation Atomic Absorption Spectrometry (HG-AAS). To do this, 2% (wv) lanthanum chloride solution was employed as matrix modifying reagent to increase sensitivity and remove matrix interferences. Approach: About 100 μL of sample and 100 μL of 3.0% (m/v) NaBH4 are simultaneously injected … …American Journal of Environmental Sciences, Vol. 7, Issue 5 · 31 Oct 2011 · 7,133 accessesView PDFCite
Research ArticleOpen accessIn the abstractDrug Susceptibility and Molecular Epidemiology of Pseudomonas aeruginosa Isolated in a Burn UnitHassan Salimi, Parviz Owlia, Bagher Yakhchali, Abdolaziz Rastegar LariProblem statement: Pseudomonas aeruginosa is an opportunistic pathogen that still develops life-threatening infections in patients with immunological system defects, like burn patients, especially in developing countries. Since this bacterium is naturally resistant to many drugs and is able to get resistance to all effective antibiotics, the infection with this organism is particularly problematic condition for patients. This study was design … …American Journal of Infectious Diseases, Vol. 5, Issue 4 · 31 Dec 2009 · 6,992 accessesView PDFCite