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In this article was designated a relation of average values of measured curvatures of mining terrain with their forecasted values. These values were calculated by the use of the Bialek?s formula with the values of its parameters determined from the geodesic measurements results. The average graphs of measured curvatures were obtained on the base of average values of terrain subsidence caused by multi-seams exploitation of hard coal at the great depth. An exploitation was conducted by the use of longwall system, in...

In a practical context and with a tendency to generalize the dependence between monoaxial and triaxial compressive strength of rocks and qualitative characteristics and also properties of connection between the elements that form the skeleton of studied rocks were analyzed. This qualitative connection was highlighted by means of void index and apparent specific weight. The obtained correlation can be generalized to any type of rock, if it takes into account the amount of adsorbed and absorbed water, the direction ...

Currently, construction industry puts greater emphasis on sustainability. Exploitation of clear materials, methods and pressure on zero waste policy represent priority in architecture and civil engineering. The new directives and laws in individual European countries help to implement these environmental aspects throughout the whole life cycle of construction projects. Cost issue represents one of barrier and common problem to implement these aspects into the construction process. This is not just about perceiving...

The growing global population, along with economic considerations, has put the food industry under an increasingly pressing demand for innovative approaches, materials and sources. As a result, the industry has to look into the sources that has been disregarded earlier. In this study, we focused on developing a technological process, which aims to ensure the processing of Baltic sprat (Sprattus sprattus) and Baltic herring (Clupea harengus membras) with minimal losses of valuable raw materials. In this investigati...

The growing global population, along with economic considerations, has put the food industry under an increasingly pressing demand for innovative approaches, materials and sources. As a result, the industry has to look into the sources that has been disregarded earlier. In this study, we focused on developing a technological process, which aims to ensure the processing of Baltic sprat (Sprattus sprattus) and Baltic herring (Clupea harengus membras) with minimal losses of valuable raw materials. In this investigati...

The volume of generated municipal waste increases proportionally with the rise in population and higher personal consumption by individuals. Municipal waste management requires considerable financial resources and, because all of us generate waste, we all have to contribute our share. In the Slovak Republic, the fees for municipal waste are laid down by Act No. 582/2004 Coll. on local taxes and local fees for municipal waste and minor construction waste. Pursuant to this Act, municipalities issue their generally b...

Electricity in Romania is based on obtaining it in thermoelectric power plants. On the territory of Romania there are thermoelectric power plants operating with different types of fuels (gaseous, liquid and solid). At present, the largest amount of electricity is obtained from solid-fuel in thermal power plants. Thermoelectric power plants are considered to be an important source of environmental pollution. These have negative effects on all environmental components. The technological processes from the combustion...

The talk will be focused on the subject matter of possible creation of a database for determining market value of land using price comparison. The authors will focus upon selected questions regarding determining market value of land. They will define basic properties of land pieces, which are essential for the right choice of another comparable piece of land for valuation. The properties that are essential for selecting the method of valuation of market value of land are not only the kind of land stated in the lan...

This research paper seeks to study the phreatic groundwater body from the Buz?u river alluvial fan. This goal is reached by creating a numerical model associated to a previously created conceptual model. The conceptual model was realized in three stages. Initially, a spatial schematization of the hydrostructure was created using the lithology collected while executing the hydrogeological boreholes. The second step consisted in studying the variation of the hydrogeological parameters in the hydrostructure. The para...

The importance of mineralogical research in microscale increases with the need of advanced characterization and detailed quantitative analysis of ores and upgrading products. Automated mineralogy technique connected with advanced scanning electron microscopy like QEMSCANВ® or MLA give a possibility to obtain comprehensive information about mineral and elemental composition, particle size distribution, liberation and associations between grains and other quantitative and qualitative data for raw materials and produ...

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 sequence of images received when studying a nanoobject (the induced cluster-type nanostructures) at different scales is offered to consider as result of mutual influence of factors of heredity and variability of signs on some of his initial characteristics. Features of heredity and variability of signs gives the chance of creation of hierarchical structures of formal descriptions are described, i.e. models of the nanoimages based on groups of the signs relating to various morphological and large-scale levels o...

In 2014-2018, scientists of Riga Technical University (RTU) have updated the hydrogeological model (HM) of Latvia. Its current version LAMO4 simulates the steady state average groundwater regimes. The commercial program ?Groundwater Vistas 6? (GV) is used for running LAMO4. Unfortunately, the GV graphical programs cannot provide correct profiles on hydrogeological data that are obtained by HM. In 2014, the first RTU results were reported on creating profiles for groundwater heads and infiltration. Since 2014, the ...

In this article, the stages of creating three-dimensional geomechanical models in the development of deposits by open method are considered in detail, based on the results of calculating the safety factor of the open pit sides. The geomechanical model consists of four main components - geological, structural, hydrogeological models and rock mass model. The models are based on the geological, hydrogeological, geotechnical data of the field. Such geomechanical models allow to optimize the work of the whole enterpris...

