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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 ...

Anthropogenic pressure on water resources in Moscow and Moscow region has reached a critical level, due to the decrease in surface runoff and the transition of rivers to groundwater supply during low water. With the formation of runoff, the hydrological and hydrochemical parameters of water change dramatically ? wastewater discharges from settlements and industrial plants cause great damage to the ecology of the river, and the possibility of dilution and the ability to self-purification of water decrease. Any rive...

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....

Since 1998, MHI has been monitoring the hydrological and hydrochemical characteristics of the waters of the Sevastopol Bay. The purpose of this work is to study the hydrological characteristics of the waters of the Sevastopol Bay, according to the expedition research data of the MHI in 2006-2018. This paper uses data from 34 surveys from 2006?2018. Studies during the majority of surveys were carried out on a grid of 36 stations, with 3 stations being performed just before going to the bay, the rest in the Sevastop...

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 ...

The article is dedicated to the study of hydrometeorological parameters on a stationary oceanographic platform in the Black Sea. The research paper contains the description developed in the Marine Hydrophysical Institute?s complex for measuring meteorological parameters (wave height, wind speed and direction, free-air and sea temperature, barometric pressure, relative humidity). The measurements were carried out on a stationary oceanographic platform located in the coastal zone of the southern coast of Crimea at a...

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 construction of bridges over watercourses is a practice that is vitally important to provide communication links between population areas. It is significant to understand the hydraulics, hydrology and geomorphology of the watercourse, and how these factors will affect and be affected by the bridge structure in order to ensure the safety and efficient design of these water crossings. The village of L'Ile-Bouchard is located in the center of France. Increasing of traffic is one of the most serious problems in vi...

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...

Background: An important role in the economy of every country is played by entities operating on a small scale, i.e. small and micro entities. Some of them are obliged to keep accounting books, and thus to prepare financial statements. The preparation of financial statements cannot be too burdensome for micro entities, as they have limited financial and organizational capabilities. It is therefore important that the costs of preparing financial statements are balanced with the benefits derived from the use of the ...

Actually progressive technology can be helpful for sustainability achievements. Sustainability it?s not only trend, but an unnecessary need in every field. Correctly planning and designing are first steps and main aspects to achieve sustainable development, economic, social and environmental in construction industry. Building Information Modelling presents tool which meets the information requirement for sustainability design. Building Information Modelling (BIM) is one of the most progressive technology in constr...

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...

Water quality of the urban rivers become a critical issue in some regions of Russia including Kaliningrad region. Since the processes of development have affected already existing urban industrial sites in a number of cities in the region and lead to formation of the new, certain risks have arisen for rivers flowing through the territory of new industrial clusters. In this regard, it was estimated the ecological condition of the rivers in the area of industrial load on the following indicators: 1) assessing of the...

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...

Wood protection is carried out in accordance with the requirements for the specific applications. It is commonly admitted to perform class 2 and 3 coatings for surface finish according to EN 335. The effect and interaction between wood mass and amorphous titanium dioxide are investigated in order to improve the quality of surface finish. Coatings with planar particles of titanium dioxide were used for dispersions applied on wooden surface in a transparent layer. The interaction between the wood surface and TiO2 wa...

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...

The ambient temperature inside a building is essential for occupant comfort, and it influences directly the interior microclimate. Keeping the inner temperature at an optimum value involves energy consumption for heating and cooling. Energy consumption can be reduced by integrating phase change materials into the structure of the building. In thermal regime, with the integration of phase change materials, an integration model based on a mathematical method suitable for a thermal process analysis is described. This...

Background. The issue discussed in this paper is caused by the historically established opinion that in thermal reactors the fission of uranium-235 by fast neutrons, which are formed during its fission by thermal neutrons, can be ignored. The purpose of the study is to assess the effect of the fission of uranium-235 by fast neutrons on the nuclear safety of a thermal reactor. Methods. For the study, the method of comparing fast neutron multiplication coefficients in the fission of uranium-235 by fast neutrons and ...

Several tunnels are currently under construction in Slovakia and others are in process of preparation to be constructed. The most commonly used technology in Slovakia is NATM. One of them is the Milochov railway tunnel, which together with the bridge and another tunnel of works, will be located on the reconstructed part of the railway line between Puchov and Povazska Bystrica. The tunnel is designed for rail transport as a single-tube, double-track, with a track spacing of 4,200 m for a design speed of 160 km/h, w...

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...

Metropolises are undoubtedly associated with large and significant areas. These areas are important in case of technical, social, cultural and industrial terms. However, it is difficult to name metropolises as ?cities? in the traditional sense of this word. In our socio-cultural reality, from individuals, objects, companies, which are "larger", "older" or "more developed" and "more mature", more is required. On the example of the Silesian metropolis, the author shows interdependencies taking place in the instituti...

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...