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Search Results: 1 - 10 of 401253 matches for " M Eskandari Torbaghan "
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Evaluation of Barley (Hordeum vulgare L. var. Karon dar Kavir) Stress Tolerance to Cl/SO4 Anionic Ratio of Irrigation Water
M Eskandari Torbaghan,A.L Astaraei,M Eskandari Torbaghan,A Ganjali
Journal of Science and Technology of Agriculture and Natural Resources , 2010,
Abstract: Chlorine and sulfate toxicity in water and soils are the main factors limiting growth and yield of most plants. Tolerance and sensitive indexes related to Cl and SO4 in irrigation water and effect of nitrogen fertilizer on barley were evaluated in a completely randomized design with three replications, under greenhouse conditions. Quantity salinity tolerance and susceptibility indices such as Mean Productivity (MP), Tolerance Index (TOL), Geometric Mean Productivity (GMP), Stress Susceptibility Index (SSI), Reduction Yield Ratio (Yr) and Stress Tolerance Index (STI) on the basis of plant yield with stress (Ys) and without stress (Yp) conditions were determined. Results showed that STI had a positive and highest significant correlation with grain and straw yields, compared to other indexes. Study of Standard Beta contents in grain and straw with STI index showed that the impact of Cl had a greater effect on reduction of salinity tolerance than SO4. Also Cl/SO4 ratios of 1:3 and 1:2 for grain and 1:2 and 1:1 for plant straw brought about highest tolerance to salinity, compared to non stress conditions. The scatter plot also confirmed such findings.
A Proposal for a Fluidized Bed Nuclear Reactor
M. R. Eskandari,M. Shayesteh
Iranian Journal of Physics Research , 1996,
Reconstruction of Shape and Position for Scattering Objects by Linear Sampling Method
A.R. Eskandari,M. Naser-Moghaddasi,M. Eskandari
International Journal of Soft Computing & Engineering , 2012,
Abstract: This paper presents an approach for shape and position reconstruction of a scattering object using microwaves where the scatterer is assumed to be a homogenous dielectric medium. The employed technique assumes no prior knowledge of the scatter’s material properties like electric permittivity and conductivity, and the far-field pattern is used as the only primary information in identification. The approach proposed consists of retrieving the shape and the position of the scattering object using a linear sampling method. The technique results in high computational speed and efficiency. In addition, the technique can be generalized for any scatterer structure. Numerical results are used to validate the feasibility of the proposed approach.
Stability studies of muon catalized fusion in mixed three gases of D/T/H using Hurwitz method
M. R. Eskandari,S. Dailami
Iranian Journal of Physics Research , 2000,
Simpson’s Method for Solution of Nonlinear Equation  [PDF]
Hamideh Eskandari
Applied Mathematics (AM) , 2017, DOI: 10.4236/am.2017.87073
Abstract: The programs offered for solving nonlinear equations, usually the old method, such as alpha, chordal movement, Newton, etc. have been used. Among these methods may Newton’s method of them all be better and higher integration. In this paper, we propose the integration method for finding the roots of nonlinear equation we use. In this way, Newton’s method uses integration methods to obtain. In previous work, [1] and [2] presented numerical integration methods such as integration, trapezoidal and rectangular integration method that are used. The new method proposed here, uses Simpson’s integration. With this method, the approximation error is reduced. The calculated results show that this hypothesis is confirmed.
S. Shariat Torbaghan,R. Nazari,S. Jolodari1 M. Hashemi
Acta Medica Iranica , 1998,
Abstract: Hemangioma of the ovary is reported in a 66 years old woman. Vascular tumors of the female genital tract are rare, especially those of the ovaiy. Most cases are discovered incidentally. The case presented here was missed clinically.
