AT the beginning of this century, one of the facts most intriguing to chemists was the impossibility of concentrating some of the radioactive elements. Radium D, for example, a substance well ...

THIS note gives a brief account of a radioactive tracer technique for the detection and estimation of the short-lived aliphatic free radicals; it is being used in both dynamic and static experiments.

The CRP objectives will be the development of the use of natural radioactivity and naturally radioactive sediment for tracing (black sand tracing) and associated methodologies on the followings topics ...