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Gelnica is a town in the Kosice Region of Eastern Slovakia. It is located in the northern part of the Slovak Ore Mountains, in the Hnilec river valley, which flows a few kilometers downstream into Hornad. The town lies at the both banks of Hnilec, has an altitude of 375 meters and is located around 38 kilometers from Kosice. Gelnica is a city with rich mining history and by precisely utilizing its history we can develop tourism in the region. Beside history there is beautiful nature around the city, which offers m...

Phosphates are one of strategic mineral resources that provide the food safety of any country. The specific feature of the raw-material base in the Kola region is the endogenic type of apatite deposits. All industrial reserves and resources of apatite-nepheline ores (ANO) are confined to PZ alkaline-ultrabasic carbonatite complexes and, mainly, to the Khibiny massif (KM). 15 unique apatite-nepheline deposits and occurrences are located here. Some of them are the world-class scale. ANO of the KM are highly eco-frie...

The Caspian region possesses a great potential in revealing of new deposits of oil shale. To date, there are five fields identified of this hydrocarbon type confined to the Volga tier of the Upper Jurassic period: West Shagan, Black Zaton, Tuksai, New Alexeyev and Karatobe. Their productive strata expose to daylight surface on slopes of salt domes. Regionally, these deposits belong to the Volga shale basin, most of which is located in the territory of Russia. Large deposits of oil shale with high technological ind...

The article presents the results of monitoring the availability of the irrigation equipment?s production in the Russian Federation. On the basis of the conducted information and analytical studies, the data are presented on the structure of the irrigation equipment park, taking into account the availability and supply of Russian and imported equipment. A complex of engineering, technical, organisational and managerial measures has been developed, which is aimed at providing agricultural producers with domestic irr...

New functional foods produced by fermentation of pretreated with amylolytic and proteolytic enzymes cereal raw materials suspensions by probiotics are presented. Whole meal wheat flour comprising organic compounds and microelements was used as source of nutrients. Duozyme (Novozymes) amylases (1% by weight of the substrate) and Protex 40E (Genencor) proteases (2% of the protein content in flour) were applied for hydrolysis. The starter culture was one of the gram-positive probiotic lactic acid bacteria Lactobacill...

In the frontier southeastern districts of the republic there is a sharp increase in international tourism, and in this regard, the development of the resort industry and the development of the local base of balneological resources are of particular importance. The material for the article was the results of studies conducted in 2018 under the project of grant financing ?Development of an innovative methodology for the qualitative and quantitative assessment of therapeutic mud in south-eastern Kazakhstan as a hydro...

The relevance of the results. The experience of the EU countries shows that the process of involving regions in innovative development can be successfully carried out on the basis of "smart specialization" of the regions. A number of specialists consider "smart specialization" as a basis for the formation of both innovation and socio-economic policy. "Smart specialization" of regions allows to achieve 3 main goals: to choose priorities of interregional interaction; to involve in this process various organizations ...

The article is devoted to the implementation of predictive data analysis in energy resource management systems. An analytical review of modern methods used to verify information about the energy and resource consumption of distributed objects and the construction of mathematical models for its forecasting has been performed. It is reflected the positive and negative aspects of the use of predictive analytics as a source of data for planning the activities of organizations. The need for implementation is justified ...

The market for electricity production from renewable sources is characterized by very high dynamics of change. This applies not only to total output power, but also to technological changes in waste production and management. Proper planning should prove to be a key issue for implementing the circular economy. Proper environmental assessment is a very important part of the decision-making process. Usually, we used current data to assess the environmental impact. In a rapidly changing environment, this can lead to ...

This paper presents the problem of solar energy conversion into electricity using photovoltaic cells. The mathematical study of PV cells could be made by two models: single diode model and double diode model. By connecting in series several PV cells a PV module is obtained. Small PV power generators are made by connecting multiple PV modules to form a PV array. Photovoltaic panels can be arranged in various configurations. Beside the insolation level (G) and ambient temperature (T), the PV cell power output depend...

