نتایج جستجو برای: reaction model

تعداد نتایج: 2465267  

Journal: :iranian journal of science and technology (sciences) 2007
s. mohammadi

high spin states in the neutron rich nucleus 191os has been populated for the first time using the82se+192os deep-inelastic reaction at 460 mev beam energy using the alpi accelerators at the laboratorynazionali di legnaro, italy. high fold γ-γ coincidences were acquired with the 4π spectrometer gaspdetector array, consisting of 40 compton-suppressed, large-volume germanium detectors with an inn...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2011
yazdan asgari mehrdad ghaemi mohammad ghasem mahjani

the cellular automata method has been used to simulate the pattern formation of the schlögl model as a bistable reaction-diffusion system. both microscopic and macroscopic cellular automata approaches have been considered and two different methods for obtaining the probabilities in the microscopic approach have been mentioned. the results show the tendency of the system towards the more stable ...

Journal: :physical chemistry research 0
tayebeh hosseinnejad department of chemistry, faculty of science, alzahra university, vanak, tehran, iran

the main purpose of this research is to investigate computationally the tautomeric reaction pathway of 5-methyl-3-methylthio-1,2,4-triazole from the thermodynamical and mechanistical viewpoints. in this respect, density functional theory (dft) in conjunction with the quantum theory of atoms in molecule (qtaim) has been employed to model the energetic and electronic features of tautomeric mechan...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - پژوهشکده علوم انسانی و اجتماعی 1391

abstract the present study was conducted to investigate the effect of using model essays on the development of writing proficiency of iranian pre-intermediate efl learners. to fulfill the purpose of the study, 55 pre- intermediate learners of parsa language institute were chosen by means of administering proficiency test. based on the results of the pretest, two matched groups, one as the expe...

Journal: :Journal of Computational and Applied Mathematics 1992

Journal: :Bulletin of the Chemical Society of Japan 1969

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2014
mehdi moazemi goodarzi bahram rezai anahita seifikhani

leaching of molybdenite concentrate with hydrogen peroxide in sulfuric acid solution was investigated to determine the effects of reaction time, reaction temperature, h2o2 concentration, h2so4 concentration, pulp density and rotation speed on molybdenum extraction and molybdenite dissolution kinetics, using the taguchi method. from analysis of variance (anova) for molybdenum extraction, the mos...

Journal: :Computer Methods in Biomechanics and Biomedical Engineering 2013

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