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The Makmal gold deposit is located in the Republic of Kyrgyzstan. As a result of mining operations, under the bottom of the quarry, an open worked out space was formed with access to the surface above each chamber and overhanging rock consoles. This mining situation at the field caused the danger of sudden collapses of rock consoles and the walls of the chambers of the separating pillar. In this article, in order to justify the method of filling the voids and choosing the technology for the extraction of the pilla...

The article presents the analysis of the flood zones of Nizhnevartovsk by means of geographic information mapping taking into account the peculiarities of natural and climatic conditions. A study of flood zones of the urban landscape has a social, economic and ecological importance. The social effect is due to the recommendations of the placement of industrial and residential facilities in the flood zone. The economic aspect is focused on avoiding the financial costs of flooding. The ecological effect of the resea...

The paper deals with the implementation of modern techniques and methods of surveillance in closed mining sites, for monitoring, assessing the real state and forecasting possible changes to provide an integrated picture of the state of the natural environment. The proposed system is designed as a tool with practical applicability in the decision making process of ecological restoration strategies of closed mining sites. Closed / abandoned mines have an acute need to deploy a sensor network due to their lack of wor...

The aim of the present work is to develop a fractal method for space maps analysis. Although there are accurate theories of lunar motion in the dynamic coordinate system based on lunar laser ranging and space measurements with an accuracy up to multiarcseconds, analysis of various models of the lunar figure is a complicated problem. The reason for it is that the determination of a reference system for coordinate data and assessing its authenticity are difficult. In order to solve the problem, a comparative method,...

Systematic research on the collective behaviour of formal grammars started in the 90s of 20th century. One of the variants of grammar system models was inspired by eco-systems and it is called eco-grammar systems. Eco-grammar systems describe the interplay between an evolving environment and the community of agents which form the eco-system. Each agent as well as the environment of the eco-grammar system is represented by its own 0L scheme. Agent in the eco-grammar systems can change environmental symbols independ...

Here, we developed an effective D-glucose oxidation with magnetically recoverable biocatalysts. These biocatalysts were synthesized on magnetite particles obtained by different methods, polyol and co-precipitation. These MPs were coated with a layer of silica modified with amino groups. The GOx covalent attachment has been carried out via the reaction with glutaraldehyde. We established that the method of MPs synthesis affect the enzyme catalytic activity. It should be noted that the magnetically recoverable bioca...

Human is a factor influencing the appearance and functioning of naturally set systems in the landscape. Its construction activity affects the events above and below the surface. The way in which the country is affected will be decided in the construction project in the planning and implementation phases of project management. During the construction phase, various stages of elaboration of the details of the project documentation arise. The current concept of the planning phase represents a burden for the coordinat...

The construction of small hydro power plants is a solution for obtaining cheap electric energy, but it also has a negligible impact on the environment. What raises serious problems is the location of some of these micro-hydropower plants, including the Buda and Capra brooks, as well as their way of execution. Valea Argesului area on the upper course, is recognized for its biodiversity and landscape heritage value. Changes to vegetation through abusive deforestation, biodiversity reduction by habitat segmentation a...

This paper discusses the causes of surface deformation as a consequence of mining activities. Surface deformation associated with underground coal mining, named subsidence, is a gradual settling of the earth?s surface. Subsidence effects can result from all mining methods, but especially coal mining. Some of the primary effects of surface subsidence include damages of infrastructure (buildings and roads). The most vulnerable areas for deformation are those where underground mine working are closed to the ground su...

This work devoted to study in situ combustion processes of crude oil at different pressures. The crude oils from Russian Federation were selected field. Oxidation process in reservoir conditions (50.7, 83.8, 101.2, 125.5 bars and 50 °C) was studied for crude oil. The combustion study was investigated by accelerating rate calorimetry (ARC). Arrhenius kinetic parameters were determined for crude oils. The correlation between reaction duration and initial pressure was found.

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...

Due to the fact that suitable information regarding the resources in forest administration in very important, forest inventory of fields is used in forestry to assess and monitor forests on a wide scale. Today forest and land cover parameters are estimated using satellite and ground reference data. There are several field and remote sensing methods which are used for providing data but with high cost in order to fulfill and sustain the requirements. An alternative solution to these methods is the Earth Observation...

The porphyry copper Malmyzh deposit is situated in the Russian Federation (Khabarovskiy kray). An oxidized ore sample from Malmyzh deposit with 0.8 ppm gold content was obtained and research of gold leaching of gold from oxidized gold-copper ore was carried out. Starved cyanide concentration solution and extended concentration cyanic solutions were tested. Results were compared with non-cyanic lixiviants. Sodium bicarbonate and chloride leach solution were activated with electrolysis and UV-radiation. Theoretical ...

