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Satellite imagery with different spatial resolutions and global daily revisit time provide much information of earth surfaces on a large scale in a short time. Thereby it is necessary to determine the horizontal accuracy of the satellite imagery to enable the possibility of their future everyday use in different application fields like environmental assessment, urban monitoring, forestry management, etc. In this research multispectral (MS) imagery from PlanetScope (PS), RapidEye (RE) and WorldView-2 (WV2) satellit...

In every technology as well as in Horizontal Directional Drilling (HDD), there are design challenges. Compliance with the requirements forces the application of modern solutions in the mentioned technology. One such solution is the Intersect Drilling method. The Intersect Drilling technology makes it possible to create a hole for Horizontal Directional Drilling of shallow layers and a longer length compared to conventional methods. The decision on whether the Horizontal Directional Drilling (HDD) project should be...

The development and implementation of new technologies can generate many effects for the economy, the quality of environment and human life. For that reason, when a decision about using new or developing already functioning technologies is made, the Sustainability Assessment of the Technology (SAT) should be carried out. The methodology of assessing social impacts is worst developed compared with assessment of economic and environmental impacts, so there is still need to find appropriate indicators and methods for...

Use of fertilizers and plant protection products for yield increases led to environment pollution. There is intense concern for new materials development with controlled immobilization/ holdup/release role of compounds that get involved in plant nutrition and protection. Multiple beneficial effects of humic substances upon soil ecosystem is the reason that their control and conservation take priority. Part of the research results carried out regarding humic substances (HS) holdup on biodegradable, bio polymeric st...

Molluscs are invertebrates that form one of the largest groups in the animal kingdom, with more than 100,000 known species. A wide range of molluscs including families of Pulmonata, Gastropoda, Planorbidae and Lymnaeidae are intermediate hosts of trematodes. The snail Lymnaea stagnalis belongs to the family Lymnaeidae under the order Basommatophora-class Pulmonata is known to be an intermediate host of several parasites such as Chaetogaster limnaei which belongs to the annelid family, Naididae, an ecologically div...

Molluscs are invertebrates that form one of the largest groups in the animal kingdom, with more than 100,000 known species. A wide range of molluscs including families of Pulmonata, Gastropoda, Planorbidae and Lymnaeidae are intermediate hosts of trematodes. The snail Lymnaea stagnalis belongs to the family Lymnaeidae under the order Basommatophora-class Pulmonata is known to be an intermediate host of several parasites such as Chaetogaster limnaei which belongs to the annelid family, Naididae, an ecologically div...

Safe management of tailings storage facilities requires evaluation of embankment stability dams. In case of dams constructed by upstream method, special attention is drawn to evaluation of liquefaction potential. This requires evaluation of state of saturated, not compacted tailings material containing various amount of fines. Conventional methods based on static or dynamic sounding and standard sampling can?t assure required accuracy in determination of void ratio of deposited material. The paper presents results...

A new joint configuration system has been developed to achieve a higher strength and ductility. The joint system consist of a reinforced concrete wall and a composite steel-concrete beam. The study aims for an experimental and a numerical part in a FEM program Abaqus 6.13. The program consist to reproduce the behavior of the joints and the materials variation. The purpose of the paper is to investigate the main parameters that affect the response on the contribution of the steel-concrete materials that influences ...

In the article, the authors provide the analysis of the industry state in the field of software and hardware development on the FPGA basis. The primary emphasis is on high-level synthesis (HLS) tools, which allows making a custom design by a non-RTL engineer. The key factors limiting the extensive introduction of HLS in the industry are determined: in most cases is not allowing to get a good solution without an understanding of target microarchitecture and synthesis method; too complicated and unpredictable tool b...

The Paper present confined groundwater flow and solute transport modeling in water catchments area and wastewater system Giarmata, using the hydraulically modelling whit mathematical simulation. Modeling purpose is to constitute extending pollution propagation of aquifers generated of possible wastewater pumping station pollution. Pollution zone definition is necessary to settle technical measures to using drinking water systems. The used software for numerical modelling in this paper is Processing Modflow for Win...

Tailings are the waste product of mining industry which is usually deposited in the form of slurry. In the present study, laboratory experiments were performed to investigate the permeability properties of coal mine tailings. The investigation includes the compressibility and consolidation behavior of tailings material of different gradations upon application of incremental loads in large size hydraulic consolidometer. The samples were collected from open pit Tur?w Coal Mine in Poland. Remolded samples were manufa...

The property that influences the binding properties of slag is its hydraulicity. The term ?hydraulicity? is now used internationally to describe cements and other binders that set and harden as a result of chemical reactions with water and continue to harden even if subsequently placed under water. There are a few exceptions but these chemical reactions generally involve calcium, silica, and aluminum constituents that react with water to form a whole family of calcium silicate and calcium aluminate hydrates. The c...

