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Sustainability of energy sources and environmental protection play an increasingly important role in civil engineering design. Due to global warming, people are well aware of the importance of protecting nature, as extreme weather events are occurring more frequently. The lack of water becomes a serious problem in still larger and larger areas all over the world. For this reason, drinking and rain water reservoirs as well as wastewater treatment plants have been presently popular and frequently used structures. Fr...

The comparative analysis of approaches to the management of surface water bodies in Ukraine, taking into account the provisions of the European Union (EU) Directive on river basin management plans in monitoring surface waters using geoinformation systems (GIS). The main deficiencies of the system of state monitoring of surface waters are identified. The introduction of GIS technologies for estimating and predicting changes in surface waters is proposed to take the necessary measures for the adoption of environment...

An algorithm for extracting information on the types and subtypes of soils for each pixel of big data sets of remote sensing on agricultural lands is proposed. For this, a mathematical apparatus for constructing a multi-temporal (empirical) soil line is used. The classical soil line (SL) is defined in the RED-NIR spectral space by two coefficients "a" and "b" [2, 6, 9]. In this form, SL does not characterize soil types and subtypes. A multi-temporal soil line (MSL) is the major axis of an ellipse that describes al...

Hydraulic structure Palcmansk? Ma?a is located in the eastern part of Slovakia, on the Hnilec River. Its main function is to produce electricity and flood control. It is in operation more than 60 years. The reservoir was created by damming up the river valley by concrete gravity dam. The bedrock of the dam is formed by phyllite rocks. The results of the water pressure tests confirmed the need to build a grout curtain in its subsoil. The safety of these structures is significantly determined by the uplift developme...

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...

Nowadays the concepts of environmental ethics and environmental responsibility are mentioned more and more frequently in relation to the performance of companies. These notions can relate either to a person or to a company. Being environmentally responsible entails fulfilling one?s duty to protect the environment. Companies whose activities do harm to the environment should carry out this duty. The aim of this research is to teach students specialising in oil and gas engineering how to assess a company?s corporate...

This paper describes an analysis of concrete pavement loading while taking into account deflections and deformations. Concrete pavements are generally durable and have low demands on maintenance within their whole lifecycle. The first part describes an experimental road test section with verified material characteristics of individual pavement construction layers by laboratory and non-destructive testing. Furthermore, the position of temperature sensors in road structure is described, together with loading data an...

The current state of the mining industry is characterized by a tendency to rapid deepening of mining, which leads to an increase in the mineral excavation self-cost and negatively affects the safety of production. The effectiveness of an underground geotechnology largely depends on the correct choice of methods and schemes for ore and rock transportation, which is becoming increasingly important, with deepening mining. Currently, the most common transports in underground mining are rail and road vehicles; mine hau...

The Chapel of St. Kinga is the world?s largest underground temple and one of the biggest attractions of ?Wieliczka? Salt Mine in Poland. The chapel is located about 101 meters underground. The floor is sculpted in a single salt block and impressive chandeliers of salt crystals are made. In the analyzed part of the mine, in chapel?s surroundings, there are almost exclusively dry exploitation excavations, where mining works had been conducted from the 17th to the 20th century. Observations of rock mass movements and...

In the Czech Republic, mining is regulated by a number of laws and decrees. The basis of this article is the approximation of legal provisions and their quantitative expression, the legal provisions applied in the area of economical exploitation of mineral resources in our territory. The provisions of the Upper Law are based on four fundamental principles and, on the basis of these principles, the provisions regarding the economical exploitation of mineral resources can be assigned to the individual principles. Am...

The industrial revolution, dynamic economic growth and population growth in the world mainly affect to an increase in energy and material use. Ambitious premises of the climate and energy package in the European Union are justified from the point of view of protecting the environment against the growing emission of greenhouse gases. The EU countries, as the ones with high levels of economic development, have decided to realize a decarbonization policy to become leaders in this aspect on the world scale. Autor pres...

