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تعداد نتایج: 16998841 فیلتر نتایج به سال:
A practical and green method for the synthesis of 5H-dibenzo[b,i]xanthene-tetraones and spiro[dibenzo[b,i]xanthene-13,3'-indoline]-pentaones by the condensation of 2-hydroxynaphthalene-1,4-dione with aldehydes or isatins, respectively, in the presence of a catalytic amount of cellulose sulfuric acid (CSA) under solvent-free conditions at 100 °C is described. The significant features of this pro...
background: due to difficulty in obtaining anatomical reduction, management of the unstable intertrochanteric fractures in elderly osteoporotic patients is challenging. the purpose of this study is to compare the results of hip arthroplasty (total, hemi, or bipolar) with dhs in the elderly patients with unstable intertrochanteric fractures. methods: we prospectively studied and followed-up ...
Drug Utilization Evaluation (DUE) studies facilitate assessing the appropriateness and rational use of medications.The goal of the present study was to evaluate Amphotericin B usage in neutropenic patients. A prospective DUE study was performed in Hematology-Oncology and Stem Cell Transplantation wards at Taleghani hospital for one-year. National comprehensive cancer network, clinical practice ...
conclusions the results of the study show that tadalafil can increase the mean ielt and can be used for treatment of premature ejaculation in combination with paroxetine. results the mean age of patients in groups a and b were 33 ± 9.6 and 31.2 ± 9.3 years, respectively (p = 0.368). the mean number of intercourses were 1.08 ± 0.6 and 1.12 ± 0.6 per week in groups a and b, respectively (p = 0.79...
purpose: to evaluate the results of one-site phacotrabeculectomy using sutureless tunnel technique without peripheral iridectomy (no-pi) in glaucoma patients with cataract methods: a retrospective study of cases which has been recorded of patients who have had one-site no-pi phacotrabeculectomy using sutureless tunnel technique. we collected pre- and postoperative data in all patients including...
abstract type-ii fuzzy logic has shown its superiority over traditional fuzzy logic when dealing with uncertainty. type-ii fuzzy logic controllers are however newer and more promising approaches that have been recently applied to various fields due to their significant contribution especially when the noise (as an important instance of uncertainty) emerges. during the design of type- i fuz...
most of the verbal constructions of harzani dialect have got inflectional affixes. the majority of the constructions are made up vy adding a specific verbal affix to the verbal stem (infinitive without infinitive marker). only a few number of them is formed by adding a verbal affix to the past participle of the verb. there are specific rules for the formation of different verbal types. there is...
a method for predicting liquid densities of binary mixtures from heat of vaporization and liquid densityat boiling point temperature (δhvap and n b ρ ) as scaling constants, is presented. b2(t) follows a promisingcorresponding-states principle. calculation of α(t) and b(t), the two other temperature-dependentconstants of the equation of state, are made possible by scaling. as a result δhvap and...
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