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The results of long-term investigations of the 137Cs, 90Sr, and 241Am horizontal distribution in the upper soil layer in various ecosystems on the territory of the exclusion zone of the Chernobyl NPP are presented in the article. The research was carried out in 2011-2017 in the Belarusian sector of the exclusion zone of the Chernobyl NPP on the experimental sites near the research station "Masany" of the Polesye State Radiation Ecological Reserve (about 10 km from the epicenter of the accident). The horizontal dis...

A catalogue of fault plane solutions for earthquakes recorded in Romania between 1929 and 2012 is analyzed in order to outline statistical features of the fault plane solutions in correlation with the earthquake-prone areas in Romania. The catalogue contains both groups: crustal earthquakes (h < 50 km) and intermediate-depth earthquakes (h > 50 km), but only the crustal earthquakes are analyzed here. The catalogue covers mostly the area in front of the Carpathians Arc: Moesian Platform, Barlad Depression, North Do...

Poverty is inherent in all countries of the world and is the result of various factors. The world's poor are especially vulnerable to the environmental challenges. Transition to "green" economy can contribute to the eradication of poverty. In order to eradicate poverty one should know its real size. In this research authors give more precise estimation of the well-being of Russian households based on the calculation of equivalent income. For this purpose data from the Russian Monitoring of the Economic Situation a...

A few years ago, I start asking myself how my profession (i.e. accountant) will change under the IT impact and how AI would affect humanity. I consider this article provides important answers for the accounting profession since last technologies are capturing new horizons and particularly, accounting is changing under the IT signature. This paper intends to emphasize the changes which accounting will support under the emergence of new technologies and how much AI marks accounting in this technological environment....

Disturbed areas show in a most emphatic way the adverse impacts of man's production activity and damage to nature. At the same time, the conflict between economic and environmental considerations is unavoidable. The disturbed area in Bulgaria by 2017 is 104 960 ha. While some of the disturbances in a part of it (abandoned industrial sites and areas) are mostly passive (mainly related to land use change as a consequence of soil sealing), those related to energy and mining/coal mining that are still under operation ...

Geography cannot be limited to simple and in brief statements in contemporary society and real life. The comprehension of reality and its different and complex aspects assumes the complexity of the geographic research. And the philosophy of construction of the educational (school) geography could not ignore that fact. At the same time, the repeating didactic problems and realities require to answer the following questions: In what is encoded the school geography significance? What are the limits of geographic know...

Being the most important component of ecosystems, groundwater largely determines not only its properties and structure, but also its ecological qualities. Given the unity of natural waters - the Earth's hydrosphere, it is necessary to recognize that hydrogeoecological problems, as well as ecological in general, of which they are an integral and integral part, are also characterized by a certain hierarchical structure. Modern environmental problems, from global to regional and local, are associated with the growing...

Over the 21 century, the analysis of human capital has taken on a progressively more central role in discussions regarding the growth and success of nations and regions. The systematic development of human resources has for some time been an important consideration for national policy-makers throughout much of the developed world. Human resources, traditionally known as labour, are vital in order to support and ensure continuous regional economic growth. Human resource development (HRD) refers to the stock of prod...

New materials based on Au and Ag nanoparticles stabilized in a matrix of microcrystalline and bacterial cellulose were prepared for medical applications. Au and Ag nanoparticles were synthesized in i-PrOH by metal vapor synthesis (MVS) and incorporated into the polysaccharide matrix using metal-containing organosol. The MVS is an efficient route of purposeful synthesis of metallic nanoparticles and their derived composites. Microcrystalline cellulose brand Avicel PH-101 with a polymerization degree of 180 and an a...

The water supply infrastructure is being under an ample process of reconstruction in Dobrogea. Our study focuses on the drinkable water supply system in a village of about 1000 inhabitants, situated in Southern Dobrogea. The system is fed by groundwater pumped from a single well and stored in a reservoir. The water flows by gravity through the distribution network. Specific for this system is the position of the source, which is placed in the middle of the village where the terrain elevation is the lowest. The net...

