Abstract:
The role of $\mathrm{H}\dot{\mathrm{O}}_2$ radicals in the kinetics of the gas-phase oxidation of hydrogen-containing substances is considered. It is shown that at a high concentration of active centres, for example, when the latter are generated under the influence of a fairly powerful radiation source, non-linear reactions of $\mathrm{H}\dot{\mathrm{O}}_2$ radicals, i.e. their interaction with one another and with other active species, become important. These processes play an important role in the following kinetic systems considered: at the second limit in mixtures of hydrogen with oxygen under the conditions of artificial chain initiation; in the region of Earth's ozone layer; in lasers based on the reactions between $\mathrm{H}_2$ and $\mathrm{F}_2$.
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