In the area of the Erzgebirge Foothills (Krusne hory), research of flooded mine pits in terms of water regime and quality as well as their management and subsequent use has attracted great attention in recent years. Smaller water reservoirs (ponds, wetlands, dips, sinks) have not been systematically monitored, despite of their importance in this type of landscape which has been affected by mining. The Modlany reservoir was monitored in 2013?2017. This small water body shows symptoms of an extremely eutrophicated s...

This paper sets forth in exploring the impact that developments in the energy sector in Greece may have on the economic growth of the country, and in the EU?s energy situation. The inspiration for this topic derived from a widely recognized need for the EU to reinforce, through multiple initiatives, developmental activities in the sector in countries located in the south-east Mediterranean region, diversify its energy supply and improve its energy security. Greece has a lot to offer towards that direction, confirm...

At present there is an intensive growth of rivers? water use, which results in deterioration of water quality and hydrological regime. Small rivers are regulators of water regime of landscapes, maintain equilibrium and redistribution of moisture, as well as determine the hydrological and hydrochemical specificity of medium and large rivers. Drying, silting and disappearing of small rivers are the result of anthropogenic activity and climate change. Monitoring researches of surface water quality of small rivers is ...

The Dobrudzha Coal Deposit is characterized by complex geological, tectonic and hydrogeological conditions. The formed aquifers and complexes, on the one hand, hinder the possible exploitation of the coal deposit, on the other hand they are important for drinking water supply in the area. The aim of the present study is to develop a 3D hydrodynamic model in the area of the deposit to elucidate the dynamics of the flow processes, the hydraulic connections between the different hydrogeological units and the possibil...

In order to increase the resource potential of the Volga-Ural oil and gas province, natural bitumen deposits have been commissioned in recent years. The pilot-industrial development of some near-surface bituminous deposits encountered numerous problems due to insufficient information on the hydrogeological conditions of the sites under study. In this paper, conditions of the groundwater deposits formation at natural bitumens deposits of the eastern side of the Melekess depression and the western slope of the South...

Mining exploitation in an underground mine is the main factor disturbing the balance within the rock mass. By removing the obtained raw material from the rock mass mining activity leads to changes in the broadly understood state of the natural environment. Extraction of the raw material ? hard coal with barren rocks is often associated with the need to undertake dewatering of the rock mass and discharging mine gases into the atmosphere. The process of extracting the raw material from the deposit and the accompanyi...

Mathematical determination of the course of the baseline is necessary to establish the external border of the territorial sea, which is the state border. Its determination mainly affects the defining of the range of sovereign rights of individual states. For Poland, the determination of the course of the territorial sea baseline can be considered in two main aspects: legal and measurement-related. This paper discusses the issue of preparing measurements of the baseline. It presents domestic and international regul...

Hydrological reclamations are one way of eliminating consequences of surface mining of coal. The residual quarries occupy extensive areas and the most effective way how to integrate them into the surrounding landscape is their flooding. This will create a new water area that can be used recreationally and could also serve as a habitat or a migration point for different plant and animal species. The contribution is focused on northern part of the Czech Republic (The Most Basin) where brown coal has been mined for n...

In Poland, like in many other countries, research is conducted toward creating sorbent materials based on fly ashes. The present shows the synthesis of fly ash from brown coal combustion in pulverised-fuel boilers of the Be?chat?w Power Plant. The synthesis was conducted in an autoclave using the hydrothermal method with alkaline activation. The conditions for the synthesis were: temperature of 170В°C, NaOH aqueous solution. The chemical composition of the fly ash as well as the products of the synthesis was deter...

This paper presents the results of an experimental study of concrete designed as a secondary barrier for radioactive waste deposition. Sorption materials, such as natural zeolite, have very good encapsulation ability to certain ions, which can be harmful for the environment, such as 137Cs. Incorporation of natural zeolite into concrete may increase the protection ability of secondary barriers against radionuclide release. Determination of water-transport- and water vapour transport properties of such concrete can ...

The basic rationale for the research was the lack of landscape planning approaches within the spatial planning process in Croatia. The most important deficiency addressed in this research was an integral inclusion of the public opinion and their values into the planning process. Dealing with the conflicts which may arise from it represents one of the activities that are taken into account within landscape planning. Shortage of an integrated approach to landscape planning in Croatia causes conflicts between differe...

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...

