bluuebunny/crossref_metadata_2025_split huggingface dataset:
K-4 Impact on Dehydration Process of Red Mud Settling
Authors: Salamatov V I , Salamatov O V , Yu Zabolotnyaya D 
Published: February 2022

Abstract
The article represents the results of a study on the red mud dehydration process (thickening, filtration, filtration washing) obtained in the alumina production during the processing of the low-silica bauxites. The synthetic flocculant K-4 has been used in order to intensify the red mud dehydration process. The main washing periods have been studied in the process of the filtration washing analysis. The expendable module impact on the effectiveness of aluminate solution cleaning (mother liquor) obtained from the mud settling has been represented. The settling washing, treated by the flocculant, has been established to allow increasing the quantity of the specific effective moisture at the cost of the mutual volume of the standing pores and the grow of free moisture volume.
Methods for Preserving Biodiversity of Meadow Steppes in the Middle Lena Valley
Authors: Ustinova V V , Barashkova N V 
Published: February 2022

Abstract
This article considers the results of the studies of the Agricultural and Ecological Group 6 lands of the Nam agricultural landscape conducted in the lower Lena valley under various nutrition regimens in natural steppificated meadows with content of steppe grasses of up to 52%. We established that steppe grasses react differently to fertilizers. Using various dosages of mineral and organic fertilizers helped increase the share of couch grass up to 74­93% while maintaining the share of steppe bluegrass at 14%, along with the mixed herbs including creeping sage at 24%. The combined use of organic and mineral fertilizers helps preserve steppe grasses, especially couch grass, up to 93% while preserving the steppe bluegrass up to 12% and mixed herbs up to 24%, which facilitates the hay fodder yield of up to 20 dt/ha.
Creation of Innovative Food Products Based on Soybeans to Ensure Food Security of the Far Eastern Region
Authors: Skripko O V , Bodrug N S 
Published: February 2022

Abstract
The formation of a healthy lifestyle of the population of the Russian Federation, including due to the supply of nutrition foods, is an important task that is supported at the state level. The development of innovative food technologies using regional raw materials can be positively influenced by the country’s food security. Studies are aimed at studying consumer demand for enriched emulsion foods in the form of mayonnaise and mayonnaise sauces of functional appointment and the development of new recipes and technologies of the products of the specified assortment group. It was established that in the region there is a deficiency of low fatty, with a balanced fatty acid composition enriched with vitamins. The range of mayonnaise products offered by the regional trading network does not satisfy consumers and requires the development of innovative emulsion foods of functional purpose. As a result of experimental studies, the technology of mayonnaise sauce from soy protein and a vitamin and fat basis, which includes a blend of soy and sesame vegetable oils and sea buckthorn berries. The resulting mayonnaise sauce is characterized as a high-protein, low-calorie product, with the optimal ratio of polyunsaturated (ω-6: ω-3) fatty acids, enriched with β-carotene, vitamins E and C.
Technogenic Placer Deposits of the Artic Zone of Yakutia
Authors: Moskvitin S G 
Published: February 2022

Abstract
The northern parts of the Arctic Zone of the Sakha Republic (Yakutia) are the most industrialized regions of the Republic. Since the 1930s, there has been intensive mining of alluvial and primary tin and gold placers. The 60-70-year mining operation has accumulated huge mining residues in the region, leaving behind useful components owing to deficiencies in mining technology at the time and deviations from mining technology. These wastes are considered technogenic placer deposits. The study of these wastes has identified the following types of technological s: 1 – technogenic placers of tin and gold; 2 - technogenic combined placers of gold and kularit; 3 - technogenic placers of tailings ponds consisting of mining wastes of gold and tin ore placers.
Construction and Current Maintenance of the Reinforced Ballast Layer of the Railway Track
Authors: Abrashitov A , Sidrakov A , Zaitsev A 
Published: February 2022

Abstract
The article presents the ideas for the construction and the current maintenance of the reinforced plastic geogrid top ballast composed of crushed solid rock. Meanwhile, the reinforced ballast material acquires new properties, which lead to the formation of a composite material with new properties. In the reinforced material, only micro-deformations occur under the dynamic load, which is intrinsic to solid rock. In this case, laboratory simulation of reinforced ballast with a cyclic load showed that multilayer stabilization with three geogrids reduces settelment by 67% and does not require cleaning during the entire service life of the reinforced top ballast.
The construction and the current maintenance of the composite structure make a real difference from the ballastless structure of the railway track as the work techniques with geosynthetics in the ballast subgrade are properly developed, and they are widely used during the repairs of railway track, because the development of the technology for the creation of reinforced geocomposite will not cause any problem.
Assessment of Carbon Dioxide Emissions due to Forest Fires in Russia and Possible Ways to Reduce Them
Authors: Kopylov S N , Kopylov N P , Strizhak P A , Bukhtoyarov D V 
Published: February 2022

