Some Measurements on the Radioactivity of the Air in Santiago de Chile |
Common terms and phrases
actinium AIR IN SANTIAGO air is equilibrium amount of air amount there remains Atomkernergie atoms decayed background BARENDREGT Unesco C₂ Católica de Chile changing pumping velocity CHILE by E. P. CHILE SOME MEASUREMENTS counts due Curie per m³ Curie/m³ daughter product decay constants dN₂ E. P. HEILMAIER Instituto emanations equilibrium in air Erich Bagge experimental curve filter Física y Astronomía following values half-life-time integral curve L/min Liter of air long compared long living substances long pumping m³ air N₁ N₂ N₂(T natural series number of atoms number of counts number of daughter number of desintegrations numerical values obtained product per Liter Ra B atoms Ra BC radioactive substances Radium products Radon and Thoron ratio relation SANTIAGO DE CHILE semi-theoretical expression short pumping substances as Sr90 Taking in account Th B atoms Th B+ theoretical Thorium products total amount total number UNIVERSITY OF CHILE UNIVERSITY OF VIRGINIA