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121 results for “Gamma”
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Research ArticleOpen accessIn the abstractOrganochlorine Pesticide Residues in Fish Samples from Lagos Lagoon, NigeriaDavid Adeyemi, Grace Ukpo, Chimezie Anyakora, JohnPaul UnyimaduThe organochlorine pesticide (OCPs) residues were measured in three species of fish Tilapia zilli (Red belly Tilapia), Ethmalosa fimbriata (Bonga Shad) and Chrysichthys nigrodigitatus (Catfish). These fish species are a significant part of the diet of residents of Lagos Nigeria. The organochlorine pesticides analyzed include DDT(pp'1,1,1-trichloro-2,2-bis-(4-chlorophenyl) ethane), DDD, DDE (pp 1,1-dichloro-2, 2-bis-(4-chlorophenyl) ethylene, HCH (gamma 1,2,3,4,5,6-hexachlorocylohexane, HCB (hexachlorobenzene),Dieldrin (1,2,3,4,10,10-hexachloro-6,7-epoxy-1,4,4a,5,6,7,8,8a octahydro-1,4,5,8 … …American Journal of Environmental Sciences, Vol. 4, Issue 6 · 31 Dec 2008 · 9,904 accessesView PDFCite
Research ArticleOpen accessIn the abstractOn Bayes Estimation of the First Order Moving Average ModelMahmoud M. Smadi, Ahmed A. Abu-TalebIn this work, Bayes estimation of the first order moving average model (MA(1)) were studied. Theoretical justification of the Bayes estimates based on the estimated innovations is given. The convergence of Bayes and maximum likelihood estimates are examined via simulation using different parameter values. Also, Bayes estimates were determined when the model is invertible using the estimated innovations. For long … …Journal of Mathematics and Statistics, Vol. 2, Issue 3 · 30 Sep 2006 · 6,522 accessesView PDFCite
Research ArticleOpen accessIn the abstractAnalysis of Tropospheric Scintillation Intensity on Earth to Space in MalaysiaMandeep Singh Jit Singh, Syed Idris Syed Hassan, Mohd Fadzil Ain et al.This paper presents the results of a study on tropospheric scintillation on satellite link that has been performed at University Sains Malaysia (USM) to obtain statistics of scintillation from the 12.255 GHz Superbird C satellite with an elevation angle of 40.10. The objective of this analysis was to determine whether the long-term scintillation follows the log normal or gamma distribution. … …American Journal of Applied Sciences, Vol. 3, Issue 9 · 30 Sep 2006 · 7,266 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffects of Two Different Dose Levels of Irradiation on Thioredoxin Reductase in the Kidney of Guinea PigsNedret Kılıc, Yildiz Guney, Ayse Hıcsonmez et al.It is aimed to examine the state of the oxidant-antioxidant system in the liver of guinea pig caused by ionizing radiation at two different dose levels in the early period. The research was carried out on guinea pigs irradiated with the doses of 8 Gy (group 2) or 15 Gy (group 3) (single dose/whole body) in comparison with control group … …American Journal of Immunology, Vol. 2, Issue 2 · 30 Jun 2006 · 6,786 accessesView PDFCite
Research ArticleOpen accessIn the abstractPreparation of Cellulosic Membrane Containing Pyrrolidone Moiety Via Radiation Induced Grafting and its Application in Wastewater TreatmentA. S. Aly, H. H. Sokker, A. Hashem, A. HebeishRadiation induced grafting of vinyl pyrrolidone onto cellulose wood pulp was carried out in heterogeneous and homogenous media using gamma radiation. Cellulose wood pulp was used in different forms; a) in a homogenous solution by dissolving the wood pulp in N,N- dimethylacetamide/Lithium chloride (DMAc/LiCl) mixture , b) in a membrane form, by precipitating the cellulose solution in water and c) … …American Journal of Applied Sciences, Vol. 2, Issue 2 · 28 Feb 2005 · 7,451 accessesView PDFCite
Research ArticleOpen accessIn the abstractBacterial Diversity Change after Soil Fumigation and its Effect on the Population of Root-Knot NematodeMin Shan, Lihong Liu, Jing Chen et al.In order to explore the effects of soil fumigation on its bacterial diversity and root-knot nematode populations, the greenhouse tomato soil with root-knot nematode disease was fumigated during the summer idle period. This experiment used the high-efficiency organic sulfur soil fumigation treatment "Wofengkang"300 kg/hm2 to fumigate on the greenhouse tomato soil with a root-knot nematode incidence rate of 64.37% and … …American Journal of Biochemistry and Biotechnology, Vol. 18, Issue 1 · 2 Mar 2022 · 5,976 accessesView PDFCite
Research ArticleOpen accessIn the abstractFeature Extraction Method for Improving Speech Recognition in Noisy EnvironmentsYoussef Zouhir, Kaïs OuniThe paper presents a feature extraction method, named as Normalized Gammachirp Cepstral Coefficients (NGCC) that incorporates the properties of the peripheral auditory system to improve robustness in noisy speech recognition. The proposed method is based on a second order low-pass filter and normalized gammachirp filterbank to emulate the mechanisms performed in the outer/middle ear and cochlea. The speech recognition performance … …Journal of Computer Science, Vol. 12, Issue 2 · 25 Mar 2016 · 7,866 accessesView PDFCite
Research ArticleOpen accessIn the abstractChanges in the Human Skin Microbiome Over One Year’s TimeRichard W. Hyman, Farbod Babrzadeh, Curtis Palm et al.Human skin comprises a large number of distinguishable ecological niches. To describe fully the human skin microbiome, it will be necessary to identify the bacteria in each niche and to distinguish the commensal bacteria from the temporary residents. To contribute to the description of the human skin microbiome and employing a gene-based technology, we have identified the bacteria in two … …Current Research in Microbiology, Vol. 3, Issue 2 · 23 Jul 2012 · 7,043 accessesView PDFCite
Research ArticleOpen accessIn the abstractBacteria on Human SkinRichard W. Hyman, Farbod Babrzadeh, Curtis Palm et al.Problem statement: Human skin is a large (~ 1.75 m2) organ containing a large number of ecologically distinct sites. These sites harbor a variety of distinct microbiomes. One challenge is to define the microbiome at every site. We chose two interesting sites: the base of the Front of the neck and the base of the Back of the neck (the … …Current Research in Microbiology, Vol. 2, Issue 2 · 23 Feb 2012 · 8,204 accessesView PDFCite