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The raw and oxidized multi-walled carbon nanotubes mixed with H2SO4/HNO3 were used to remove PNA from aqueous solutions. Heat recovery using nanotubes was performed in two stages. The effective factors on PNA removal were studied. The adsorption isotherms and kinetic reactions were determined. Optimal conditions for a real solution of petrochemical wastewater were performed to evaluate the PNA adsorption...
This study deals with the problem of maintaining large hierarchy folder replicated in a distributed environment. It was found that this problem afflicted a number of important applications, such as synchronization of Hierarchy Folders between Peer-to-peer environments, synchronization of data between accounts or devices, content distribution and web caching networks, web site mirroring, storage networks,...
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