In this paper we have analysed the existing methods of pest and disease field control on the basis of solar powered equipment and apparatus. The necessity of the presented research came from the considered problem of crop losses and reduction of product quality. We have highlighted the advantages of using the electrophysical method for monitoring the number and type of insect pests. The novel construction of the light trap is a three-ring, three-slot and single-slit for monitoring the number and species of insects...

In this paper we focused on the analysis and evaluate of 40 well water samples, obtained in 2018 from the house wells in the village of Malinec (Slovakia). The village is situated in the Poltar district in the South Slovakia. The well water is used as drinking or sanitary water. The object of the research is to gain the complex values of the chemical quality and to compare the well water results with the results of water produced in the local water-work. The research showed that the quality of the well water in th...

The matter of managing water resources has been gaining great momentum during the past decades, even in areas where abundance of water is currently available. With ongoing climate change, vital supplies should be handled by using best practices in order to gain knowledge and experience in case of unfavourable future scenarios. Analysis of spring discharge has led to a description of the reliability of a given spring according to its response to precipitation and snowmelt as certain regularities can be distinguishe...

The study was conducted to study the effect of cerium dioxide nanoparticles on the survival of zebrafishand the microbiome of their intestines. With respect to the intestinal microbiome in the control group, it was registered that the majority of the identified bacteria belonged to Proteobacteria. A peculiar action of CeO2nanoparticleson the intestinal microbiota was an increase in the number of Firmicutes, in particular, Bacilli class bacteria, and a decrease of Proteobacteria phylum, it was manifested in the flu...

The paper solves the actual problem of assessing the quality of data transmission over atmospheric optoelectronic communication lines in computer networks. The topologies of the simplex infrared data transmission channel are analyzed. The calculation of the optical system is reduced to determining the fraction of the radiated infrared power that falls on the photodetector. The total loss of the optical information signal is determined due to the mismatch of the parameters of the transmitter and receiver of the inf...

Aerosol particles, despite their small size, have a great influence on climate change and on human health. Aerosol optical depth (AOD) is one of the main parameters characterizing the scattering and absorbing effects of solar radiation in the atmosphere, therefore creating a methodology for researching the AOD variability is a very current task. Nowadays, the AERONET solar photometer database for the Black Sea is represented by 2 functioning stations: Galata_Platform (Bulgaria) and Gloria (Romania), which is not e...

The topicality of the issue: The quality of education is one of the indicators and is a foundation of a sustainable development of the country. Therefore, the focus of attention in educational reforms in Latvia is quality education. Quality education is a dynamic concept that evolves over time and is a subject of change in line with changes of social, economic and environmental conditions. In this paper, the understanding of quality education is related to meeting the needs and expectations of customers. The major...

The increasing amount of fiber on wheat flour brings some deleterious effects on dough structure, such as the increasing of dough stickiness and fermentation tolerance decreasing. Also it has a negative influence against other properties of dough such as handling and rising properties. Fiber addition usually causes a decrease in bread volume and breadcrumb loses its elasticity. So, we had investigated if the xylanase addition could counteract those deleterious effects. Positive action of xylanase in dough could be...

At the moment tourism industry in Europe and the whole world is undergoing significant changes: tourist travel habits are changing, the importance of environmental quality is increasing, the use of e-commerce is increasing, the variety and number of tourism products is increasing, and new tourism destinations are emerging. Considering the globalization processes and intensified competition, Latvia needs to identify its competitive advantages in developing tourism products and environment with greater sustainable d...

The quality of life is one of the frequently discussed topics nowadays, not only in the academic sphere but also within the international policy-making institutions. In the past decades, dozens of complex methods for assessment of the quality of life have been developed. Different approaches can be applied regarding the quality of life evaluation. For many applications, a simple evaluation combining both the subjective and objective information and oriented on the ?life results? (means indicators of the good life)...

