natural, renewable, biodegradable and low pollution hemp fibers are an alternative to trees xylem and artificial fibers. in this study, xylem and bast fiber properties of six iranian hemp populations including length, width, wall thickness, lumen width and wall index were measured and compared. to this purpose, collected population seeds from different parts of iran were nursed in a controlled ...

background: safety culture and attitude form an integral part of organizations' cultures and their improved levels are influential in the prevention of occupational accidents and injuries. the present study was conducted to assess the safety culture and attitude of workers in the mining industry in iran. materials and methods: the present cross-sectional study was conducted on 172 workers ...

  To determine the prevalence of trichomoniasis in Sirjan city, the vaginal discharges of 500 women were examined by direct smear and culture methods from June to December 1992. ( Two hundred thirty women referred to vali-asr polyclinic and 270 to the health center number 3). The mean age of the women was 30 years and a higher percentage of referrals were between 30-34 years. In respect to the...

Background & Aim: Since traditional knowledge is base of producing new herbals and other natural products, and old people of ancient cities know about characteristics of such herbals, therefore, death of such people will gradually causes demolishing of their knowledge about herbals. Therefore, it seems it is necessary to register and save such information. The goal of this research is to study ...

Abstract New detrital U–Pb zircon ages from the Sanandaj–Sirjan metamorphic zone in Zagros orogenic belt allow discussion of models late Neoproterozoic to early Palaeozoic plate tectonic evolution and position Iranian microcontinent within a global framework. A total 194 valid age values 362 grains were obtained three garnet-micaschist samples. The most abundant population included Ediacaran ag...