The growing tasks of architectural and construction activity differentiation in the Russian Federation and the world require improvement of architectural education based on the change of training technology. Creative competitions held at the Institute of Architecture, Civil Engineering and Transport of Tambov State Technical University show the relationship of the educational process of training architects (bachelors and masters), regional administration experts, students, stakeholders and the public. Examples of ...

Due to the relatively different conditions of small and large water supply companies functioning, there are significant differences in the reaction, progress and consequences of the crisis situations. The specificity of small company requires an individual approach in the area of crisis management, for instance due to limited financial and technical resources. Admittedly, small water companies are particularly exposed to the negative consequences of a possible crisis, but from a large part they show greater flexib...

Hyperspectral images and field spectroradiometer with high spectral resolution can improve substantially crop mapping by reducing similarities between different crop types which has similar ecological conditions. This is done by recording fine details of the crop interaction with sunlight. This paper deploys crop spectral signatures database interactive tool for the major crops in the Eastern Mediterranean Basin. The collection of spectral signatures of crops is performed during the growth stage of the crops. The ...

Wetland habitats, such as transition mires and quaking bogs (habitat code 7140) and alkaline fens (habitat code 7230), are characterized by the occurrence of species sensitive to the water stress. The prolonged period of water shortage is manifested by a change in the structure of domination, species composition and, as a consequence, the reconstruction of the entire habitat. Due to the fact, that habitat is not homogeneous and varied very much depends on geomorphological position a monitoring of the water stress ...

The management of the ?umava (Bohemian Forest) and Bavarian Forest National Parks have long been working in the field of natural science research. However, visitor monitoring in these protected areas has been given little attention so far. Successful management of national parks must combine the requirements of nature protection with public use. The aim of the paper is to suggest using cross-border socio-economic monitoring variables to increase the satisfaction of visitors to the national parks without jeopardisi...

The most important products of the seismological network are complete and reliable earthquake catalogs. Detecting earthquakes over an extended scale, from smallest magnitudes to large events is a critical issue in many studies, such as earthquake statistics, source seismology and seismic hazard. During the last years, the seismic network of Romanian has developed by increasing the number of stations and station coverage. Despite the significant improvement, the coverage is still not uniform all over the Romanian t...

Cuban architecture reflects the cultural diversity of the island. When sightseeing around Havana and observing the varied architecture and the heterogeneous urban structure of the city, we can get the impression that we become witnesses to the tumultuous history of the country. The oldest buildings in Old Havana are from colonial times. In this part of the city we can see the influence of Spanish conquest. It was in sixteenth-century Old Havana that a house model was developed, that featured formal and functional ...

Biomass, a major renewable energy source, can be converted to biofuel. The Region of Warmia and Mazury in north-eastern Poland, which features extensive woodlands and farmlands, is a leader in biomass production and biomass use for energy generation. The Warmia and Mazury Energy Agency has developed, in collaboration with the University of Warmia and Mazury in Olsztyn, a biomass energy strategy for 2010-2020. The strategy is consistent with the Polish Energy Policy and the national plan for the use of renewable en...

On August 2016 in the Kazanka River (the tributary of the Volga River) was the mass mortality of fish (gibel carp Carassius gibelio) and waterfowl (mallard Anas platyrhynchos). Investigation of the causes of mortality showed that during this period the mass development of phytoplankton was reported (number 43.9-83.1 million cells/L and biomass in the interval 2.20-8.12 mg/L). Biomass of the group of blue-green algae was 0.76-3.25 mg/L. Planktolyngbya limnetica (Lemm) Kom.-Legn. et Cronb (94.6 % of the number) and ...

Pollen germination and tube growth of fruit trees are the most important characteristics related to pollen quality. An effective fertilization requires the high rates of germination and fast tube growth. For economic reasons a higher rate of pollen germination is needed in fruit trees. The objective of this study was to investigate the cytological characteristics of pollen grains and analysis the germinative potential and the effect of the different sucrose concentrations on pollen germination and tube growth of s...

Pollen germination and tube growth of fruit trees are the most important characteristics related to pollen quality. An effective fertilization requires the high rates of germination and fast tube growth. For economic reasons a higher rate of pollen germination is needed in fruit trees. The objective of this study was to investigate the cytological characteristics of pollen grains and analysis the germinative potential and the effect of the different sucrose concentrations on pollen germination and tube growth of s...

There is a fact that where surfaces are in contact with relative movement, there is also wear, with these aspects dealing the Tribology. There are other mechanical parts destroyed during functioning by the fatigue of the materials. Usually these two phenomena are studied separately. But there are mechanical systems where these two actions are joined into a single degradation event, leading to a shorter working time for the parts. The study of the tribo-wear as a simultaneous action with the material fatigue, leads...

