abstract microbial contaminants transport to groundwater is a serious environmental problem that can result in large outbreaks of waterborne diseases. some of bacteria can travel from vadose zone and cause contamination of groundwater resources. thus, an accurate prediction of transport and fate of pathogenic microorganisms in unsaturated soil is needed to protect groundwater resources. the mai...

The author presents a novel assessment of some 270 objects, most them carrying an inscription in Aramaic. These mainly mortars and pestles (and fragments thereof) made from green chert were, although produced Arachosia, found Persepolis. While the interpretation first editor, R. Bowman, these items as ritual objects has never met with approval, their purpose so far been elusive. By means quanti...

in order to lighten the prestressed concrete solid members, nowadays, it is possible to make use of the advantage of hpc (fc'>60 mpa) as well as replacing the solid section with a psc thin-walled section for certain members such as circular and box columns. using the strength theory of aci, a numerical procedure along with a computer program was developed for the analysis of such sections ...