Introduction: Beta-thalassemia is the most common hereditary disease in Iran. More than two million carriers of beta-thalassemia live in Iran. Since the Iranian population is a mixture of different ethnic groups, it is necessary to determine the frequency  in the different parts of the country. Materials and Methods: This descriptive study is a cross sectional study with helping by professional...

The goal of this research is the evaluation of some of the effective environmental attractions on Khorasan Razavi’s sports tourism development. The research statistical population include of all in charge expert and professors in field of sport and tourism as 120 persons. This research is past-event descriptive that had been performed based on field method. Sampling had been performed as ...

Globally, the COVID-19 pandemic is a top-level public health concern. This paper an attempt to identify and in Iran using spatial analysis approaches. study was based on secondary data of confirmed cases, deaths, recoveries, number hospitals, hospital beds population from March 2, 2019 end November 2021 31 provinces hospitals website National Institute Health. In this paper, three geographical ...

High severity crashes are one of the negative consequences suburban transportation for a range factors. Fatalities, injuries, and medical costs, as well road car damage mental side effects, more important severe crashes. The goal this research is to figure out what factors contribute different crash levels, in order reduce likelihood such This study unique that it tries investigate capabilities...

A survey was carried out to investigate the frequency of hard tick species (Acari: Ixodidae) on sheep in Khorasan Razvi province. A total of 812 ticks were collected from the sheep of different areas of Khorsan Razavi province five species were identified as follow: Rhipicephalus turanicus (59.23%), Hyalomma.marginatum turanicum (25.73%), Hyalomma excavatum (14.8%), Hyalomma anatolicum (8.3...

Water shortage crisis is an issue that has led to drastic changes in different agricultural policies, especially in arid and semi-arid areas. Uncertainty in the amount of resources, e.g. water, used for agricultural production entails risk for farmers' income and cropping pattern changes. In the present study, the robust optimization model was used for optimal allocation of arable lands of Khor...

The Universal Thermal Climate Index (UTCI) addresses these shortcomings by using an advanced thermo-physiological model. The aim of this study was to investigate and prepare zoning of thermal comfort condition using UTCI. Meteorological data including temperature, wind speed, cloudiness and relative humidity were obtained on a daily time scale from 10 synoptic stations during (2004-2013) period...