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Search Results: 1 - 10 of 327278 matches for " S Amin Eskandari "
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Anti-Inflamnatey Effect of 15 Percent Benzydamin Mouth Wash on Moderate Periodontits Patients
A - Mogharehabed,S Amin Eskandari
Journal of Isfahan Dental School , 2005,
Abstract: Introduction. The periodontal inflammation is one of the most common oral and dental diseases. Periodontitis is advanced periodontal bacterial infection. At present treatment of this disease is oral hygiene instructions, scaling and root planning, plaque control with different mouth washes and in some cases, periodontal surgery. In this investigation, Benzydamin was used as mouth wash which has anti pain and anesthetic properties. The purpose of this research was to study anti-inflammatory effects of using Benzydamin mouth wash 0.15 percent on moderate periodontitis.Material and Methods. This was a clinical test study, which has been done in Isfahan University (School of Dentistry). Sample included 80 patients, (52 female and 28 male) with an average age of 27 years. Patients who had moderate periodontitis were tested and divided into 40 person group (case and control). In both groups before performing the firt phase of treatment, index of gingival inflammation and bleeding index was determined. In case group, patients were given both oral hygience instructions and oral Bensydamin month wash. In control group only oral hygiene instructions were given to them. After one week, both case and control groups were recalled and once more indexes determined and then average was made. Acording to statistical formulas descriptive statistic and t-tests, curves and tables were made.Results. The mean for bleeding index before clinical test were 2.01 and 1.7 and after clinical test were 1.22 and 1.27 for both case and control groups. These differences between two groups were significant. But the mean for gingival inflamation index before and after clinical test were 2.18, 2.01 and 1.87, 2.03 which in both stages. Their differences were not significant.Discussion. Rsults indicate Benayamin month wash will decrease gingival bleeding and to lesser extend gingival inflamation. In control group, bleeding index was decreased slightly which can be due to oral hygiene instructions.Key words. Moderate periodontitis, Benzydamin hydrochloride 0.15%.
Effects of salinity and Cu on total uptake of micronutrient in shoot and root of pistachio cultivars (Pistacia vera L.)
S. Eskandari,V. Mozaffari
Journal of Science and Technology of Greenhouse Culture , 2013,
Abstract: To study the effects of soil Cu and salinity levels on uptake of micronutrients by shoots and roots of pistachio seedlings, a factorial experiment was carried out as completely randomized design with three replications in greenhouse of College of Agriculture, Vali-e-Asr University of Rafsanjan, Iran, in May 2008. Treatments consisted of five salinity levels (0, 800, 1600, 2400 and 3200 mg NaCl per kg soil), four Cu levels (0, 2.5, 5 and 7.5 mg Cu per kg soil) and two pistachio cultivars (Badami Zarand and Ghazvini). Results showed that salinity stress significantly (P<0.05) decreased the uptake of micronutrients including Cu, Fe, Zn and Mn by shoots and roots. Application of 5 mg Cu per kg soil significantly increased the uptake of Cu, Fe and Mn by shoots, but had no significant effect on Zn uptake by shoots. Application of 2.5 mg Cu per kg soil significantly increased uptake of Cu, Fe and Mn by roots, while had no significant effect on Zn uptake by roots. In conclusion, the uptake of micronutrients in Badami Zarand cultivar was significantly higher than Ghazvini cultivar. Since trees suffer from deficiency of micronutrients in pistachio orchards, using Badami Zarand cultivar is recommended as pistachio rootstock.
Effect of Soil Copper and Salinity on Growth and Chemical Composition of Two Pistachio Cultivars
S. Eskandari,V. Mozafari
Journal of Science and Technology of Agriculture and Natural Resources , 2012,
Abstract: A greenhouse experiment was conducted to study the effects of soil copper (Cu) and salinity on growth and chemical composition of two pistachio cultivars. A factorial experiment was carried out as a completely randomized design with three replications. Treatments consisted of four Cu levels (0, 2.5, 5, and 7.5 mg Kg-1soil as CuSO4.2H2O), five salinity levels (0, 800, 1600, 2400, and 3200 mg NaCl Kg-1 soil) and two pistachio cultivars (Badami-e-Zarand and Ghazvini). Results showed that salinity significantly decreased growth parameters. Application of 3200 mg NaCl Kg-1 soil decreased shoot and root dry weights, leaf area and stem height by 67, 72, 45 and 76 % respectively. Application of 7.5 mg Cu Kg-1 soil increased shoot dry weight and leaf area by 24 and 26% respectively. Morever, there was no significant difference between growth parameters of two pistachio cultivars, except for leaf area index. Salinity stress significantly decreased shoot and root P, k and Cu total uptake, and increased that of Na and Cl. Application of 5 mg Cu Kg-1 soil significantly increased shoot Cu uptake. Since total uptake of all elements for Badami cultivar was significantly higher than the Ghazvini, it could be concluded that the latter cultivar is probably more resistant to the saline conditions.
