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Digitalization in business environment and management processes at the same time entails the need for additional skills to prepare clients and members of society by explaining to them the nature and use of products. Therefore, senior and middle managers have to be not only knowledgeable in their profession and develop the relevant hard skills but also, due to the labour market demand, have to be aware of importance of soft skills? training and understanding. In the process of developing study courses in life scien...

This article is dedicated to the problem of interaction between regional geological practices and geological education in the classical university exemplified by Siberian educational entities. Turning to real geological works in classical universities can reveal new aspects of geological knowledge for historians and methodologists of geology. It is important to emphasize that regional works are fundamental for all types of geological practices. It was proved that decline in funding for regional geological works th...

In terms of climate change and extreme events, the role of the complex water systems and reservoirs management is increasing. Under these conditions the management of the built water reservoirs is of primary importance for both: responding to high-wave and for ensuring the ecological flow and water consumption during drought periods. In order to improve the complex and significant reservoir management, it has been initiated a phased development of a Decision support system (DSS) with the appropriate modules. The u...

Collecting the development of historical theories, it must be concluded that first studies in the field of urban?rural interaction were analysed within the model of centre? periphery while the interaction of both 21st century theories are valued as an important part of polycentric spatial development. Although for the last 15 years scientists have actively focused on studies about urban?rural interaction and partnership, mainly just separate aspects have been studied, for instance, employment, migration, flow of g...

The early part of the last glacial period (referred to as Wurmian in the European Alps) was characterized by two long and relatively warm interstadials which can be traced and correlated across large parts of Europe. Detailed information about environmental changes and erosional/depositional processes during the Early to Middle Wurmian is available from sedimentary records preserved in glacially carved valleys and basins of the Alps and their forelands. Especially lacustrine sections best preserving palaeoenvironm...

Mining industry is still the only supplier of mineral resources, both metals, coal and other useful mineral substances. Transportation represents an integral part of the logistics system in each mining company. The most frequently used mineral transportation system is the truck transport. Loading and transportation is important part in the extraction and processing of minerals. The selection of loading and transport means affects the efficiency and performance of the whole operation. A choice of an appropriate loa...

The quality of spatial data plays a crucial role in environmental modelling and management, especially in local scale studies needing a detail mapping of vegetation elements in a mosaic, near-natural landscape. One of the sources of spatial data for such modelling is airborne LiDAR. Although LiDAR-based vegetation and terrain models are often considered accurate, their quality is dependent on the density of the original raw point clouds and the computation algorithm. The aim of this study was to answer a question ...

The main goal of young forest tending is to create suitable forest stands with desired structure of tree species and certain number of trees for ensuring of sufficient growth space. Tending needs to be done both in naturally and artificially regenerated young forest stands by creating composition of forest stand and releasing space for growth of most perspective trees, which is done by removing trees of poor quality and one lagged behind in growth. Thus tending has a great impact on creating productive forest of h...

Research is deservingly considered the one of the engines driving economy. Even in times of crisis, the economic entities that have focused on this activity have reaped its benefits, especially after the crisis had passed. Research and development is not just about finding new products, materials, etc., adopting or diversifying services, but it has taken into account the most important factor for the achievement of this activity: the human component. Without the involvement of humans in this activity, especially r...

The function of the soil is decomposition of organic matter, circulation of nutrients, retain and release of water and regulation of biological processes in the soil. Compacted soil and lack of organic matter disturbs this system in the soil. Project approaches a possibility to support biological soil systems by means of biostimulation as well as the possibility to promote soil biological systems using biostimulation. The effect of soil biostimulants on soil properties was studied in the territory of the Czech Rep...

Steel industry has a huge impact on the environment and the air, in particular, producing thousands of tons of gases, including blast furnace gas, gases from oxygen converter processes, coke industry gases, ferroalloy industry gases. Due to this fact, the removal of gas impurities is essential nowadays. In this paper we did the literary analysis of how to remove sulfur impurities from air emissions using different types of sorbing agents. This paper contains the researches about sorption of impurities using zeolit...

