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This article presents an analysis of the stability of stopes that is based on the mathematical modelling of stress-strain states and the criterial assessment of destruction of the heterogeneous layered rock mass encompassing a system of mine openings. The problem solution has been carried out in the plane strain state setting. The state of an undermined stratum has been described by an ideal elastic-plastic medium. The technological interbed and the roof of an upper bed have been modeled by a layered medium includ...

In order to make selection methods more efficient and to make improvement works perfect in developing new mustard cultivars at the Agricultural Research Station in Lovrin, we carried out a series of research and biometrical measurements starting from the necessity of better knowing specific variability, quantitative features, productivity features, the way they are passed on hereditarily, and the intensity of the correlations between them. The main objective of our research was the establishing the general and spe...

The active industry developing and the improvement of the life quality of the population of the planet Earth leads to a catastrophic situation due to the accumulation of various kinds of waste. This is a global problem that cannot be solved radically at present time. In the middle of the last century, it was believed that the more smoking pipes at factories and plants, the better i.e. the economy was developed. Currently, the situation has changed dramatically - pipes smoke rarely, but the amount of various kinds ...

The overall objectives for business sustainability have become increasingly more important for companies, and for stakeholders of the company. Socially responsible companies must be involved in creating and developing sustainable businesses, which gives them competitive advantages and added value. The theoretical frame of the paper is based on the model of value chain. Each element of the chain explores the Corporate Social Responsibility issues, adopted/designed by each functional department of the companies, ori...

The rapid growth of the archives of the publicly available remote sensing data (RSD) of the Earth turns them into big data. In fact, for every element of the RSD resolution, tens of thousands of scenes and hundreds of thousands of spectral values are accumulated. The processing of individual images and channels becomes difficult, if at all possible. On the other hand, the quality of traditional statistical information on the territory of Russia is decreasing. It is almost impossible to understand where, how much a...

This paper aims to highlight the superior agrobiologic potential and technologically of 21 hybrid elites, obtained by the hybridization of the varieties Muscat Iantarn?i x Canner (codified HI), Victoria x Black Pearl (codified BP) and Victoria x Victoria (codified A) and compared with the genitors. Since the hybrid elites selected from the experimental fields, have been highlighted by several descriptors, have been established correlations between all studied agro biological and technological elements: viability o...

How to use fermentation residues is a burden on many biogas plants. Incorporation into arable land remains the most common approach, although application costs represent approximately the same benefit for fertilization, despite the risk of soil formation and the associated degradation of the soil's ability to retain water. An alternative how to use spent dust is to re-enter into raw material of the biogas plant or a second alternative is to use dust coal as wall surfaces in the interior because of its sorption cap...

The last decades witnessed an explosive increase of the demand for digital data in the economy. This led to a significant growth in the number and the sizes of data centers. The energy used by the data centers has increased dramatically. This situation determined the quest for metrics that measures energy efficiency in data centers. A classical metric for measuring energy efficiency in data centers is PUE (Power Usage Effectiveness). It was introduced in 2006 by C. Malone and Christian Belady. It is defined as the...

Variable rate application (VRA) of fertilizers represents specific crop management where N is applied on the basis of information about field yield potential, plant health and quality. The main goal of this study was to assess the influence of nitrogen VRA (VRA-N) on grain yield and nitrogen use efficiency in winter wheat production. The VRA has been realized according application maps only for production and qualitative dose of N. Application maps for individual fields were prepared by SatAgro Company on the basi...

The purpose of the paper is to obtain a new composite material based on chemically functionalized nanoparticles dispersed in plastomer matrix. The dispersion of the TiO2 hybrid nanoparticles (filler) in a plastomer matrix (polyvinyl chloride-PVC) leads to a high-performance polymeric material with multi-functional, antibacterial, and plastomer-specific processing properties. The materials are suitable for biomedical and food industry applications and will be tested in terms of long-term stability, and antimicrobia...

