To determine the most prevalent biovar responsible for brucellosis in sheep and goat populations of Iran, a cross-sectional study was carried out over 2 years in six provinces selected based on geography and disease prevalence. Specimens obtained from referred aborted sheep and goat fetuses were cultured on Brucella selective media for microbiological isolation. Brucellae were isolated from 265...

events and accidents in drinking water distribution networks are among cases that lose water and increase the rate of non revenue water. network events in addition to wasting water can cause destruction, traffic jam, pressure reduction, pollution and enormous reconstruction costs.the main focus of this study is to statistically evaluate these incidents and to develop an analytical method to pre...

background: anecdotal information has suggested that sodium benzoate is used with more than permissible doses during production steps of food products especially pickles and pickled cucumbers in food producing factories in markazi province and other food producing factories . the present study was done to evaluate factual concentration of sodium benzoate in these products. methods: in this stud...