The paper presents information about the mineral resource base of the Republic of Sakha (Yakutia)-one of the richest regions of Russia in minerals and severe climatic conditions of their development, the presence of almost universal permafrost causes a particular vulnerability of the environment in mining. In this regard, the methods and results of studies of the geoecological state of the landscape in the development of Geosciences, including space surveys of mining operations, the regime of their restoration by ...

The atmospheric composition research was based on extensive computer simulations carried out with good resolution using up-to-date modelling tools and detailed and reliable input data. Extensive numerical simulations of the atmospheric composition fields in Bulgaria have been performed using the US EPA Model-3 system used as a modelling tool for 3D simulations. The extensive data base that was created from the simulations was used for different studies of the atmospheric composition. The air pollution pattern is f...

The aim of this research study is to perform an analysis of the eco-innovation trends and to identify the development opportunities in Latvia. The research methodology applied for this research study involves the theoretical concepts of eco-innovation trends and collects examples of existing and emerging eco-innovative practices in Latvia. The results of the research indicated that the eco-innovation trends in Latvia led to positive results and gave an impulse to increasing economic activities. For evaluation of L...

One of the main conditions for developing qualitative forecasts of energy consumption, as well as identifying the potential for energy conservation, is data on the energy intensity of production in industries. A regional analysis of energy consumption in the economy will help develop a comprehensive, long-term regional energy efficiency program balanced in terms of resources and costs. For Russia, this task is particularly relevant for two reasons. The first is due to the fact that the length of the territory of R...

In the recent years, the climate changes have determined the increase of the frequency of flood, and concurrently, negative effects of these weather phenomena were amplified by other factors (the deforestation, needs of the hydro technical works, etc.). Atmospheric precipitation contributes to formation of superficial runoff, or accumulates in the snow in the winter, sometimes participating during melting to form the maximum runoff. The consequences of this rainfall can be serious in terms of erosion and soil wash...

The purpose of this work is to assess the ecological state of the Moskva River on the content of heavy metals in bottom sediments by the method of L. Hokanson. The method of determining the coefficient of bottom accumulation (CBA) was also used. The content of metals was determined by the X-ray fluorescent method according to the approved procedure. The analysis of the obtained data made it possible to draw a number of conclusions. First, the average level of some heavy metals (zinc, nickel, copper, manganese) was...

The development of advanced indoor navigation systems for UAVs has encouraged an extensive interest because of its huge potential in military and civil applications. Global Positioning System allows working in an opened space; however, Indoor Positioning Systems are necessary to work more productively in covered places. The aim of this study was to analyse the state of the art of Indoor Positioning Algorithms. This study contains a description of the most popular Indoor Positioning Algorithms. Different technologi...

The study was performed at the former Jezi?rko sulphur mine (216.5 ha of afforested area after borehole exploitation). The area was characterized by the terrain structure and vegetation cover resulting from the reclamation process. The applied direction of reclamation for this area was forestry. The study investigated the possibility of applying the latest, freely available Sentinel-2 satellite images for the automation of land use and land cover (LULC) mapping, mainly in terms of monitoring the forest succession ...

The paper deals with the analysis of the design elements of the road at the crossing point of the railway line. For the analysis were selected existing level crossings in the Czech Republic, where problems were found during the traffic. These were mainly problems of repeated disorder road pavement in contact with the construction of the level crossing. In addition, there are problems with the crossing of motor road transport or freight traffic. Particularly in the case of longer vehicles (heavy goods vehicles, pub...

The technique of karst hazard assessment used on the territory of Ust-Kishert village is presented in the paper. We analyse the parameters of the research area natural structure which is characterized by the abundance of carbonate-sulphate karst. In this work, we consider karst rock mass as a certain volume of geological space occupied by the karstic rocks and the overburden (i.e. overlapping sediments) that are affected by the karst process. The purpose of this study is to identify the areas of local changes of o...