Abstract
Calculations of CO2 emissions into the atmosphere caused by forest fires in Russia as well as an experimental assessment of some possibilities to reduce the emissions were carried out. It was shown that calculations with the usage of the average values of the reserves of combustible forest materials (CFM), the area of fires and the value of the mass rate of wood burning gives the same results as the approach based on the relatively accurate data on the reserves of CFM and their distribution over the fire area as well as an information on the character of forest fires. It was obtained experimentally that the continuous short-term supply of sprayed extinguishing liquid does not reduce but increases the yield of carbon dioxide due to the earlier termination of the flame burning and transition of the process to the smoldering regime. It is possible to reduce CO2 emissions into the atmosphere caused by forest fires up to 3-5 times when the extinguishing liquid is sprayed by applying two short-term pulses to eliminate both flaming and smoldering combustion.
Method for Determining Forecast Time of Cargo Flow Occupying Transport Routes
Authors: Serova D S , Garlickii E I 
Published: February 2022

Abstract
At present, carriers are focused on improving profitability and efficiency of transportation, reducing freight costs, and providing high quality customer service when their operation work is planned. This is why the question of the time it takes to deliver goods to the destination stations is highly relevant. The authors introduced the concept of forecast time of cargo delivery. The progress of cargo flow along transport routes is modeled; parameters affecting the forecast time of cargo delivery are determined; a method for determining the forecast time of cargo arrival at the unloading station (transshipment) is developed. The method is based on determining the time that the flow occupies the facilities along transport routes based on their loads.
Analyzing the Impact of Dust Emissions from Metallurgical Enterprises on the Environment
Authors: Tepina M S , Gorlenko N V , Murzin M A 
Published: February 2022

Abstract
The metallurgical industry is an integral part of the Russian economy. Therefore, the improvement of technological processes at enterprises and the expansion of the raw material base by involving new deposits and production waste pose a significant threat to the environment. The city of Shelekhov is one of the most polluted cities not only in the Irkutsk Region, but also in Russia. Based on the results of a study of various literary sources, it has been found that Shelekhov is a city with a high level of air pollution and a high concentration of emissions per person per year, which makes the problem under consideration relevant. In our work, we used the methodology for calculating atmospheric air pollution, in which the duration of exposure to concentrations exceeding the established standards was used as a criterion for assessing atmospheric pollution. Based on the results of the calculations, it was confirmed that the concentration of pollutants in the form of aerosols in the atmospheric air for a long time exceeded the established average daily maximum allowable concentration. As a result of the calculations, we made a schematic map of the distribution of impurities from stationary sources in Shelekhov. This affects the general well-being of the city’s population, primarily among children and adolescents. Based on the studies concerning the disease incidence of the population, it was found that over time, the overall rate of illnesses in children only increases, and the most frequent diseases are respiratory ones.
Research Into Demand for Intercepting Parking in the City of Rostov-On-Don
Authors: Sorokina D N 
Published: February 2022

Abstract
Thousands of cars come daily to the city of Rostov-on-Don. During working hours, the city’s street-road network is congested, it’s hard to find a parking space. Quite frequently, out-of-town drivers leave private transport in parking lots of large shopping centers at the entrance to the city and then make a change to public transport. However, this creates parking difficulties for those who actually come to shopping centers. This article discusses one of the possible ways to solve this problem, namely intercepting parking. This is confirmed by the data obtained in an a priori ranking of factors on the basis of a survey covering out-of-town drivers.
Modelling an Integrated Control Object
Authors: Akhmedyanova G , Lomukhin I , Pishchukhin A 
Published: February 2022

Abstract
The paper investigates two schemes for modelling an integrated control object: with an embedded model in the loop and with the selection of several levels of control. It is noted that the multi-level scheme allows the solution of individual tasks to be divided into fairly independent levels. This allows you to reduce the multi-connectivity of the system and apply coordinate-parametric control. Coordinate control is carried out within the limits of levels, and the impact of hierarchically higher levels change the parameters of the structural elements of the underlying subsystems. In this case, the contribution of each influencing factor to ensuring the achievement of the highest goal of managing the integrated object is more accurately estimated. At the same time, the integral assessment makes it possible to objectively evaluate the contribution of each of the control actions listed in the work and, accordingly, optimally divide the control resources between them with maximizing the overall level of achieving the goals of the upper levels of management. The revealed theoretical results were applied to develop a multi-level scheme for managing the quality of the development of a hydrocarbon field.
On the Relationship of an Active Fault Seismicity with the Gas Production Dynamics by Example of the Aniva Gas Fields on Sakhalin Island
Authors: Kamenev P 
Published: February 2022

