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ATTENUATION STUDIES ON DRY AND HYDRATED CROSS LINKED HYDROPHILIC COPOLYMER MATERIALS AT 8 02 TO 28 43 keV USING X RAY FLUORESCENT SOURCES
Abstract: Hydrophilic copolymers which consist of a combination of hydrophobic monomers (methyl methacrylate, MMA) and hydrophilic monomers (vinyl pyrolidone, VP) have all the required major elements such as hydrogen, carbon, nitrogen and oxygen,
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