نتایج جستجو برای: genetic models

تعداد نتایج: 1476842  

Journal: :مجله علوم اعصاب شفای خاتم 0
pouya ghaderi islamic azad university, mashhad branch, mashhad, iran reyhane zarei islamic azad university, mashhad branch, mashhad, iran masoume esmaeil pour islamic azad university, mashhad branch, mashhad, iran maryam jafarian shefa neuroscience research center, khatam alanbia hospital, tehran, iran

the most common type of childhood-onset epilepsy syndrome is childhood absence epilepsy (cae) with well-defined electro clinical features but unknown pathological basis. the incidence of absence epilepsy is about 2 and 8 out of every 100 000 children up to the age of 16, and the prevalence is 2 and 10% of children with any form of epilepsy. children with cae suffer from high rate of pretreatmen...

Journal: :علوم دامی 0
مسلم ملاعبدالکریمی کارشناس ارشد اصلاح نژاد دام دانشگاه آزاد اسلامی واحد ورامین امیر رشیدی استاد، گروه علوم دامی دانشگاه کردستان قباد عسگری جعفرآبادی استادیار گروه علوم دامی دانشگاه آزاد اسلامی واحد ورامین

in this research, 6517 records, collected by khojir sheep breeding station (tehran, iran), during 1991 to 2011 were used to estimate genetic parameters of lamb survival in zandi sheep. genetic parameters were estimated using 16 different models of animal model, sire and threshold models using reml procedures. the aic criterion was used to evaluate the models. the effects in the most suitable an...

Journal: :journal of agricultural science and technology 2013
m. vatankhah

the data set employed in this study was comprised of a number of 6,800 records of lamb’s longevity and their survival rate, collected from 1989 through 2009, from the lori-bakhtiari experimental flock at the shooli station in shahrekord, iran. the data were analyzed using linear models and proportional hazard models with weibull function. these models included fixed factors and direct additive ...

Background: Absence epilepsy is a brief non-convulsive seizure that associated with sudden abrupt in consciousness. Because of the unpredictable occurrence of absence seizures and ethic limitation of human investigation on the pathogenesis and drug assessment led to the tendency to animal models. The aim of this paper is reviewing the advantages and disadvantages of several animal models of non...

Journal: :iranian journal of medical physics 0
amir ghanifar electrical and information technology department, iranian research organization for science and technology (irost), tehran, iran. vahid reza nafisi electrical and information technology department, iranian research organization for science and technology (irost), tehran, iran.

introduction the concentration of substances, including urea, creatinine, and uric acid, can be used as an index to measure toxic uremic solutes in the blood during dialysis and interdialytic intervals. the on-line monitoring of toxin concentration allows for the clearance measurement of some low-molecular-weight solutes at any time during hemodialysis.the aim of this study was to determine the...

Maryam Jafarian, Masoume Esmaeil Pour, Pouya Ghaderi, Reyhane Zarei,

The most common type of childhood-onset epilepsy syndrome is childhood absence epilepsy (CAE) with well-defined electro clinical features but unknown pathological basis. The incidence of absence epilepsy is about 2 and 8 out of every 100 000 children up to the age of 16, and the prevalence is 2 and 10% of children with any form of epilepsy. Children with CAE suffer from high rate of pretreatmen...

Journal: :علوم دامی ایران 0
ابوالقاسم سراج دانشجوی دکتری دانشکده کشاورزی دانشگاه تربیت مدرس رسول واعظ ترشیزی استادیار دانشکده کشاورزی دانشگاه تربیت مدرس عباس پاکدل استادیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران

influence of maternal and sire-generation interaction effects on day-old chick' weight was investigated in two commercial broiler sire and dam lines, and in mazandaran native fowls. the data were analysed through restricted maximum likelihood (reml) procedures, using asreml software. ten different animal models were implemented and compared with likelihood ratio test. all models consisted ...

Journal: :iranian journal of applied animal science 2015
p. zamani m.r. moradi d. alipour a. ahmadi

the aim of the present study was the estimation of (co) variance components and genetic parameters for body weight of moghani sheep, using random regression models based on b-splines functions. the data set included 9165 body weight records from 60 to 360 days of age from 2811 moghani sheep, collected between 1994 to 2013 from jafar-abad animal research and breeding institute, ardabil province,...

ژورنال: علوم آب و خاک 2015
ترابی گل‌سفیدی, حسین, دربندی, صابره, شعیبی نوبریان, محمدرضا,

CEC of the soil is the exchange sites of organic and inorganic soil colloids. Modeling and Estimation of CEC is a useful indicator for fertility. The new alternative approaches for estimating CEC are indirect methods based on intelligent models. In this research in order to estimate CEC, 485 soil samples were prepared from two regions, chaparsar (Mazandaran in northern Iran) and Bostanabad (Nor...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده مهندسی 1387

abstract this paper discusses several commonly used models for strategic marketing¹ including market environmental analysis methods (i.e. swot and pest analysis) and strategic marketing tools and techniques (i.e. boston matrix and shell directional policy matrix)and shows how these models may help a firm to achieve its strategic goals. at first, the main reason for doing this research is de...

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