Abstract
On the example of the Aniva gas fields, Sakhalin island located in the immediate vicinity of the active Central Sakhalin Fault, the dependences of the seismicity level on the gas production rate are shown. The distribution of earthquake epicenters is usually confined to the boundaries of the developed fields. While the areas of the fields themselves remain almost aseismic. The main contribution to the level of local seismicity is made by the regional Central Sakhalin Fault and its impact zone structures. It is noted that during the entire production time, there was no significant earthquake in their vicinity that would have caused damage to the social infrastructure. However, the obvious correlation between the production dynamics and seismic activity makes it necessary to further study and monitor the seismicity in the fields area.
Calculation Scheme of Purification of Industrial Emissions in Separators of Nozzle Type
Authors: Enikeev I Kh 
Published: February 2022

Abstract
The article discusses a model of motion of a four-phase continuum that simulates the flow of dusty gas in a nozzle separator. The main design features of such separators are considered, in particular The rebound of solid particles from the walls of the nozzle is taken into account and their influence on the efficiency of cleaning gas and dust flows in separators of this type is investigated. It is shown that, at high mass contents of the dispersed phase in the inlet section of the nozzle of the first stage, the distribution of the parameters of the dispersed flow in the flow part of the separator has a nonmonotonic character.
Protection Against Traffic Noise Acoustic Screens with Solar Cells
Authors: Dzyuba N , Kaverzneva T , Leonova N , Skripnik I 
Published: February 2022

Abstract
In connection with the growth of cities and the increase in building density, the problem of noise control in the city is becoming increasingly relevant. To protect residential areas from the noise of traffic flows in megacities, acoustic barriers with their own design features are widely used. These features can be based on a number of reasons: a complex noise picture, imperfection of noise insulation or noise absorption materials, high cost of execution, and other reasons. The article shows that the use of transport acoustic barriers with hoods, the design of which includes solar panels, can ensure the investment attractiveness of highway projects due to the potential profit from the use of solar energy. The efficiency of the use of solar cells in the construction of transport acoustic barriers is evaluated on the example of protection against exceeding the permissible noise of a section of territory near a major highway in St. Petersburg. The necessary noise measurements were carried out and a 3D model of the highway section was created with an acoustic barrier design that combines the function of noise reduction and solar energy generation. The selection of the tilt angle of the hood of the acoustic transport barrier was carried out (it was proposed to place solar panels on the hood), when the use of solar energy in the territory of St. Petersburg and the Leningrad region is sufficient to generate adequate electricity consumption in the period from April to September. To assess the effectiveness of the protective barrier, we used guidelines for protecting areas adjacent to highways from traffic noise from Rosavtodor for galleries and tunnels. The conducted assessments showed the prospects of using solar cells in the construction of transport acoustic barriers, as it is shown that even in geographical locations with relatively low solar activity, a useful effect can be obtained from the use of solar panels.
Ontological Model of Agro-Industrial Complex of the Region
Authors: Musina D R , Yangirov A V , Kharitonov S V 
Published: February 2022

Abstract
The paper presents the results of making an ontological model of agro-industrial complex management. The purpose of ontological modeling is to describe the subject area to develop a digital platform for agro-industrial complex management. The hierarchy of the ontological model of the agro-industrial complex management in the region is presented, in which the meta-level, ontologies of the upper and applied levels are identified. A concept map of the agro-industrial complex was developed, which allowed to define the industry concepts and relations between them. A general ontology of industry management is formed with subjects and objects of management, their attributes, relations and axioms identified as structure-forming elements; among ontological coordinates there are space, time, an ontological classifier and naming technology. The article presents results of testing the ontological management model using the case of the agro-industrial complex in the Republic of Bashkortostan.
Cretaceous-Cenozoic Hydrocarbon Systems of the Eastern Arctic Seas
Authors: Yu Kerimov V , Lavrenova E A , Shcherbina Yu V , Mamedov R A 
Published: February 2022

Abstract
Analyzing the results of the basin modeling using software complexes, preparing of the maps of the generation and accumulation hydrocarbon systems in the waters of the Eastern Arctic is performed. Studying of sedimentary complexes was performed and graphs of geological events were plotted within the limits of five hydrocarbon systems. Land prospectivity categories were defined in accordance with estimates of the specific densities of the default predicted resources.
Identification of the Shale Production Model
Authors: Lukyanov A S 
Published: February 2022