Renewable energy sources (RES) are of great interest across the world, since it can be used to obtain clean, green energy, thus minimizing the environmental pollution. Romania has an important potential for development of renewable energy, in the hydro, wind, solar, geothermal, and biomass fields. But the market of RES expands or shrinks being influenced by policies, technologies and financial support change. The transposition of Directive 2009/28/EC of the European Parliament on the promotion of the use of energy...

According to the sustainable mobility, there are many rules how to do best a moving the citizens in our cities. What is interesting that we do not have a classical ? technical rules how to reach the sustainability in transport. The big deal is coming from the NGO people, mainly. The politicians have open their arms for them and then defectively requires from professionals non-systematic solutions. In Bratislava, Capital of Slovakia, is like in other cities in Europe a huge development boom. Completely new down tow...

Changing the shoreline is an element of great interest for the coastal communities. The multitude of social, economic and environmental activities that take place in the Romanian coastal area requires a strategic approach. In the present paper, we are discussing strategic options for human intervention in the Romanian coastal zone. Engineering works to protect coasts from coastal erosion must be closely linked to human activities that take place in the coastal area, even though we are talking about tourism, transp...

Many countries have no waste separation and mixed household waste accumulated mostly in landfills could pose serious environmental risk if landfills do not fulfill the requirements. The risk becomes much higher with increasing of hazardous components quantities in household waste (having hazardous properties and containing toxic chemicals). These include batteries, fluorescent lamps, chlorine-containing plastics, aromatic compounds and many others. Some hazardous waste are toxic themselves (waste oils) and some ar...

Parameters of local scours in an unprotected part of the riverbed behind the hydrosystem end structures are determined by distribution of kinematic characteristics of the flow. The kinematic characteristics in cross-sections of a natural part of the riverbed depend on a number of factors, including the bottom roughness, flow depth and water surface slope. To calculate the velocity distribution over the cross-section of the drainage channel, we used Navier?Stokes equations for the uniform steady turbulent motion. W...

Crystal dextrose is produced from solutions by enzymatic hydrolysis of starch. The process of crystallization of dextrose is the most complicated and responsible. The nucleation stage is particularly difficult. The common theory of crystallization connects the rate of nucleus formation with the surface tension of the solution. The purpose of the research is to activate the crystallization process by using surface-active substances (surfactants). Aliphatic alcohols: butanol, propanol, isobutanol, isopropanol were u...

Land consolidation is a fundamental instrument for agricultural management. It facilitates comprehensive changes in the agricultural, settlement, social, and ecological domains. Consolidation and post-consolidation development-related investments are an opportunity to improve living and working conditions in rural areas. One of the primary goals of consolidation, directly specified in the Act on land consolidation, is to improve farming conditions. In Poland, consolidation is possible owing to RDP 2014?2020 EU fun...

The pancreas of cattle is one of the most important by-products produced in the meat processing industry. Meat processing plants of medium capacity per year produce at least 40 tons of pancreas of cattle. The pancreas is a valuable raw material for the biotechnology, because it has high contents of hydrolytic enzymes. Among them, the most important enzymes are ribonuclease, proteases, amylase and lipase. The most perspective is the implementation of low-waste technology, involving the isolation of the maximum numb...

There are rich heavy oil resources in Russia. The paper deals with bituminous sandstones in the southeast of the Republic of Tatarstan (central Russia). The shallow depth and high reservoir thickness of these deposits are very favorable factors for the heavy viscous oil development. Due to this, heavy viscous oil deposits of this territory are of great interest. The conventional approaches for reservoir characterization and development monitoring are complicated for such bituminous deposits. Currently, in the fram...

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 Motru-Rovinari coal basin is placed in South-West Development Region on an area of about 522.54 km2 and is part of Oltenia mining region. Since the 50-60?s (1955- 1960) it was opened here the open cast mining from which was extracted lignite, a quality charcoal. There followed the years of communism when were opened many fronts of exploitation and now has over 50 quarries, micro quarries, dumps and mining extraction. Opening and exploiting the high capacity of coal in this extractions unit, needed to find solu...

In the case of Poland, from the reporting year, 2017, the NFI Directive requires almost 300 companies to disclosure information, at least on environmental, social, and governance, as well as on respect for human rights, anti-corruption. The aim of this article is to understand the degree of conformity within the non-financial information disclosure of Polish Public Interest Entities (PIE)?s, after to the transposition of Directive 2014/95/EU into Polish law. The empirical research was based on the content analysis...

The aerial survey results have shown a number of benefits of aerial survey if compared to ground survey. Unmanned aerial vehicle can be effectively used in surveying works in opencasts. At the same time, this technology allows to improve accuracy, safety and effectiveness of surveying works as well as reduce costs and labor effort. The surveying department and industrial engineers of JSC SUEK for surveying works in open pits have applied the unmanned aerial vehicles. As the result, labor productivity increased sig...