Tanks have been presently used for storage of various materials and products. It can be either a loose material, or various liquid and gaseous substances. Tanks have been often used to store the drinking water or various technical liquids, for purposes of waste water treatment, etc. Rectangular tanks are rarely used compared to cylindrical ones, but still they offer several benefits, e.g. higher resistance to unilateral loading and better use of space. The rectangular tank filled by water has been analyzed in this...

The paper states continuation of the research on energy consumption of O2/N2 separa-tion process using UBE NM-BO2A capillary polymer membrane, concerning especially its utilization in oxy-combustion processes. In the paper, experimental results of basic O2/N2 separation parameters are presented. Furthermore, their analysis is performed and their influence on operational parameters of the system is concluded. On the basis of experimental results and further computational investigation, the mem-brane system with gas...

One of the major environmental problems that is currently being raised is the olfactory discomfort. At present, the odor parameter is not regulated in national legislation, rather than in the Odor Immission Directive - OID- edition of 21 September 2004. The lack of a legal framework in terms of odor immissions constitutes an impediment for health of affected population and might have repercussions also on the economic development of the areas. Odors are one of the most emerging issues related to odor immissions fr...

Aim of the paper is to explore the application possibilities of orthophoto maps and cadastre data for determination of spatial changes. One of spatial changes types is land degradation. In recent years is important to determine the land degradation and to take measures to prevent it. To carry out land degradation prevention measures, initially should determine the territories of degraded land. However, with the development of technologies and experience of land degradation assessment methods in the world, one of t...

Decreasing fossil fuel resources and the growing attention to environmental causes increased interest in alternative fuels. Currently as a liquid alternative fuels apply: methanol, ethanol, biodiesel (FAME), dimethyl ether (DME). They can be used directly, or as components of mixtures with conventional fuels. Attempts have also been made to apply recycled fuels for diesel engines. As fuel recycling used oils extracted from waste made of polyethylene and polypropylene, oil recycled from used lubricating oils and li...

Within the framework of the work, monitoring and information analysis of the development of research activities of industrial, scientific and educational organizations, Federal and regional public authorities of the Russian Federation, as well as regional research centers in the field of study of the Arctic zone in 2017 was carried out. In total, data on 589 major Russian Arctic projects were analyzed, with a total funding of more than 130 million euros. The average volume of one conditional project amounted to ab...

The pressure transducer installed in the hydraulic system play an important role for the correct work of the powered roof support. Currently, in the free market economy there are many manufacturers offering a wide range of such products, however, it is often difficult to find a solution that would meet specific requirements, for example when selecting a pressure transducer for a powered roof support. It is difficult to find an ideal transducer that would meet all the requirements for the correct operation of the s...

The article deals with determination of shear strength properties of improved coarse - grained soils using a large-dimensional direct shear test apparatus. A road embankment in front of a new bridge over the Danube River in the Komarno city will be made of the gravel improved by the cement. Aim of the analysis is determination of the shear strength properties of this improved material for optimal and reliable design of the road embankment. The shear strength of gravel was determined in the SHEARMATIC 27-WF2304 she...

A complex geological structure with the superimposed effects of over 200 years of coal mining activities is characteristic of the Upper Silesian Coal Basin, Poland. Intensive exploitation leads to deformations of the rock mass and ground surface as well. The deformation process developing in the rock mass causes an increase in strains that may result in rockbursts. In this paper the data obtained by the PSInSAR technique covering the northeastern part of the Upper Silesian Coal Basin were used. The aim of this pap...

Modern growing urban areas are faced with many problems, among which in the first instance may include the need for management of rainwater. The current system for management of rainwater is characterized by considerable inefficiency and ineffective and extremely functional system in the current extreme weather. In the case of an effective design of complex city hydrology, it is necessary to construct rainwater capture objects in the place where the rain falls directly. The consequence of such a process is the sub...

