Research ArticleOpen accessIn the abstractMeasurement of Ground Level Ozone at Different LocationsYasmen A. Mustafa, Sinan J. MohammedProblem statement: Ground level ozone is the most important index substance of photochemical smog. Photochemical smog is now observed in many urban and industrial centers around the world and it has become a common phenomenon in many large cities. Ozone is a most harmful pollutant for humans, in addition it plays an important role in damaging vegetation and materials. Therefore … …American Journal of Environmental Sciences, Vol. 8, Issue 3 · 13 Jun 2012 · 7,402 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 abstractEvaluation and Beneficiation of Bentonitic Clays from Pindiga Formation in Benue TroughB. B.M. Dewu, I. I. Funtua, M. O.A. Oladipo et al.Problem statement: This study aimed at evaluating and beneficiating Bentonitic clays of Pindiga Formation from the upper Benue trough in northeastern Nigeria to meet the standard required for use in oil well drilling. This will reduce the dependence on imported Bentonite into the country, increase foreign exchange, improve the country’s economy and create employment opportunities. Approach: Three clay samples from … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 4 · 16 Jan 2012 · 8,566 accessesView PDFCite
Research ArticleOpen accessIn the abstractImpact of Dietary Polydextrose on Clinical Signs of Canine OsteoarthritisA. C. Beynen, D. H.J. Saris, L. De Jong et al.Problem statement: Osteoarthritis is an inflammatory joint disease associated with loss of cartilage matrix. There is suggestive evidence that the intake of polydextrose fiber has anti-inflammatory activity. It was reasoned that polydextrose may have a positive influence on canine osteoarthritis. Approach: A double-blind, placebo-controlled trial with privately owned dogs was carried out to assess the efficacy of STA-LITE® polydextrose in … …American Journal of Animal and Veterinary Sciences, Vol. 6, Issue 3 · 5 Oct 2011 · 9,052 accessesView PDFCite
Research ArticleOpen accessIn the abstractModeling of Piezoelectric Actuators Based on Bayesian Regularization Back Propagation Neural NetworkWen Wang, Zhu Zhu, Yanding Wei, Zichen ChenProblem statement: Piezoelectric actuator is a kind of key driving components for micropositioning stages, micropumps, micro valves, micro gripper and so on in the fields of micro/nano technology such as integrated circuit manufacturing, precision instruments, ultra precision fabrication, biomedical manipulation. It has lots of advantages including high stiffness, fast response times, less heat generating, low power consumption and large force … …Current Research in Nanotechnology, Vol. 1, Issue 1 · 15 Jun 2011 · 7,059 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Effect of Prickly Poppy Methyl Ester Blends on Ci Engine Performance and Emission CharacteristicsP. Lawrence, P. Koshy Mathews, B. DeepanrajProblem statement: The aim of this research was to investigate the effect of using Prickly poppy methyl ester as a fuel blend on Diesel engine (CI engine) performance and exhaust emission. Approach: Short-term engine performance tests were conducted to evaluate and compare the use of various diesel fuel supplements at blend rations of 60/40, 70/30, 80/20, 90/10, in a standard, … …American Journal of Environmental Sciences, Vol. 7, Issue 2 · 26 May 2011 · 7,136 accessesView PDFCite
Research ArticleOpen accessIn the abstractPeriodic Review Probabilistic Multi-Item Inventory System with Zero Lead Time under Constraint and Varying Holding CostNaglaa Hassan El-SodanyProblem statement: This study treats the probabilistic safety stock n-items inventory system having varying holding cost and zero lead-time subject to linear constraint. Approach: The expected total cost is composed of three components: the average purchase cost; the expected order cost and the expected holding cost. Results: The policy variables for this model are the number of periods N*r and … …Journal of Mathematics and Statistics, Vol. 7, Issue 1 · 29 Jan 2011 · 7,524 accessesView PDFCite
Research ArticleOpen accessIn the abstractAnalysis of Evapotranspiration Variability and Trends in the Arabian PeninsulaMohammad ElNesr, Abdulrahman Alazba, Majed Abu-ZreigProblem statement: Climate variability is receiving much attention recently because it has significant effects on water resources and therefore on the livelihood of society especially in water scarce countries such the Kingdom of Saudi Arabia (KSA). Approach: The aim of this study was to explore changes in the reference evapotranspiration (ETo) using data from 27 weather stations through years 1980-2008 … …American Journal of Environmental Sciences, Vol. 6, Issue 6 · 31 Dec 2010 · 8,005 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Upper Limit of Physiological Cardiac Hypertrophy in Elite Male AthletesMohammad Al Hnidawei, Majed MjallI, Ziad ZayedProblem statement: Establishment of upper normal limits of physiological hypertrophy in response to physical training is important in the differentiation of physiological and pathological left ventricular hypertrophy. The goal of our study was to investigate the normal upper limits of cardiac dimensions in elite athletes in Jordan in different types of sports (8 soccer players, 8 sprinters, 8 long distance … …American Journal of Applied Sciences, Vol. 7, Issue 10 · 31 Oct 2010 · 7,104 accessesView PDFCite
Research ArticleOpen accessIn the abstractInfluence of Oil Contamination on Geotechnical Properties of Basaltic Residual SoilZulfahmi Ali Rahman, Umar Hamzah, Mohd. Raihan Taha et al.Problem statement: Oil contamination due to accidental spillage or leakage brings hefty damage to the environments. It percolates steadily into subsurface environments and contaminates the soil and water system. Hydrocarbon contamination has not just affected the quality of the soil but will also alter the physical properties of oil-contaminated soil. Approach: This study presented the geotechnical properties of oil-contaminated soils … …American Journal of Applied Sciences, Vol. 7, Issue 7 · 31 Jul 2010 · 10,265 accessesView PDFCite