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127 articles for “viability”
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Research ArticleOpen accessIn the abstractDissecting Two Approaches to Energy PricesJulius N. Esunge, Andrew Snyder-BeattieProblem statement: This research tested the viability of Geometric Brownian Motion as a stochastic model of oil prices. Approach: Using autoregressions and unit root tests, we determined that oil prices tend not to exhibit the Markov Property and thus GBM may be a problematic model. Results: Instead, oil prices seem to be mean reverting over the long run, possibly following … …Journal of Mathematics and Statistics, Vol. 7, Issue 2 · 18 May 2011 · 7,100 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Ovario-Protective Effect of Erythropoietin against Oxidative Damage Associated with Reperfusion Following Ovarian Torsion in RatSayyah-Melli Manizheh, Kazemi-Shishvan Maryamalsadat, Solaimani-Rad Jafar et al.Problem statement: To show the effect of recombinant Erythropoietin (rhEPO) on the ovarian viability and histology in the twisted ischemic ovaries in rats, followed by detorsion. Approach: An experimental study was conducted in primate clinic of the School of Medicine, Tabriz University of Medical Sciences from Dec. 2008 to Apr. 2009. Forty, 4 month old Wistar rats are cased in … …American Journal of Animal and Veterinary Sciences, Vol. 6, Issue 1 · 26 Apr 2011 · 7,846 accessesView PDFCite
Research ArticleOpen accessIn the abstractMeasuring Predictors of Student Retention RatesAllen L. Webster, Vince E. ShowersProblem statement: Colleges and universities place more emphasis on student retention rates than ever before. Educational institutions are intensifying efforts to discourage student departure and preserve their established student base. Economic pressures that bear heavily on academic administration make such efforts highly critical for institutional success. Research on this vital issue is especially important due to the vigorous competition among … …American Journal of Economics and Business Administration, Vol. 3, Issue 2 · 7 Apr 2011 · 7,254 accessesView PDFCite
Research ArticleOpen accessIn the abstractFault Detection and Classification in Power Electronic Circuits Using Wavelet Transform and Neural NetworkVenugopal Prasannamoorthy, Nanjundappan DevarajanProblem statement: The identification of faults in any analog circuit is highly required to ensure the reliability of the circuit. Early detection of faults in a circuit can greatly assist in maintenance of the system by avoiding possibly harmful damage borne out of the fault. Approach: A novel method for establishing a fault dictionary using Wavelet transform is presented. The … …Journal of Computer Science, Vol. 7, Issue 1 · 15 Jan 2011 · 8,415 accessesView PDFCite
Research ArticleOpen accessIn the abstractSeller Concentration in the Grain Milling IndustryMartin Charumbira, Tafirenyika SundeProblem statement: The main purpose of the study was to explore the levels of concentration in Zimbabwe’s grain-milling industry during period 1985-2005. The study could not be extended to periods after 2005 because the situation in the country had become economically chaotic. Approach: The methodology adopted involved the calculation of the concentration indices such as the Herfindall-Hirschman index, Hannah and … …American Journal of Economics and Business Administration, Vol. 2, Issue 3 · 30 Sep 2010 · 7,502 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Temperature and Storage Time on Shelf Life of Mycoherbicidal Products of Colletotrichum dematium FGCC#20Jaya Singh, A.K. PandeyProblem statement: The storage environment can have a drastic impact on the stabilization of microbial biopesticides. As a general rule, storing microbial preparation at lower temperature increase long term survivelity. Approach: Optimization of shelf life is critically important for biocontrol products containing living microorganisms. Conidia of Colletotrichum dematium, (FGCC#20) a fungal pathogen of the weed, Parthenium hysterophorus were produced in … …American Journal of Agricultural and Biological Sciences, Vol. 5, Issue 3 · 30 Sep 2010 · 7,901 accessesView PDFCite
Research ArticleOpen accessIn the abstractTacit Knowledge CodificationMarzanah A. Jabar, Fatimah Sidi, Mohd. Hasan SelamatProblem statement: In managing knowledge and competencies as a strategic advantage to an organization, there are difficulties in capturing, storing, sharing and reusing all this knowledge. Researchers have agreed that assessing tacit knowledge is difficult because knowhow of an employee are elusive and what more to assess them. It is compounded when employees leave the organization or become unavailable due … …Journal of Computer Science, Vol. 6, Issue 10 · 10 Aug 2010 · 10,218 accessesView PDFCite
Research ArticleOpen accessIn the abstractMachine Translation of Noun Phrases from Arabic to English Using Transfer-Based ApproachOmar Shirko, Nazlia Omar, Haslina Arshad, Mohammed AlbaredProblem statement: Any Arabic to English Machine Translation (MT) system should be capable of dealing with word order which Arabic exhibits. This poses a significant challenge to MT due to the vast number of ways to express the same sentence in Arabic. The ordering features are very important and should be carefully applied to ensure the generation of sentence in … …Journal of Computer Science, Vol. 6, Issue 3 · 31 Mar 2010 · 8,413 accessesView PDFCite
Research ArticleOpen accessIn the abstractGreen Methodologies to Test Hydrocarbon ReservoirsFrancesca Verga, Vera RoccaProblem statement: The definition and the economic viability of the best development strategy of a hydrocarbon reservoir mainly depend on the quantity and type of fluids and on the well productivity. Well testing, consisting in producing hydrocarbon to the surface while measuring the pressure variations induced in the reservoir, has been used for decades to determine the fluid nature and … …American Journal of Environmental Sciences, Vol. 6, Issue 1 · 28 Feb 2010 · 7,635 accessesView PDFCite
Research ArticleOpen accessIn the abstractIdentification and Antiproliferative Activity Evaluation of a Series of Triterpenoids Isolated from Flueggea virosa (Roxb. ex Willd.)Sod Monkodkaew, Chatchanok Loetchutinat, Narong Nuntasaen, Wilart PompimonProblem statement: Medicinal plants derived anticancer were now being subjects of many research groups especially, the secondary metabolite triterpenoids trees which had enormous potential to inspire and influence modern antiproliferative research. The study aimed to investigate the chemical constitution and their potential use as antiproliferative activity of purified compounds derived from F. virosa. Approach: The F. virosa was selected and … …American Journal of Applied Sciences, Vol. 6, Issue 10 · 30 Oct 2009 · 7,626 accessesView PDFCite