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The post-industrial transformation of the world economy, globalization and increased geopolitical competition, primarily for scarce natural resources, require a fundamentally new methodological justification of national natural resource and subsurface management in Russia. At present we need to solve very difficult task: to restore and strengthen the main sectors of the economy. One of the ways to solve this problem is to ensure rational use of mineral resources and improve the efficiency of enterprises in the min...

Forestry vehicles meet different kinds of soil resistance when operating on forest soils, which include the rolling resistance, as well as the resistance to vehicles turning. The purpose of proposed study is to present dependencies for estimating the soils resistance to forestry vehicles? turning, based on solution of theoretical problem of indenter pressing into a soil massif of unlimited thickness of the deformable layer. The study bases on theoretical methods of terramechanics, methods of computational experime...

The study aims to estimate rut depths components caused by soil compaction and its? shearing caused by forestry vehicles? impact. The study bases on theoretical methods of terramechanics. As a result of the calculations, the study estimates three components of the rut depth caused by wheeled and bogie-tracked forestry vehicles impact. In the case when wheeled forestry vehicles operate on a weak forest soil which bearing capacity is up to 0.04 MPa, the estimate of the rut depth component caused by the soil shear ca...

This article deals with the forming of sheet metal on a bending machine. The bending of sheet metal cut shapes or clippings is a very common operation in many companies. Oftentimes, many of these companies deal with the issue of how to bend the sheet metal to the required precision, especially while complying with the required bending angle. The sheet metal is bent correctly while it is in between the tools of the machine. However, stress develops in the material during bending and this stress remains in the mater...

In the current global context where we talk about the depletion of conventional fuel resources and their impact on the environment, we find that it is necessary to integrate renewable energy sources/resources in new constructions, but also adapt existing constructions in order to reduce energy consumption. This article presents a system with solar thermal collectors combined with PCM phase change materials. During operation, some of that thermal energy may be diverted to a storage system where it is maintained for...

The article analyses geological, climatic, hydrological conditions of formation of the unique thermal regime of the nonfreezing river Ilet and its right tributary Yushoot, located mainly on the territory of the national park Mary Chodra of the republic of Mary El, RF. For a number of years the hydrological character of these rivers, their water and speed rate have been researched, with special attention paid to numerous underground sources of water, their chemical composition and temperature. The flow rate of the ...

Paper analyses the principles and industrial applications of thermoelectric generators and energy harvesting devices in their almost 200-year history, e.g. from first documented application in 1840 till the current applications focusing on thermoelectric generators using waste heat from fireplace furnaces. Moreover, the energy harvesting devices as low power applications are involved in the paper. Applying the thermoelectric generators into existing products gives the managers an ability to innovate, be unique and...

Nowadays, steel constructions and their elements are used for their properties. One of their advantages is, for example, their low weight in comparison with their load capacity. Also, quick assembly is one of their advantages. On the other hand, there are disadvantages which are associated with changes of properties under thermal stress. There are no significant changes up to a temperature of 350°C, but steel loses their load capacity between 500-700 °C [1], [2]. Because of that, in many cases these constructions ...

During a mine exploitation, the activity of the mine shafts must be carried out under outstanding safety conditions, given that through them we carry out the transport of personnel and materials necessary for the production process and we extract mineral substances. For these reasons, the operating parameters must be within the limits provided by specific regulations, both in the case of supporting and guiding elements of the shaft, as well as those of the extraction plant. The labor protection regulations provide...

In order to ensure economic development and respect of the principle of sustainability, the European Union has introduced a number of innovations in the legal framework and thus provided a large amount of money to modernize the economy. The benefits brought by the new economic model (circular economy) are reflected in the reduction of harmful effects on the environment, increased resource productivity, job creation, reduced dependence on raw material imports, increased competitiveness of the economy and encouragin...

The development of advanced analytics for data measured by SCADA systems is crucial from the viewpoint of process monitoring, management, and optimization. Many mining assets are characterized by cyclical operations performed with a fixed sequence of their course. An example is the Load Haul Dump (LHD) machine transporting material from the mining face to the dumping point, where the material is preloaded into a further means of transport - a conveyor belt. For wheel loader, the basic signal is pressure signal mea...

