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Ore Concentration Coefficient in greece

945 dwellings Only in a subgroup of 120 dwellings in selected areas in Greece we checked any possible correlation between indoor radon concentration and radium content of the substrate soil but the linear correlation coefficient was very low Key words 222Rn indoor concentration building materials soil survey INTRODUCTION... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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