In this study, total heavy metal distributions in serpentinite soils from T?rko?lu-Kahramanmara? region SE Turkey were investigated. Common ultramafic rock types (dunite, harzburgite, lherzolite, wehrlite) and the secondary alteration products formed by their hydration within the Earth?s crust (serpentinite) are the primary source of serpentinite soils. The characteristics of soils developed on serpentinite and peridotite differ from other soils. Numerous studies have reported that typical heavy metal enrichment i...

This paper tackles the issue of the culture of ecological security and the ecological security sector, which both constitute a subfield of the culture of security and the culture of national security. The concept of sustained development provides important context for the issue. The dissemination on an individual, collective, and eventually global scale of a properly-cultivated ecological culture should allow for implementing changes in already existing policies regarding the exploration and utilisation of our pla...

The aim of the present paper is to give a brief review of results of computer simulating observations of the lunar rotation from the lunar surface. The simulation of physical libration of the Moon using the lunar telescope was performed on the basis of multiparametric analysis. High expectations in terms of obtaining accurate data on physical libration of the Moon are linked with SELENE Japanese project. The project implies an installation of the optical telescope at one of the Poles of the Moon. The observation o...

The aim of the project is to determine the optimum geometry and different kinds of nozzles location on the drilling tools face. The optimum geometry and its proper arrangement will allow the maximum use of specific mechanical energy drilling through its reduction and minimizing pressure losses to overcome flow resistance in the nozzles of a drill bit. In their previous work, the authors showed that hydraulic power is a very important aspect, affecting the loss of pressure at the bottom of a borehole. It has been s...

Mesofauna is the most numerous part of soil animals. Mesofauna, along with other soil organisms, can be used as a bioindicator. In addition to the high abundance, tangible biomass and widespread occurrence, the mesofauna is characterized by the ability to respond quickly to changes in the ecosystem, the availability of species identification and the possibility of using the quantitative characteristics associated with the availability of standard conventional isolation methods for comparison. The inhabitants of th...

The paper is focused on manifestations of chaotic behavior in the time series of pollution concentration. Deterministic chaos denotes a type of complex behavior of a deterministic dynamical system. The most important algorithms for data representation, prediction, phase space reconstruction, dimension, entropies, persistence and Lyapunov estimation are applicate here. At first we estimated the time delay and the embedding dimension, which is needed for the Lyapunov exponent estimation and for the phase space recon...

Deformation analysis represents an actual and important theme, therefore methods for improving the tracking and analysis process of deformations, both for constructions and for lands, as well as diminishing the necessary time for deformation analysis, are the main concerns for the specialists and not only. When it comes to major constructions or constructions of particular importance, deformation analysis proves to be an extremely important tool. The results of the analysis can be used in decision-making systems f...

Heavy crude oils are extracted mostly by thermal recovery methods which reduce viscosity of heavy oil due to destruction of associative bonds in a complex oil fluid. In a number of articles, it is proved that at a temperature of more than 200-250° C there is also a certain chemical transformation of hydrocarbons, primarily containing hetero-elements. The use of finely-dispersed catalysts, injected directly into the oil-bearing formation, allows to intensify the processes of destructive hydrogenation of asphaltenes...

The flow properties of porous media play an important role in the study of hydrodynamic processes in oil and gas reservoirs. Such characteristics as absolute permeability coefficients, capillary pressure curves, relative phase permeability cannot be estimated from well logs and seismic survey. Their measurements in laboratory are time-consuming and cost expensive. An alternative approach for estimation flow properties is "Computational Rock Physics" using computational experiments on digital models of porous media...

Climate change is a global problem and carbon sequestration is one of the possible ways to reduce it. After application of organic matter to the soil, most of the carbon is mineralized and released into the atmosphere where it becomes a part of the greenhouse gas. Biochar is also an organic matter but it contains carbon in a form that is mineralized slowly (hundreds to thousands years). In addition to these complex compounds, it also contains readily available carbon and also aromatic substances which may be toxic...

The Baltic Sea is suffering from extended surplus of phosphorus, nitrogen and other pollutants. It causes diminishing biodiversity and increased eutrophication (mainly due to nitrogen and phosphorous in various substances). The common effort in the region is environmental standpoint in sustainable circular economy. Oil pollutants, heavy metals, organic substances are being released to the Baltic Sea and consequences for maritime environment are serious. However, Baltic Sea Region is one of the most innovative regi...

Building is constantly heading for the development of new technologies, better materials and reduction of energy consumption, however daylighting remains an essential factor that considerably affects the interior of buildings and it cannot be technologically improved or replaced. The total quality of the indoor environment is crucial to humans. Daylight is important not only from a psychological and health point of view, but also from the point of health standards. People who are forced to work in workplaces witho...