Due to their huge volumes, toxicity and destruction resistance petroleum and petroleum products are the most important polluters. The source of oil pollution is not only oil extraction processes, but also oil transportation, refining and use. Ecologically safe and effective way to clean the environment off petroleum hydrocarbons is bioremediation. The effectiveness of oil-oxidizing biological products is ultimately determined by the activity of contained hydrocarbon oxidizing bacteria strains. The search, isolatio...

Central Northern Bulgaria falls within the range of the North-Bulgarian artesian basin, characterized by a wide spread of storey aquifer system. The main aim of the present study is to characterize the features of the chemical composition of groundwater in the three most important pressure aquifers in the studied area (Senonian, Upper-Jurassic ? Lower-Cretaceous and Triassic), which are formed in carbonate rocks with Mesozoic age. In the background of the regional hydrogeological conditions, spatial change of the ...

Open pit reclamation is the final phase of mining activity to which every owner of the mining company is obliged. The selection of the target concept of the direction of decommissioning and reclamation of such excavation must be preceded by an analysis of the most optimal effects resulting from socio-economic and technical-environmental needs. The main research area on which research is being conducted is the sand open pit in the final phase of operation, whose excavations are simultaneously recultivated by their ...

In the research phase of nuclear materials from the Backa area (NW of Serbia), hydrogeochemical prospecting was applied, which covers an area of about 500 km2. Samples were collected from surface water, from sources and wells, and bores. Combined hydrogeochemical methods included the examination of U, Ra, Pb, Zn, Cu, Mo, Li, Sr; anions HCO3-, SO42-, Cl-; cations Ca2+, Mg2+, Na+, K+, as well as the determination of SiO2, Eh, Ep and pH values. Additional testing determined the water content: NO3, F, Br, J, P. Value ...

To assess the hydrogeological conditions and indicate the major components of the water balance in the landfill area, located in the border of the city Tychy, southern Poland, a modeling investigation was applied. Groundwater flow model on the local scale for steady-state conditions for the year 2016 was created in FEFLOW environment, ver. 7.0. Modeled unconfined Quaternary aquifer was calibrated against hydraulic head measurements from 18 observation wells, 10 of them surrounded the old site of a municipal landfi...

The aim of the study is to elaborate an understanding of the impact that endogenous processes have on the development of erosion patterns on flatlands (within aseismic platforms). Most of the studies based on river flow simulation cover very limited areas (one river basin, one ravine, one stream) and a narrow time range (days, months, a few years). The scope of the study can be expanded by modeling the erosion-tectonic relief. The object of this research is a rolling plateau in the east of the East European Plain....

River basin management is at present of great importance as a response of the increased frequency of extreme hydrological events in a changing climate. The emerging need for streamflow control awaits a capable hydrological outcome. Data collection and processing are the essence of a proper representation of the hydrological processes in a watershed. The main objective of this study is to introduce an approach for a watershed spatial variability processing hence determining the parameters for building up a hydrolog...

The main factor for determination the floodplain terrace as a geomorphological body is the inundation of the bottom of river valleys by flood and high waters. However, to determinate a high floodplain and separate it from other terraces, it is necessary to use other natural components. Expeditionary and field research conducted by the Kazan Federal University on the study of small and medium rivers (more than 156 completed) in the Middle Volga region from 1983 to the present time made it possible to determine that...

Electronic waste is becoming a serious environmental and economical concern worldwide. The annual growth rate of about 4-5 % in 2016 is one of the fastest growing waste stream in municipal wastes and only about 20% of e-waste is recycled. The rapid growth in the use of electronic equipment caused by various socio-economic reasons has contributed significantly to the generation of large quantity of e-waste. After the use-phase, the electronic devices become electronic waste (e-waste); consequently, it is important ...

