Introduction: Study of academic failure can be helpful in identification of students at the risk of academic defeat and consequently leads to the prevention of material and human resource loss. As a result, this study was performed to determine the trends of academic failure and the determinants affecting it in Zanjan University of Medical Sciences. Methods: In this descriptive cross-sectional...

Droughts event can be effect on available groundwater and water resources in the many components that it cause deficit. This purpose, for the deal with droughts hazard for make decisions it is necessary to monitoring and assessing droughts feature in point of view concluding severity, geographic extending. In this study the hydrological droughts analyzed based on the clustering, surface water i...

In this study, in order to analyze the trends of annual precipitation, the information from 21 synoptic meteorological stations located in the Urmia Lake basin in a 30-year time period (1986-2015) was used. For this purpose, the Sequential Mann-Kendall test was used. The date of sudden change (if exist) in the precipitation time series of each station was identified. Significance of the trend i...

Discourse is correlated signifiers in which social trends formed and interaction of »Self« and »Other« is constructed and reality means.  Semantic structures deals with identity. Political boundries cause the establishment of identities in political arena which means against the radiacal otherness. The question of this research is how the process of meaning of terrorism is analyzed by Iranian a...

Background and Aim: Skin cancer is the most common cancer in the world, which is associated with mortality, mortality and health care costs. Planning prevention and control of this cancer, information about its incidence rates and incidence trends is necessary. The present study aimed to determine the incidence rates and trends of skin cancer in Tehran. Methods: In this cr...

Background and Objectives: Disorders of height and weight growth are the most important health disorders affecting children younger than two in developing societies. Failure to treat these disorders can lead to the increased mortality and mental, emotional or physical disability. The objective of this study was to investigate the growth trends of children and the factors affecting it. Method...