Free Access

Fig. 1

thumbnail

Panels a)d) Profiles of the Pb IV and Pb V spectral lines recorded at various discharge and detection conditions. Asterisks denote values taken from Zaidelj et al. (1977) not classified by ionization stages, while (Craw) is the abbreviation for Crawford et al. (1937) and (Smith) for Smith (1930).

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.