The aim of this study was to assess the regional effects of fire on the surface cover and forage production of mountainous rangelands of Delfan County, Lorestan province, Iran. The fire took placed in June 2007 with significant effects on the vegetation characteristics in the study area. Four fire affected sites were selected for sampling and a close area without fire was considered as control....

the sassanid rulers’ endeavor to establish an empire led to a substantial change in the previous ruling system and to the foundation of a new order. the founders of the empire enjoyed the legacy of parthian and other preceding rules. they were fully acquainted with the concept of sh?hansh?hi (‘king of kings’) which aroused in parthian and other preceding rules on the one hand, and with zoroastr...

the risks of fire and explosion in oil and gas industry need to be managed. the objectives of the present study were to assess the risk of fire and explosion in iso-max unit of tehran oil refinery using dow’s fire and explosion index and to study the influences of the controlling methods. the latest version of dow fire and explosion index guideline was applied to calculate the fire and explosio...

the purpose of this study was to compare symptoms of ptsd among war affected people and employees in the fire station. totally, 60 people affected by war and 60 fire workers were selected using simple random sampling. by completing pcl inventory, samples of ptsd were characterized. data was analysed through spss software by independent t-test. as the results showed, severity of ptsd symptoms am...

fire blight is one of the most destructive diseases of stone and pome fruits. the causal pathogen is erwiniaamylovora, species in the family enterobacteriaceae. pears are the most susceptible, but apples, quinces and some other rosaceous plants are also vulnerable. in iran, the disease has been reported for the first time in baraghan in alborz province (zakeri & sharifnabi 1991). fire blight pr...