The Vltava River and its riverine landscape has had a significant importance for the Czech nation, culture, economy and transport for centuries. The river itself, landscape and life of people tightly connected with Vltava have undergone massive changes which can be revealed from the old maps, historical photographs, archival documents and also personal testimonies. The main aim of the project is to show the vanished face of the river depicted on the beautiful old maps and photographs via modern cartographic method...

The article considers various factors contributing to the development of tourism in the Arctic zone of the Russian Federation (AZRF). On the example of the Murmansk region, the indicators of tourist flow, as well as the impact of tourism on the economy and, accordingly, on the sustainable development of the region, are analyzed. Problems of sustainable development at the regional level were studied in the Kirov-Apatity district of the Murmansk region, where the scientific base of the geographical faculty of Moscow...

Waste electronic equipment has become one of the fastest growing waste streams in the world. Mobile phones make up a large proportion of this waste. They cause not only ecological threat, but also a serious waste of resources, including copper. That is why new and effective ways of processing this waste and reusing recovered metals are increasingly being sought. Most modern research on the recovery of non-ferrous and precious metals from mobile phones has focused on hydrometallurgical and biometallurgical techniqu...

The article focuses on basic socioeconomic and sanitary-epidemiologic parameters as well as parameters that characterize population health in RF regions. The research goal was to search for reasons that could potentially explain short life expectancy in some RF regions via combining similar territories into groups according to selected parameters. The authors applied a specific statistic procedure for data processing, cluster analysis; it allowed distributing RF regions into 4 clusters where analyzed determinants ...

The study analyses the features of the peat sediment formation and elements concentration in the 0-310 cm core sample of peat deposits based on the example of the Ubinskoye peat bog located in the Novosibirsk region, Western Siberia. The stratigraphy and distribution features of chemical elements in the vertical profile are studied. Peat layers are characterized by an increase in the content of all elements in the middle and lower core intervals, which is probably a consequence of changes in the water regime and g...

It is known that laminated wood structures are widely used in construction industry due to the advantages of the resulting monolithic composition. However, despite the large number of positive qualities, wood as a filler has certain disadvantages that can reduce the service life of products made of a wood composite material. Thus, wood filler in the process of hardening and drying of composite material, as well as during operation of structures made of this material, can alternately shrink and swell depending on a...

The article analyses the current state of flood protection of the urban area in the foothill region. Problems of the area were characterized through selected critical points that support the local flood origination. Of course, the flood is a random phenomenon and its behaviour depends on many other factors, such as soil saturation, vegetation cover, river bed channel current state, as well as drainage cuts, soil management, etc. For efficient design of the flood protection measures, it is necessary to have input d...

The aim of the study is to give the evidence that the formation of students' cognitive initiative as a part of integrative personality development by means of a foreign language becomes a defining factor in training a competitive specialist. A sufficiently high level of mental development, a strong memory, having the logic for reasoning, broadening one's horizons, working capacity, perseverance, etc. ? all these contribute to student?s success. However, even with all of these qualities, it is necessary to constant...

Metal?microbe redox interactions have implications for ore formation and recovery of uranium from ore-containing materials. The speciation of uranium in relation to its bio-availability is reviewed. U(VI) is the major form of U in oxic surface waters, while U(IV) - in anoxic waters. The ability of uranium to bind the bacterial cell surface is dependent on its physicochemical form. Within solid-phase organic matter, microbes can influence oxidation state and stability of uranium through direct enzymatic reduction, ...

Soil is a non-renewable resource and we should also treat it accordingly. Urbanization of natural land is a long-term global problem which results in expansion of anthropogenic soils. Effective use of so called brownfield sites could be one of the ways to eliminate the negative impact of the areas affected by urbanization. Brownfields are old and abandoned areas of former industrial and commercial zones within towns or other settlements, which have lost their original use and at the same time pose a possible ecolo...

The article considers the issues of evaluating the quality and effectiveness of an information resource with Internet access dedicated to memorable places associated with the residency of famous Russian personalities. The authors noted that one of the problems is choosing the indicators and evaluation criteria that characterize the effectiveness and efficiency of museum activities, as well as the impact of museums on society. The following main functions of museums are highlighted: collection, preservation and doc...

