Abstract: Four thermal diffusion chambers with parallel plates, having different geometric characteristics, modes for reaching supersaturation (on cooling or heating the plates) and droplet-counting techniques, have been compared ...

Abstract: Systematic measurements of cloud condensation nuclei (CCN) concentration have been carried out in the Abidjan area from December 1977 to June 1978, at 0700 local time (corresponding to a daily maximum). In that period of ...