The "lead method," involving the determination of the ratio of Pb to U+Th by chemical analysis, and its correction for "common" Pb content by measurement of ratios of the Pb isotopes is the most ...

It is often appropriately assumed, based on both theoretical and empirical considerations, that airborne exposures in the workplace are lognormally distributed, and that a worker's mean exposure over ...

Powerful, safe batteries are a key component in the success of electric mobility. This makes measuring a battery's capacity and state a crucial factor. The most informative method of doing this is ...