Proceedings of the International Symposium "Engineering and Earth Sciences: Applied and Fundamental Research" dedicated to the 85th anniversary of H.I. Ibragimov (ISEES 2019)

There is a pressing need for high-quality water supply to the population of Grozny. This is due to a specific mixture of salts of heavy metals and lithium, and microbial contamination in the surface water reservoirs. To ensure effective purification of severely polluted surface water, it is necessary...

The article proposes a procedure for optimizing the system for the recycling of oily waste (OW) according to the environmental safety criterion based on the Data Envelopment Analysis (DEA) method. The waste disposal system includes the storage facilities of the OW, technological installations for their...

The paper presents calculation results of hydrochemical balance. There are developed and described methods to reduce the concentration of sulfates in reservoir-cooler - Lake Kenon CHPP-1 in Chita. The operation of a coal station and disposal of its waste without anti-filtration measures directly affect...

One of the factors in the formation of the ecological state of a city is the planning scheme of development, reflecting the features of the functional division of city space. At the same time, ensuring environmentally safe urban space involves solving the engineering problem of layout adjusting (optimization,...

Two-chamber device refers to pulsed sheet punching methods. This device is intended for use in small-scale production. Due to its design and efficiency it can significantly reduce the cost of stamped products. The article describes the principle of operation of the device, defines the criteria for the...

The main idea of this work was to obtain and study polymer composites based on synthetic isoprene elastomer and low density polyethylene, which contain soot and aluminum nanoparticles in various quantities. The composites were saturated with nanosized particles of aluminum and DG-100 soot with specific...

The article presents the method for assessing bending stiffness by dynamic testing using an example of the experienced metal frame. The source of forced oscillations during dynamic tests was a modal vibration exciter in the form of a mechanical oscillator with stepwise frequency control. The results...

The methods of physical and chemical analysis was used to study the phase formation in oxide-salty systems and the following conclusions were made: - similarity of crystal structures and small distinction of cation sizes (K+, Rb+, Cs+) in binary systems KNO3 - CsNO3 and RbNO3 - CsNO3 of 2K//A type...

The article deals with the methods for producing silicon carbide (4H-SiC) mono-crystals and films using the Schottky barrier. A nonlinear model of the Schottky barrier height and a composite model for the CVC of the total emission current were developed. An induction heating method for producing SiC...

Pure samples of solid solutions of (Na1-xLix)NbO3 system with high mechanical Q-factor, Qm, > 700, piezoelectric sensitivity, g33, ~ 40 mV·m/N, anisotropy of piezoelectric coefficients, d33/|d31|, > 5, low electrical conductivity, high piezoelectric activity, Kp, ~ 0.2, and a wide range of temperature...

The dependence of the wetting angle of pure Zn (99.9%) and Zn-Mo-Al-Mg (Serbian bronze) of compressed Co-W powder on the temperature in an atmosphere of pure He (grade A) was studied using the large "lying" drop. Wetting angle was measured in the CorelDraw x12 software environment. Found: 1) With an...

Today, silicate wall materials are widespread among the applied wall materials in construction. Their traditional production technology involves the use of cementing component, obtained by the mixed grinding of unhydrated lime and silica materials. Nowadays, one of the main tasks is to reduce the production...

The construction of multi-storey residential buildings is associated with many problems, since the underground part is exposed to a large number of risks during design and construction. The paper analyzed and proposed the most appropriate option for the device foundation for a multi-storey residential...

During burning of Portland cement clinker, a large amount of both clinker and aspiration dust accumulates in electrostatic precipitators and rotary kilns; therefore, rational use of these products containing a certain portion of a complete raw material is an important task in the cement industry. It...

A hydrometallurgical technology has been proposed for processing the refractory part of the lining of aluminum production electrolysers dismantled and disabled for overhaul. Fluorine-containing compounds are transferred to the solution, which allows obtaining cryolite for being used in the electrolysis...