This paper presents an analysis of air pollution in Galati, in terms of NO2 concentrations, using the results of concentration measurements from two types of stations of the national air pollution monitoring network, one urban-traffic and one urban-background. In order to determine the temporal evolution of pollution, the daily average hourly NO2 measurements for 2017, obtained from urban traffic and background monitoring stations, were analyzed. Hourly concentrations of NO2 in Galati (Romania) ranged from 2.38 ?g...

Avalanches are undesirable phenomena, represented by the sliding or floating on the slopes of mountains snow masses. The snow masses sometimes train in motion stones, rocks, and shrubs. The avalanches are dangerous because they do human victims. In Romanian mountains, avalanche victims are mostly tourists, skiers or climbers. Avalanches can also cause disasters, covering roads and blocking access to some localities, and last but not least, human victims. They are also the most unexpected and most spectacular aspec...

Climate change is one of the greatest threats to the environment, the social and economic framework. In this paper we analyzed the phenomenon of climate change in the Danube Delta, Romania. In the first part of the study, we analyzed the causes and effects of climate change in this area and finally proposed some solutions to limit the effects of this phenomenon. As a research methodology we used the quantitative and qualitative analysis of the statistical data included in the Romanian Statistical Yearbooks and the...

The article is devoted to development of the mathematical models of transfer functions in complex geotechnical monitoring in the "geological environment - foundation - building" system. It is assumed that the geodynamic objects, as well as the seasonal natural geodynamic variations occurring near the building, have a direct effect on its physics-mechanical properties (changes in the stress-strain state of the beams, subsidence of the basement, redistribution of loads, and change in natural frequencies). In this re...

Underground hard coal exploitation is accompanied by a series of natural hazards. Their number and intensity increase along with the growing depth of exploitation. Amongst the most dangerous hazards in the mining industry, one can distinguish the following: methane hazards, seismic hazards (including the rock-burst hazard) and coal dust explosion hazards. They are a common issue in Polish coal mines, thereby making it necessary for coal mines to identify the level of these hazards. It can also be assumed that ther...

Using vibration processing techniques in tilling is convenient due to design simplicity of the involved devices, as well as to efficiency reasons, such as soil compaction reduction. However, depending on the design of the agricultural machine and on the working regime, such methods can affect the environment, the comfort of the human operator and even his health. The paper studies some effects of the vibrations of an agricultural machine with an eccentric rotating mass, transmitted to the soil and to the human ope...

The paper considers the state of the vegetation cover of the high-mountain valley of Kok Jailau, which is located in the central part of the Ile (Zailiyskiy) Alatau Ridge (Northern Tien Shan). The results of the study showed a different degree of anthropogenic transformation of the vegetation cover. It is noted that in the natural (background) state the vegetation cover was preserved only in hard-to-reach areas, mainly in the upper part of the mountains (on steep slopes of the Kumbel Ridge, river valleys, etc.). T...

A quick development of motoring poses, particularly in cities, a number of transportation challenges involving traffic flow and maintaining its safety. To ensure road safety in streets facing transportation challenges, different systems of traffic calming have been successively introduced aiming at improvement of living and safety conditions. Suburban districts and housing estates are having their traffic arrangement plans changed. Traffic calming zones (e.g. Woonerven, stille veje, zones 30, home zones) are intro...

The aim of this research is to analyse the thermal properties of different non-traditional insulation materials with low thermal conductivity and light weight that are made from Latvian local raw materials and are ?green? or are innovative and advanced materials. The studied materials are grouped depending on the production type and possible applications as follows: ? multi-layer combination of insulation materials, incl. low-emission surfaces; ? straw, cane, hemp, and birch wood fibreboard made from local raw mat...

From the perspective of the global climate changes, the aim of this paper is to analyse the extreme events that have taken place near the Romanian harbors in the last 30 years. In order to identify these extreme events, the hindcast data simulated by a wave modelling system implemented in the Black Sea will be used. The main wave parameters simulated by a wave prediction system implemented over the entire basin of the Black Sea are evaluated together with the wind fields considering the data provided by the US Nat...