Factor analysis of three-hour dynamics from the winter solstice 22.12.2013 to 21.12.2014 of four meteorological parameters: atmospheric pressure; air temperature; relative humidity; dew point temperature was carried out by the method of identification of stable regularities (weather station Yoshkar-Ola, Russia, 2917WMO_ID=27485). The sample capacity was 2917 rows. The correlation coefficient increased to 0.5065, which is more than 0.4583 for a seven-year data set. The ranking of the factors changed only for depend...

Factor analysis of three-hour dynamics for the vegetation period of birch leaves from 01.05.2014 to 30.09.2014 of four meteorological parameters: atmospheric pressure; air temperature; relative humidity; dew point temperature was carried out by the method of identification of stable regularities (weather station Yoshkar-Ola, Russia, 2917WMO_ID=27485). Power sample consisted of 1222 of the row. The correlation coefficient 0.4677 is less than 0.5065 for the year between winter solstices, but slightly more than 0.458...

Concrete is one of the most important and useful materials in the construction sector, which, unfortunately, has an adverse impact on the environment. It is evident that correct procedures for designing concrete structures need to be created. The sustainability approach is a key conceptual principle to be considered in cement and concrete production all around the world because about 7 % of global CO2 emissions are produced by cement manufacturing. An indicator expressing quality, with regard to sustainability, is...

The assessment of the vulnerability to pollution/contamination of natural mineral water is of maximum importance for long term exploitation of such a specific aquifer. A physically-based approach on the vulnerability should be based on three factors describing a pollution event, which are, the contaminant transfer time from the hazard location to the protected 'target', the level of contaminant concentration potentially reaching the 'target' and the contamination duration at the 'target' [1]. The main purpose of t...

In recent years, due to the rapid development of astrophysics and the capabilities of modern technologies, a huge amount of astronomical data such as type Ia supernova, cosmic microwave background anisotropy (CMB), acoustic baryon oscillations, weak lensing and large-scale structure have been obtained. In this regard, a fundamental discovery was made, which showed that our Universe is expanding with acceleration. To describe this phenomenon, many models have been created. One of the main directions is the modifica...

Factor analysis of three-hour dynamics from 01.01.2012 to 31.10.2018 of four meteorological parameters: atmospheric pressure; air temperature; relative humidity; dew point temperature was carried out by the method of identification (weather station Yoshkar-Ola, Russia, WMO_ID=27485). Power selection when accounting periods of the growing season of birch from 01.05 till 30.09 made 8558 instead 19713 lines in comparison with the continuous series, while there have been significant changes in the laws. The coefficien...

Factor analysis of three-hour dynamics from 01.01.2012 to 31.10.2018 of four meteorological parameters: atmospheric pressure; air temperature; relative humidity; dew point temperature was carried out by the method of identification of stable regularities (weather station Yoshkar-Ola, Russia, WMO_ID=27485). The sampling rate was 19713 lines. It is proved that pair connections allow to study quanta of weather behavior for different periods of time: long-term, annual, seasonal and period of plant ontogenesis. There a...

In the development of mineral deposits by the underground method, geomechanical processes are manifested, which significantly affect the quality of ore, the cost of production and the safety of mining operations. Insufficiently valid choice of geomechanical steady spans of outcrops can lead to a sudden collapse and formation in clearing workings, thereby reducing the safety of mining. The work provides a definition of sustainable roof exposures of the clearing workings according to the method of S.V. Vetrov for fr...

The funds for disbursement of unused amounts must be required by the need for population mobility to provide a rich set of spatial solutions for separate regions living in the country. This determines the size of this type of transport in its domestic, labor, educational and other daily routine. Against the backdrop of global improvements in the handling of goods transport from all countries, there is a downward trend both for the passengers and freight forwarders. This applies to the degree of retention of areas ...

The aim of this article is to present the possibility of incorporating the existing railway network into the transportation service system of the Krakow Metropolitan Area. The author discusses the problems and opportunities related to adapting the existing railway network to the emerging functional and spatial structure and the options of using it to make this area more accessible. Research done by the author focuses on the current condition of the railway infrastructure in the aspect of its functional and spatial...

