The article is devoted to the study t thermalprehistory of the reaction mixture components (aqueouslead salt solution and alkaline thiourea solution. Kineticcurves of PbS deposition obtained. It is necessary toconsider the prehistory for reproducibility of the filmsstructure and properties.

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The purpose of this study was to investigate thepossibility of obtaining the maximum amount of molecularhydrogen from salt solutions under the action of a constantelectric field. Electrodes create an electric field, isolatedfrom each other, i.e. the current in the water is 0. The paperpresents the results of the studies observed after treatmentof water by a constant electric field.

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The work provides a step-by-step algorithm ofsynthesizing an optimally organized chemical engineeringsystem of non-uniform structure on the basis of theinformation approach. The information cost criteria is usedfor choosing an optimal solution.

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