Hungary, like other eastern European countries, has suffered from an energy deficit for the past several years. Energy consumption exceeds energy production, and the country remains dependent on mostly imported fossil fuels such as oil and gas. Renewable energy usage is mostly limited to hydro and solar power generation. Government, industry and academia have paid relatively little attention to geothermal energy as a source of heat and power generation. This study aims to identify and examine the feasibility of ha...

Technologies based on photogrammetric and remote sensing sensors represent the usual way for obtaining digital height and position data. This paper is dedicated to LiDAR data filtering for a DEM generation. The main purpose is presentation of a semi-automated method of filtering using mathematical and statistical algorithms for a valid data set. The method involves point cloud data filtering and interpolation. The principle of it is to validate an error free data set and construct the DSM from the last pulse refle...

In Poland, in the Upper Silesian Coal Basin, underground exploitation of coal seams has been conducted for numerous years, causing a gradual depletion of deposits from previously mined levels. Hence, the depth of mining works carried out each year increases by 5 ? 8 m on average. Currently, already several mines operate at the level of 1,000 m and greater. Designing ground support of excavation and maintaining its functionality at such significant depths has, therefore, become a very important issue from a practic...

The paper deals with the problem of evaluating the characteristics of information systems at the design stage. In the design of ERP-systems the most interest characteristic is not the average time, but the probability of timely delivery of different type messsages (for example, command, service, multimedia, files, etc.) from the sender to the recipient. In addition, the possibility of using the priority information management built on the basis of service disciplines of general form with mixed priorities must be c...

At the age of an increasing demand for energy we reach to an ever wider range of substances giving a possibility of its generation. A constant need for energy supplies is so strong that we are not prevented by the danger related to the storage or transport of such substances. Although we try to eliminate any risks, even a small human error may contribute to a tragedy. In the case of substantial and sudden depressurization it is impossible to conduct in situ tests at a large scale. An attempt at conducting an in si...

A particular importance in the behavior of asphalt mixture is given by the behavior of the mastic formed by the mixture of filler and bitumen. Depending on the type of filler, the mixture has a different behavior in taking over traffic loads and temperature variations. At the same time, an inappropriate dosage of this mixture may adversely affect the behavior of the asphalt mixture in operation. This paper presents the behavior of the MAS 16 stone asphalt mixture stabilized with different types of filler (limeston...

The article presents results of studies of physical and chemical features of accessory minerals (zircon, apatite) of Medvedev, Yukhta and Dzheltula Mesozoic alkaline massifs. The studied massifs are located within the Aldan-Stanovoy shield of the North-Asian craton. In the Mesozoic epoch, this area underwent tectono-magmatic activization, which caused formation of many deposits, including such unique ones as gold-uranium Elkonskoe, gold ? Lebedinskoe, Kuranakhskoe. Study of typomorphic features of zircons and apat...

Water resources are the national wealth of any country and one of the basic foundations of its economic development. The growth of cities, rapid industrial development, intensification of agriculture, a significant expansion of irrigated land and many other factors make the problems of rational water resource management more difficult. The activity of the mining and chemical enterprise mainly leads to the soil and the water pollution. After the closure of the enterprise, it is necessary to develop a remediation pr...

The contribution brings description of the mechanical properties of igneous rocks, particularly syenite from Kamenn? quarry within the T?eb?? Massif in Czech Republic. It is mainly focused on impact of triaxial compression testing in order to obtain data about the rock applicable for designing underground structures located at greater depths below the surface. The mechanical properties were determined from series of laboratory tests consisting of following procedures: (1) indirect tensile testing, (2) uniaxial com...

Brief The JOINTISZA Project (Strengthening cooperation between river basin management planning and flood risk prevention to enhance the stats of waters of the Tisza River Basin) creates transnational cooperation for next two years in the largest sub-basin of the Danube Basin. The project is funded through the Interreg VB Program of the European Union, the Danube Transnational Program (DTP 2014-2020) component, Priority Axis 2 (Responsibility for Environment and Culture in the Danube Region), Component 2.1 (Strengt...

