background: pesticides are essential in modern agricultural practices but due to their biocide activity and potential risk to the consumer, the control of pesticide residues in foods is a growing source of concern for the general population. extensive application of such agents as organochlorine pesticides in farmlands and contemporary agricultural industries has led to undesired environmental ...

Background: Sewage sludge is rich in fecal coliforms, Salmonella, parasite eggs, and heavy metals that can cause disease humans. The aim of this study was to evaluate the quality outlet biosolids wastewater treatment plants (WWTP) Mazandaran province compare them with Environmental Protection Agency (EPA) standards. Methods: This carried out on Sari, Joybar, Babol, Babolsar, Nowshahr, Nowshahr-...

travel a lot. He received his primary education in Tehran and Babolsar and his high school education in Bandar-e-Anzali, Gorgan, and Tehran. Shamsa graduated as a general practitioner (GP) from the University of Tehran in 1950. His GP thesis was on the reservoirs of Leishmania tropica in Iran.2 Shamsa served as an assistant at the Pasteur Institute of Iran (PII) during 1949 – 1955. In 1955, he ...

Solitons and Other Solutions to Perturbed Rosenau KdV RLW Equation with Power Law Nonlinearity P. Sanchez, G. Ebadi, A. Mojaver, M. Mirzazadeh, M. Eslami and A. Biswas Department of Mathematical Sciences, Delaware State University, Dover, DE 19901-2277, USA Department of Mathematical Sciences, University of Tabriz, Tabriz, 51666-14766, Iran Department of Engineering Sciences, Faculty of Technol...

The present study was conducted in southern part of Caspian Sea, Iran. All samples were taken during 1995-1996 and 2006-2007 in 6 transects such as Lisar, Anzali, Sefidroud, Noushahr, Babolsar and Amirabad. The phytoplankton compositions were significantly changed with seasons (P<0.05). In compare to after Mnemiopsis leidyi arrival, the population of phytoplankton species were increased. Totall...

introduction coastal sand dunes are  important morphological forms in caspian coastal regions. these dunes are formed and developed under the influence of sediment influx, climate, impact of wind, waves, currents. these are parallel to the coastal characterisitics with enough space for expansion. the whole collection of these parameters are available in many coastal areas of the caspian sea , b...