Cernush? map case is located between Mitrovica and Vushtrri (Kosovo). The southwestern part belongs to the northwestern edge of the Kosovo Basin, whereas the remainder of the map-case is characterized with hill-type reliefs. Part of the mountainous relief are the peaks of Stremenica (1064m), ?uka (1036m), and Cernusha (1009m). Cernusha map-case is subject to average continental climate, hot summers and cold winters. In the Cernusha map-case, quaternary deposits hold around 15% of the surface and are made of Holoce...

The analysis of the correlations between the specified characters (29 characters) along with the analysis of the variety classification for different characters involved in drought tolerance can provide information on the possibility of using varieties noted for a certain character in improving the tolerance to drought of another variety, where that determination was detected as a selection indicator. The correlation between the stem length ratio to 20% PEG versus the control stem length after 15 days and the loss...

Coastal areas around the world are constantly subjected to pressure on human activities. The environment suffers transformations from the anthropogenic activities, transformations that most often have the effect the degradation of the environmental factors. Coastal areas are often described as areas of potential conflict between the stakeholders and mechanisms such as integrated the coastal zone management or, more specifically, marine spatial planning are designed to achieve the sustainable management in this are...

Prices of urban real estate are formed under the influence of several groups of factors, among which we can identify demand and supply, characteristics of the external market environment, specifics of users, factors of effective use, etc. However, the role of factors is not equal, and the redistribution of their "weight" occurs almost constantly. The importance of the environmental factor (both positive and negative points) is generally not in doubt, but its impact on real estate prices is also constantly changing...

Open-pit mining exploitation of useful mineral deposits involves occupancy and affectation of large areas of land, with negative effects on medium and long term. Although the impact of mining operations can not be avoided during the exploitation, it can be reduced and, after the cessation of the mining activities, it can be offset. The impact of open-pit mining exploitation occurs primarily on the land by radically changes on the morphology and geomorphology of the land, by modification of the geotechnical charact...

Bread products industry is one of the main branches of food industry. Taking into account the final products and their great diversity, they are divided from the scientific point of view in three categories such as: bread and bread products, pastry and specialty products (biscuits, donuts etc.), these constituting products categories that are consumed daily in quantities that depend on the consumption preferences of the population. In Romania, are consumed as a medium value 95 kg of bread per consumer per year, co...

In the present study, an image porcessing analysis of porosity in some iron-based powder materials was proposed. The specimens analyzed were produced from atomised iron powders of different sizes (< 45, 45-63, 63-100, 100-150, >150 ?m). The analyzed powders were compressed in a mold using uniaxial pressing and the applied pressure was 600 MPa with the disc dimensions of ? 8 ? 6 mm. The compacts were sintered at a temperature of 1.150 В°C with the sintering time of 60 and 90 minutes. The sintered specimens obtained...

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 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...

Food habits are specific to each nationality. One common point is represented by the dairy products due to their specific properties. Starting from the raw material used (milk) which could ensure all the nutrients needed for supporting life, the dairy conserves most of the milk components but with a high preservation degree and digestibility. The present study focuses on establishing the nutritional and toxicological characteristics of some local traditionally made cheese. The motivation of the samples taken is de...

Food habits are specific to each nationality. One common point is represented by the dairy products due to their specific properties. Starting from the raw material used (milk) which could ensure all the nutrients needed for supporting life, the dairy conserves most of the milk components but with a high preservation degree and digestibility. The present study focuses on establishing the nutritional and toxicological characteristics of some local traditionally made cheese. The motivation of the samples taken is de...

In Latvia, English oak Quercus robur L. planting material is grown both as bare-root seedlings and bare-root plants. Its breeding is difficult, because the quality of planting material is affected by both abiotic and biotic factors. Damage caused by various factors may be spread evenly and unevenly in the area of cultivating planting material. The most common damage to seedlings and plants can be observed already in the spring, when new leaves begin to flourish and new shoots develop. It is clear that differences ...

Honey, produced by honeybees (Apis mellifera) through nectar plants processing, has a distinct composition depending on the floral sources, regional and climatic conditions. Heavy metals in honey are of interest mainly for quality control and nutritional aspect along with the estimation of the potential environmental contamination. In order to estimate the impact of air pollution on the honey quality, the level of some selected heavy metals such as lead, cadmium, chromium, iron, zinc and manganese in honey was ass...

Synergic effect of the individual components of the indoor environment is considered to be a significant determinant of the quality of the indoor environment. The quality of the indoor environment affects not only the user's comfort but also the health of the users of the buildings. The main objective of the paper is to confirm or exclude a statistically significant impact of hygro-thermal conditions on the indoor air quality (IAQ). Hygrothermal conditions and indoor air quality are the essential components of the...

