AIM Present study calculates and analyzes Cost of illness of tuberculosis in Tehran. PATIENTS AND METHODS This study was a descriptive analytical study conducted among 121 patients in two stages in 2011. In the first stage, questionnaires were collected by reviewing patient records and phone interviews with patients. The second stage deals with the calculation of costs. For cost calculation, ...

1Endocrine and Metabolism Research Centre, Doctor Shariati Hospital, Tehran University, Tehran, Islamic Republic of Iran. 2Health Research and Education Unit, Healthcare Organization, National Iranian Oil Corporation, Tehran, Islamic Republic of Iran. Received: 30/07/02; accepted: 27/03/03 ABSTRACT To estimate the direct cost of coronary heart disease (CHD) to the Iranian oil industry, we calcu...

the objective of this study was to consider economic consequence of delayed conception of milking cows in large dairy farms in iran. optimum open days and milk production at peak were assumed to be 110 days and 45 kg respectively. price of milk, feed, semen and hormones were calculated based on average prices of autumn, 2013. results of this study showed that increasing days in milk (dim) from ...

Automatic milking systems (AMS) offer relief from the demanding routine of milking. Although many AMS are in use in Europe and a few are used in the United States, the potential benefit for American farms is uncertain. A farm-simulation model was used to determine the long-term, whole-farm effect of implementing AMS on farm sizes of 30 to 270 cows. Highest farm net return to management and unpa...

This study evaluates the application of an anoxic side-stream reactor in the sludge return line of a conventional activated sludge system for the reduction of biomass production. The oxidation-reduction potential was maintained at -150 mV while the applied sludge loading rate was modified by changing the percentage of return sludge treated in this reactor. The observed yield from the convention...

The incremental elimination or hydroxy functionality in an organosolv lignin by ethylalion or acetylation dramatically innuenced the state of miscibility and resulting morphology or blends prepared with hydroxypropyl cellulose (HPC). A maximum level of interaction between the blend components, as determined from melting point depression, oa:.urred where 23-40-1. or the hydroxy groups were subst...