abstract various mathematical water uptake models have been introduced for plants response to combined drought and salinity stress. the reduction functions are classified as additive, multiplicative and conceptual models. in this study six different macroscopic reduction functions, namely; van genuchten (additive and multiplicative), dirksen et al., van dam et al, skaggs et al and homaee were e...

background: anthropometric indices are widely used to assess the health and nutritional status of children the aim of the present study was determination of malnutrition and compare estimates of under nutrition among young children under 2 years of age from birjand city of iran using who growth standard and the national center for health statistics (nchs) references. methods: the cross‑sectiona...

Abstract As the groundwater quantitative monitoring aimed to determine factors affecting aquifer behavior plays an important role in its regional management, studying temporal and spatial level variations requires a comprehensive network. Effort has been made this study introduce new linked simulation–optimization method, named MLPG-TLBO quantitatively monitor Birjand optimal points for piezome...

background: during recent years, overpopulation, increase of wastewater, and drop in water tables has led to high concentration of salts in underground water, which is an important environmental pollutant. if concentration of salt in drinking water exceeds the limits, it will be dangerous for health. the aim of this study was to measure physical and chemical parameters in drinking water of rura...

Background Asthma and other allergic disorders are common health problems around the world especially in children and have a negative impact on quality of life. Allergic diseases are one of the leading causes of school absence as well as reduction in children performance at school. Epidemiologic Studies have shown that the prevalence of asthma and other allergic diseases have risen over the pas...

BACKGROUND The aim of the study was to investigate the relationship of self-esteem and depression with Internet addiction in university students. METHODS The present descriptive-analytic correlation study involved 408 students (150 female and 258 male) who had been selected by means of a cluster sampling method from among all the students studying in Birjand Islamic Azad University. Students ...