To date carbonate technology for producing Portland cement is the only, and the resulting product is a leader in the production of binders and, according to Russian and foreign scientists, this situation does not change even for many decades. But most researchers hope that a more effective binder with...

The existing computational model to determine the strength of inclined sections of bending reinforced concrete elements, adopted in the regulatory documents of the Russian Federation, due to the complex stress-deformed state has significant differences with the actual nature of structure work and requires...

Under condition of infill construction pile driving causes an appreciable impact on adjacent buildings, which should be accounted during the works. The work is the first to present the materials obtained in 1990s. The ground was represented by soft and plastic clay with the thickness from 4.5 to 13.0...

This article provides examples of the use of geographic information systems in the Republic of Sakha (Yakutia). The results of the creation of a GIS - project with ethnological expertise of the territories of traditional environmental management of indigenous peoples of the North are presented. Created...

The paper studies edaphic conditions of the cenopopulation of Tulipa gesneriana, T. biflora and T. biebersteiniana growing in the Black Lands nature reserve. These cenopopulations belong to rare and protected plants in many regions of Russia, including the Republic of Kalmykia. The soil profile cuts...

The article sudies step-by-step development of air transport in the Chechen Republic. The urgency of resumption of both local and interregional flights is underlined. Besides, the article describes the impact of competition between airlines as well as cost related trends, the profitability of air tarnsportation,...

The twentieth century for Russia is the age of political, socio-economic and territorial transformations. Naturally, these processes are reflected on the spatial development. From this perspective, investigating the development of urban systems under conditions of global challenges is high on the agenda....

Due to various reasons, oil and gas there are accidents associated with open emission formation fluid with subsequent ignition. Such accidents sometimes have catastrophic consequences. Extinguishing gas wells is done by method of limiting oxygen access to the burning area. This method includes applying...

Ecological consequences of prolonged mining natural management in the valley of the river Baksan are analyzed. Main sources of emissions of heavy metals compounds, the nature and extent of their pollution are revealed. Ecological indicators of the post-exploitation state of landscapes can be considered...

The current development state of oil and gas fields is characterized by the share increase of hard-to-recover reserves, which leads to new technological solutions for bottom-hole layouts during construction of directional wells. The paper presents analytical studies of the oscillator-turbulizer, and...

Based on the generalization of different groups of fields of the terrigenous strata of the lower Cretaceous age of Western Siberia flooding experience, models are obtained that allow to assess the degree of hydrodynamic interaction of producing and injection wells, reflected by the maximum value of the...

The article considers sectional centrifugal pump (SCP) designed to pump liquids into the reservoir to maintain reservoir pressure. The article justifies the use of air-cooling of the oil system of the pump major nodes, which decreases the material and energy costs and reduces the repair time of the...

The problem of establishing a contact between degradation at the instrument and the circuit levels while designing very large scale integrated circuits (VLSI) is of a great interest. Instrument and circuits sensitivity to the effects conded by hot carriers is different, which is determined by a large...

The influence of the type of constructive system of buildings, their number of floors, as well as the parameters of seismic impact on the residual deformations of seismic insulating rubber-metal supports with lead core installed at the level of the top of foundations is investigated. By constructive...

Against the background of comparing the scope of anthropogenic impact on environmental with the scope of natural processes influencing it, it becomes obvious that humanity cannot continue to pollute the environment uncontrollably, however, it cannot stop or at least reduce the rate of economic activity....

Seasonal, annual trends of average, minimum and maximum temperatures, total precipitation and maximum daily precipitation from 1961 to 2017 in various climatic zones of the region have been studied in the paper. The study period was divided into two intervals from 1961 to 1975 and from 1976 to 2017....

The paper analyzes polymer fibrous ion-exchange materials on the basis of polyacrylonitrile matrix released as KN-1 cation exchanger and AS-1 and AN-1 anion exchangers. The purpose is to study the sorption properties of the specified materials in relation to multicomponent salt solutions of heavy metals....

Methodical approaches to construction of dust discharge profile of industrial enterprise are proposed. The discharge profile is considered to be a parameterized characteristic of the component structure of dust with the selection of specific (indicative) for the technological process elements. On the...

