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120 articles for “J-V Curves”
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Research ArticleOpen accessEvery word in the titleInfluence of Different Freezing Curves on the Acrosome Integrity of Male Goat Sperm CellsSofia Alexandra Fagundes Lopes, Henrique José Duarte Rosa, António Chaveiro, Fernando Moreira da SilvaThe aim of the present study was to evaluate the effect of three different freezing curves on male goat’s sperm viability and acrosome integrity. Semen was collected on three adult male goats in February (Azores, Portugal, latitude 38°39′N) using an artificial vagina and a female with induced heat. Three collection sessions were spaced of approximately 5 days. The study followed … …American Journal of Animal and Veterinary Sciences, Vol. 16, Issue 1 · 19 Feb 2021 · 6,616 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleFire Design: Direct Comparison Between Fire Curves. The Case Study of a NurseryMara Lombardi, Giuliano Rossi, Nicolò Sciarretta, Nino OrangesAccording to fire safety engineering, the present study analyzes fire design settings for simulation of fire in a nursery and proposes to compare simulations developed with a natural fire curve and nominal fire curve. Comparative analysis was developed according to thermo-fluid dynamic parameters that are relevant to the safety of the exposed and for the representative period of the danger … …American Journal of Engineering and Applied Sciences, Vol. 6, Issue 3 · 9 Sep 2013 · 7,345 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDeveloping a Computer Program for the Methods of Radius-Estimating Techniques for Horizontal CurvesAsma Th. Ibraheem, Fatin JananProblem statement: This study discusses the development of computer software of two phases. First phase contains the calculations of all curve elements of the four types of the horizontal curve and second phase contains the modeling of the ten methods of estimating the radius of the horizontal curve. Approach: The program is named as HCRET, which stands for Horizontal Curves … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 2 · 13 Jul 2011 · 8,028 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleTesting the Equality of Growth Curves of Independent Populations with Application on Egypt CaseHanan Girgis, Ramadan Hamed, Magued OsmanProblem statement: Numerous trials have been conducted to compare the body growth curves and hence growth rates relying on smoothing and modeling different growth curves using different parameter values for the same model. This study aimed to construct a test of the equality of two percentile growth curves and of a set of percentile growth curves from two independent populations … …Current Research in Biostatistics, Vol. 1, Issue 1 · 30 Jun 2010 · 7,710 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleHeuristic Algorithm with Simulation Model for Searching Optimal Reservoir Rule CurvesAnongrit Kangrang, Sudarat Compliew, Witsanukorn ChaiyapoomThis study proposes a heuristic algorithm to connect with simulation model for searching the optimal reservoir rule curves. The proposed model was applied to determine the optimal rule curves of the Ubolratana reservoir (the Chi River Basin, Thailand). The results showed that the pattern of the obtained rule curves similar to the existing rule curve. Then the obtained rule curves … …American Journal of Applied Sciences, Vol. 6, Issue 2 · 28 Feb 2009 · 7,424 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleStochastic Inflow Simulation for Searching Rule CurvesAnongrit Kangrang, Anujit Phumphan, Witsanukorn ChaiyapoomRule curves are basic monthly guidelines for long term reservoir operation. Generally, the optimal rule curves are searched by reservoir simulation model and optimization techniques. A traditional reservoir simulation does not consider the risk of reservoir operation caused by natural uncertainty from inflow. A stochastic simulation model embedded genetic algorithm model is developed for searching the optimal rule curves in … …American Journal of Applied Sciences, Vol. 5, Issue 3 · 31 Mar 2008 · 7,303 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleGenetic Algorithms Connected Simulation with Smoothing Function for Searching Rule CurvesAnongrit Kangrang, Chavalit ChaleeraktrakoonRule curves are fundamental guidelines for operating a reservoir system. The objective of this paper is to find a suitable objective function and to propose a smoothing function constraint for searching the optimal rule curves by using genetic algorithms connected simulation model. The results show that an average water shortage is the optimal objective function for searching the optimal rule … …American Journal of Applied Sciences, Vol. 4, Issue 2 · 28 Feb 2007 · 7,482 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleComparison of Probability Curves Obtained from 2 Quantitative Allergen-specific IgE Assays: FEIA and 3gAllergyTMT. M. Li, T. Chuang, S. M. Li, D. Hovanec-BurnsThe validity and benefit of probability curves in allergen-specific IgE (sIgE) testing and their applicability to more than a few allergens are still pending. One study[1] presented probability curves for 4 food allergens and proposed decision points to rule out the need for food challenges in his clinic. Since then, such cutoffs were reported by Boyano-Martinez[2] to be dependent on … …American Journal of Immunology, Vol. 1, Issue 2 · 30 Jun 2005 · 6,737 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA Permutation Test for Comparing Two Correlated Receiver Operating Characteristic CurvesOkeh Uchechukwu Marius, Onyeagu SidneyThe area under the Receiver Operating Characteristic (ROC) curve (AUC) is a summary measure when comparing two ROC curves. However, this summary measure is less informative when two ROC curves cross and have the same AUCs. In order to detect differences between ROC curves and to be able to tackle the problem of exchangeability of the labels between two diagnostic … …Journal of Mathematics and Statistics, Vol. 16, Issue 1 · 24 May 2020 · 8,129 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAn Improved Positivity Preserving Odd Degree-N Said-Ball Boundary Curves on Rectangular Grid Using Partial Differential EquationAhmed Kherd, Azizan Saaban, Noraziah Haji ManThis paper discusses the sufficient conditions for positivity preserving odd degree-n Said-Ball boundary curves defined on a rectangular grid. We derive a sufficient condition on boundary curves of rectangular Said-Ball patches where the lower bound ordinates are adjusted independently. To construct the boundary curves for each rectangular patch, the Said-Ball polynomial solution of fourth order PDE will be considered where … …Journal of Mathematics and Statistics, Vol. 12, Issue 1 · 10 Apr 2016 · 6,740 accessesView PDFCite