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The containment reservoir is where water accumulates during the flood season, one of the facilities that are absolutely essential for the proper functioning of every city. Use of this type of site as an open public space, regardless of water filling.
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??????, добавлен 22.04.2021The traditional irrigation method, based on simple open canal systems, is extremely ineffective for managing critical and limited water resources. Conduct a qualitative assessment of irrigation water losses due to evaporation and system inefficiencies.
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??????, добавлен 29.07.2017Definitions and models of control in water supply and sanitation industry. Concession model of control sanitation industry in international practice. Condition of networks and evolution of model. Research limitations and future research directions.
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??????, добавлен 21.12.2016Models which adequately combine technological parameters with indicators of treatment quality have been designed for the cavitation cleaning processes of sewage from organic admixtures. Water of industry and public water use it is considered as sewage.
??????, добавлен 14.09.2016The main objective is the operation of heating systems heat supply residential, public and industrial buildings and structures in order to provide municipal needs (heating, ventilation and hot water supply). Checking calculation of heat supply systems.
??????, добавлен 10.03.2019? technology for manufacturing composite materials - flocculants-coagulants on aluminum-silicon and iron-silicon base. The evaluation of the effectiveness of the developed flocculants-coagulants for cleaning of natural water and industrial wastewater.
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??????, добавлен 11.03.2019Development of methods for heat engineering tests of hydrodynamic pumps. Processes which occur in activator with water thermal hydrodynamic pump. Water flow speeds in a system. Gas bubbles are the product of centrifugal force effecting on carrier flow.
??????, добавлен 01.08.2016A resource-saving technology complex processing of highly mineralized mine waters of mining enterprises of the Kryvyi Rih iron ore basin has been developed. Of all the known methods of water desalination, the only method in this case is reverse osmosis.
??????, добавлен 26.12.2023????? ????????? ??????????????? ????????. ???????? ????? ? ????????? ? ???????? MOCVD. ???????????? ????????? GaN ?? ????????? ?? ??????? ???????. ???????? ???????? ? ????? ?????????? laser lift-off. ?????????????? ? ???????????? ????????? ??????.
???????? ??????, добавлен 26.12.2013???????????? ???????? ?????? ???? ?????? ?????????????? ??????? ???????????? ??????????????? ??????????? ????. ?????????? ?? ????????? ????????? ?????????????? ?? ??????????? ???? ???????? ?????????????? ????????, ???????????? ?????? Laser Graver Fg.
??????, добавлен 09.10.2020??????? ? ??????????? ??????????? Warka Water, ??? ?????????? ?????????? ? ??????? ????????, ???? ? ???????? ? ??????????? ????? ?????????? ????????. Kafon ??? ????????????? ?????????? ??? ????????? ???. ?????????? ? ????? ????????????? ????????.
???????, добавлен 19.10.2016The development of the modern world directly depends on the development of transport infrastructure. One of the types of transportation is pipeline systems, designed mainly for the delivery of liquid from one region to another (water pipelines).
??????, добавлен 14.02.2025The regularities of macromolecules behavior in the flow with longitudinal velocity gradient and manifested in this case effects of elastic deformations have importance in understanding the mechanism of anomalously high cutting power of water-polymer jet.
??????, добавлен 28.02.2016To separate simultaneous removal of mechanical impurities and water - the main tasks of filters. Analysis of the graphical representation of the piping system for pumping fuel and necessary equipment for the storage and dispensing of fuel operations.
???????? ??????, добавлен 29.03.2018Renewable energy is energy obtained from solar, wind, wave, geothermal energy, water and other renewable sources. At this time, processes that are constantly occurring in nature are used, and these resources cannot be exhausted as a result of human use.
??????, добавлен 14.02.2025Results of research for increase in an output of target paraffins during of deparaffinisation mineral oil are resulted by a spirit-water solution of a carbamide. The variant removal of paraffins which output normal alkanes from the potential maintenance.
??????, добавлен 10.08.2018Developing of a photobioreactor design for wastewater treatment in which the application of new connections reduces material consumption for the manufacture of transparent flexible tanks, reducing labor costs for installation and dismantling of tanks.
??????, добавлен 10.07.2022Getting the coordination compounds of Zn (II) and Cd (II) from 3-methoxybenzene acid hydrazide using hot etanolnyh or water-ethanol solutions in weakly acidic medium. Participation organic ligand molecules in the formation of solid Zn(II) ? Cd(II).
??????, добавлен 23.02.2016Appointment, device and action of the turning machine. Types of lathes, depending on the application. Metal processing on machine tools, turning operations. The use of water energy to drive. The principle of operation of the hydroelectric station.
??????, добавлен 11.03.2019- 25. Variation of physico-chemical properties on the nature of filler in artificial marble production
The influence of the nature of the filler on the physicochemical properties of artificial marble. The results of studies on the influence of various fillers on strength, density, water absorption and other characteristics of the material are presented.
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