Small particles in gaseous systems are called clusters, aerosols, dust particles, Aitken particles, etc., depending on their size, the media where they are observed, and the field of science in which they are studied. Below we call clusters systems of bound atoms or molecules containing from several atoms (molecules) up to thousands, so that their structure can be essential for determining their properties. If clusters are like bulk systems, we call them small particles. The principal pecu liarity of clusters is with respect to magic numbers of cluster atoms that correspond to a heightened...

This collection of nine articles, translated from the 1987 Russian edition, begins a new series. The topics include recommended data on the rate constants of chemical reactions among molecules consisting of nitrogen and oxygen atoms, metal dimers, laser magnetic resonance studies of processes involv

Research of processes involving Nanoclusters and Microparticleshas been developing fastin many fields of rescent research, in particular in materials science.

To stay at the cutting edge of this development, a sound understanding of the processes is needed. In this work, several processes involving small particles are described, such as transport processes in gases, charging of small particles in gases, chemical processes, atom attachment and quenching of excited atomic particles on surfaces, nucleation, coagulation, coalescence and growth processes for particles and aggregates.

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