The lack of proper strategies for the management of the urban environment has made the relevant organizations face with numerous and complex problems in this regard. The present study was conducted in Tabriz metropolis as one of the major cities in the northwest of Iran. Using Delphi method, strategies for the management of the urban […]
ABSTRACT: The preset study investigated heavy metals located on the leaves of street side trees in crowded areas of Tehran in order to evaluate the metal pollution caused by cars. Contamination factor, Index of geo-accumulation, enrichment factor, modified degree of contamination, and Pollution load index were used to describe the pollution of the environment and […]
Lightweight expanded clay aggregate due to its physical and chemical properties; it can increase the process of adsorption and ion exchange. In this study, the efficiency 2 types of Lightweight Expanded Clay Aggregate in reducing the amount of COD, BOD, TSS, nitrate and phosphate in dairy industry wastewater were investigated and the impact of different factors […]
Dez River is considered as one of the highest water rivers after Karoon River, supplying water for tens of towns and villages as well as thousands of acres of agricultural lands, several fish farming plans and industrial factories. Hence, the water quality of Dez River is one of the major concerns of the area. This […]
The aim of this study was to compare the components of children’s physical fitness in relation to the role of air pollution in Tehran, Iran. The research method was a causal-comparative study. To achieve the research goals, 80 students of elementary school in fourth grade (10.3 ± 0.1) in Tehran, Iran were selected through available […]
As result of density difference between seawater and fresh water in coastal aquifers, a transition zone between two fluids is formed. A wedge of saltwater can be entered in coastal areas to the aquifer. Seawater intrusion rate and extent of transition zone depends on several factors including: changes in sea level, aquifer characteristics, hydrologic conditions […]
Water security problems are becoming more and more challenging in Iran for several reasons such as population growth, urbanization, land-use change, unsustainable water use and climate change. All the mentioned reasons result in an increase in the human exploitation of water resources and consequently increasing anthropogenic impacts on rivers, flood plains, and fresh groundwater. Therefore, […]
Contamination of water resources by pesticide toxins is considered as one of environmental issues which is because of plant pest diversity and subsequently use of various toxicants. In previous decades all over the world, the usage of organophosphorus toxins in order to preservation of agriculture products expanded. In Gilan province (Iran) there are numerous agriculture […]
With the advent of the industrialized and modern architectural technologies in rural areas, the existing vernacular architect has been diminished eventually. Using the modern and nonecological materials and technologies have caused the native human impact and a lot of damages to the rural environments. Using the vernacular and traditional principles is a great solution to […]
This study aims to evaluate efficiency of saponin, a bio-surfactant, in removal of heavy metals like nickel and vanadium from the soils which are smeared by crude oil and it was conducted according to properties of soils locating within Shahid Chamran oil Pump Station in 2016. For this purpose, after conducting primary studies and in […]
