PubMed · 4731699
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W Wundt. 1973-02-16. [Ventilation problems].. https://pubmed.ncbi.nlm.nih.gov/4731699/
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As part of an ongoing project to assess the population dose from indoor radon and its daughters in India, a set of parallel measurements was made in more than 150 houses of different types to estimate indoor radon and progeny levels. Time-integrated solid state nuclear track detectors were employed for the measurement of radon concentration and potential alpha energy exposure level. From these values the equilibrium factor (F) between radon and its progeny was estimated for each house. An average F value of 0.39 was obtained.
One of the basic conditions, enabling the healthy living in flat houses, is the securing of thermoisolation properties of peripheral building elements. The presented study deals with the verification of thermoisolation properties by the method using the liquid crystal thermoindicators and thermographic sheets. The applied method is effective, sufficiently precise and mobile, allowing the estimation of thermoisolation properties of building elements, namely in practice.
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