Production and consumption of electricity is, in contemporary society, the significant technical indices and social level you have reached. The use of electricity involves electric power systems (ESS), representing the large technical systems, which shall incorporate the Assembly plants for the production, transportation, distribution and consumption of electricity. Within the framework of the ESS are retrieved hydroelectric power plants (CHE), which represents about 25 percent of the installed power in power stat...

The challenge for the International Maritime Organization IMO is to reduce and eliminate any adverse impact by shipping on the environment by increasing the emphasis on the role of the human element in environmentally sound shipping. Nautical students become familiar with the international regulations for the prevention of air pollution from ships such as the revised Annex VI of the MARPOL Convention during the IMO courses [1] or other subjects (i.e. Maritime Law) that are mandatory for obtaining the certificate o...

The aim of this study is to validate the possibility of using the 100 Megapixels Hasselblad Hd-6 middle format camera and Agisoft PhotoScan in the Cultural Heritage documentation. The subject of this investigations is the fresco decoration in one of the rooms in the Bieli?ski Palace in Otwock Wielki, near Warsaw (Poland). The frescos cover the walls of a room of 11,5 ? 5,5 m in one of the wings of the palace. The results of the data analysis convincingly show that a higher resolution can be obtained using a Hassel...

The paper deals with the problem of the influence of non-normative errors on the process of induction soldering of space vehicles waveguide paths. The application of the method of neural network modeling is proposed to solve the problem posed, which is a problem of classifying the errors of measuring instruments. As a tool, Deductor Academic software is used, which allows to conduct a wide range of analytical studies. The work presents the development of the structure of an artificial neural network for the classi...

Direct Red 80 is a commercially produced azo dye commonly used in textile industry. It belongs to a significant group of textile dyes with high chemical stability and resistance to biodegradation. Microscopic fibrous fungi of the genus Aspergillus, as they were isolated from the sludge lagoon (a place significantly polluted by industrial organics), were utilized for biodegradation of the dye. Experiments on static cultivation took place for 10 and/or 20 days, and the results obtained showed the ability of all appl...

The action of touristic development and valorisation of a territory and implicitly of ?ureanu Massif is influenced by the values of morphometric indicators such as hypsometry, gravity or exhibition. Tracking the territorial distribution of their values provides a first overview of the massive in functional aspect, outlining the personality and individuality of neighboring units. The climate and the component elements, influenced by the position of the area studied in Romania, which impose the main temperate and co...

The approximation of Kosovo legislation with the European Union (EU) acquis for the European integration process, is a complex one. Its complexity can significantly differ from filed to field. Moreover, the constant and rapid development of European environmental law makes this process even more challenging and demanding for Kosovo institutions. The aim of this paper is to provide a general analysis of Kosovo environmental legislation in the light of its approximation with EU acquis by using mainly the comparative...

Urban sustainability is a major pillar in the European Union policy towards reaching Paris Agreement targets. In order to support cities and local communities around EU in their effort to implement innovative solutions and integrated approaches to increase their resource efficiency and climate resilience, European Commission funds the instrument "Smart Cities and Communities" (SCC) as part of its Research and Innovation Programme Horizon 2020 (H2020). The overall approach is to define and implement sets of innovat...

This paper intends is to analyze and give a functioning overview of the national protection and competition development authorities in the Western Balkan countries. To explain how much these authorities are in compliance with EU rules and activities, to detail the implementation level of competition rules, to provide an overview how far these countries are in fulfilling their obligation based on Stabilisation and Association Agreement. Also, this paper intends to find the formula to build a strong and efficient Na...

The Digital Terrain Model (DTM) is a set of XYZ coordinates of appropriately selected points of the terrain surface created as its digital representation and the algorithms enabling the reconstruction of its shape in a specific area. The quality of a DTM depends on several factors like precision, accuracy and reliability of the measurements. This study was conducted in order to develop and evaluate the method enabling the analysis of the accuracy of the DTM without field measurements. The research was carried out ...

