نتایج جستجو برای: model

تعداد نتایج: 2104287  

Journal: :iranian journal of radiation research 0
t.s. kehwar department of radiation oncology, university of pittsburgh cancer institute, pittsburgh, pa, usa s.f. akber department of radiation oncology, case western reserve university, cleveland, ohio, usa a.k. bhardwaj department of radiation oncology, postgraduate institute of medical education and research, chandigarh, india v.k. dangwal department of radiotherapy, govt. medical college, patiala, india

background: study in design to incorporate accelerated proliferation correction factors into linearquadratic and multiple-component models. materials and methods: accelerated proliferation rate correction factor has been incorporated into the linearquadratic and the multiple component models by applying accelerated exponential cell growth to explain the tumor cell kinetics and estimates proper ...

Journal: :international journal of optics and photonics 0
siamak khademi department of physics, university of zanjan samira alipour department of physics, university of zanjan

the semi-classical model of atom-field interaction has been fully studied for some multilevel atoms, e.g. vee, l, cascade x , y, and inverted y and so on. this issue is developed into the full-quantum electrodynamics formalism, where the probe and coupling electromagnetic fields are quantized. in this article, we investigate the full-quantum model of absorption and dispersion spectrum of trappe...

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...

J Behbodian N Zare S.M.T Ayatolahi

A two-yers longitudinal study waz conducted in 1996.the data are letated to a cohort of 317 healthy neonated(164 girls and 153 boys) randomly selected in june 1996 from the city of shiraz followed from birth to two years of age.Firstly,logistic regression model and HRY (Healy-Rashash-Yang)method were used on ten selected milestones separately.secondly, we use an auto-regressive multivariate mul...

Journal: مهندسی دریا 2017

Sound measured at various points around the environment can be evaluated by a series of multi-pole sources and their acoustic strength can be acquired. In this numerical study, a method, called the inverse method, was examined to achieve this goal. A variety of arrangements of different sources were considered and the acoustic strength of these sources was acquired. Through the application of t...

Journal: :journal of industrial engineering, international 2011
r ahmad s kamaruddin i azid i almanar

in industries, preventive maintenance (pm) is not a new practice to minimise the sudden breakdown of production machine. pm will be performed at predetermine intervals to provide a balance between failure cost and component utilisation (aging). however, most of pm interval is based on experience or original equipment manufacturer (oem) recommendations. consequently, the benefits from pm are not...

Journal: :bulletin of the iranian mathematical society 0
j. baldwin university of illinois at chicago t. hyttinen department of mathematics and statistics university of helsinki m. kesala department of mathematics and statistics university of helsinki

we study the history and recent developments in nonelementarymodel theory focusing on the framework of abstractelementary classes. we discuss the role of syntax and semanticsand the motivation to generalize first order model theory to nonelementaryframeworks and illuminate the study with concrete examplesof classes of models. this first part introduces the main conceps and philosophies anddiscu...

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