Getic Depression is a mature and prolific petroleum province in the Carpathian Orogen. It belongs to a large group of petroleum systems in Romania, respectively Carpathian Foredeep. Getic Depression represents the foredeep of the Cretaceous to Paleogene Southern Carpathians. During the Paleogene to Early Miocene it has been affected by transtension due to the eastward movement of the Inner Carpathians. Finally, the basin has been inverted and thrusted over Moesia during the Mid-Miocene collision of the Carpathians...

The purpose of this paper was to develop an application to help make the decision regarding the robot model that meets the required requirements. The decision, the primary component of the decision-making system, is an essential element of management, being its specific tool of expression. In fact, the qualitative level of the leadership of an organization is manifested by the elaborated and applied decisions. In practice there are two types of decisions: the leading decision and the management decision. The decis...

One of the most important problems of the modern world is the pollution of the natural environment. Human activities associated with the development of various industries have a huge impact on the surrounding environment. Unfortunately, often this impact is negative and in many cases its effects are irreversible. Human activities strongly affect the environment by polluting the atmosphere, hydrosphere and lithosphere. Currently, the degradation of the natural environment that has been observed is due to the econom...

One of the most serious environmental problems in Poland is the pollution of the atmosphere. Due to the fact that the energy production mainly uses conventional sources of energy ? including predominantly hard coal, lignite and natural gas ? harmful products from the combustion of the raw materials get to the atmosphere. The air pollution from the combustion of hard coal is caused by many factors. They include the use of outdated furnaces, the inadequate use of furnaces and heating equipment, burning of low-qualit...

Today retargetable and cross-platform compilers are mainstream, because variety of hardware platforms is very large, and it is required to support general-purpose programming languages for these platforms. But retargetable compiler development process has very high cost. The main criterion is development time (develop, debug and maintain time, high entrance level). Some of the most popular solutions on the market of these compilers are GCC, LLVM. Each of them contains (in implementation) platform-specific code lik...

The enterprises working in shadow economy do not undertake any measures for protection of ecology, do not pay payments for use of natural resources and environmental in the budget though they do harm to a surrounding medium in the course of the economic activity. The scales of a shadow economy existing in the Russian Federation exerts the increasing impact on formation and ensuring financial stability of regional budgets. According to the experts the IMF, scales of the shadow sector of economy in the Russian Feder...

Originally, walls were of structural or defensive nature and that typology hasn?t changed for millennia. It can be traced back to the evolution of the human species and the shift from nomadic to sedentary societies. Along with technological progress, society development, urban growth and other factors, new challenges were placed on walls. Today, walls are used for protection against environmental risk rather than robberies or military troops. In the paper the basic typology of walls ? the one of territorial protec...

The paper deals with burning processes, combustible materials and materials. Each fire is accompanied by combustion processes that depend on combustion conditions, in particular the presence of flammable substances and materials, oxidant and source of initiation. Fire is burning spreading uncontrollably in time and space. Fever represents a set of exothermic physicochemical events, in which the redox reactions occurring in the release of a considerable amount of thermal and light energy, at the same time release f...

The Volga?Ural petroliferous basin is the oldest oil producing region of Russia. Therefore, most of the major oil and gas fields of traditional types here are already at the final stage of production. This provides for the increasing interest to develop unconventional resources of hydrocarbons associated with potential resources of the Upper Devonian?Lower Carboniferous (Tournaisian) Domanik-type sedimentary formations. This study focused on the geomechanical and petrophysical evaluation of the Domanik Formation a...

One of the most important questions to deal with while conducting a building development project is the selection of a variant investment solution. In a situation where we have several possibilities of performing the building processes, a choice must be made. And when there are many factors involved in a decision-making process, it is much more complicated to arrive at a decision than in a situation when an assessment is based on a single criterion. One of the elementary stages in a decision-making process is when...

In the parts of the mine where the exploitation is finished, noticed is surface deformation as a consequence of the surface subsidence. They may be extremely unfavorable because they cause activation of new geomorphogenetic processes. After the excavation was completed, in 2011 a geodetic survey was carried out above the excavation field OP Kp-I ("C" plate) of the pit Seoce, mining area "Haljini?i" in Kakanj coal mine. Subsidence caused by underground mining are almost always localized on the surface above the und...

Dielectric barrier discharge being low-temperature plasma generated in cases with an dielectric material between the electrodes is a new method developed recently which has been used to degrade organic pollutants in waste water, because is the hydroxyl radical produced as was shown. Pollution of water with aliphatic organic substances leads to irreversible environmental changes. Physicochemical and biological methods of water treatment are being developed for controlling such pollution. Oxidation of aliphatic orga...