This paper deals with validation of an enhanced mathematical model for description of coupled heat and moisture transport which is able to model ice forming processes. This phenomenon is usually neglected because of computational difficulties even if it has a significant influence on heat and moisture transport. For the sake of model validation, data gathered by means of semi-scale experiment was used, analyzing a hygrothermal performance of a real building assembly ? an external wall. The wall was exposed to dyna...

A distinctive structure has ascertained in the area of the Western Carpathians on the bases of the Remote Sensing, in the past. Their explanation and verification has not yet realized, even though all structures have regional character and many morphological signs, which ambiguously point out recent activity and deformations, including the present earthquake foci. Among mentioned structures belongs to the interpreted non-linear structures - ?gravity nappe? in the western part of the Nizke Tatry Mts. and adjacent a...

The issue of spatial development of post-industrial facilities and areas is currently one of the most important challenges of planning urban development. The renewal and revitalisation of such areas is part of contemporary trends involving optimal and sustainable development of urbanised areas in order to create a compact city, i.e. one efficiently using its spatial resources. The implementation of revitalisation projects is a complex and expensive process which often requires remediation or reclamation, and consi...

The identification of fluid contacts (gas-water contact ? GWC, oil-water contact ? OWC and gas-oil contact ? GOC) is essential for field reserve estimates and field development and, also, for detailed formation evaluation. For the accurate calculation of some petrophysical parameters, such as porosity, the reservoir interval has to be zoned by fluid type, to account for differences in fluid saturations and fluid properties (e.g., hydrogen index, density, sonic transit time) in the various intervals: gas cap, oil c...

Water elements represent a significant part of the environment of cultural heritage sites, conservation zones and areas. The environment quality of such water elements is threatened by many impacts, including water pollution, nutrients etc. The article presents results of the phosphorus contamination of selected typical water elements and its systems and the course of the water trophic potential during the year 2017 of the mentioned water elements. Generally, the research tried to answer the question, if it is pos...

The existence of the traditional human resources department within the organization has always been of interest to organizations as a whole, especially for the agribusiness sector, as this sector faces difficult working conditions. They offer products that cover the basic needs of the population by having an important social role, so it would be interesting to analyze human resource patterns and show us how much was their integrity and application is today. Therefore, by analyzing the application of each model in ...

The paper presents research results from combusting high-energy solid rocket fuels (propellants) in laboratory rocket motor (LRM). The process of combusting high-energy fuel is characterized by fast chemical reaction, which causes creating a gaseous product with high pressure, which is able to produce a secondary system of fractures in the coal. The value of pressure from combusting propellants can be controlled in a laboratory rocket motor by an appropriate selection of mass of the fuel and the diameter of the no...

An optimal soil density has become an object of more extensive research at the end of the 50's, and the increase of research took place in the recent decade. Authors of these works assumed that traditional cultivation causes too great scarification of soil. Therefore, they performed experiments the aim of which was determination of the impact of soil kneading on plant yields. In the majority of experiments, by means of suitable soil compaction directly after sowing, a significant yield increase was observed, amoun...

Growing problems of environmental protection related to the increasing soil degradation and increasing effects of climatic changes require searching for new, more efficient, and cheaper solutions that maintain relevant parameters of soil. One of the suggested solutions of present problems in the area of environmental protection is biochar, namely carbonate obtained from the plant biomass and organic waste pyrolysis. The use of biochar in environmental protection brings advantages, inter alia, such as a possibility...

The agriculture is a sector where the impact of climate change leads to high risk and vulnerability in farmers' activities. The negative consequences are reflected in the direction of changes in agricultural land, decrease in productivity, soil erosion, salinization, deterioration of the conditions for raising animals and others. Tackling such problems is a challenge for farmers trying to balance the need to produce enough food for the population and, on the other, to mitigate the negative effects of climate chang...

Source water for water treatment plants can contain various mechanical and biological impurities and are usually removed in sedimentation process. This process highly depend on phase composition and morphology of solid phase which is present in suspension. Due to the fact that morphology of non-grain suspension determines hydrodynamic properties, such as porosity, permeability and even density, it is crucial to identify the primary constituents of that kind of aggregates. The main aim of research presented in this...