Cogeneration, or combined heat and power production (CHP), delivers both electricity and heat simultaneously, which achieves high overall energy efficiency. Although CHP technologies are state of the art, and advantages of their adoption are well known, 70% (European Union) to 80% (worldwide) of the existing potential remains untapped. Initiatives fostering more widespread uptake of cogeneration so far often focus on large scale electricity supply schemes combined with the operation of district heating, while the ...

The magnetically recoverable biocatalyst was developed. The catalyst support is based on magnetite particles (MPs) composed of magnetite particles and coated with the amino terminated silica layer to facilitate further functionalization. This functionalization involves the attachment of the glutaraldehyde linker followed by the covalent attachment of horseradish peroxidase (HRP) via its amino groups. The catalyst was tested in the reaction of 2,3,6-trimethylphenol (TMP) oxidation to 2,3,5-trimethylhydrochinone (TM...

The authors of this article describe the suitability of using light dynamic penetration in the target area. The area of this survey was selected on the already reclaimed area, which, however, proved to be unstable. The main objective was to locate individual water-saturated horizons in the locality and, eventually, to determine the shear areas on which instability occurs. For this reason, several geodetically measured points were selected for dynamic penetration measurement. By this method, the water-saturated hor...

There is a continuing need to improve the quality of stochastic models for quantitative river flow modelling and forecasting. Since these time series are nonlinear in general, it is also possible to explore the fitting, forecasting and simulation performance of models, which account for the potential of heteroscedasticity in these series. Due to the nonlinearity of the runoff process such analysis needs to be conducted on a case-by-case basis. The goal of this case study is to test a methodology for stochastic mod...

Background. The issues wound-healing is relevant to the present. Wound-healing is a complex process which involves the accumulation of fibroblasts in the dermal damage zone, the synthesis of scleroproteins, wound retraction, epithelization. A promising direction of research is the creation of application prolonged dosage forms of transdermal appointment based on synthetic polymers and natural origin. At this point, a natural polymer collagen can be considered the most promising raw material in the development of s...

At the present time many building of Arkhangelsk are built based on standard project. In the main these project don?t take into account the negative factor of northern conditions. For such territories of cities it is necessary to create specific conditions for the formation of human habitat, including special color solutions. The study analyzes the features of the formation of a harmonious color environment and the factors of color. Also the need of using the concept of forming an urban environment based on the co...

Accessibility to urban facilities and public services is nowadays one of the key factors that impacts the quality of urban live. That being said, accessibility is a complex concept, which although in common use, has a range of meanings, and measuring it raises numerous methodological problems. For instance, accessibility is closely related to the concept of distance, but as a society evolves, other factors such as travel time, economic cost, different transport options, interest or attraction of the destination co...

Multispectral method can be used for applied tasks of ecological control of parameters of water environments in the near-surface layer. With known parameters of aqueous media, it is first necessary to solve the direct problem of calculating their spectral characteristics. The solution of the inverse optical problem, for example, using regression equations, makes it possible to determine the parameters of the medium behind the results of multispectral measurements. The aim of the work is mathematical modeling of mu...

The purpose of this paper is to evaluate human exposure to whole-body vibration on a ship and to find a relationship between the value of the vibration parameters transmitted by a ship sailing on the Danube to the sailors and the magnitude of their perception. Experimental: A) Whole body vibrations transmitted to sailors working on a ship sailing on the Danube were measured. The experiments were made in the summer and the Danube had small waves. There were 3 subjects that were placed successively for 30 minutes in...

The main cause of excessive waste generations is irrational resource management. Waste collected on landfills can be used to a large extent as secondary raw materials, valued at several hundred million dollars. In material management, the use of raw materials and materials from recovery is more and more important. Many materials of mineral organic origin are returned to the production in the form of secondary raw materials. The utilization of waste means that in industrialized countries, the demand for materials i...

