water quality in each area, indicates the impact of geology, climate and anthropogenic pollutants. monitoring of water quality in most cases result in complex data which shows the perfect act of water resources, so they need appropriate method for analyzing. in this study hydro-chemical evaluation of hiv basin which located in west of hashtgerd have been done. to measure the concentration of ma...

W hen the Internet Engineering Task Force approved Internet protocol version 6 several years ago, proponents acclaimed it as a major development. Since then, IPv6 (see the sidebar " IPv6 Primer ") has received support only in some areas. In Asia, for example, the profusion of smart cellular phones and PDAs has caused the demand for IP addresses to outstrip the limited supply provided by IPv4, t...