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,
Abstract:
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.
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,
Abstract:
Effects of Zeolite and Selenium Application on Some Physiological Traits and Oil Yield of Medicinal Pumpkin (Cucurbita pepo L.) under Drought Stress
Kourosh Eskandari Zanjani,Amir Hossein Shirani Rad,Masoumeh Naeemi,Amin Moradi Aghdam
Current Research Journal of Biological Sciences , 2012,
Abstract: There is no doubt that certain plants offer valuable medicinal properties. But there are many challenges that local communities face in the harvesting and cultivation of these plants. Medicinal pumpkin (Cucurbita pepo L. var. Styriaca) is an economically important medicinal plant cultivated for oil production. Water source limitation is one of the important problems in agriculture worldwide. Natural zeolits have some properties such as water absorption and emission and nitrate leaching inhibition, which is useful for soil amendment. This study was carried out to investigate the effects of zeolite and selenium application on some physiological traits and oil yield of medicinal pumpkin (Cucurbita pepo L.) under drought stress. A field experiment was carried out in a factorial based on a randomized complete block design with three replications. The factors included: Irrigation (control, drought stress imposed during at flowering phase and drought stress imposed during fruit formation), Zeolite (non-application and application of 10 ton/ha) and Selenium (nonapplication and 30 g/Lit) from sodium selenate. All physiological parameters were affected by drought stress and zeolite application. Drought stress decreased total chlorophyll content, stomatal conductance, RWC, leaf soluble protein, oil content and oil yield and zeolite application in drought stress increased mentioned traits except oil content. Proline accumulation, WSD and CAT antioxidant enzyme activity were reduced in presence of zeolite in drought stress conditions than under control. Selenium spraying with zeolite application in drought conditions increased RWC, CAT antioxidant enzyme activity and oil yield. Drought stress at fruit formation phase reduced oil content and oil yield more severe than that on flowering stage. Finally, it seems that zeolite and selenium application in dry lands are exposed to drought stress be helpful for physiological traits and oil yield improvement and prevention of decreased oil yield.
Pollen-pistil compatibility relationships in some Iranian almond (Prunus dulcis, Batch) genotypes as revealed by PCR analysis
Y Sharafi, J Hajilou, SA Mohammadi, MR Dadpour, S Eskandari
African Journal of Biotechnology , 2010,
Abstract: The identification of pollen-pistil compatibility relationships among almond cultivars and genotypes is very important for breeders and growers. In the present study, PCR based technique was used to identify S-alleles in 10 late blooming almond genotypes. In total, 19 alleles were amplified by five primer pairs in the studied genotypes. The size of bands ranged between 480 - 2000 bp. Seven S-alleles were amplified using AS1II/AMYC5R primer pair, whereas each of the Alsc11/AMYC5R, Pru-C2/Pru-C4R, Pru-C2/Pru-C5R and Pru-C2/Pru-C6R primer pairs amplified nine different S-alleles. Based on S-allele patterns, all of the studied genotypes were identified as self-incompatible. However, some of the genotypes had only one similar S-allele, all of the genotypes could be used in establishment of commercial orchards based on their blooming times.
Muon cycling rate in D/T mixture including doubly muonic molecule formation
M. R. Eskandari,S. N. Hoseini-motlagh,B. Rezaie
Iranian Journal of Physics Research , 2002,
Abstract: In the present work, the fundamental behavior of four body molecule formations of pt μμ , pd μμ , dt μμ , tt μμ , and pp μμ in a D/T fusion are considered. Their higher fusion rate, specially the available data for dt μμ , encouraged us to study the muon cycling rate in D/T fusion in the temperature range of (100-1400 K), density and deuterium-tritium concentration ratio. For this purpose, various values for the doubly muonic molecule formation are chosen and with the comparison to the experimental results, the doubly muonic formation rate of 109 s-1 is predicted theoretically. Our calculated cycling rate has shown that having not considered the doubly muonic formation in previous calculations had made no serious changes in the previously calculated values.
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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