نتایج جستجو برای: smart structure
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asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...
Never carrying change. Needing only one identification card. Downloading concert tickets. Providing access to buildings. Tracking frequent flyer programs. Smart cards are the technology that allows each of these functions to occur. Although the technology evolved in the 1980s, it was only used for simple functions like pay phones. In the last decade, there has been a rapid increase in the use a...
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