Radiation enhancement nature

Bosnjakovic, B., P.H. van Dijkum, M.C. O Riordan, and J. Sinnaeve, eds., Proceedings of Exposure to Enhanced Natural Radiation and Its Regulatory Implications, Sci. Total Environ., Volume 45 (1985)... 

Jacobi, W. and Paretzke H.G. 1985, Risk Assessment for Indoor Exposure to Radon Daughters, In Proceedings, Seminar on Exposure to Enhanced Natural RAdiation and Its Regulatory Implications, Maastricht, the Netherlands, March 25-27, Elsvier Science Publisher, Amsterdam. 

Reineking, A., Becker K.H. and Porstendorfer, J., Measurement of the Unattached Fractions of Radon Daughters in Houses, Presented to the Seminar on Exposure to Enhanced Natural Radiation and its Regulatory Implications, Maastricht, The Netherlands (1985). 

We have previously documented the methodology (Marks et al., 1985a) and presented a summary of the technique (Marks et al., 1985b) at the Maastricht, The Netherlands, Seminar on Exposure to Enhanced Natural Radiation and Its Regulatory Implications. This paper represents a synthesis of the work we have conducted to date on risk assessment at uranium mill tailings vicinity properties. 

Guimond, R.J., Regulation and Guidelines for Enhanced Natural Radiation in the United States, Science of the Total Environment 45 641-646 (1985). 

Estuarine solar radiation + enhanced UV-B 15 28 yes natural assemblage [21]... 

Spectral flame radiation measurements for natural gas (5 kW) combusted with pure Oj contents for different equivalence ratios. (From Ji, B., and Baukal, C. E., "Spectral Radiation Properties of Oxygen-Enhanced/Natural Gas Flames," Proceedings of 1998 International Gas Research Conference, Vol. 5, 422-33, November 8-11,1998, San Diego, CA, 1998.)... 

Baukal, C. E., and Gebhart, B. "Oxygen-Enhanced Natural Gas Flame Radiation." International Journal of Heat and Mass Transfer 40, no. 11 (1997) 2539-47. 

Ji, B., and Baukal, C. E. "Spectral Radiation Properties of Oxygen-Enhanced/Natural Gas Flames." Proceedings of 1998 International Gas Research Conference, edited by... 

Ramachandran tv and Mishra UC (2002) Tech-nologicaUy Enhanced Natural Radiation due to Coal-Fired Power Plants in India. In Peter J, Schneider G and Bayer A, eds. Proceedings of the 5th International Conference on High Levels of Natural Radiation and Radon Areas, pp. 321 — 327, Munich, September 2000. 

Corrosion products include iron oxide (Fe203), ferrosoferric oxide (Fe304), nickel oxide (NiO), cobalt oxide (CoO), and complex Fe, Ni, and Co oxides. Cobalt in particular may present a problem (as cobalt59, a naturally occurring isotope), and when present as a contaminant in nickel alloys (such as Inconel 800), may enhance the development of an outer-core radiation field (see Section 7.4.1). 

Comparison with other Studies. How do the results of our investigation compare with similar studies Our results corroborate the data provided in a similar study of the effect of UV-B on primary productivity in the southeastern Pacific Ocean (35). In the latter study, it was noted that enhanced UV-B radiation caused significant decreases in the productivity of surface and deep samples. Compared to ambient, primary productivity decreased with increasing doses of UV-B. In another study in which in situ experiments using natural Antarctic phytoplankton populations, it was noted that incident solar radiation significantly depressed photosynthetic rates in the upper 10-15 meters of the water column (36). It was also found that the spectral region between 305 and 350 nm was responsible for approximately 75 percent of the overall inhibitory effect. 

The basic features of an epr spectrometer are shown in Figure 2.95. The microwave source is a Klystron tube that emits radiation of frequency determined by the voltage across the tube. Magnetic fields of 0.1 — 1 T can be routinely obtained without complicated equipment and are generated by an electromagnet. The field is usually modulated at a frequency of 100kHz and the corresponding in-phase component of the absorption monitored via a phase-sensitive lock-in detector. This minimises noise and enhances the sensitivity of the technique. It is responsible for the distinctive derivative nature of epr spectra. Thus, the spectrum is obtained as a plot of dA/dB vs. 

COOLEY, N.M., HOLMES, M.G., ATTRIDGE, T.H., Growth and stomatal responses of temperate meadow species to enhanced levels of UV-a and UV-a+b radiation in the natural environment, / Photochem. Photobiol., 2000, 57,179-185. 

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