The article provides current data on the metallogeny of gold in the western part of the Altai-Sayan metallogenic province (southern Siberia), one of the oldest mining regions of Russia. The need in generalization of numerous geological, geophysical, geochemical and metallogenic data, forecast and revelation for new types of overlapping gold mineralization is relevant. The scheme of metallogenic zoning is given. Metallogenic subprovinces and zones are identified, and their geological structure and metallogenic spec...

At the end of the 18th and the beginning of the 19th century the process of formation and development of various branches of the chemical industry started. One of the important industries was the industrial production of soda. Soda was an essential element for the textile, leather, glass and soap industries in this period. In the first half of the 19th century. Russian entrepreneurs were looking for a way to make the production of soda cheaper. At the end of the 18th - first half of the 19th century soda in Russia...

Today it is difficult to imagine the area of human life, where polymeric materials are not used. However, the increasing consumption of polymers for packaging, as well as other household disposable products creates a problem of plastic waste and a threat to the en-vironment. The chemical stability of polymers makes it possible to withstand the effects of physicochemical (solar radiation, heat, humidity, oxygen of the air) and biological (microorganisms) natural factors for many decades without noticeable destructi...

The safety conditions of the underground works carried out for the coal mining process are ensured by longwall supports. The particularities of the system of hydraulic powered roof supports are given by structure of the supporting component, by the pumping station and respectively by the operating liquid and the length of the wall the activity of which needs to be ensured. The pumping stations used for the supply of the roof supports, also called hydraulic assemblies, are composed of: the oil in water tank, the pu...

We report the hydrogenation of furfural (FF) to furfuryl alcohol (FA) with Ru- and Pd-containing catalysts stabilized by hypercrosslinked polystyrene (HPS). Ru- and Pd-containing HPS-based catalysts were synthesized via wet-impregnation method. FF is one of the major ingredients of bio-oil produced by biomass pyrolysis, while FA is a source of value-added chemicals, thus, creating an effective path from biomass to important compounds. Different metal precursors were used for the synthesis of the catalyst. The natu...

With the increasing levels of pollution, it is necessary to take actions aiming at reducing emissions of harmful substances to the environment. Unfortunately, increasing demand for new goods and energy does not contribute to the decrease of concentration of harmful substances in soil, water or air. Unexpected uncontrolled releases of chemicals caused by breakdowns in production plants are also a detrimental factor. Adding exhaust and nitrogen oxide emissions from vehicles, the situation seems to be hard to contain...

The paper considers the problems of formation and handling of production and consumption waste, including solid municipal waste. The authors have shown that waste storage in the landfills will be the main method of disposal in the near future. It is necessary to carry out an integrated monitoring of environmental conditions in the area of landfills to minimize the negative impact on the environment. The article presents the general scheme of the life cycle of production and consumption waste landfills and analyses...

Stoilensky GOK is one of the leading enterprises in Russia in terms of production of raw materials for ferrous metallurgy. From the ecological point of view, ore deposits are natural sources of pollution because they contain many chemical elements. According hydrogeology, drainage, operation of the tailings dump, technical water after treatment process can be sources of pollution of the underlying aquifers. At the enterprise the operation of the seepage pit is mainly aimed at protecting from the Alb - Cenomanian a...

To analyze changes in land use on the territory of two regions of the Republic of Tatarstan - Sabinsky and Pestrechinsky, big satellite data analysis technologies were applied: retrospective monitoring of soil and land cover and measuring the intensity of land use. The remote sensing data arrays, consisting of 4,000 images from 1984 to 2018, were analyzed. According to the analysis of big satellite data, in the regions there was a decrease in arable land by 2% in Sabinsky and 10% in Pestrechinsky district. It was ...

