Abstract: The method of pH controlling during electrolytic fermentation processes of the organic substrates includes placing the biological and chemical reagents in a fermentation tank, placing the electrodes powered by the direct current in the fermentation tank chambers, switching on the constant voltage initiating electrolytic processes with a value from 0.1 to 50 V, generating H+ or OH? ions around the electrodes, reading the data from the glass electrode, changing the power parameters of electrodes, depending on the set pH value of the reaction medium, and starting a pump metering the liquid from the auxiliary chamber into the fermentation tank chamber through a dispensing connector. The object of the invention is also the reactor for carrying out this method.

Abstract: The composition for stabilizing clay-loam soils in the form of a liquid solution includes at least one multifunctional organic compound in the form of derivatives of aromatic or heterocyclic, or alicyclic, or aliphatic compounds, in an amount of 20-40% by weight of the total composition. There is at least one acidic surfactant in an amount of 2-10% by weight of the total composition. There is at least one trivalent metal compound in an amount of 1.0-2.5% by weight of the total composition. There is also sulphuric acid, in an amount of up to 100% by weight of the total composition. The method of preparation and the method of stabilizing clay-loam soils involve the composition.

Abstract: The free space absorber based on an absorbent material containing conductive dipoles dispersing EM waves, includes a conductive substrate reflecting EM waves and a conductive grid located on the surface of the absorber.

Abstract: The composition for stabilizing clay-loam soils in the form of a liquid solution includes at least one multifunctional organic compound in the form of derivatives of aromatic or heterocyclic, or alicyclic, or aliphatic compounds, in an amount of 20-40% by weight of the total composition. There is at least one acidic surfactant in an amount of 2-10% by weight of the total composition. There is at least one trivalent metal compound in an amount of 1.0-2.5% by weight of the total composition. There is also sulphuric acid, in an amount of up to 100% by weight of the total composition. The method of preparation and the method of stabilizing clay-loam soils involve the composition.

Abstract: The coating for absorbing energy, especially the energy of electromagnetic and mechanical waves, is applicable in electrical and electronic devices and inside buildings. The coating has a substrate in the form of metal sheet or polymer plate, on which at least one absorber layer is applied. The absorber layer is in the form of loose or compressed powder grains, pellets, beads or gel, on which a polymer layer is placed. The coating absorbs energy.

Abstract: The method of pH controlling during electrolytic fermentation processes of the organic substrates includes placing the biological and chemical reagents in a fermentation tank, placing the electrodes powered by the direct current in the fermentation tank chambers, switching on the constant voltage initiating electrolytic processes with a value from 0.1 to 50 V, generating H+ or OH? ions around the electrodes, reading the data from the glass electrode, changing the power parameters of electrodes, depending on the set pH value of the reaction medium, and starting a pump metering the liquid from the auxiliary chamber into the fermentation tank chamber through a dispensing connector. The object of the invention is also the reactor for carrying out this method.