The article contains the approaches of improving the reliability and environmental safety of cleaning waste water treatment plants in the industrial environment, with the help of the express - control methods (oxidation - reduction potential respirometry) and modern technology (biologics, intraband circulation biomass)
Keywords: safety, environmental safety, sewage treatment, waste water, oxidation - reduction potential, respirometry, biologics, intraband circulation biomass
The article describes the experience of the device of pile foundations under the multi-storey building in difficult engineering-geological conditions in Rostov-on-don
Keywords: Drilling piles, test, conductor pipe, sandconcrete, foundation
The problems of the modification of voltage inverter circuit are considered and using of a DC power source in the realization of function of boosting voltage converter.
Keywords: Active rectifier, voltage converter, inverting converter, multi-channel power supply , the conversion factor.