River flash floods and floods are natural events, which are part of the normal regime of the water leakage of a fluvial organism. Depending on the generating causes, they have a different size and a certain frequency of occurrence in time. The target area of the present study is the Sireasa area in the Danube Delta. In that place, a breakage may occur any time in the defensive dam surrounding the enclosure. This is due to the phenomenon of settlement traveled over time, or due to the possibility of occurrence of t...

For to determinate the DNA content and analysis of cell distribution in different phases of the cell cycle, flow cytometry was used. The exact measurements of a large number of nuclei by flow cytometry, fluorescently labeled by passing a laser beam (excitation), which marks each individual nucleus by fluorescence, allows a rapid estimation of the relative nuclear content of the DNA of the analyzed plants . Approximately 0.5 cm2 of foliar tissue is harvested, crushed very well, followed by incubation of the sample ...

For to determinate the DNA content and analysis of cell distribution in different phases of the cell cycle, flow cytometry was used. The exact measurements of a large number of nuclei by flow cytometry, fluorescently labeled by passing a laser beam (excitation), which marks each individual nucleus by fluorescence, allows a rapid estimation of the relative nuclear content of the DNA of the analyzed plants . Approximately 0.5 cm2 of foliar tissue is harvested, crushed very well, followed by incubation of the sample ...

The main task of complex environmental monitoring is evaluating the state of an aquatic system and state prediction of ecosystem links under different levels of water supply, anthropogenic influence and climatic fluctuations. The paper analyzes the inter-annual dynamics of functional activity of bacterio ? and phytoplankton of the Krasnoyarsk reservoir depending on abiotic factors (reservoir filling level and temperature conditions). The data have been obtained from series of regular observations during the growin...

Within the outlines of work, based on foreign and Russian experience, the urgency of introducing small-scale generations into the real sector of the economy, including mini- thermoelectric plant (mini-TEPs) is stipulated. The main indicators that characterize the efficiency of power plants are provided. The basic techno-economic parameters of power plants, such as specific capital investments for the construction, the cost of electricity and heat, specific estimated operating costs and others, are analysed. Separa...

Diamond SP-NDE Aircraft's route from 31.01.2018 on the basis of The Aircraft Monitoring System (AMS) was presented. Data were collected by using AMS and navigational parameters were described. Peculiar aircraft route in this paper was presented. W artykule przedstawiono wybran? tras? lotu statku powietrznego. The Aircraft Monitoring System (AMS) uses GNSS technology for Aircraft positioning. Abovementioned system is operational since 2013 in Polish Airforce Academy. Aircrafts can be continuously monitored thus the...

Fa?ade, as an external finishing of a building, gives the building its original character, obtained due to the choice from variety of forms and freedom in shaping. The decision to use a particular fa?ade system depends on the type of the object, the investor's requirements and financial possibilities, and the designer's creativity. This paper?s aim is to present the procedure of analysis that leads to a choice of the fa fa?ade system for a public building, including criteria such as: cost, technical parameters, ae...

The aim of the presented paper is to analyze the 10-meter wind (U10) conditions of the western part of the Black Sea during the present and near future interval. More precisely, 10 locations were studied. Regarding the geographical location, the points of interest are located in the range 40oN to 47oN and 27oE to 34oE as follows: 2 points are near to the Ukraine?s coast line, 3 to Romania?s coast line, 2 to Bulgaria?s coast line and 3 to Turkey?s coast line. Thus, for analyzing the wind conditions during the prese...

Psychological research makes progress in associating personality traits with specific actions and behaviours, seeking individual differences in brain anatomy and physiology, in body functions and processes of self-regulation, sensation and perception, in information processing and thinking patterns, in behaviour and emotional regulation, in interpersonal interactions and many other psychological indicators. Depending on the characteristics of the work environment, various psychological indicators are involved in r...