the most commonly used utility functional forms are reviewed and their properties compared. then, using data collected from west azarbaijan province, utility functions are estimated and absolute risk aversion coefficients measured. exponential and expopower utility functions classified all farmers as risk averse, but quadratic and cubic utility functions classified 75% and 65% of farmers as...

Seed dormancy of wild mustard (Sinapis arvensis) could be changed through seed storing. The seeds were collected from four regions: Fars, West Azarbaijan, Khuzestan and Mazandaran provinces. They were stored at three different temperatures (-18, +3 and 22-25°C) for 3, 6, 9, 12 and 15 months. They were then put under suitable condition for germination. Mean germination time for seeds was measure...

Introduction Because of shortage of water resources in the world, it seems necessary to refine wastewater, particularly in arid and semi-arid areas such as Iran. Correct treatment, management and the control of refining process needs to investigate about effective parameters in this process. Therefore, because of the uncertainty and complexity in finding qualitative parameters and their relatio...

The present study aimed at ranking and selecting the superior geothermal project for hydrogen production in 14 provinces of Iran using a multi-objective optimization fuzzy hybrid approach through analyzing the ratio (fuzzy Moora) and expanded entropy weighting method. In this research, the extended entropy weighing method and the Fuzzy-Moora approach were utilized to weigh the criteria and proj...

T ourism is one of the most invaluable industries in the world, attracting millions of foreign tourists every year. In terms of historical and cultural attractions, Iran is among top 10 countries, however, it has a small share of foreign tourist's arrival. Iran's tourism boom depends on providing the suitable conditions for the arrival of tourists, included service elements (i.e. hot...

Neuroendocrine tumors are most often located in the intestine and lungs but they can arise from other areas of the body. Limited data is available on epidemiology and clinical patterns of neuroendocrine tumors in Iran. We analyzed medical records of 34 patients from 2 cancer centers (Emam Khomeini hospital and Omid Charity Cancer Center) in west Azarbaijan province of Iran with neuroendocrine t...

neuroendocrine tumors are most often located in the intestine and lungs but they can arise from other areas of the body. limited data is available on epidemiology and clinical patterns of neuroendocrine tumors in iran. we analyzed medical records of 34 patients from 2 cancer centers (emam khomeini hospital and omid charity cancer center) in west azarbaijan province of iran with neuroendocrine t...

Mycoplasma synoviae (MS) is a pathogen responsible for respiratory and locomotor disorders and causes major economic losses in poultry industry. Early and accurate diagnosis of MS infection plays a major role in control of the infection. This study was conducted to characterize Iranian field isolates of MS isolated from broiler chickens of West Azarbaijan province (Northwest of Iran), ...