the abo and rh blood groups of 9753 pregnant women were determined in the amin maternity hospital, isfahan, iran, from march 23, 1976 to july 11, 1977. their abo blood group frequencies were calculated as follows: 0=38.20%, a=30.67%, b=23.84% and ab=7.26%. also, 90.02% of the women were rh positive and the rest, namely, 9.98% were rh negative.

The climacteric nature of ‘Barhi’ dates makes their shelf life very short after harvest. This research aimed to explore the impact using different packaging materials along with reducing negative effects ethylene gas on quality date fruit by determining changes in physical and chemical characteristics stored fruit. For this purpose, fruits were picked during Khalal stage three [carton boxes (co...