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Get Price· The plots of Fe normalized Cu vs Pb and Zn vs Pb from school soil and dust this study and road dust Rahman et al 2022 as well as the upper continental crust Taylor and McLennan 1985 as a background show their distribution positions and a gradient of the magnitude of pollution Figs 4a b The ratios of Cu/Fe and Zn/Fe against Pb/Fe in school …
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Get Price· Abstract Nanosized C 60 powder was sufficiently incorporated with Cu 2 GeSe 3 powder by ball milling and C 60 /Cu 2 GeSe 3 composites were prepared by spark plasma sintering C 60 distributed uniformly in the form of clusters and the average size of cluster was lower than 1 μm With the addition of C 60 increasing the electrical resistivity and Seebeck …
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Get Price· Cu 35% Zn 1% Pb aluminum 6061 steel 1045 and alumina porous and non porous to uniaxial compression using the Instron Model 4206 Fig Two measurements of the initial gage dimensions of the specimens were taken and averaged to obtain the dimensions that appear in Table The samples were then placed between the compression anvils to …
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