نتایج جستجو برای: artificial neutral network

تعداد نتایج: 952037  

Journal: :international journal of epidemiology research 0
babak mohammadzadeh clinical psychologist, tabriz, i.r. iran mehdi khodabandelu clinical psychologist, tabriz, i.r. iran masoud lotfizadeh social health determinants research center, shahrekord university of medical sciences, shahrekord, i.r. iran

background and aims: depression disorder is one of the most common diseases, but the diagnosis is widely complicated and controversial because of interventions, overlapping and confusing nature of the disease. so, keeping previous patients’ profile seems effective for diagnosis and treatment of present patients. use of this memory is latent in synthetic neuro-fuzzy algorithm. present article in...

Journal: :international journal of environmental research 0

twenty four cowpea varieties were raised at niab and arri, faisalabad selected for plant height (42-136cm) days taken to 95 % flowering (62-79 days) and for diseases resistance (0.67-7 rating). infestation was maximum on it-97k-461-4, 1068-7, it-97k 1042-8 and it-98k-558-1 and was graded as susceptible. maximum grain yield was recorded in elite (649 kg/ha) and lowest grain yield was observed in...

Journal: :international journal of environmental research 0

accurate prediction of municipal solid waste’s quality and quantity is crucial for designing and programming municipal solid waste management system. but predicting the amount of generated waste is difficult task because various parameters affect it and its fluctuation is high. in this research with application of feed forward artificial neural network, an appropriate model for predicting the...

Journal: :international journal of industrial engineering and productional research- 0
yahia zare mehrjerdi department of ie tahereh aliheidary

job satisfaction (js) plays important role as a competitive advantage in organizations especially in helth industry. recruitment and retention of human resources are persistent problems associated with this field. most of the researchs have focused on the job satisfaction factors and few of researches have noticed about its effects on productivity. however, little researchs have focused on the ...

Journal: :journal of food biosciences and technology 0
m. mokhtarian young researchers and elite club, sabzevar branch, islamic azad university, sabzevar, iran. h. tavakolipour associate professor of the department of food science & technology, sabzevar branch, islamic azad university, sabzevar, iran.

abstract: in this study the reliability of using response surface-neural network method to predict the osmotic dehydration properties of crookneck squash has been investigated. in order to carry out this project, the osmotic solution concentration, the osmotic solution temperature and immersion time were chosen as inputs and solid gain and water loss were selected as outputs of the designed net...

Journal: :journal of biomedical physics and engineering 0
s. sina radiation research center, shiraz university, shiraz, iran. r. faghihi radiation research center, shiraz university, shiraz, iran a. s. meigooni nuclear engineering department, school of mechanical engineering, shiraz university, shiraz, iran.

background: the artificial neural networks (anns) are useful in solving nonlinear processes, without the need for mathematical models of the parameters. since the relationship between the ct numbers and material compositions is not linear, ann can be used for obtaining tissue density and composition. objective: the aim of this study is to utilize ann for determination of the composition and mas...

Journal: :archives of hygiene sciences 0
hossein jafari mansoorian environmental health engineering research center, department of environmental health engineering, school of health, kerman university of medical sciences, kerman, iran mostafa karimaee kerman university of medical sciences mahdi hadi semnan university of medical science elaheh jame porazmey tehran university of medical science farzan barati tehran university of medical science mansour baziar department of environmental health engineering, school of health, tehran university of medical science, tehran, iran

background & aims of the study: a feed forward artificial neural network (ffann) was developed to predict the efficiency of total petroleum hydrocarbon (tph) removal from a contaminated soil, using soil washing process with tween 80. the main objective of this study was to assess the performance of developed ffann model for the estimation of   tph removal. materials and methods: several indepen...

Journal: :iranian journal of medical physics 0
payam samadi miandoab department of electrical and computer engineering, medical radiation group, graduate university of advanced technology, haft bagh highway, knowledge paradise, kerman, iran. ahmad esmaili torshabi department of electrical and computer engineering, medical radiation group, graduate university of advanced technology, haft bagh highway, knowledge paradise, kerman, iran. saber nankali department of electrical and computer engineering, medical radiation group, graduate university of advanced technology, haft bagh highway, knowledge paradise, kerman, iran. mohammad reza rezaie department of electrical and computer engineering, medical radiation group, graduate university of advanced technology, haft bagh highway, knowledge paradise, kerman, iran.

introduction patient set-up optimization is required in radiotherapy to fill the accuracy gap between personalized treatment planning and uncertainties in the irradiation set-up. in this study, we aimed to develop a new method based on neural network to estimate patient geometrical setup using 4-dimensional (4d) xcat anthropomorphic phantom. materials and methods to access 4d modeling of motion...

Ahmad Najafi, Hadis Khosravi, Shila Emamieh,

Background and Aim: Carbonated diet soda is the most common etiologic factor for dental erosion, and fluoride products have been proposed as an option for the preven-tion of that problem. This study evaluated the effect of Remin Pro and neutral sodium fluoride on the prevention of dental enamel erosion using profilometry. Materials and Methods: This study was conducted using an experimental-...

Journal: :پژوهش های حفاظت آب و خاک 0

infiltration rate is one of the most important soil physical parameters and is a basic input data in irrigation and drainage projects. although, a number of theoretical or experimental based equations are presented to describe this phenomenon but the evaluation of some new sciences such as artificial neural networks, for prediction of the phenomenon can be investigated. generally, the infiltrat...

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