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Research ArticleOpen accessIn the abstractUltrasonic Study and Physical Properties of Borotellurite GlassesW.M. Daud, H. Zainul, Z.A. Talib et al.A series of glasses (TeO2)x (B2O3)1-x with x = 0.6, 0.63, 0.65, 0.70, 0.73, 0.75, 0.78 and 0.80 were synthesized by rapid quenching. Longitudinal and shear ultrasonic velocity were measured at room temperature and at 5 MHz frequency. Elastic properties, Poisson’s ratio and micro hardness have been calculated from the measured density and ultrasonic velocity at room temperature. Estimated parameters … …American Journal of Applied Sciences, Vol. 2, Issue 11 · 30 Nov 2005 · 7,910 accessesView PDFCite
Research ArticleOpen accessIn the abstractPeriodontal Disease as a Risk Factor for Coronary Artery DiseaseGholamali Najafi-Parizi, Ahmad LoriThere are many risk factors for coronary artery disease (CAD) and periodontal disease (PDD) is a controversial risk factor. The aim of this study was to show the association between CAD and PDD. A case-control study was designed. Sixty one patients that CAD was confirm in them by coronary angiography compared with sixty one patients with normal angiography. PDD was … …American Journal of Applied Sciences, Vol. 2, Issue 11 · 30 Nov 2005 · 6,916 accessesView PDFCite
Research ArticleOpen accessIn the abstractModeling Traffic Flow and Management at Un-signalized, Signalized and Roundabout Road IntersectionsR. Kakooza, L.S. Luboobi, J.Y.T. MugishaTraffic congestion continues to hinder economic and social development and also has a negative impact on the environment. A simple mathematical model is used to analyze the different types of road intersections in terms of their Performance in relation to managing traffic congestion and to establish the condition for stability of the road intersections after sufficiently longer periods of time … …Journal of Mathematics and Statistics, Vol. 1, Issue 3 · 30 Sep 2005 · 6,611 accessesView PDFCite
Research ArticleOpen accessIn the abstractHybridization of Neural Learning Algorithms Using Evolutionary and Discrete Gradient ApproachesRanadhir Ghosh, John Yearwood, Moumita Ghosh, Adil BagirovIn this study we investigated a hybrid model based on the Discrete Gradient method and an evolutionary strategy for determining the weights in a feed forward artificial neural network. Also we discuss different variants for hybrid models using the Discrete Gradient method and an evolutionary strategy for determining the weights in a feed forward artificial neural network. The Discrete Gradient … …Journal of Computer Science, Vol. 1, Issue 3 · 30 Sep 2005 · 6,587 accessesView PDFCite
Research ArticleOpen accessIn the abstractTowards a Scalable File System on Computer Clusters Using DeclusteringVu Anh Nguyen, Samuel Pierre, Dougoukolo KonaréThis study addresses the scalability issues involving file systems as critical components of computer clusters, especially for commercial applications. Given that wide striping is an effective means of achieving scalability as it warrants good load balancing and allows node cooperation, we choose to implement a new data distribution scheme in order to achieve the scalability of computer clusters. We suggest … …Journal of Computer Science, Vol. 1, Issue 3 · 30 Sep 2005 · 6,516 accessesView PDFCite
Research ArticleOpen accessIn the abstractElectro-diagnostic and Clinical Changes of Peripheral Neuropathies in Bam Earthquake VictimsNaser Zangiabadi, Mohammad Naeem AhrariTo examine and diagnose patients who injured in Bam earthquake at 5:26:52 Am (local time) on Friday, December 26, 2003 with traumatic peripheral neuropathies then treat and follow up. A longitudinal study was deigned. 159 patients with traumatic neuropathies were selected at the first stage of study. After six months follow up only 39 patients satisfied to enter the study. … …American Journal of Environmental Sciences, Vol. 1, Issue 3 · 30 Sep 2005 · 6,712 accessesView PDFCite
Research ArticleOpen accessIn the abstractIndigenous Methods in Preserving Bush Mango Kernels in CameroonZac Tchoundjeu, Alain Rene Atangana, Ann DegrandeTraditional practices for preserving Irvingia wombolu and Irvingia gabonensis (bush mango) kernels were assessed in a survey covering twelve villages (Dongo, Bouno, Gribi [East], Elig-Nkouma, Nkom I, Ngoumou [Centre], Bidjap, Nko’ovos, Ondodo [South], Besong-Abang, Ossing and Kembong [Southwest]), in the humid lowland forest zone of Cameroon. All the interviewed households that own trees of species were found to preserve kernels … …American Journal of Applied Sciences, Vol. 2, Issue 9 · 30 Sep 2005 · 7,768 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Case-Control Study of Effect of Opium Addiction on Myocardial InfarctionBehzad Azimzade-Sarwar, Gholamreza Yousefzade, Shahin NarooeyIschemic Heart Disease (IHD) and Myocardial Infarction (MI) are one of the most important disease which cause mortality and morbidity. Opioid peptides and exogenous opioid such as morphine are known to exert an important cardiovascular effect. To study effect of opium addiction to incidence of MI. A Case-Control study was designed in Kerman university. 150 patients with MI was admitted … …American Journal of Applied Sciences, Vol. 2, Issue 7 · 31 Jul 2005 · 7,208 accessesView PDFCite
Research ArticleOpen accessIn the abstractSearching of Main Cause Leading to Severe Influenza A Virus Mutations and Consequently to Influenza Pandemics/EpidemicsGuang Wu, Shaomin YanThe unpredictable mutations in the proteins from influenza A virus lead to the great difficulty in prevention of possible outbreak of bird flu and pandemic/epidemic of influenza. This unpredictability is due to the fact that we know little about the causes that lead to the mutations. In three of our recent studies on the hemagglutinins from influenza A virus, we … …American Journal of Infectious Diseases, Vol. 1, Issue 2 · 30 Jun 2005 · 9,970 accessesView PDFCite
Research ArticleOpen accessIn the abstractReplacement Heifer Selection in A Beef Cattle HerdAkin Pala, Roger McCrawThe relationship between a heifer's weaning weight and her fertility and weaning weight of her calves was studied. Also investigated was the effect of dam amount of fat (DAF=dam weaning weight/weaning height) on heifers' ability to breed and rebreed. This is similar to Body Mass Index (BMI) calculated for humans. The relationship of dam's average daily gain from birth to … …American Journal of Applied Sciences, Vol. 2, Issue 2 · 28 Feb 2005 · 6,814 accessesView PDFCite