In the fire statistics, electrical appliances are one of the main sources of fire. In such fires, the first ignited component is the insulation around wires and cables. The aim of this paper is to determine the impact of isoperibolic heating (in the range of 200 ? 400 В°C and with a heat gradient of 10 K in 10 min) on fire resistance of electrical cable (which was modified by a fire-retardant) using a safety calorimeter SEDEX. The individual insulation layers of the sample were pre-ground and each layer was subseq...

The studied area Central Spi? is located in Rud?any - Gelnica area, which is according to environmental regionalization included in the environmentally loaded and unhealthy areas in Slovakia. As a result of long and intensive mining and processing of minerals, the area is polluted with heavy metals and the landscape was altered by extensive anthropogenic forms. In the context of mining activity, surface water acts as a transport medium of pollution, thus expanding the area of the impact of old mining activities on...

The former village Rosiuta, now neighborhood of Motru city, located in Motru mining basin, is surrounded by sterile waste dumps and lignite storage platforms. These are a constant source of particulate matter which is carried by the wind over the inhabited area and affects the quality of breathing air. In order to evaluate the powders dispersion from these sources, it was made chemical and granulometric analysis of the particulate matter on several material samples collected from the area. Based on various meteoro...

The land subsidence caused by underground mining results in the transformation of water relations in the catchment. The purpose of the research is to determine the impact of the subsidence basin on changes in the water cycle. Detailed research was carried out in the city of Bytom, in the Karb district where one of the most spectacular subsidence basins on the Silesian Upland (southern Poland) emerged. As part of the study, the geological structure of the area was examined and a detailed geomorphological and hydrol...

We analyze the impact of tectonics on the geomorphology of the rivers valleys, in Albania. Interaction of several factors, predominantly tectonic ones, has played a major role in this respect. Tectonic, climatic and erosional factors have affected the formation of several levels of Quaternary terraces, during the Pliocene-Quaternary period, of the latest Alpine folding phase. Nine levels of terraces are evidenced so far, some of which dated based on radiocarbon 14C and cosmogenic 10Be methods. Active tectonics is ...

An important element in forecasting impact on groundwater of post-mining wastes used for open pit reclamation is the quantitative assessment of the absorptive capacity of deposited wastes (mainly Carboniferous rocks) and the volume of free rock debris as a zone more susceptible to mineral weathering and pollution leaching. These tests must be carried out simultaneously with the simulation on a laboratory scale of changes in the filtration coefficient of loose materials depending on the depth of the dumping ground ...

The felling of trees on small plots, using the method of varying intensity is used in areas where widespread small-leaved Linden or she prevails.. This tree species is very closely related to beekeeping and a valuable timber.. Therefore, the proposed felling allow to organize complex mixed forests. In the spatial location they will be placed is uneven with a dominance of small-leaved Linden. Thus, in the generated uneven-age, i.e. the mosaic of forest tiers, will increase the production of nectar. This occurs due ...

The relevance of the study is due to the growing environmental problems faced by modern society and the need for their urgent resolution. The decline in production did not lead to a reduction in the negative anthropogenic impact on the environment, since in an unstable environment many enterprises save on environmental measures. According to most experts, the limits of economic growth are not so much related to the limited resources as are due to the inability of the environment to independently process waste of h...

This paper is about how to build a cheap modern temperature control system on an existing manufacturing system. The authors designed and implemented the control system to a tunnel type furnace for burning bricks used in constructions at SICERAM S.A. Company, Sighisoara, Romania. The bricks manufacturing phases are described in order to help the reader to understand the process complexity and the graph of the entire loading/unloading process is shown together with the tunnel furnace schematics. Then, the graphical ...

Maintaining health and physical condition of astronauts during long-duration space missions requires measures to prevent microgravity effects. At present, such measures consist in practicing certain physical exercises, in using elastic suites, as well as in special medication. However, the efficiency of these solutions is limited. An alternative approach, technologically more difficult, but considerably more efficient, consists in producing a state of artificial gravity in the module inhabited by the crew. Such a ...

Industrial ventilation and air conditioning systems aim at ensuring the air purity and microclimate conditions of the human activity and the nature of the technological process. These ventilation systems help in maintaining work capacity, removing occupational illnesses, increasing the labour productivity and the quality of work-related products. The structure of ventilation systems in spaces and industrial premises requires a thorough knowledge of the technological processes that take place, of the equipment and ...

Using of biodegradable cellulose fibers in the packaging products production reduces needs in synthetic materials for these purposes. Softwood kraft fibers are widely used for cardboard and paper products production because of their high characteristic strength and good paper-forming properties. Recycling of fibers decreases their strength. It happens partly due to the removal of xylan, which plays an important role in interfiber bonds formation in a paper sheet. A priority task is to increase the number of cycles...