AkzoNobel?s (now Nouryon) reagents from the class of alkylhydroxamic acids were assessed as collectors to float the titanium-based perovskite minerals. Hydroxamic acids can form strong complex compounds of various structures with transiting metals, which leads to their widespread use not only in analytical chemistry, but also in mineral processing. In the series of reagents under study, in addition to the traditional octyl-hydroxamic acid, we considered hydroxamic acids obtained from natural raw materials and diff...

The paper analyzes the vertical and horizontal deformations of the rockfill dam body of the pump-station hydropower plant (PHP). We are dealing in more details with geotechnical design and assessment of the reservoir lower dam. We concentrate especially to the results of mathematical modelling of the lower dam body and the asphaltic concrete sealing (both the vertical and inclined) as well as to possibilities of undemanding effect elimination. At the problem solution there was used numerical method of finite eleme...

The article examines the experience of using geographic information systems (GIS) in the preparation of specialists of geographers in higher education institutions of Ukraine. Educational and professional training programs for geographers at the Kherson State University are represented as a basic model. The main accent is put on differences of programs according to the existing three specialties, for which the training is carried out: 103 Earth Sciences, 106 Geography and 014.17 Secondary Education (Geography). Th...

It is a well-known fact that in today?s globalizing world, information, communication and IT are intrinsic to modern society. Information technologies have certainly affected the sphere of education, namely higher educational institutions. Progressive development of the Internet as a system of shared access gives new opportunities of acquiring knowledge. A specialist of the XXI century should be able to use information resources productively, as well as to think creatively and have communication skills. LMS (Learn...

The problem of global warming is currently very actual. In a recent year, some constructions projects have caused a rapid and, in many cases, ill-considered building boom. Many buildings were not being built with the greatest possible adaptation to the environment. People who lives in these locations can feel uncomfortable because of noise of construction machines, air pollution or reducing green areas. One consequence is the overheating of parts of the towns. Many of them are located in concrete places, where is ...

In study of 150 broiler chickens (Arbor Aires cross) was divided into five groups: control group, I - ultrafine particles (UFP) of Cr2O3 at dose of 50 ?g/kg of feed, II - 100 ?g/kg, III - 200 ?g/kg and IV - 400 ?g/kg. Growth-stimulating effect was confirmed by stimulation of protein metabolism (100 and 200 ?g/kg), growth of NO-metabolites (200 ?g/kg), triglycerides (100 ?g/kg, 400 ?g/kg). Functional significance of UFP Cr was expressed in activity of amylolytic enzymes in the blood plasma: on day 21 29.5% (400 ?g/...

There are pesticides with a scent and specific but also there are odorous phytosanitary substances, the latter being clearly more dangerous than the first because they do not warn about their presence in the air in the given case. Why do pesticides have negative effects? Pesticides are synthetic chemicals, foreign to the animal and vegetable kingdoms. They can not be biologically assimilated, so that after dispersions, they accumulate in the organs of the human body, in the soil and in the plants. In humans, pesti...

Lots of employers expect from their employees, apart from professional competences, a team work ability and ability to effectively implement team projects. However, few high schools and faculties in their curricula provide students with knowledge on teamwork, and therefore, graduates do not have appropriate competences in this area. In the course of studies, students usually learn about advanced IT tools for specialized applications, but they are rarely taught how to use groupware. As a part of the course on Infor...

The motivation for undertaking the research forming the basis of this article were the conditions for the design and construction of road investments on the example of the Warsaw Eastern Bypass. Particularly important in this multi-stage process of investment preparation is, at some stage, appropriate formulation of evaluation criteria and carrying out analyzes that allow to indicate the best variant of the route. Working out and accepting the final proposal often encounters difficulties in finding an agreement be...

In the context of the current climate change faced by mankind, a series of phenomena are emerging, which can pose problems to both several environmental aspects, including among others biodiversity and agricultural crops. Drought is a regional phenomenon which, through its impact on agriculture, can also have a bad influence on the economy. Apple farming, through its spreading area and its importance in human nutrition and health is also affected by this aspect. Based on high temperatures and a reduced amount of p...