In the conditions of the deterioration of the structure of reserves of conditioned oil, development of non-traditional sources of hydrocarbon raw materials is becoming one of the promising directions of increasing the resource base of hydrocarbons. The work is devoted to the identification of changes in the chemical structure and composition of super-viscous oil as a result of steam-heat treatment in the presence of mineral compounds of carbonate reservoir rocks at temperatures of 250-300°C and pressures up to 1.6...

It often becomes necessary to evaluate the stress state of the rock massif when developing deposits of solid minerals. Timeous obtaining of data on geomechanical condition of rock massif provides the opportunity to estimate the level of stress and strain fields? development in the mining area and to address the possibility of the occurrence of unfortunate events associated with the rock pressure and gas-dynamic processes. Also, this information offers an opportunity to select effective and safe design schemes and ...

Neural network method is used to solve complex modeling problems such as classification, estimation and pattern recognition. There are two main categories of ANNs which can be applied whether in regression or classification: the supervised and the unsupervised. In supervised model, all the data is labeled and the network is learned to predict the output values from the input data as previous experimental. In unsupervised model, all the data is unlabeled and the network is learned to inherent structure from the inp...

The collapse of the USSR has become a great opportunity for Azerbaijan to initiate and develop energy cooperation with the West because it is a country with large oil and gas reserves. After signing of "deal of the century" in 1994 first inflow of foreign capital allowed the development of new fields (Azerri-Czirag-Guneszli), building independent transmission network of energy resources to Europe (pipelines Baku-SUPSA, BTC and BTE), improving the condition of the Azerbaijani economy and the strengthening of Azerba...

In the era of the increasingly implementation of renewable energy sources in the electrical energy supply, the expansion of a sustainable energy industry must be promoted the resulting increase in storage requirements. The Gravity Hydro Power Tower Energy Storage (GHPTES) is an innovative hydraulic energy storage system based on pumped storage technology. It consists of a vertical cylindrical cavity, filled with water, in which moves an overload piston from steel at smaller storage systems or from rock at large st...

Geoinformation system INTEGRO is intended to store and visualize geological map (scanned and vectorized), geophysical, geochemical and primary geological data, aerial and satellite images, borehole and three-dimensional data. It is also able to construct geological maps, forecast mineral resources and support studies of the deep structure of the Earth. The system is multi-window and is equipped with the synchronization mechanism in different windows for joint visual analysis of various information types. There are...

This paper pursue ways of effective utilization of surveyor mining documentation fundaments in practical application of mining design and additional following professions. Special emphasis is put on utilization of historical documentation fundaments, nowadays stored in archives. Principal part of paper is dedicated to reverse construction of Pokrok fill solid foundation from analog and digital documentation and 3D interpretation of the results. 3D model of material distribution in the dump body is final result of ...

The last cycle of the glacial history including the glaciation of the Late Pleistocene (100 to 11 kyr BP) and the modern interglacial (Holocene) is a key period in climate research. Understanding the mechanisms of growth, dynamics and decay of ice sheets (the Laurentide ice sheet in North America and the Scandinavian ice sheet in Europe) provides information to understanding past global climate changes and more reliable predictions of the future climate. The direct source of information on the temperature regime a...

In the understanding of the world economy, production factors are natural resources, capital, labour, undertaking and information. Availability and quality of the production factors in time is limited in proportion to the needs, consequently rational and efficient use of production factors play a significant role. The aim of the research is to reflect the availability and quality of the production factors in the Latvian fisheries sector. On the grounds of the methodology offered by the author and guiding by the av...

Rocks can be structurally represented as layered bodies, whereby the layers can be located at different orientation angles with respect to the original ground. Such angles are usually called the bedding angles. To avoid mistakes in the calculations of the stress-strain state of rock massifs, it is very important to take into account the dependencies of mechanical properties of layered rocks on the bedding angle. Also, rocks are at a certain depth under hydrostatic compression conditions. For an adequate simulation...