نتایج جستجو برای: Response function

تعداد نتایج: 2064010  

Journal: :basic and clinical neuroscience 0
hassan morsheddost shariati av., tehran, iran 1355-16315 davud asemani shariati av., tehran, iran 1355-16315 mahsa alizadeh shariati av., tehran, iran 1355-16315

introduction: prior studies comparing hemodynamic response function (hrf) in the young and elderly adults based on fmri data have reported inconsistent findings for brain vision and motor regions in healthy aging. it is shown that the averaging method employed in all previous works has caused this inconsistency. the averaging is so sensitive to outliers and noise. however, fmri data are obscure...

Journal: :اقتصاد و توسعه کشاورزی 0
کرباسی کرباسی کاتب کاتب

abstract in this research by using a synchronous equivalents system, the functions of supply and demand of any kind of meat and corn in fars province, iran are considered. the purpose of this study is to predict the functions of supply and the price of meat and corn, recognition and analysis of effective issued on supply and price of this sections, considering the effect of shocks and the cross...

Journal: :پژوهش های روانشناسی بالینی و مشاوره 0
علی مشهدی ندا حمیدی عاطفه سلطانی فر سعید تیموری

executive dysfunction theory in autism spectrum disorders is basis for many features of this disorders in social and non social areas. the purpose of research was study of response inhibition in children with autism spectrum disorders using computerized stroop test. this study was causal-comparative research. convenient sampling method were used for selected of 15 boy with autism spectrum disor...

Journal: :iranian journal of cognition and education 2014
seyedeh maryam moshirian farahi seyed mohammad mahdi moshirian farahi mohammad javad asghari ebrahim abad mohammad ebrahim hokm abadi

objectives: the purpose of this study was to compare the relationship between theory of mind and inhibitory responses in normal children and adhd. methods: this study is descriptive study, a sample size of 25 patients adhd children and 30 normal children, who were randomly selected. research instruments are questionnaires theory of mind and computerized stroop test. results: the results showed ...

Journal: :تحقیقات مهندسی کشاورزی 0
علیرضا کیانی استادیار پژوهش بخش تحقیقات فنی و مهندسی مرکز تحقیقات کشاورزی و منابع طبیعی استان گلستان

water shortage in the agricultural sector is currently a major challenge in crop production. the more efficient water usage is that which increases yield without increasing water use. thus, a determination of the water-yield relationship is essential. a field study was conducted to examine water-yield relations in three genotypes of soybeans, including optimum irrigation depth, a comparison of ...

Journal: :acta medica iranica 0
omid aminian department of occupational medicine, occupational medicine research center, tehran university of medical sciences, tehran, iran. maryam aslani department of occupational medicine, occupational medicine research center, tehran university of medical sciences, tehran, iran. khosro sadeghniiat haghighi department of occupational medicine, occupational medicine research center, tehran university of medical sciences, tehran, iran.

cement dust exposure is associated with increased respiratory impairment. as the major occupational hazard in the cement production industry is cement particles, our aim was to more thoroughly examine the acute effects of occupational exposure to cement dust on the respiratory system. a cross-shift study was conducted in a cement factory in iran. 100 high exposed workers from production and pac...

Journal: :journal of structural engineering and geo-techniques 2012
a esfandiari

in this paper, a structural damage identification method (sdim) is developed for plate-like structures. this method is derived using dynamic equation of undamaged/damaged plate, in which local change in flexural rigidity is characterized utilizing a damage distribution function. the sdim requires to modal data in the intact state and frequency response of damage state where most of vibration ba...

پایان نامه :0 1379

از جمله مهمترین چالشها در مدیریت منابع آب، بررس چگونگی بهره برداری از آبهای سطحی وزیرزمینی به عنوان دو منبع اصلی تامین آب است که لازمه این مدیریت شناخت اندرکنشهای پیچیده ی سفره های آب زیرزمینی با محیط می باشد. این مقاله با هدف تشریح و توسعه مفاهیم و روابط موجود بین آبهای سطحی و زیرزمین به بررسی کاربرد الگوهای ریاضی و مدیریتی در حوضه پرداخته است. بر این اساس با نظری بر الگوهای مدیریتی ‏‎(managem...

Journal: :iranian journal of allergy, asthma and immunology 0
m.h. boskabady m. fasihfar g.a. maemoori

asthma management is a major concern because some asthmatic patients either do not respond or else hardly respond to treatment. therefore in the present study, an attempt has been made to determine the predictors of treatment response in asthmatic patients. thirty six asthmatic adults including 13 male and 23 female were studied dur¬ing a 3 month treatment period. asthma symptom score (ss) and ...

In organic scintillators, the energy distribution of gamma rays and neutrons is indirectly measured by the pulse height distribution of light output produced through gamma ray and neutron reactions in the detectors. Accurate estimate of the interaction of gamma and neutrons in the detector and produce charged secondary particles and subsequent scintillation light produced in the calculation of ...

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