Dust which comes from the flue gas purification in the process of thermal transformation of municipal wastes is classified as dangerous wastes. Their management poses a big problem. As a method of safe management, the dust may be used for the production of concrete as a partial replacement for the cement. By applying immobilization it is possible to reduce dangerous compounds and the material obtained becomes safe for the natural environment. Such a form of the dust application corresponds to modern waste manageme...

Share of birch is increasing in hemiboreal forests mainly due to its superior natural regeneration capabilities and afforestation of abandoned agricultural lands. It is more wind-firm than Norway spruce, thus it could be even more favoured in context of climate changes, linked to worsening wind climate in this region. Historically, target species of forest management had been coniferous trees. Therefore, aim of our study was to evaluate the effect of thinning regime on net present value of birch stands. Sample plo...

The influence of the quality of life of urbanized areas in Slovakia is directly dependent on the development of transport. Both sites transport - transport infrastructure and transport services - are not only assessed in terms of the levels of traffic volumes or traffic flows on the urban road network. Recently, mobility and accessibility have been at the forefront as the main quality service of land use. On the other side, there is no uniform principle of their parameterization to determine the procedure for asse...

Best Available Techniques (BAT) have been used as the instrument of the industrial emissions minimisation and environmental modernisation of industry since the 90s. Researchers and practitioners believe that the most advanced methods of the BAT assessment have been developed and implemented under the European Integrated Pollution Prevention and Control (IPPC) and Industrial Emissions Directives. BATs in the European Union are defined and revised through an official framework: the Sevilla Process. It sets a step-by...

Background: This article is devoted to the question of correction system implementation. The correction system is necessary to provide the ability of autonomous navigation the unmanned airborne vehicle. We can see a lot of examples of terrain landform correction systems and ?synthetic aperture radar? ? based systems. But in the case of using information about lengthened objects, we have a great opportunity to provide robustness objects, which we can reliably cross during our flight. Nevertheless, these objects sho...

The present paper mainly considers payments for Negative Environmental Impact as an instrument of economic mechanism of stimulating rational nature management and ensuring ecological and economic security. The authors suggest ways of improving the economic mechanism to stimulate environmental management, in particular, the directions of enhancing the incentive function of payments for Negative Environmental Impact (NEI) for the purposes of sustainable development. The authors have developed the system of fines pur...

Background: The group of recipients of enterprises? financial statements is gradually growing on the European and national scale, as well as their expectations towards the information quantity and quality. They also expect increasingly detailed information on enterprise?s impact on the environment (CSR), which translates into an increase in non-financial information disclosures. The European Union has engaged in promoting CSR reporting, both for the social good and raising the competitiveness and innovation of Eur...

Schemes of cleaning-up deep iron ore deposits using open pit mining method from mining-capital operations and land saving perspective are analyzed. It was established that the cleaning-up of border reserves with a pit side separation is expedient in the operation of shallow open pit mines. Cleaning-up of open pit mines with an increase in the resulting angle of slope of the side at the partial abandonment of transport communications is expedient at the transition stage from the auto truck-rail transport to the aut...

The paper presents the studies of an improvement of techniques for energy saving management on the principle of sustainable development. The authors proposed a hypothesis for the sociocultural, environmental and economic aspects of the sustainable development principles and their correlation with the management of energy-saving procedures in civil construction. Qualitative and quantitative efficiency from improving techniques of energy-saving managing are highlighted. The baselines of the energy consumption are id...

The relevance of the results. Significant natural resource potential of Russia requires its prudent use. At present, environmental management programmes have been adopted and are being implemented in most countries of the world. In the European Union (EU), environmental production per unit of GDP has increased by more than 50% in the last decade, and the world Bank estimates that six trillion euros should be invested in clean technologies in developing countries in the next decade. Russia has a system of measures ...