In the last few years, the climate change has become more and more apparent. In this time the Central European region has experienced disruption of the precipitation layout, serious storms, heatwaves and droughts. Primarily the droughts have let people feel the need for stable and predictable environment. This problem has usually been addressed as a global effort to reduce the production of greenhouse gases, omitting the option of adjusting the environment on much smaller scale. For mitigating the effects of globa...

The article presents the results of a study of the attractiveness of the forests coasts of the Cheboksary Reservoir on Volga River of the Cheboksary urban district in Chuvashya region (Russia). As the main natural and recreational characteristics, two criteria were chosen: the attractiveness of the relief and forest landscapes. The results of the study showed that the Right Bank of the Cheboksary reservoir has a high natural and recreational potential. The work revealed the possibility of using the attractiveness ...

The use of a qualified electronic signature has become more widespread in recent years, and one of the main prerequisites for this is the development of electronic services using a qualified electronic signature for authentication. Some of the services require additional entry of a username and password and they show that a qualified electronic signature complements the security of authentication by becoming the so-called "Second factor". All services provided by a qualified electronic signature in the browser are...

Light soils contain up to 20 % clay particles, which results in their high water and nutrient permeability and thus low fertility. Another factor affecting light soils is their easy drying. The Hodov locality was chosen for an experiment suitable in terms of quite low rainfall per year and soil type corresponding to light soils. The experimental locality Hodov belongs to a slightly warm climate region (MT9) with a long-term average rainfall of 500 mm/year. The prevailing soil type is Mesobasic Cambisol with a high...

Fibre-reinforcing is an efficient method to improve the mechanical properties of a wide range of materials including soils. A drawback of currently used fibres, given by methods of production, is their uniform cross-section, planar shape and a smooth surface in most cases having an adverse effect on the pull-out capacity of fibres. The proposed paper presents an initial experience with the fabrication of fibres and testing of cohesionless soils improved in this way. The commercially available 3D printer was used a...

The problem considered in this paper is the need to step up the methodological and informational support for improving the environmental and economic efficiency and sustainability of natural resource management in the Kamchatka territory (Russia) and the adjacent marine areas of the Pacific Ocean. The object of the research is the natural resource potential of the research area. The subject of research includes: clarification of the composition, structure and system relationships of the main natural resource poten...

The pollen record from a 96 cm long sediment core obtained in Lake Arcto-Pimberto (68°26.114' N, 053°32.311' E, Pechora river delta, Nenets Autonomous Okrug) reflect regional vegetation and climate changes in the north of the Eastern European plain over the last 6000 year. The taxonomic and stratigraphic structure of the column of bottom sediments is reflected in a spore-pollen diagram which was divided on the 4 biostratigraphic sequences - pollen zones (PZ I-IV). The results show that the bottom of the core (PZ I...

At national level, a series of technical regulations harmonized with European directives and norms are adopted, which present essential occupational safety and health requirements applicable to the field of explosives for civil use in various specific activities in which their use is necessary. Concerns in the field addressed in the paper, are also registered at the level of the European and international community, respectively, because a good knowledge of the concepts and the practical experience regarding the d...

The article examines the issues of virtual reconstruction of memorable places associated with residency and activities of V.F. Voyno-Yasenetsky (Saint Luke the Surgeon) in the city of Tambov (Russia). Valentin Felixovich Voyno-Yasenetsky (1877-1961) ? a religious figure, archbishop, famous Russian and Soviet doctor, doctor of medical sciences and theology, winner of the Stalin prize of the first degree. In order to visualize individual objects of memorable places in Tambov, their three-dimensional virtual reconstr...

Most of the time, in assessing a situation where a leakage of combustible gas is involved, the volume of the room where the release occurs and the volume of the released gas is taken into account, thus resulting in an average concentration of the fuel gas applied to the entire volume of the room. In some cases, when the source of combustible gas is close enough to the source of initiation, or when air currents converge at the location of the source of initiation carrying amounts of combustible gas, the explosive m...

The objective of the study is to visualize the Vltava River valley in the area of Kamyk nad Vltavou. The workflow involves the georeferencing and vectorization of map data in ArcMap. Based on this processing, 3D objects are procedurally modelled in the CityEngine programme. The resulting 3D objects are complemented with a photogrammetrically created model of the Kamyk Reservoir. The results are presented in the form of map applications. This study aims to present the workflows already used in the project and the p...

