نتایج جستجو برای: nanomolecular simulation

تعداد نتایج: 559049  

Journal: :مدیریت صنعتی 0
عادل آذر استاد دانشگاه تربیت مدرس، تهران، ایران سمانه سقالرزاده کارشناس ارشد مدیریت صنعتی، دانشگاه تربیت مدرس، تهران، ایران علی رجب‎زاده استادیار دانشگاه تربیت مدرس، تهران، ایران

this article proposes composition of fuzzy sets theory with discrete-event simulation and puts it into application in order to model uncertain activity duration in simulating a real-world system. the purpose of this paper is to assess the usefulness of fuzzy simulation for modeling uncertain activity duration, especially when insufficient or no sample data is available. in this research, fuzzy ...

Journal: :future of medical education journal 0
naina kumar department of obstetrics and gynecology, maharishi markandeshwar institute of medical sciences and research, mullana-133207 ambala, haryana, india namit kant singh department of otorhinolaryngology, maharishi markandeshwar institute of medical sciences and research, mullana-133207 ambala, haryana, india samar rudra department of obstetrics and gynecology, maharishi markandeshwar institute of medical sciences and research, mullana-133207 ambala, haryana, india

background: simulation teaching means recreating clinical scenario for training / evaluation. aim: to expose postgraduates to simulation / didactic lecture for postpartum hemorrhage (pph) management; to assess which method was more effective. methods: present prospective study was conducted in obstetrics gynecology department of rural tertiary center of northern india.  twenty postgraduates wer...

Journal: :journal of mining and environment 2012
akbar farzanegan bahareh arabzadeh vahid hasanzadeh

discrete element method (dem) is extensively used for mathematical modeling and simulating the behavior of discrete discs and discrete spheres in two and three dimensional space, respectively. prediction of particles flow regime, power draw and kinetic energy for a laboratory or an industrial mill is possible by dem simulation. in this article, a new approach was used to assess the main paramet...

Journal: :journal of emergency practice and trauma 0
hamidreza reihani emergency department, mashhad university of medical sciences, mashhad, iran niazmohammad jafari emergency department, mashhad university of medical sciences, mashhad, iran mohsen ebrahimi emergency department, mashhad university of medical sciences, mashhad, iran elham pishbin emergency department, mashhad university of medical sciences, mashhad, iran ehsan bolvardi emergency department, mashhad university of medical sciences, mashhad, iran veda vakili community medicine department, mashhad university of medical sciences, mashhad, iran

objective: in this trial, we intend to assess the effect of simulation-based education approach on advanced cardiovascular life support skills among medical students. methods: through convenient sampling method, 40 interns of mashhad university of medical sciences in their emergency medicine rotation (from september to december 2012) participated in this study. advanced cardiovascular life supp...

Journal: :international journal of maritime technology 0
amin mahmoudi faculty of civil engineering, persian gulf university, bushehr, iran habib hakimzadeh faculty of civil engineering, sahand university of technology, tabriz mohammad javad ketabdari faculty of marine technology, amirkabir university of technology, tehran amir etemadshahidi griffith school of engineering, griffith university, queensland,4222, australia nick cartwright griffith school of engineering, griffith university, queensland,4222, australia hassan abyn assistant professor of naval architecture, persian gulf university, bushehr

breaking waves have ability to transport large quantities of sediment and significant impact on coastal structures morphology. hence, modeling of wave breaking is an important subject in coastal and marine engineering. in this research, the periodic wave breaking process on a plane slope is studied experimentally and numerically. laboratory experiments were conducted to record water surface ele...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده شیمی 1388

چکیده ندارد.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید بهشتی - دانشکده علوم ریاضی 1387

چکیده ندارد.

Journal: :مکانیک سیالات و آیرودینامیک 0
نیما سام خانیانی محمدرضا انصاری

in this paper, direct numerical simulation of two-phase incompressible gas-liquid flow for simulation of bubble motion in a microtube is presented. microtube radius is 10 µm. the interface is tracked using volume of fluid (vof) method with continuous surface force (csf) model. the flow is solved using a finite volume scheme, based on piso algorithm. numerical simulation is performed on a axisym...

Journal: :journal of chemical and petroleum engineering 2011
jafar sadeghi mobina khodadoost

the understanding of the dynamic behavior of distillation columns has received considerable attention because distillation is one of the most widely used unit operations in chemical process industries. this paper reports a dynamic simulation study of the possible distillation columns sequences of dew pointing unit in the second phase of south pars gas refinery. in this unit, three columns are u...

Journal: :international journal of marine science and engineering 2012
a. h. javid m. abbaspour s. a. mirbagheri h. janfeshanaraghi

the study of wave and its propagation on the water surface is among significant phenomena in designing quay, marine and water structures. therefore, in order to design structures which are exposed to direct wave forces, it is necessary to study and simulate water surface height and the wave forces on the structures body in different boundary conditions. in this study, the propagation of static ...

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