The radioactivity concentration of environmental radionuclides was analyzed for soil and
sand at eight locations within a radius of 255 m centered on the Dongnam Institute of …

Natural and fallout radioactivity were estimated in topsoil samples collected in eastern
region of Shangrao Prefecture, China. The average activity concentrations of 238 U, 226 Ra …

In this study, we investigated the activity concentrations of natural (226 Ra, 232 Th, 40 K)
and artificial (137 Cs) radionuclides of soils in Jeju Island, and radiation hazard indices …

This paper presents the evaluation of natural radioactivity and radiological hazards of the
terrestrial naturally occurring radionuclides of^ 226 Ra 226 Ra,^ 232 Th 232 Th and^ 40 K …

The present study aims to obtain the baseline data on natural and fallout radioactivity and to
evaluate radiation hazards caused by ionizing radiation emitted from 226 Ra, 232 Th, 222 …

The concentrations of natural and artificial radionuclides in soil and gamma ray dose rate in
air at 233 locations in Korea have been determined. The national mean concentrations of …

An analysis of natural radioactivity in soils collected around Chinese Nuclear Test site is
presented. The radioactivities of 238 U, 226 Ra, 232 Th, 40 K, and 137 Cs were determined …

We investigated the amounts of radiation exposure from $^{238} U $, $^{232} Th $, and
$^{40} K $ which are three major radionuclides naturally residing in soil of the Korean …

The concentrations and activity ratios of 90Sr, 137Cs, 239+ 240Pu and 238Pu in surface
soils (0–5cm) of Korea were determined. The concentrations were in the range of 1· 10–13 …

The activity and gamma-absorbed dose rate due to the naturally occurring radionuclides in
the terrestrial environment such as 238U, 232Th and 40K were determined in soil and rock …