نتایج جستجو برای: golestan and semnan provinces
تعداد نتایج: 16828504 فیلتر نتایج به سال:
The cytological features including chromosome numbers and detailed measurements of 46 populations ten Achillea species ( A. aleppica, bibersteinii, eriophora, filipendula, millefolium, nobilis, pachycephala, tenuifolia, vermicularis, wilhelmsii ) were reported from Iran. Sample plants seeds collected diff erent geographical regions Total length, long/ short arm ratio, centromere index, total fo...
M. synoviae (MS) is an economically important pathogen and the major cause of airsacculitis and infectious synovitis in turkeys. Infection with this pathogen may remain asymptomatic but can render infected birds susceptible to secondary infections. This study was carried out for the molecular detection of MS infection in commercial and backyard turkey flocks in Tehran, Semnan, Isfahan, Qazvin, ...
Background and purpose: Violence against children is one of the most important social and public health problems that affect people in different age, racial, cultural and religious groups. The aim of this study was to determine and compare the prevalence of violence against children in provinces of Iran. Materials and methods: This ecological study used the cluster analysis of data from Demo...
In this paper energy intensity changes in industries of Iran as a whole and for each province separately have been calculated in the period of 2005-2019. These changes are divided to structural and efficiency effects by using average distribution on the amount of changes in cross method. The results show that during this period, energy intensity has increased throughout the country and in all p...
Freight and passenger transport are two main functions of the infrastructure and transportation networks in each country. It is required to efficiently utilize the transportation infrastructures to increase transportation-related performance measures. In this study, data envelopment analysis (DEA) model is used to evaluate performance of the Iranian provinces from the freight and passenger tran...
this study conducted during 3 years period (2002-2004). tick sampling was randomly carried out from domestic animals during seasonal activity of ticks from six provinces of iran. 2170 ticks from 151 cattle , 629 sheep, 336 goats and 32 camels were collected proin 30 prosseces with a mean number of 1.9 tick per animal. 209 dermacentor ticks collected from six provinces( kordestan, ardebil, east ...
this study conducted during 3 years period (2002-2004). tick sampling was randomly carried out from domestic animals during seasonal activity of ticks from six provinces of iran. 2170 ticks from 151 cattle , 629 sheep, 336 goats and 32 camels were collected proin 30 prosseces with a mean number of 1.9 tick per animal. 209 dermacentor ticks collected from six provinces( kordestan, ardebil, ea...
Genetic diversity as an important marker of the ecological status of aquatic ecosystems is considered a unique and powerful tool to evaluate biological communities. In order to evaluate the genetic diversity among golden mullet species (Liza aurata) in the southeast and southwest coasts of the Caspian Sea by D-Loop gene sequencing, a total of 23 fin specimens of golden mullet were collected fro...
Today, competitiveness has become one of the most applied concepts in regional and urban studies. The reason, why much attention has been devoted to this concept is the changes in the world economy, demographical changes of countries, changes in social structures and activities. This research aimed to conduct a spatial analysis of competitiveness of Iran provinces based on educational factors. ...
Genetic diversity as an important marker of the ecological status of aquatic ecosystems is considered a unique and powerful tool to evaluate biological communities. In order to evaluate the genetic diversity among golden mullet species (Liza aurata) in the southeast and southwest coasts of the Caspian Sea by D-Loop gene sequencing, a total of 23 fin specimens of golden mullet were collected fro...
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