The Central Anatolia Basement Units (CABU) have several mafic and felsic characterized magmatic systems which are associated with the closure of the Neotethys during the Late Mesozoic. Gucunkaya gabbro is located to the southern part of Agacoren Intrusive to the North East of Aksaray in Central Anatolia. Field and petrographic studies show that the mafic products of the area are mainly composed of two main units as a gabro and diorite. The gabbro and the diorite cut by fine crystalline gabbro, diorite porphyry, fi...

In the article an example of underground mining exploitation of hard coal deposits has been presented which by some mining plant in Poland has been conducted. Hard coal extraction took place in three seams numbered 338/2, 341, 358/1 which at the medium and great depths have been located. Exploitation was conducted by use of the longwall system with roof rocks cave-in. This exploitation caused an occurrence of curvatures on a mining terrain surface. The curvatures values on base of the surveys results have been cal...

Frozen fish is the primary raw material used in the industrial preparation of semi-finished ready to eat fish-based products. Ready to eat fish product manufacturers receive frozen fish raw materials from suppliers and defrost it before processing. Such raw materials are commodities; frozen fish are easily transported around the world, can be stored for a long time, and used for further processing as required, evenly distributing the company?s production capacity throughout the year and, thus, optimising costs. No...

In this paper the author answers the question about competitiveness of post-industrial areas against undeveloped land. The analysis concerns potential consequences related to the investment on former industrial areas and undeveloped areas usually located in suburbs or in city?s outskirts. In the research potential different costs were examined: social, economic, environmental and spatial costs of the investment of the two mentioned types of sites. The results shows that there is a number of negative phenomena in p...

Problems occurring in post-industrial areas constitute large issue in social, economic, spatial as well as ecological point of view. According to research of National Institute for Spatial Policy and Housing post-industrial areas occupy 4% of urbanized areas is Polish cities. Poland among European countries is one with the biggest percentage of post-industrial areas in cities. In the context of large scale of degradation of cities re-use of former industrial areas ? brownfields - is one of the challenges of ration...

In the Permian sediments of the Volga-Ural oil and gas province (east of the East European Platform) occurs layers of tar sands and sandstones. They are confined to the Sheshmian horizon of the Ufimian stage. Currently, bituminous deposits are being developed as high-viscosity oils. The internal structure of high-viscosity oil fields is very complex due to the combination of a large number of sedimentation and post-sedimentation processes, caused, among other things, by the influence of the oil substance. An impor...

Spatial distribution and temporal variations of snow cover and snow precipitations carry important information about available water resources, snow load estimations, the plant vegetation period, habitat change and etc., which is crucial for many environmental, ecological, hydrological and technical issues. This study is focused on the tendencies in the regime of the snowfalls and the snow cover in Strandzha region during the period 1961-2017. The monthly values about number of days with snow cover and snow precip...

Drought events are currently increasing in frequency and intensity all over the world as effect of climate change. One of the most related environmental issue is water resource scarcity, which is now becoming an emergency also for several industrialized countries in the Mediterranean area. In the summer of 2017, all Italian territory suffered from an extreme drought event that caused huge depletions of both groundwater and surface water availability. In particular, Bracciano Lake, which is one of the largest surfa...

Morphological processes of the fluvial channel are controlled by liquid and solid fluxes through hydraulic forces exerted by flow and sediment transport, erosion, and deposition [1]. Large river deltas are complex alluvial systems of outstanding social, ecological, and economical importance, deeply influenced by human activity: dam, groins and dikes construction, meander cutoff. Since the 1880s intensive anthropogenic disturbances have affected the channel of the St. George branch, the southern distributary of the...

Grouted ground anchor is a structural component used to transmit tension force from the structure to the subgrade. Determination of the ground anchors ultimate carrying capacity is mostly conducted using various empirical and semi-empirical methods. These procedures are usually successful, but highly simplified. Hence, each system ground anchor has to be tested during its prestressing to prove design assumptions. The aim of the test is to prove accomplishment of acceptance criteria, which has been defined to demon...