Plastic is often one of the major components of municipal solid waste and its processing product Refuse Derived Fuel (RDF) and thus, waste plastic is an alternative energy resource of importance for implementing Waste-to-Energy strategy. The aim of this study is to investigate the thermal decomposition characteristics by means of thermogravimetric (TG) and derivative thermogravimetric (DTG) analysis of plastic commonly found in municipal solid waste from perspective of possibilities to use gasification as a proces...

The industrial activity of the last century has led to the severe environment pollution, especially in the areas where mining and smelting processes were involved. The impact of atmospheric emissions from the metallurgical plants was detected at great distances from the emission source. The main units for the processing of non-ferrous ores (in Romania) were located in Baia Mare (Maramures county ? MM), Copsa Mica (Sibiu county ? SB) and Zlatna (Alba county ? AB). In the Alba and Maramures counties there was and st...

For reasoned reconstruction of initial presence of various organic substrates in the soil-ground material of archaeological sites, a model experiment was performed, where the dynamics of decomposition of organic substrates of protein, lipid and polysaccharide composition by soil microbial communities was studied. The experiment was carried out on gray forest soil under optimal conditions (60% WHC, 25oC). Soil samples were enriched by one of the substrates of protein (gelatin, casein, and sheep wool), lipid (sheep ...

This paper described results of the research in the field of organic based raw materials from the textile industry for the production of vacuum insulating panels (VIP) with extremely low thermal conductivity value. The paper presents current research findings on the behavior of fibrous structures on an organic basis at extremely low pressure. The practical findings and results of experimental work on the production and behavior of vacuum insulating panels with an alternative core insulant based on organic / natura...

Use of digital elevation models is crucial in fast growing need on developing project documentation to design roads and other buildings. There are a lot of different digital elevation models available online for free download and free use. However the production of such models come from different sources and one can expect different results using different digital elevation models. In this paper evaluation of such digital elevation models will be given. Faculty of Geotechnical Engineering is monitoring exploitatio...

The uncertainty of methods for determining the heavy metal compounds, as well as problems in the comparison of the methods used, require further studies in this field. The aim of research is to study the fractional composition of Cu and Zn compounds in soil under model contamination conditions using different fractional methods. Chernozem Haplic was artificially contaminated with Cu and Zn acetates at rate of 300 mg kg ?1. Distribution of Cu forms in soil at the use of sequential fractionation by the Miller method...

The article describes the newly diagnosed incidence of the musculoskeletal system in the regions of the Republic of Kazakhstan (East Kazakhstan region) with the identification of risk levels, mapping, correlation of environmental factors and clinical and laboratory data on osteopenia diagnostics with the Omnisense-7000. A high incidence rate was detected in the Borodulikha district, close to the former Semipalatinsk nuclear test site and in the industrial city of Ridder, the center of the mining and metallurgical ...

Geological education has a number of specific features. Modern geology is a complex of more than a hundred of sciences and scientific disciplines. The objects of study of the geology are distributed both in space and time in the widest ranges: these being planetary and nanometric dimensions, billions of years of geologic history and the nanoseconds of the processes of crystal formation. The cognition of the diversity of the geological phenomena requires the fundamental knowledges of mathematics, physics, chemistry...

The quality of life can be assessed according to a variety of indicators e.g. financial provision, access to goods and services, the quality of environmental particles etc. These indicators can be well-measurable; they are all objective ones. There are many others, such as liberty, happiness, sense of security etc. These indicators are far more difficult to measure and we call them subjective indicators. The security is one of the essential indicators of quality of life. There is no way to reduce security just to ...

Carrion beetles are an important part of the decomposition processes in the ecosystems of the North Hemisphere. Along with the flies, they are the main consumers of dead animal tissues, thusdriving the nutrients from the carcass to other parts of the ecosystem. These animals can also be used as bio-indicators in forensic entomology, where they help to identify the time of the death and post-mortem body manipulation. However, for using the beetles in this manner, it is essential to identify seasonal cycles in the l...

Silesia Province, which is located in the southern part of Poland, belongs to regions with the most degraded lands in the whole country. According to the ?Environmental Protection 2017? (in Polish ?Ochrona ?rodowiska 2017?) report, prepared by the Central Statistical Offiice, in 2016 there were about 4900 ha of devastated and degraded areas in Silesia Province, which required reclamation. The reason for the occurrence of degraded lands in this area is the intensive exploitation and processing of natural resources....

Fruit yogurts are always preferred among dairy products, as they are delicious low-calorie foods associated with healthy nutrition. Now yogurts with tropical fruits are popularity due to their exotic taste and positive influence on human health. The production of yogurt with the addition of feijoa is limited to a short period of storage and selling of this fruit. Vacuum freeze-drying can solved this problem. Therefore, the aim of this research was to determine the rational amount of freeze-dried feijoa for adding ...