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539 articles for “Nature”
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Research ArticleOpen accessIn the abstractA Hybrid Fuzzy Neural Networks for the Detection of Tumors in Medical ImagesN. Benamrane, A. Freville, R. NekkacheIn this study, we propose an approach to detect suspect zones or tumors in medical images. The idea is to define with precision the existence of different kinds of lesions using a hybrid system, which combines Fuzzy Neural Networks and Expert System. After applying a method of image segmentation to extract regions (by region growing algorithm or by mathematical morphology … …American Journal of Applied Sciences, Vol. 2, Issue 4 · 30 Apr 2005 · 6,873 accessesView PDFCite
Research ArticleOpen accessIn the abstractWhat Role Does Knowledge of Wildlife Play in Providing Support for Species' Conservation?Clevo Wilson, Clem TisdellConservation of biodiversity is a complex issue. Apart from the creation of nature reserves, there is a plethora of other factors that are part of this complex web. One such factor is the public knowledge of species. Since public funding is imperative for the conservation of species and creation of reserves for them it is important to determine the public's … …Journal of Social Sciences, Vol. 1, Issue 1 · 31 Mar 2005 · 7,351 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Study on Suction-rainfall Response of a Cut Slope in Unsaturated Residual Soil Using a Field Rain SimulatorBujang B.K. Huat, Faisal Hj. Ali, S. MariappanThis research describes the design and construction of an artificial rain simulator system and the results obtained with regards to suction-rainfall response of a cut slope in unsaturated residual soil of weathered sandstone of various weathering grades. From the field measurements, the shallow tensiometers are found to record an immediate initial increase in matric suction within the first 20 min … …American Journal of Environmental Sciences, Vol. 1, Issue 1 · 31 Mar 2005 · 7,271 accessesView PDFCite
Research ArticleOpen accessIn the abstractSynthesis of Sodium Salt of 3,6-Dibutanoic-1,2,4,5-TetroxaneEduardo A. Castro, Soledad Bustillo, Jorge M. Romero et al.We report the experimental preparation of the sodium salt of 3,6-dibutanoic-1,2,4,5- tetroxane by addition of saturate solution of sodium hydroxide to the 3,6-dibutanoic-1,2,4,5-tetroxane, synthesized following the method modified by Jorge et al. The UV and IR spectra were studied from the experimental standpoint. A rather complete vibrational assignment was performed and the nature of the electronic transitions was discussed in … …American Journal of Biochemistry and Biotechnology, Vol. 1, Issue 1 · 31 Mar 2005 · 6,638 accessesView PDFCite
Research ArticleOpen accessIn the abstractEconomic Impact of E. Coli O111 Outbreak in 1995 in AustraliaShahjahan Ali Khandaker, Mohammad AlauddinIncreased incidence of food-borne illnesses is a matter of significant concern for the community and the government alike. An outbreak of E. coli O111 that occurred in Australia in 1995 affected 200 people of whom 22 developed HUS while one person died. This study analyses the economic costs of the outbreak. The total cost of the outbreak is estimated to … …American Journal of Applied Sciences, Vol. 1, Issue 4 · 31 Dec 2004 · 7,553 accessesView PDFCite
Research ArticleOpen accessIn the abstractFourier Series With Spectral and Wave Number DecompositionJung-Hua Chou, Raylin WuIn this study, the generic nature of Fourier series is pointed out and the requirement of dimensional homogeneity for physical systems is emphasized. By suitable application of non-dimensional variables, both time versus frequency and spatial versus wave number decomposition of Fourier series are included properly to put the physics involved into the right physical meanings. Furthermore, the high frequency noise … …American Journal of Applied Sciences, Vol. 1, Issue 4 · 31 Dec 2004 · 7,249 accessesView PDFCite
Research ArticleOpen accessIn the abstractHouse Price Prediction: Hedonic Price Model vs. Artificial Neural NetworkVisit Limsombunchai, Christopher Gan, Minsoo LeeThe objective of this study is to empirically compare the predictive power of the hedonic model with an artificial neural network model for house price prediction. A sample of 200 houses in Christchurch, New Zealand is randomly selected from the Harcourt website. Factors including house size, house age, house type, number of bedrooms, number of bathrooms, number of garages, amenities … …American Journal of Applied Sciences, Vol. 1, Issue 3 · 30 Sep 2004 · 9,603 accessesView PDFCite
Review ArticleOpen accessIn the abstractA Theoretical Analysis of Chinese IngratiationKwok Kuen TsangLiterature about ingratiation has mainly focused on non-Chinese societies with a Western viewpoint, which regards ingratiation as an attraction-seeking behavior. However, the viewpoint may not reflect accurately the meanings of ingratiation in Chinese societies, because ingratiation is a culture-specific behavior. Therefore, there is a limited understanding about the natures, motives, consequences and patterns of Chinese ingratiation. Since Chinese ingratiation is … …Journal of Social Sciences, Vol. 12, Issue 1 · 2 Nov 2015 · 7,745 accessesView PDFCite
Research ArticleOpen accessIn the abstractAn Application of Multivariate Analysis in Modeling Students Placement in Nigerian Higher InstitutionsAli Idrisa Gambo, Mohammed Waziri YusufProblem statement: Students’ placement into courses of study in most (if not all) tertiary institutions in Nigeria had long been a problematic exercise. Most students get placed into courses of study they are ill suited to and then for which they are ill prepared. Approach: This research focused on the polytechnic, taking the newest federal polytechnic as a case study, … …Journal of Mathematics and Statistics, Vol. 6, Issue 3 · 30 Sep 2010 · 7,289 accessesView PDFCite