In cement production waste of various industries (metallurgical, chemical, etc.) is widely used. This contributes to the improvement of environmental protection and intensification of the clinker firing process, as well as improving the quality of clinker by modifying clinker minerals. Due to the large variety of wastes, the decision to use them effectively in the production of Portland cement clinker should be based on the results of scientific research both in the laboratory and in the industrial environment.The...

The article dealing with optimizing of the foundation method a statically complicated bridge structure founded in difficult engineering-geological conditions. The Finite Element Method (FEM) was used to optimize the foundation method. Its mathematical apparatus makes it possible to take into account and define very complex and difficult boundary conditions of the solved engineering problem (material, geometric, static, etc.). The analysed bridge over the Danube River is located in Dunaujvaros (Hungary), which is a...

The early 21st century is a time when unmanned surface vessels (USV) are used in various measurement applications. Modern autonomous and unmanned vessels are increasingly often used in bathymetric measurements whose aim is to measure the seafloor with the sufficient positioning accuracy. Therefore, the use of USVs in hydrography can be seen as the beginning of a new era in this regard. This paper presents bathymetric measurements with the use of an unmanned surface vessel in waterbodies of the Republic of Poland w...

The water quality assessment on chemical and biological indicators of the Kuibyshev reservoir (Middle Volga, Russia) and the rivers ? tributaries of 1 and 2 orders was carried out. Based on the results of hydrobiological research, modal intervals of the total number of zoobenthos were calculated, as well as the proportion of oligochaetes in the community and the Woodiwiss index. The Woodiwiss index was used as the indicator of water quality on the base of characteristics of benthos community. The method of redunda...

The investigation of cellulose-based aerogel production and its application to oil product clean up from the water surface was performed in this research work. Three kinds of aerogel with 2.5, 5.0 and 7.5 wt. % of cellulose have been produced. The analysis of aerogel's maximum sorption capacity as well as its regeneration for sorption of crude oil, marine diesel oil (MDO) and biodiesel sorption from water surface were performed during this study. It was found that the best sorption properties have 7.5 wt. % cellul...

This paperwork makes an analysis of the influence that the noises and the vibrations have on a biomechanical model on the human body at different frequencies. Besides the harmful influence on the hearing acuity, the noises have also a harmful effect on the organism through the appearance of some changes on the physiological balance. Driving the car generates noises and them being received by the driver is done consciously, with pathological implications long-term. The harmful effects of the noises are amplified by...

The main aim of the work is to determine the distribution of waste mass in the process of mechanical transport on sliding, reciprocating and cylindrical grates. The mass distribution in a layer on the grate is caused by the loss of the waste material during combustion. The work uses the formulas from the literature describing the mass transport of waste on the grate. The scope of the work did not include experimental investigations of waste incineration in a layer on a grate, on a laboratory scale. The results of ...

Urban air pollution is caused by a combination of different sources. Their contribution to the air quality must be evaluated based on quite reliable data collected by the optimal net of the monitoring points. Under these conditions, the data on special marker compounds are to be obtained. But the selection of marker compounds and optimal places for control points requires to justify the distribution pathways of the pollutants. Thus, it is necessary to study the mechanisms of the accumulation of marker compounds in...

The article devotes to development of mathematical model of sawdust briquetting process, establishing relationship between the briquettes density, the moulding speed and pressing effort. The study uses elastic-viscous-plastic Bingham body stress-strain equation as a rheological model of the sawdust being briquetted, the model parameters are non-linear functions of the sawdust density; classical Runge-Kutta method was used for solving the nonlinear differential stress-strain equation. The calculations results show ...

In this paper, a mixture PVC/PHB was filled with a natural filler, such as wood flour (WF), was investigated. These polymeric composites were obtained by rolling. Thermal, thermomechanical and mechanical properties of polymer composites based on PVC containing various amounts of wood flour are studied. It has been determined by differential scanning calorimetry method that the glass transition temperature of PVC decreases with a decrease in the percentage of PVC in the mixture. For these composite materials, the T...

