Sentences with phrase «lived radioisotopes»
OTOH, bombarding long - lived radioisotopes with neutrons can convert them either to stable isotopes or ones which decay much faster.
http://www.realclimate.org/
The cause of the heating can not be long - lived radioisotopes; given the primordial concentrations of the isotopes and the expected rate of heat loss, calculations show that the radioactive decay could not have melted Vesta or any other asteroid.
But what mechanism could have raised the temperatures of the asteroids to this extent if the rocky bodies were too small to retain the heat from long - lived radioisotopes?»
Other short - lived radioisotopes may also be present — possibly enough, a radiation expert who did not wish to be named told New Scientist, to warrant temporary relocation of local inhabitants.
Not exact matches
For dating ancient life (what lived millions, not just thousands, of years ago), the radioisotope world includes two camps: those who tell time by uranium and those who use potassium.
The radioisotope has a half - life of about 30 years.
Joanna Fowler has made significant contributions to brain research and the understanding of diseases such as addiction, which she studies using positron emission tomography (PET), an imaging technique that measures the concentration and movement of a positron - emitting radioisotope in living tissue.
are along with 7 in heaven speed dating which of the following is a radioisotope commonly used in dating archaeological artifact my life, why.
Keywords: radioisotope dating, 238 U, 235 U, 206 Pb, 207 Pb, uranium - lead dating, lead - lead dating, concordia, discordia, Pb - Pb isochrons, common Pb A Definition and Explanation of Half - life.
The appliances of 2014 will have no electric cords, of course, for they will be powered by long - lived batteries running on radioisotopes.