The Comparison between Present with Desired Organizational Culture in Tehran University of Medical Sciences’ Hospitals
H Dargahi,M Eskandari,G Shaham
Payavard Salamat , 2010,
Abstract: Background and Aim: The study of organizational culture as a managerial tools, is necessary in health care organizations. Hospital administrators should compare present with desired hospitals' organizational culture continuously. This research is aimed to compare the present with desired organizational culture as administrators' view in Tehran University of Medical Sciences' Hospitals.Materials and Methods: A Cross - Sectional' descriptive and analytical study was conducted among 15 Tehran University of Medical Sciences' Hospitals administrators by a questionnaire including demographic information and 30 questions which determined the approach of TUMS hospitals administrators about current and appropriate organizational culture components. Before the main study, validity and reliability of the questionnaire was performed. The data was collected by SPSS version 15 software and analyzed by Chi-square, Pearson and T tests.Results: The result of this study showed that leadership was the most and control was the least organizational culture components which observed in present condition.Discussion and Conclussion: As TUMS hospital administrators' view, all of the hospitals organizational culture components, exception control and communication patterns, are not observed in current status.There is a significant difference between current and appropriate hospital organizational culture components as the administrator's view which impressed on the hospital management system. Therefore, the hospitals administrators are required to do strategic planning to optimize the hospitals organizational cultures.
A Study of muon efficiency dependency on ion density in fusion of D-T and D-T-H mixtures and their comparison
M. R. Eskandari,S. N. Hoseini Motlagh
Iranian Journal of Physics Research , 1998,
Comparison of Different Animal Models in Estimation of Variance Components and Genetic Parameters of Body Weight of Mehraban Sheep
F GHafori,M Eskandari,H Mohamadi
Journal of Science and Technology of Agriculture and Natural Resources , 2009,
Abstract: Variance components and genetic parameters of body weight of Mehraban sheep were estimated by univariate and random regression models. This was done by using body weight records of 2746 Mehraban lambs related to flocks under supervision of the Agriculture Organization of the Hamadan province, collected between 1990 and 2005. In both methods, variance components estimates were obtained by restricted maximum likelihood (REML) using DFUNI and DXMRR programs, respectively, via DFREML 3.1 software package. Results showed that variance components obtained from RR models (except for residual variance) in some ages were higher than those obtained from univariate models. Direct heritability (h2) estimates from univariate and RR models were approximately equal to weaning age; but, overall, RR estimates were higher than those obtained from univariate analyses. Maternal heritability estimates (m2) from RR models were higher than univariate models’ estimates, and showed a different pattern of variation with age. Correlations between predicted breeding values from univariate and RR models for birth weight and weaning weight were 0.72 and 0.70, respectively. Results showed that estimates of variance components and genetic parameters by RR models were affected by data structure; and in case of the need for genetic parameters, especially those related to body weight late in lambs’ life, estimates of univariate analyses should be preferred.
Evaluation of Reasons of Permanent Teeth Extraction in Iranian People (2009)
Kakoei S.,Fatemian M.,Eskandari Zadeh A.,Parirokh M.
Journal of Dentistry , 2012,
Abstract: Statement of Problem: Everyday, many people lose their teeth because of various reasons. Knowing the reasons of tooth extraction would help officials to make decisions for helping patients saving their teeth.Purpose: The aim of this study was to investigate the reasons of teeth extraction in dental clinics and some private offices in the city of Kerman in November 2009- February 2010.Materials and Method: In this cross-sectional study, the reasons of teeth extraction in 2076 teeth from 1500 patients selected by simple sampling from Kerman dental clinics were evaluated. Personal data such as gender, age, educational level, occupation, and family size as well as the main reason of tooth extraction (decay, periodontal diseases, prosthesis, tooth impaction, orthodontic reasons, and patient’s request) and the type of tooth were collected by a checklist. Data were analyzed in SPSS, version 11.5 using χ2 test.Results: The two main reasons of tooth extraction were dental caries (43.6%) and patient request (30.6%), respectively. Overall, the first and third molars of the lower jaw were the most commonly extracted teeth. There was a significant relationship between gender and tooth extraction because of caries and orthodontic reasons ( p <0.0001). Meanwhile, the patients’ age had a significant relationship with most teeth extraction reasons ( p <0.0001). Except for patient’s request, educational level had a significant impact on other teeth extraction reasons ( p <0.0001). Conclusion: According to the results of this study, the most common reasons of tooth extraction were dental caries and patient request despite their restorability. Preventive programs and routine dental examination are recommended.
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