نتایج جستجو برای: partitioning factor

تعداد نتایج: 878019  

Slope stability analysis is an enduring research topic in the engineering and academic sectors. Accurate prediction of the factor of safety (FOS) of slopes, their stability, and their performance is not an easy task. In this work, the adaptive neuro-fuzzy inference system (ANFIS) was utilized to build an estimation model for the prediction of FOS. Three ANFIS models were implemented including g...

2009
Henrik Johansson

Parallel structured adaptive mesh refinement methods decrease the execution time and memory requirements of partial differential equation solvers. These methods result in an adaptive and dynamic grid hierarchy that repeatedly needs to be re-partitioned and distributed over the processors. No single partitioning algorithm can consistently construct high-quality partitionings for all possible gri...

2017
Javier Sánchez-Hernández Heidi-Marie Gabler Per-Arne Amundsen

Although food resource partitioning among sympatric species has often been explored in riverine systems, the potential influence of prey diversity on resource partitioning is little known. Using empirical data, we modeled food resource partitioning (assessed as dietary overlap) of coexisting juvenile Atlantic salmon (Salmo salar) and alpine bullhead (Cottus poecilopus). Explanatory variables in...

F. Hozhabri, M.E. Nooryan Soroor M.M. Moeini S. Mirzaei Cheshmehgachi

In this experiment, different doses of Zataria multiflora (ZM) and Eucalyptus globolus (EG) essential oils (EOs) (0, 100, 250, 500, 750 and 1000 µg/mL) and a mixture of them were added to alfalfa hay incubated with buffered rumen liquor of Merghoz goat to assess in vitro gas production, rumen fermentation and protozoa population. In all treatments the asymptotic gas volume (B) and the rate cons...

Journal: :The Journal of chemical physics 2010
Georg Jansen Ru-Fen Liu János G Angyán

The correlation energy in the direct random phase approximation (dRPA) can be written, among other possibilities, either in terms of the interaction strength averaged correlation density matrix, or in terms of the coupled cluster doubles amplitudes obtained in the direct ring approximation (drCCD). Although the corresponding dRPA correlation density matrix on the one hand, and the drCCD amplitu...

Journal: :iranian biomedical journal 0
حمید شهباز محمدی hamid shahbaz mohammadi اسکندر امیدی نیا eskandar omidinia حشمت اله طاهرخانی heshmatollah taherkhani

background: phenylalanine dehydrogenase (phedh ec 1.4.1.20) is a nad+-dependent enzyme that performs the reversible oxidative deamination of l-phenylalanine to phenylpyruvate. it plays an important role in detection and screening of phenylketonuria (pku) diseases and production of chiral intermediates as well. the main goal of this study was to find a simple and rapid alternative method for pur...

Objective The main purpose of this article is to choose the best predictive model for IVF/ICSI classification and to calculate the probability of IVF/ICSI success for each couple using Artificial intelligence. Also, we aimed to find the most effective factors for prediction of ART success in infertile couples. MaterialsAndMethods In this cross-sectional study, the data of 486 patients are colle...

Journal: :journal of agricultural science and technology 2010
n. majnoun hosseini r. h. ellis b. yazdi-samadi

a field study was conducted to evaluate the agronomic response of eight isolines of cv. clark on a clay loam soil (at karaj-iran, 35048´) to four plant population densities of 11.3, 18.5, 68.5, and 103.4 plants per square metre. significant yield increase was obtained as a result of higher plant density. differences among the cv. clark isolines were significant (p

2008
D. Davesne

In this paper, we develop a consistent extension of RPA for bosonic systems. In order to illustrate the method, we consider the case of the anharmonic oscillator. We compare our results with those obtained in mean-field and standard RPA approaches, with the exact ones and show that they are very close to the exact ones.

2008
E. Kolbe K. Langanke

We use the random phase approximation to describe the muon capture rate on 44Ca,48Ca, 56Fe, 90Zr, and 208Pb. With 40Ca as a test case, we show that the Continuum Random Phase Approximation (CRPA) and the standard RPA give essentially equivalent descriptions of the muon capture process. Using the standard RPA with the free nucleon weak form factors we reproduce the experimental total capture rat...

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