The charging process consists of moving a hopper vehicle to the charging position, charging coal (e.g. with belt feeder or screw feeder), then waste plastics, and finally covering with coal, and moving to the coke oven. Bal~z, P. et ,l. Fuel, 2001, 80, (5), 665-671. The aim of this work has been to
Assessment of radon concentration in Egyptian dwellings by using a passive technique
✍ Scribed by G.M. Hassib; M.I. Hussein; H.A. Amer; E. Piesch
- Publisher
- Elsevier Science
- Year
- 1993
- Weight
- 180 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0969-8078
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✦ Synopsis
In this work, the KFK-Passlve radon dosimeter was used to evaluate the radon oon~ntratlon in s~ ~/ptian dwellings. The suz~ ~em includes indoor and outdoor measurmnts during sul~r and winter seasons. Measurements were carried out in different heavly populated towns. Results have shown that indoor radon concentrations in Egypt varies between 47 and 3 Bq/m 3 with a moan value of 13 Bq/m 3 in the winter and 7 in the sumner. The difference between indoor and outdoor was found to be relatively small due to the non-tlght building style in Egypt.
Meesur~nt8 were made also in towns nearby black sand depos£ts at the outlet of the River Nile. No significant dlfferenco was observed in the mean radon concentrations compared with Cairo and Alexandria.
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The steroid hormone-receptor complex concentrations measured by "differential dissociation" techniques have to be corrected to obtain the true concentrations of receptor binding sites (B,). For the calculation of B,, the parameters kn (product of the equilibrium association constant and the concentr