Abstract
The technique of appraisal have been proposed for the evaluation of the recoverable reserves according to production schedules for the total wells number of the same calendar year into operation. NPV formula representation and necessary conditions for optimality have been proposed. Recoverable reserves and rate of production (production decline) have been identified for the wells put into operation in 2012 – 2017. As a trend, the initial production rate of wells and recoverable reserves grew from year to year, as well as investments in one well. The ties between the length of horizontal wellbores multiplied by the volume of injected proppant and production parameters have been studied. The choice of production technology depends on the actual oil price. With an increase in the oil price, optimaly coordinated increase both the recoverable reserves and the rate of production at the well.
Geochemical Signs of Oil and Gas Potential in the North-East of Yakutia
Authors: Sleptsova M I , Kalinin A I 
Published: February 2022

Abstract
Currently, intensive research is being carried out on the oil and gas content of the eastern Arctic region of Russia. This article discusses geochemical studies carried out in the northeastern part of the Republic of Sakha (Yakutia). The northeastern part of the Republic of Sakha (Yakutia) is promising for hydrocarbons. This article presents the results of surface geochemical sampling of rocks, waters, and gases performed in Eastern Yakutia under the program of direct oil and gas prospecting. Geochemical studies have shown the promising oil and gas content in the north-eastern part of the Republic of Sakha (Yakutia), which provide an opportunity to carry out prospecting and discovery of predicted deposits of hydrocarbon raw materials.
Concerning the Stream Turbidity During the Laying of the Underwater Crossing of the Main Pipeline Across the River Lena
Authors: Kornilova Z G , Ammosov G S , Ivanov D S 
Published: February 2022

Abstract
The stream turbidity significantly changes during the river bed evolution. It depends on the sediment storage, which is affected by the bottom dredging works, the construction of underwater crossings of main pipelines, bridge crossings, and others.
In the present paper, we consider the change in the stream turbidity during the laying of the underwater crossings of the main pipelines (ML) across the river Lena. A significant increase in the water turbidity and the discharge of suspended sediment has been detected during the construction of linear structures intended for transporting the energy resources. The river bed erosion in the trench area is one of the factors of the decrease in the service life of the underwater crossing of ML when the siphon is trench laid across a water channel. When the bottom is scoured, and the siphon of the underwater pipeline is denuded, significant hydrodynamic loads not specified by the project are added to the operational loads. Torsional, bending, and overturning moments, as well as the phenomena of hydro-abrasive erosive wear, develop [1]. They lead to fatigue failure of individual sections of the underwater pipeline on the base metal and welded joints. It is crucial to conduct further studies to assess the deterioration degree of the ecological state of the river Lena.
Modern Problems of Forest Restoration on the Example of the Irkutsk Region
Authors: Belousova S 
Published: February 2022

Abstract
Based on the importance and relevance of forest conservation and restoration, at least from the perspective of reducing the negative consequences of global warming, the article analyses the state of forest restoration processes in the Russian Federation and measures to organize and ensure these processes. The lack of balance between the legislatively fixed preferred method of reforestation as an artificial or combined method and the real, prevailing volumes of natural forest regeneration is associated with an extremely inefficient forest policy and a limited regulatory framework for the formation of the necessary reforestation processes. The article focuses on the fictitiousness of the reforestation process implemented by tenants within the framework of the natural forest planting system in the absence of subsequent long-term proper care. It is emphasized that it is almost impossible to provide long-term and high-quality forest care within the existing lease relations with loggers. On the other hand, the management bodies are not able to ensure proper control and monitoring of reforestation to assess its effectiveness. These problems and their severity are clearly demonstrated by the analysis of the forestry activities of the Irkutsk region.
Study of the Effect of Gasification Pressure on the Composition of the Producer Gas From Coal
Authors: Timofeeva S , Ermolaev D 
Published: February 2022

Abstract
The paper presents the results of studies of the effect of gasification pressure on the composition of the producer gas from different types of coals. Calculations of gasification process with determining the main indicators for different coals depending on the pressure and the recirculation fraction of the producer gas were carried out. The results of studies have shown that the elevated pressure and fuel heating by recirculation gases in combination with high values of gasification temperature and the use of oxygen or steam-oxygen blowing promotes to increase the calorific value of the producer gas, to reduce the time of the process and the gasifier sizes, which leads to improvement of conditions and intensification of the process.
Substantiation of Geotechnical Risk Assessment Criterion for Mining Systems with Uncontrolled Caving of Ore and Surrounding Formations
Authors: Kovalenko A A , Petrova O V , Mambetova Y D 
Published: February 2022

Abstract
The high risk of technogenic accidents involving caving technologies due to the variability of the state of rock mass determines the parameters of variability taking into account geotechnical risks based on the knowledge of the rock mass obtained through continuous monitoring. The assessment of geotechnical risks in mining taking into account the increasing reliability of design data input obtained through mining exploration, additional research, and monitoring results can help promptly respond to possible dangers and their consequences. The suggested geotechnical risk assessment criterion helps determine the level of danger at every stage of block caving implementation and promptly develop actions to prevent these risks and reduce their dependency on the external and internal environment factors.