background: we aimed to determine the frequency of liver copper storage diseases in iranian children with cryptogenic chronic liver disease (cld). materials and methods: one-hundred and twenty children (52 girls, 70 boys; age range: 3 months-14 years) with cld who attended children's medical center in tehran, iran during the years 1997 through 1999, were enrolled. all viral, metabolic and autoi...

continuous and lengthy droughts in previous years not only in the southern provinces of iran but also in the whole country necessitate optimized water management. indian ocean and adjacent seas in south of iran are suppliers of part of the humidity in the region and the variation on indian ocean sea surface temperature has an important role in evaporation from oceans and input humidity into atm...

Disassembly sequence planning (DSP) is a key approach for optimizing various industrial equipment-maintenance processes. Finding fast and effective DSP solutions plays an important role in improving maintenance efficiency quality. However, when disassembling equipment, there are many uncertainties that can have detrimental impact on the disassembly subsequent work. Therefore, this paper propose...