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The radon (222Rn) and thoron (220Rn) fluxes from the soil and building materials are the major contributors to their indoor levels. Hence, the measurement of radon and thoron exhalation rates from the source matrix becomes the foremost step in controlling the indoor radon and thoron exposure. It is a challenge to measure the exhalation rates without disturbing the natural conditions. The back-diffusion phenomenon modifies the exhalation rate. The work presented here is to measure the back-diffusion coefficient and takes it into consid

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This informative article is safeguarded by copyright. All rights set aside.Marcello Fogolino (Vicenza 1483/1488 - Trento post 1558) ended up being an Italian artist associated with the Renaissance style. He worked early in his life underneath the artist Bartolomeo Montagna, but he had been additionally affected by Giovanni Speranza and Giovanni Antonio de' Sacchis (known as Pordenone). He had been banished from Venice, for complicity in a murder in 1527, and went to Trento wher