The method of pulsed non-stationary flooding is a continuous regulatory process. Its optimal variant is determined by the stage of development of reserves. It is selected after a thorough analysis of the development, when the current oil reserves are determined differentially by zones and sections...

The increase in strength requirements for wall materials for stretching and bending while maintaining or reducing their average density scientifically justified. The research shows that the technology of autoclaved gas silicate currently does not allow achieving the required level of properties. Therefore,...

An effect of cold climates and hydrocarbon environment on the performance of elastomers based on nitrile-butadiene, epichlorohydrin, propylene oxide, F-4 polytetrafluoroethylene and zeolite paste containing propylene oxide rubbers were studied during 1-2 year full-scale exposure to cold climates in the...

Using waste of different genesis as sorption materials allows solving several problems at once such as decontamination of waste and reduction of production costs. The physicochemical properties of the products of thermal modification of A?sculus hippocastanum L. leaves, which are promising raw materials...

The article touches upon the issue of the assessment of the effect of atmospheric carbon dioxide on the development of creep deformations in autoclaved aerated concrete. The authors carried out the extensive experimental and theoretical studies of creep deformation and its reversibility on prisms with...

The article presents an analysis of the experience of using the products of buildings and structures demolition, the technology of recycling secondary raw materials to produce secondary raw materials for concrete. The results of tests of heavy high-strength concrete (HSC) on the base of filled binders...

The paper presents the results proving the possibility of using the super-plasticizer of the type "Linamix PC" in highly mobile and cast concrete mixes for the production of high-strength concrete. The paper gives results of raw materials tests for the preparation of monolithic compositions of high-strength...

The paper provides the systematic analysis on highland Alpine rocky-scree vegetation of the Central and Eastern Caucasus. In taxonomy the vegetation under consideration is characterized with domination of dicotyledonous, specific family-species spectrum (Caryophyllaceae-species and Fabaceae-subspecies),...

The paper presents an environmental study of the air basin, soil cover and large water bodies (Terek and Sunzha) in the territory of the Chechen Republic that was conducted by the authors in 2017. The analysis showed that the ecological condition of the

Many oil companies have serious difficulties with complicating factors as the appearance of mechanical impurities in the production of wells, the deposition of asphalt-resin-paraffin substances (ARPSs) on the equipment walls, salt deposition, and corrosion of metals. The presence of mechanical impurities...

The rocks of clay natural reservoirs present particular interest. On the one hand, they attract the attention of scientists from the point of view of oil content (they are enriched to a large extent with organic material), on the other hand - from the point of view of accumulation of radioactive elements,...

This paper describes an experiment to study the combined effects of high-frequency electromagnetic and acoustic fields on the oil reservoir model. A mathematical model describing the physical processes occurring in the reservoir is given. By introducing an additional term, the heat conduction equation...

Numerical values of the reaction rate constants and activation energies were obtained for the system gallium - aqueous solutions of electrolytes with respect to the nature of the electrolyte and aggregation state of metal. It is shown that dissolution in sulfuric acid media is characterized by low velocity...

The problem of radiation contamination makes the control relevant based on monitoring studies of large areas and large masses of the population. The issue of the development of measuring equipment base is relevant. The main quality indicator of radiation monitoring devices are random measurement errors....

The article analyzes models of phase equilibrium of water in rocks, where a mineral matrix is treated as an assembly of particles with a determined effective molar mass, depending on dispersibility and surface properties of the mineral matrix. This provides an opportunity to develop a model of phase...

Fleet equipping for toting auto road construction should be planned with the account of projected road schemes, regional peculiarities and target growth of labour capacity. The state-of-the-art IT solutions should be found for programming methods. It has been determined that application of the developed...

For grouping objects of Western Siberia it is proposed to use the parameters characterizing the degree of influence on the displacement factor of radial microinhomogeneities and hydrofobisation of pore channels of the productive strata. These parameters are obtained from the analytical expression for...