One of the perspective directions of simulation and modeling tool development is the problem orientation, which allows reducing the requirements that presented to a knowledge level of end users in the programming area essentially. Using the software package in a system for dynamic modeling of multi-agent resource conversion processes (MRCP) BPsim (Business Process Simulation), a simulation model of the workstation workflow was built to make experiments to determine the workload of posts and identify bottlenecks in...

Simulating direct runoff is vital, especially with regard to flash floods. The frequency of flash flood events increases as they are concomitant phenomena of the climate change. Considering the difficult prediction and rapid onset, as well as often lack of input data, the Soil Conservation Service curve number procedure (SCS-CN) poses a useful approach applied globally. Nevertheless, the method was developed for small agricultural watersheds in the USA, thus demanding corresponding modifications in order to provid...

This paper discusses the method of increasing the recovery rate when developing deposits of terrigenous sediments at a late stage by involving inactive wells into the field development using sidetracks covering undrained areas. In order to estimate the predicted flow rates of wells with horizontal sidetracks, calculations were carried out for seven wells using four analytical methods for wells which are in the pressure observation well stock, suspended well stock, inactive due to the reaching limit by water cut an...

Cyanobacteria are the main components of the phytoplankton in many freshwater and marine ecosystems. So far, about 150 genera and over 2000 species have been described. Although they are one of the most ancient groups of organisms, their taxonomic classification is problematic even today, due to the lack of clear diacritic morphological features between the closely related species, the high variability of the morphological features used for taxonomical purposes depending on the environmental conditions and the occ...

Technological parameters of the introduction of grapes into the in vitro culture have been improved. The use of growth regulators (6-BAP, 2iP, kinetin) contributed to the enhancement of rhizogenesis and an increase in the coefficient of in vitro plant reproduction. New methods for adapting grape plants that were in vitro improved to in vivo conditions at the reproduction stage have been studied. It has been shown that all concentrations of lingo-humate had a positive effect on plants, which in turn contributed to ...

The development of the most efficient technology is extremely important to synchronize work on the laying yielding strawberry parent plants. The main link here should be the material obtained in vitro. The most vulnerable element of in vitro technology is adaptation to non-sterile conditions, when it is very difficult to simultaneously control a large number of factors and when very large plant losses are possible. The fundamentally new method of adapting microplants to hydroponics has been tested and allows us to...

Development of the mining industry has influenced the formation of the landscape throughout the history of mankind. In some cases, it can have disastrous consequences at both local and regional levels. Such situation arose in the south of the Western Siberia in the 18th - early 20th century. The research group focused on the manufacturing complex of Kolyvano-Voskresensky (until 1834, and Altaisky after that) mountain district which became not only the main supplier of fine silver for the Russian Empire, but also a...

The world around us is constantly changing, which implies a good organization of all existing resources, especially labor resources. At times, there is a demand for goods or services that require a very high workforce. In other situations, all this is reduced and other economic processes and phenomena attract. These changes need not only be understood, but also predicted, in order not to have unpleasant events. Usually employees and employers are people, most of the time, without training in the economic field. It...

In the years 2011-2017, 21 boreholes were drilled in the area of the Grodziec syncline as a part of exploration and prospecting works related to copper ores. The borehole recognition was complemented with 2D seismic reflection survey in 2017. As a result, the geological structure of the Grodziec syncline located in the E part of the North Sudetic Synclinorium (south-western Poland) was made more detailed. It is a secondary synclinal unit formed in the alpine orogenesis as a result of block movements of the crystal...

Traffic management systems are used usually to try to reduce congestion and improve road safety. The main sources of pollution at European level are cars. In the present paper, it presents the effect of these traffic management systems on vehicles emissions and pollutions. It presented the most frequently types used by traffic management systems and assessment of their possible effects on vehicle emissions and consumption of fuel. In 1990, the number of local public transport journeys was 2.5 billion, of which 52%...