Interpretation of geophysical data is an important stage at a research of interior of Earth and problem solving of a prospecting geophysics. Potential geophysical fields ? gravitational, magnetic, stationary thermal ? satisfy to the equation of Laplace. Therefore, the theory and methods of interpretation developed for one of this field have the universal character. At the same time, it is necessary for these problems solution to use results of interpretation other geophysical data, first of all, seismic data. Proc...

An investigation of atmospheric deposition and acid/base balance was carried out. The throughfall chemistry for the fluxes of Ca2+, K+, Mg2+, SO42?, NO3? and NH4+ ions in six coniferous stands in Bulgaria in a 2017 year was compared. Site Petrohan and Plana are used for long-term ecological monitoring and are sites included in LTER network, as well. The amount of acid throughfall deposition was higher than the base deposition fluxes in all study coniferous stands, except a site Plana. That revealed a high potentia...

The objects of research were carbonate-siliceous rocks of Semiluk and Mendym horizons of Upper Devonian formations from Volga-Ural region, Russian Federation. The main purpose of studying was a comprehensive investigations Devonian black shale and an assessment of their resource potential as objects of future exploitation for oil (unconventional shale oil formations). It was shown that the Upper Devonian black shales and their analogues have widespread on the territory of the eastern part of the Russian platform. ...

There is carried out the analysis of parallel methods of binary numbers sorting, which allows to represent the algorithm in a graphical form. Particular attention is paid to the methods of binary numbers sorting, which are subject to hardware implementation, namely: the Batcher?s method, the method of "even-odd" permutation, the merging method, the method of "ideal shuffling" and the modified "bubbles" method. The theory of data flow graph of algorithm is studied, which is the basis of graphically specified sortin...

Due to the flow behavior complexity, the calculation of local head losses needs to be based on experimental results. Although there is great literature regarding the study of valves, and a part of it contains detailed results of local head loss too, these values are always related to a specific manufacturer. This means that for accurate design it is recommended to know the specific head loss exactly for the used device. In the present paper the conception and building of an experimental stand for measurement of lo...

The establishment of the characteristics to mechanical cutting of the rocks through chipping, just as it happens in practice for the bucket-wheel excavator having teeth, represents an elemental problem and underlies the concrete knowledge of rocks dislocation. Interdependency laws among the geometric parameters and technological ones of the chipping teeth, the parameters of the dislocated chippings and the parameters of the cutting regimes which can be established taking into account qualitative and quantitative a...

The reprocessing of tailings is gaining importance both for economic and environmental reasons. In the case of abandoned mining waste disposals, the reprocessing of tailings constitutes an option that can be considered to fit the paradigms of the actual mineral industry challenges: circular economy and sustainability. The present study focuses on the tailings of an old embankment (Cabe?o do Pi?o) of the tungsten Panasqueira mine, in central Portugal. Although Panasqueira mine is still in operation today, it had it...

The article presents dangerous meteorological phenomena which occurred at Rzesz?w-Jasionka Airport. It investigates hazards caused by dangerous meteorological phenomena for conducting take-off and landing operations. During this study, the approach landing systems were considered. Rzesz?w-Jesionka airport is an airports with a large number of flying days. It can be said that there are climatic conditions conducive to a safe performance of air operations. Meteorological data from the period of 2000-2016 were taken ...

The precipitation surplus of the year 2009 has caused regional increase of the ground water table in the whole lowland region of Slovak Republic. The contribution deals with the analysis and the evaluation of the potential impact of treatment carried out through the Trn?vka River on the groundwater level regime in the adjacent area in the county town of Trnava. The aim of the article is to refute the false presumption of incorrect technical solution of Trn?vka stream training namely on the basis of similarity of t...

Regardless of the nature and type of geodetic control networks, their task is to create a base for determining the position of various objects on the surface of the Earth. In the whole globe there is a need to conduct detailed geodetic measurements and to develop their results in the binding spatial reference system. In Poland, three classes of accuracy of terrain details are designated. Of all the field details, the highest accuracy of position determination is required for border points. This results from the ne...

The main goal of this research is to detection and mapping ground displacement using Differential Radar Interferometry (DInSAR) technique. DInSAR is a powerful tool to detect and monitor ground deformation. Ia?i county is considered as study area in this research. Study area is geographically situated on latitude 46В°48?N to 47В°35?N and longitude 26В°29?E to 28В°07?E. For this paper was used Sentinel ? 1 images, kindly provided by The European Space Agency (ESA), which cover period January - December 2017, with v...

Thermal imaging is contemporary remote sensing measurement technique, which provides an image of the temperature distribution in the measured object. The method is widely used, due to its mobility as well as the non-destructive character of the measurement. Infrared thermography is especially relevant in the inspection of insulation, what is more, it is a suitable device for detecting thermal bridges and structural changes, which can impact building energy performance. In the paper, authors brought up the issue an...