Investigated concomitant radioactivity of some lignite in the subregion of aggregative coal in west Yunnan Province,paying special attention to the concomitant radioactivity level about paragenesis between germanium and coal in the Lincang basin and another coal mine in Luxi.

The radioactivity level of RE elements and their alloys are discussed.

This paper has discussed the airborne monitoring of radioactive contamination formed during exploitation and utilization of iron ore and coal ore, analyzed the Gamma Radiant Eminence Map of China, and determined several relatively high radioactivity level regions, thus showing the effects of airborne radioactivity survey.

Individual dose to public resided in different sub-region of Yangtze valley and collective dose for the whole of Yangtze valley are estimated according to various irradiation pathways on the basis of the results of investigating the radioactive level on Yangtze River system.

The radionuclide contents of typical granite stones have been measured, and their radioactive levels are evaluated according to the National Standard 《 Limit of radionuclides in building materials 》(GB 6566-2001).

[Results] The outdoor natural radiation level and the radioactivity level in samples of the environmental media were on the normal background lev.

The Radioactivity Levels in the Main Lakes of Shandong Basin in East Line of South to North Water Diversion;