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262 results for “significant changes”

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Research ArticleOpen accessIn the abstractAdjustment of Peak Streamflows of a Tropical River for UrbanizationAta Amini, Thamer Mohammad Ali, Abdul Halim B Ghazali, Bujang Kim HuatPeak runoff from a catchment is influenced by many factors such as intensity and duration of rainfall, catchment topography, catchment shape, land use and other variables. For a particular catchment, landuse change and other human activities will alter the characteristic of catchment hydrograph. Problem statement: As a result of urbanization, the magnitude of floods occurring in a catchment increased. It … …American Journal of Environmental Sciences, Vol. 5, Issue 3 · 30 Jun 2009 · 7,550 accessesView PDFCite
Research ArticleOpen accessIn the abstractPush Vs Pull: Factors Influence Student RetentionMatthew Leone, Robert G. TianProblem statement: Student retention becomes one of the most significant issues that administrators of colleges and universities must deal with in today’s highly competitive market. Approach: In fact retaining a student is fundamental to the ability of an institution to carry out its mission. A high rate of attrition is not only a fiscal problem for schools, but a symbolic … …American Journal of Economics and Business Administration, Vol. 1, Issue 2 · 30 Jun 2009 · 8,344 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Methyl Cellulose Coating and Pre-Treatment on Oil Uptake, Moisture Retention and Physical Properties of Deep-Fat Fried Starchy Dough SystemJihad M. Quasem, Ayman Suliman Mazahreh, Khaled Abu-Alruz et al.Problem statement: The influence of edible methyl cellulose coating and blanching pre-treatment in reducing oil uptake and moisture loss during frying of starchy dough system was investigated. Approach: Potato dough cylinder of 60 mm length and 22 mm diameter was used as a model food system. Samples were coated with 0.5% methyl cellulose film-forming solution and uncoated samples were used … …American Journal of Agricultural and Biological Sciences, Vol. 4, Issue 2 · 30 Jun 2009 · 8,467 accessesView PDFCite
Research ArticleOpen accessIn the abstractChilling Injury in Mamey Sapote Fruit (Pouteria sapota): Biochemical and Physiological ResponsesGuillermo O. Pérez-Tello, Miguel Ángel Martínez-Téllez, Irasema Vargas-Arispuro, Gustavo A. González-AguilarProblem statement: Cold storage is needed in order to delay senescence and achieve a longer commercial life of tropical fruits like mamey sapote (Pouteria sapota), therefore, the physiological and biochemical responses of this fruit to cold storage were evaluated. Approach: Samples from different storage temperature (20, 10 and 2°C) were taken at five-day intervals and Chilling Injury Index (CII), decay … …American Journal of Agricultural and Biological Sciences, Vol. 4, Issue 2 · 30 Jun 2009 · 9,171 accessesView PDFCite
Research ArticleOpen accessIn the abstractFactor Influences Selection of Islamic Banking: A Study on Malaysian Customer PreferencesAhasanul Haque, Jamil Osman, Ahmad Zaki Hj IsmailThe emergence of strong Islamic movements in last three decades has generated a renewed interest in Islamic economics, especially in Islamic interest free banking. Currently Islamic bank strategically offering high quality products and services to satisfy their customers due to the strong competition, customer expectation for high quality services and rapidly changes of technology. The purpose of this study is … …American Journal of Applied Sciences, Vol. 6, Issue 5 · 31 May 2009 · 12,200 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Adding Dexmedetomidine versus Fentanyl to Intrathecal Bupivacaine on Spinal Block Characteristics in Gynecological Procedures: A Double Blind Controlled StudySubhi M. Al-Ghanem, Islam M. Massad, Mahmoud M. Al-Mustafa et al.Problem statement: The purpose of this study was to evaluate the onset and duration of sensory and motor block as well as operative analgesia and adverse effects of Dex Metedo Midine (DXM) or fentanyl given intrathecally with plain 0.5% bupivacaine for spinal anesthesia. Approach: seventy six patients classified as American Society of Anesthesiologists (ASA) status I, II and III scheduled … …American Journal of Applied Sciences, Vol. 6, Issue 5 · 31 May 2009 · 14,177 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Torsion on Externally Prestressed Segmental Concrete Bridge with Shear KeyM. A. Algorafi, A. A.A. Ali, M. S. Jaafar et al.Externally Prestressed Segmental (EPS) concrete box sections are widely used in the construction of bridge structures today. EPS concept has become an attractive tool for rehabilitation and strengthening of existing bridges which have insufficient strength and/or excessive deflection and cracking. Problem statement: EPS bridges are affected by combined stresses (bending, shear, normal, and torsional) at the joint interface between the … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 1 · 31 Mar 2009 · 8,433 accessesView PDFCite
Research ArticleOpen accessIn the abstractVirtual Mobility to Improve Cooperation in Mobile Ad hoc NetworksA. Baaziz, S. PierreWe study the impact of mobility on the level of cooperation between mobile nodes in a mobile ad hoc network. In a mobile ad hoc network, if the nodes are static or have a reduced mobility and if some nodes adopt a selfish behaviour, the performance of the network is affected. This is because the same nodes that are relaying … …Journal of Computer Science, Vol. 4, Issue 12 · 31 Dec 2008 · 6,961 accessesView PDFCite
Research ArticleOpen accessIn the abstractSimulation of Wind Field in Tehran Using Hybrid Diagnostic and Prognostic ModelsM. Shafie-Pour, Y. Rashidi, M. ArdestaniThis article concentrates on Wind Field Simulation in a mega city such as Tehran which is home to nearly 10 million inhabitants. The necessity of having a comprehensive knowledge about the wind field in a certain zone is significant for different reasons; the most important of all would be surveying on the emission and dispersion of pollutants. The wind models … …American Journal of Environmental Sciences, Vol. 4, Issue 5 · 31 Oct 2008 · 6,690 accessesView PDFCite
Research ArticleOpen accessIn the abstractRecent Trends in Ozone and Particle Concentrations in the Sydney (Australia) AirshedMerched Azzi, Hiep DucAn overview is presented of changes in ground level ozone and atmospheric fine particles determined using ambient monitoring data collected at selected locations in Sydney, Australia. After removing seasonally, auto-regressive and moving average dependence from the selected time series, the trend of a selected series was modelled using the fractional long-term dependent component. The selected technique was able to detect … …American Journal of Environmental Sciences, Vol. 4, Issue 5 · 31 Oct 2008 · 6,683 accessesView PDFCite