Nature protections from large-scale fires in different countries of contemporary world become critically necessary and the development of novel electronic information systems with detectors of substances emanated during fires become an urgent problem. Progress of such detectors recording the presence of chemical substances -environmental pollutants becoming now an important task, and the article proposes the theoretical bases for its solution. Such detectors have to contain sensory elements with chemo-sensitive membranes, coatings and/or layers of specific substances. Being in contact with chemicals, such detectors have to demonstrate chemo-sensitivity and, preferably, ability for preliminary identification of these substances. Conducted studies were focused on further development of devices for the detection of various environmental pollutants as well as combustion products. This publication can form the theoretical basis for the development of artificial detectors with chemo-sensitive surfaces. The purpose of present work was to form the theoretical basis for the development of devices for the detection of some harmful chemical substances in environment, including ones emanated during fires and other emergencies, in particular, during accidents at enterprises of oil and gas cycle, chemical enterprises, other industries.

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