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69 results for “threshold effect”
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Research ArticleOpen accessIn the abstractMoringa oleifera Leaves Extract Attenuates Neuropathic Pain Induced by Chronic Constriction InjuryJurairat Khongrum, Jintanaporn Wattanathorn, Supaporn Muchimapura et al.Problem statement: Neuropathic pain, a challenge of this decade, has been reported to be associated with the diversity conditions including diabetes. At present, there are no conventional analgesics that can effectively treat neuropathic pain with a satisfactory outcome. Due to the limitation of therapeutic efficacy, the searching for novel effective remedies in the management of neuropathic pain is required. Approach: … …American Journal of Applied Sciences, Vol. 9, Issue 8 · 18 Jun 2012 · 17,239 accessesView PDFCite
Research ArticleOpen accessIn the abstractIsing Model for Conductive Percolation in Electrically Conductive Adhesives by Considering Random Arrangement of Conducting ParticlesMora, Sahrul Saehana, Euis Sustini et al.Problem statement: Thermodynamically, particles in composites will arrange in a way such that the Helmholtz free energy is minimized. However, even a single structure has the lowest free energy, it should not ignore the probability of other structures having larger energies to occur, although at small chances. Approach: All possible arrangements of particles in the composites, therefore, must be taken … …American Journal of Applied Sciences, Vol. 9, Issue 7 · 30 May 2012 · 7,243 accessesView PDFCite
Research ArticleOpen accessIn the abstractAn Investigation of Compressed Natural Gas Engine for Nitrogen Oxides ReductionP. M. Diaz, B. Durga PrasadProblem statement: This study describes the use of Reformer Gas (RG) to alter NOx emission in a CNG-fueled HCCI engine. Comparison with diesel, natural gas has a very high octane number (≈120) and high auto-ignition temperature (≈600°C). Composed mostly of methane, natural gas is the only common fuel to manifest relatively pure, single-stage combustion. Other fuels have stronger low-temperature reaction … …American Journal of Applied Sciences, Vol. 9, Issue 7 · 15 May 2012 · 7,298 accessesView PDFCite
Research ArticleOpen accessIn the abstractAn Effective Queue Management Scheme for Data CommunicationSheela Thavasi, Nityanandam NatarajanProblem statement: The growth in the needs of Internet applications that transmit massive amount of data has led to the emergence of Effective Queue Management. Approach: Queues were used to smooth spikes in incoming packet rates and to allow the router sufficient time for packet processing. When the waiting time is less a better queue management is ensured thereby resulting … …Journal of Computer Science, Vol. 7, Issue 3 · 7 Mar 2011 · 7,758 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Policy-Based Admission Control Scheme for Voice over IP NetworksSami Alwakeel, Agung PrasetijoProblem statement: In Voice Over IP (VOIP) network, when more calls are admitted to the network, more voice packet traffic is created. Since bandwidth is always limited, this may result network congestion and/or may affect voice quality. Thus, we needed a mechanism for improving the Quality of Service (QoS) by controlling VOIP calls admission. Approach: Given a specified bandwidth and … …Journal of Computer Science, Vol. 5, Issue 11 · 30 Nov 2009 · 6,609 accessesView PDFCite
Research ArticleOpen accessIn the abstractElectromagnetic Assessment on Human Safety of Mobile Communication Base Stations at University of MacauK.H. Chiang, K.W. TamAssessment of the electromagnetic exposure due to the mobile communication base station at University of Macau is presented by two testing scenarios. The first scenario about 20 in-situ measurements and the maximum E-field strength was 2.46 V/m that well below the threshold and compliant to the safety guideline. The second scenario investigates on the distance effect of exposure due to … …American Journal of Applied Sciences, Vol. 5, Issue 10 · 31 Oct 2008 · 6,752 accessesView PDFCite
Research ArticleOpen accessIn the abstractPerformance Evaluation of Implementing Calls Prioritization with Different Queuing Disciplines in Mobile Wireless NetworksSalman A. AlQahtani, Nasser-Eddine RikliIt is known that efficient call handling mechanisms can greatly improve cellular network performance. One way to improve system performance of cellular network is to use efficient handover schemes when users changes between cells. This paper focuses on the performance evaluation of originating and handover calls prioritization using different queue size and discipline. Both calls will be queued until they … …Journal of Computer Science, Vol. 2, Issue 5 · 31 May 2006 · 6,470 accessesView PDFCite
Research ArticleOpen accessIn the abstractHistogram Matching Schemes for Image ThresholdingSalah AmeerThis paper proposes several novel schemes for image thresholding. The idea is simply to compare the original image histogram to that of the thresholded image. Element by element comparison (sum of absolute difference between the two histograms) is found to be of better performance than a single feature (area or size) comparison. The optimum threshold is the one producing the … …American Journal of Engineering and Applied Sciences, Vol. 12, Issue 3 · 9 Sep 2019 · 7,872 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffects of Temperature and pH on the Growth of Sargassum linearifolium and S. podacanthum in Potassium-Fortified Inland Saline WaterHa Thi Thu Bui, Trong Quoc Luu, Ravi FotedarThis study tested the effects of temperature and pH on water quality and the growth of Sargassum linearifolium and S. podacanthum in potassium-fortified Inland Saline Water (ISW) of Western Australia (WA), at two levels of pH (low pH range of 5.5-6.5 and ambient pH 7.0-8.2) and two levels of temperature (high temperature 26-27°C and ambient room temperature of 20-22°C) in … …American Journal of Applied Sciences, Vol. 15, Issue 3 · 6 Apr 2018 · 8,761 accessesView PDFCite
Research ArticleOpen accessIn the abstractApplication of Titanium Dioxide Self-Cleaning Coatings on Photovoltaic Modules for Soiling Related Losses ReductionAnnalisa Andaloro, Francesco FrontiniSeveral studies have assessed the influence of soiling deposition on Photovoltaic (PV) modules front-cover with regards to performance losses over time. In fact, soiling phenomena in PV systems are ascribed as responsible for medium and long-term yield reduction up to 16% over the first-year of outdoor exposure. Provided that PV technology is a low yield energy production source, maintaining module … …American Journal of Engineering and Applied Sciences, Vol. 10, Issue 1 · 5 Feb 2017 · 7,670 accessesView PDFCite