“hedayat al-motealemin fi teb”, written by abobakr ebn ahmad akhaveini in the fourth century, (ah) is his only book left to the present time. from historical prospective, it is, by far, the first medicine book written in farsi. today, there are only three copies of the book kept in badlyan libraries of oxford, fateh library of istanbul and malek library of tehran. the reviews done on the three ...

batch culture of ralstonia eutropha using the recycled gas closed circuit culture system was conducted in order to develop a practical fermentation system for industrial autotrophic culture for poly (hydroxybutrate) production. the gas phase of the culture system consisted of substrate gas so that gases in this culture could be recycled as long as the amount of the gas consumed would be repleni...

Batch culture of Ralstonia eutropha using the recycled gas closed circuit culture system was conducted in order to develop a practical fermentation system for industrial autotrophic culture for poly (hydroxybutrate) production. The gas phase of the culture system consisted of substrate gas so that gases in this culture could be recycled as long as the amount of the gas consumed would be repleni...