The negative phenomenon of suburbanisation has been observed around the globe for many years. One of the methods of counteracting the process is directing the city?s development inward, improving the urban planning parameters, and using areas potentially attractive in terms of location but in need of new management. They are among others post-industrial areas, frequently characterised by a considerable degree of degradation (brownfields). The objective of the article is the determination of the potential of degrad...

In the context of the aggravation of global contradictions in the interaction of man and nature, environmental consciousness must respond quickly and adequately to the situation, outstrip threatening events and seek ways to overcome environmental disruptions and harmonize relations in the supersystem «nature». These challenges encourage the natural and human sciences to create for man a new knowledge, which would be based on the laws of human development, as part of nature, and the principles of value-semantic pro...

Due to depletion of high-grade ores, high cost of mining and environmental issues, many mines have reverted to retreatment of slags. The recovery of Nickel from reverberatory furnace slag using sulfurization and flotation was studied. Critical parameters such as sulfurization temperature, sulfurization agent (Gypsum containing 86.87% CaSO4) dosage and time were investigated for the sulfurization process and effect of collector type and dosage, pH, particle size and flotation time for the flotation process. It was ...

Rare earth metals is a special group consisting of 17 elements (15 lanthanides, yttrium and scandium), with resembling chemical and some of the physical properties. Because of their unique properties, rare earth metals are widely used in various high-tech industries, e.g. metallurgy, electronics, optics, ceramics, medicine and many others. Growth in demand for rare earth metals intensified by scarcity of their rich mineral deposits is forcing researchers to look for new sources of raw materials for production of r...

Pollution of the environment as a result of human activity has become one of the most important problems of our time. Undoubtedly, in the twenty-first century, the development of civilization will be under increasing pressure from the environmental aspect. The use of waste becomes a permanent function of social production, expands the raw material base, preserves non-renewable sources of primary raw materials, prevents environmental pollution, provides a significant economic effect by saving current costs and inve...

Concrete slurry waste (CSW) from the production of prestressed poles production in original and Fe-modified form (CSWFe) was studied as potential adsorbent of environmentally risk cations (Cd2+, Pb2+) and oxyanions (AsO43- and CrO42-) from contaminated waters. Structural, surface and chemical properties of adsorbents were characterized by Powder X-ray diffraction (XRD), X-ray fluorescence (XRF), Specific surface area (SBET) and Scanning electron microscopy (SEM). Adsorption experiments ran in a batch manner at lab...

Production of castings plays an important part in the global and in the national economy. The main recipient of the foundry production is the automotive industry, but castings find application also in other branches of industry, in civil engineering, in farming, in medicine, and can as well serve art production. In 2016, worldwide casting production reached 104.1 million metric tons, a shade over the 103.7 million metric tons produced in 2015. The remaining 2015 top 10 casting nations by tonnage are Japan at 5.4 m...

Self-heating and autoignition are the precursors of spontaneous combustion. All coals can be self-heat in mines or in storage; but only if the conditions are favourable they may autoignite, when the coal interact with the oxygen in the air. This is first step in the spontaneous combustion. In storage, the temperature of a stockpile is determined by the type of coal, particle size, oxygen concentration of the air, balance of the heat of coal oxidation, moisture content of the coal etc. Coal naturally oxidizes over ...

This paper addresses the problem of atmospheric pollution due to the scrapping of motor vehicles. Most of the materials used in the automotive industry are non-renewable, so the decommissioning of cars is a global problem. The environmental impact of this type of pollution is irreversible. In Romania, this problem is amplified by the purchase of second-hand cars that have a low life expectancy and are much earlier in the situation of being scrapped. Recovery of scrapped materials must be done selectively because a...

This paper aims to provide an overview of the technologies for the use and implementation of phase change materials, with the purpose of identifying possible applications in energy efficiency, reducing energy losses and reducing carbon dioxide emissions, while bringing a contribution in identifying the applications in the design of passive houses regarding the reduction of the overheating phenomenon. A passive house can be defined as an energy efficient construction, which ensures an optimal indoor microclimate bo...