The topic addressed in this paper is related to two waste management (poultry manure) objectives: reducing environmental impact through combustion, and energy generation. Poultry industry waste is produced in large amounts and cannot be always used as a fertilizer. Its storage needs large sites, but if they are improperly designed could affect the phreatic groundwater. The paper is organized as it follows. The first part presents the energy characteristics the waste samples analyzed (they come from a poultry farm,...

Pressure cylinders are commonly used in industry and in health services as well as in laboratories, ordinary households, and accommodation facilities. Their usage, however, is collocated with considerable risk during filling, transporting, and usage, as well as storing. The risk is predominantly influenced by the type of gas inside the pressure cylinder. Gases inside the pressure cylinder can be liquefied, compressed or dissolved. If the cylinder containing gas is exposed to a higher temperature or fire, destructi...

The energy consumed by buildings accounts for approximately 40% of the total consumption and one-third of the greenhouse gases emissions around the globe. And as the demand for energy increases rapidly, a way of improving the utilization of latent energy around us is accomplished by the use of the Phase Changing Materials (PCM) in the building insulation to reduce the energy consumption rate by one of the PCM application categories, passive, active and free cooling methods. In this paper, an experimental model was...

In materials science, composites (nanocomposites) are materials consisting of a combination of two or more micro (nano-) and / or macrocomponents, which are different in shape, chemical composition and do not have significant mutual solubility. A distinctive feature of composites that determine their importance is that two or more noticeably different components when combined form a system that has significantly improved properties compared to the properties of its individual components. It is known that for most ...

The paper discusses the geochemical forms of some trace elements (As, Cu, Zn, Cr, Pb) which were identified in bottom sediments of rivers in different landscape conditions. Sediment types were divided into three groups in depending on the lithology and organic matter content: sandy and sandy-loam, typical for the northern part of the Semba Peninsula; silty-sand and loamy sediments with low (up to 7%) content organic matter (Warmia Upland); loams with high (up to 12%) content of organic matter (Polesskaya Lowland, ...

The study of soils in the vicinity of medieval settlement that has only one stage of anthropogenic impact at 5-8th centuries AD was established. For comparison, fertilized soils within the modern rural household were investigated. In order to study the microbiological properties of the soils in either case, series of soil pits were made at different distances from the settlement: in the area of regular manuring, in the area of episodic fertilization and in undisturbed areas. The determination of the number of ther...

Bituminous sandy rocks occur in the area between the river Volga and Ural mountains (Republic of Tatarstan, Russia) in the sediments of the Permian age. According to the mineral composition, they belong to the graywacks and are composed of quartz grains, feldspars, effusive fragments, etc. The study of their composition and structure was carried out in order to identify the factors of localization of oil and bituminous substances. However, mineral particles of pelitic and smaller dimensions remained practically un...

Thin-layer chromatography is a useful and environmentally friendly analytical tool still with potential for the future. As a planar chromatographic technique has a wide spectrum of applications and it can be complimentary to other chromatographic techniques like, for instance, high performance liquid chromatography. Separation on thin-layer was performed for the very first time by Izmailov and Shraiber in 1937-1938. They called the new technique spot or drop chromatography and used it for separation of selected pl...

The dynamics of the development of modern society dictates new requirements for the creation of a sustainable workspace or eco-friendly office. The functional state of the human body is an indicator of environmental friendliness of the working space. Therefore, a Green office is not only the creation of a comfortable, ecological space, ergonomic workplace, but also taking into account the whole complex of factors that can negatively affect the functional state of the organism. In modern society, a person has to li...

The changes of the welfare of the Russian citizens are explored in the paper. The time diapason taken into account is: 2000 ? 2018. The monthly wage index based on the Dynamic series of macroeconomic statistics of the Russian Federation data (2000-2018) has been explored. The mathematical models of the wage index of this time period have been presented. They are based on the ARIMA (p, d, q) models with p, q less than or equal to 5 (Autoregressive integrated moving average). Forecasts of these models are compared t...