Air pollution in the city of Tehran has been a major problem for the past three decades. The direct effects of hydrocarbon contaminants in the air are particularly important such as their carcinogenic, mutagenic, and teratogenic effects which can be transported to other environments via dry and wet deposition. In the present study, rainwater samples were collected and analyzed for 16 polycyclic...

Create, maintain and development of public transport network in metropolitan are important problems in the field of urban transport management. In public transport, maximize the efficient use of public fleet capacity has been considered. Concepts and technologies of GIS have provided suitable way for management and optimization of the public transports systems. In demand-responsive public trans...

The main objective of this research, Explain the effectiveness of advertising using the AIDA model in the private insurance companies in the metropolitan city of Tehran. This descriptive research study field and study population consisted of all clients are insurance companies that considering the population size is unlimited Sample size was determined using the formula of infinite sample size ...

This article studies emotional divorce and the sociological factors effective on it in the city of Tehran. The statistical population of the research includes all the families residing in the city of Tehran and the sampling methodology is two-stage random and cluster sampling method. The theoretical framework of the research is a combination of the theory of structural functionalism and the the...

Efforts have been made for surface ozone concentration measurements considering secondary reactions via actinometry. Pyro heliometry, pyranometry and spectrophotometry, idometry in Amir Abad station of Tehran city center parallel. In actinometry method consideration were to show solar radiation all different filters green, yellow, red dark by means 525 nm, 630 695 nm 721 parallel the same time ...

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