Volodarsk deposit of complex ilmenite-magnetite-apatite ores is located within the ore field of the Kalchytsk ore district of the same name. Found in the process of GSM-200, studied in the process of search and evaluation work. It is dated to the Gabro-sienite phase of the South Kalchytsk complex, the rocks of which constitute a stratified intrusion of the main composition with an area of about 103.8 sq km in the southeastern part of the Volodarsk massif. In the process of formation of intrusion as a result of fra...

Zooplankton organisms are widely used as indicators of ecosystem changes (Adrian et al., 2009, Nigamatzyanova G., Frolova L., 2017). Both zooplankton and nutrients play an important role in monitoring and assessing water quality by greatly contributing to biological productivity (Vinberg,1960). In the current study, we examined water quality of different types of water bodies of Ob and Erkuta river basins, based on the analysis of zooplankton communities and the concentration of nutrients. 72 species of zooplankto...

The Azov Sea is one of the shallowest inland reservoirs in Eurasia. The special physical and geographical location of that object determines the temporal variation of its hydrological and hydrochemical characteristics. One of the main features of the sea is the presence of run-off and surging phenomena, determined by water exchange with the Black Sea and the river flow, small area and shallow water body. The currents are considered as significant factors for many processes of matter and energy transport in the Azo...

Objects of geological heritage of international level are located in the Nizhny Novgorod region. This is the Puchezh-Katunki impact crater of an early Jurassic age, the Bathonian-Callovian deposits of the Jurassic system near the settlement of Prosek on the banks of the Volga and karst lakes and caves in the basin of Pyana and Tyosha rivers. A water induced risk assessment was carried out to include it in application for aspiring UNESCO Geoparks network. The assessment includes the risk of landslides, abrasion of ...

Application of image processing recognition in the agricultural field is a difficult and intensive task. Recent years developments of technologies such as GPUs (Graphics Processing Units) and the fast development of artificial intelligence algorithms allows the reliability of using computer vision technology to be used for recognition of plants, including weeds, ensuring the efficiency of intelligent agricultural systems. Computer vision technology uses a camera and a computer to identify and measure objects in th...

Academic rankings can be referred to as a tool of external evaluation of university performance, and a crucial role that the rankings play now in government decisions to fund university research around the world is undoubtful, despite all the ambiguity and skewness of rankings methodologies. Having said that the publication productivity and citation impact are important criteria of rankings evaluation, not only university management needs to be sure that the rankings trajectory is well applied, or incorporated int...

Due to the changes in global climate patterns, wildfires have recently become a significantly greater threat to both human settlements and the corresponding activities. The same degree of threats is applicable for numerous species of fauna and vegetation, all across the world, especially in arid climate areas. Scientists that have conducted research on the subject revealed that climate significantly influences the probability of certain areas towards being affected by wildfires, especially taking into consideratio...

The Sea of Azov is characterized not only by small sizes and depths for oceanic waters, but also by intensive water exchange with river waters and the waters of the Black sea. These features of the reservoir are superimposed by wind activity, which contributes to the formation of wind surges phenomena. Under their influence, the upper layer of bottom sediments is agitated, accompanied by the transition of previously deposited material into the water column. After the wind action is weakened, the reverse flow of re...

In this study, a procedure was developed for the synthesis of WO3-containing catalysts based on zeolites of the ZSM-5 type. Zeolites with different Si/Al ratios and different numbers of acid sites were used: ZSM-5-CVM, ZSM-5-CVN and ZSM-5-Acros. The synthesized catalysts were characterized and tested in the reaction of the conversion of fructose and glucose to 5-hydroxymethylfurfural and levulinic acid. It was shown that the introduction of tungsten (VI) oxide into the composition of ZSM-5 leads to a noticeable in...

The article describes a long-term and seasonal dynamics of zooplankton species diversity and its relationships with hydrologic factors were investigated on Lake Fish located in Samoylov Island on the northeast of the Republic of Sakha (Yakutia), Russia. This lake was chosen as a research object due to its mixed type of origin: thermokarst-polygonal. Zooplankton was sampled at three locations: on the pelagic and littoral zones of the thermokarst part and polygonal part of the lake. In total, 90 taxa (80 species) of...