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In accordance with the latest trends, considerable emphasis is put on all mining companies in the Czech Republic not only on reducing the environmental impact of brown coal mining, but also on overall efficiency, the balance of which can be improved by increasing of the operational reliability of individual components of technological units and reducing operating costs. And it is the latter sphere, in that Vrsanska uhelna a.s. does considerable initiative. In cooperation with the firm RENOMAG s.r.o. and the Resear...

The work is devoted to the study of the effect of powdered WC monocarbide of different grain sizes, introduced into the composition of the binder of diamond grains of the composition 94 WC + 6Co + Cu in the manufacture of a diamond-bearing matrix of BS-NQ drill bits with a diameter of 75.6 mm, designed by ISM (Ukraine). The effectiveness of the mentioned crowns was evaluated according to the proposed indicator F= ( - mechanical drilling speed; h - the value of the deepening per single experience, - - linear wear o...

Many national and international agencies and organizations collect and provide open access to data on parts of the Earth's surface covered by water. Data on ocean temperature and acidity, precipitation, river flows, lake, sea, and groundwater levels, and many other open data sets allow researchers to monitor and observe water at different scales and time frames, and to better understand ecological processes and human impacts on the water environment. The main challenge in analyzing the vast amount of openly availa...

Currently, one of the main tasks of every employer is to ensure a safe and healthy working environment for every employee. In a global case, it should not only be a legal act, but especially a moral act. The modern policy of each employer should therefore be set in such a way as to continuously improve the occupational safety of employees. This continuous improvement can be achieved in particular through continuous periodic inspections and audits carried out by independent occupational safety staff. This chapter d...

In connection with elaboration of scientific project -Statistical study of forestry companies competitiveness- and on the basis of the accumulated national and foreign experience a system of indicators and sub-indicators for complex quantitative assessment of forestry companies competitiveness has been offered. The proposed indicators are: competitiveness of product being offered; labor productivity; financial results; enterprise growth; market adaptability; economic realization of property of forest resources; si...

Ash and slag waste (ASW) is a finely dispersed mineral material resulting from the combustion of brown and hard coal at thermal power plants. The involvement of ash and slag waste in industrial circulation is one of the effective ways to solve the issue of energy and resource saving. Utilization of ash and slag waste in industrial production will provide a solution to the environmental problem of environmental pollution by industrial waste - technogenic fine dust and harmful effluents by gradually reducing the rat...

The western area of Romania, like the entire country, due to its geographical position - in the temperate zone, is exposed to a wide range of risk weather and climate phenomena with the potential to occur throughout the year. The purpose of this work is to identify some indicators that most correctly express the extreme nature of the manifestations of some meteorological parameters and their characterization over a four-year period. The paper analyzes the main meteorological parameters from the profile stations in...

Amorpha fruticosa L. (false indigo bush) is an invasive shrub species from Fabaceae family originating from North America. Nowadays this species creates great problems because it is invading floodplains along the rivers from Europe, even the Danube River floodplain reaching to the Danube Delta. The floodplain area of the river Mure? is highly affected by this invasion, this species occupying great surfaces of grassland and arable land. The researches were developed on the lowland area alongside the river Mure? (Ar...

Zeolites can either occur naturally, in volcanic rock formations, or can be synthesized in the laboratory. When ground to a fine powder, they can be successfully used as supplementary cementitious material because of their chemical composition consisting in large amounts of SiO2 and Al2O3 that react with Ca(OH)2 to produce C-S-H gels. The composition of synthetic zeolites can be tailored to suit the purpose of their use in cementbased mortar and concrete and they can be produced from a variety of sources and at mu...

Crop cultivation is beneficial for reducing soil erosion and nutrient loss, but there is conflicting information on how crop cultivation affects emissions of nitrogen dioxide (N2O), a potent greenhouse gas. Judicious selection of the cultivated crop in a plant succession is considered an effective approach to maintaining crop productivity. In this paper, we investigated the effects of cultivated crops on soil N2O emissions. Eight crops were used in this study: barley, buckwheat, clover, oats, potatoes, spring whea...

The process of anaerobic fermentation of organic waste makes it possible to produce not only methane, but also hydrogen, which, when mixed, form a high-energy mixture - biohythane. The efficiency of biohythane production in a two-stage anaerobic fermentation process depends on many factors, including organic loading rate (OLR) and hydraulic retention time (HRT). It is known that the addition of an immobilizing support materials to anaerobic bioreactors improves the stability of their operation and increases the bi...

The Republic of Bulgaria is located on the periphery of the Eurasian tectonic plate, and part of it falls within the seismically active Aegean extensional region [1]. The study of modern crustal movements is important in terms of elucidating the geodynamic behaviour of the country on a regional and global scale. It should be taken into account when establishing and maintaining geodetic networks for high precision applications. It should be noted that for the main carrier of the Bulgarian geodetic system - the Stat...

At one of the Kazakh uranium deposits, studies were carried out on the effect of ironoxidizing bacteria on the redox potential of leaching solutions. The studies carried out on three bioreactors with a volume of 1 m3 and one bioreactor with volume 6 m3 made it possible to establish a close relationship between the content of ferric iron in the solution and the redox potential of the leaching solution. In situ recovery of uranium uses sulfuric acid leaching solutions containing sulfuric acid from 3.5 g/liter to 25 ...

Using remote sensing functional aspects of the landscape such as energy exchange between vegetation and the atmosphere, surface reflectance or vegetation heat flux can be monitored and evaluated in detail. Multispectral imagery is used to obtain information on the condition of the vegetation and plant growth, as it allows us to obtain information on possible nutrient deficiencies, pest damage or other manifestations of abiotic stress on the plants. Each surface reflects and emits radiation at different wavelengths...

In the era of sustainable development, the sustainability-era, the different instruments, and modern tools to carry out actions and activities that lead to an increase in the quality of life, both rural and urban environment, led us to ask the following questions: What are in fact the visible or less visible costs, in the medium and long term, when we choose to carry out activities related to agriculture that have easy and short-term success? What are the risks or benefits of such activities, in the medium and lon...

Triticum spelta is one of the most popular wheat species with multiple applications in the bakery industry. Lingonberries fruits are considered as some of the most valuable fruits due to its antioxidant and antimicrobial properties being widely used in the pharmaceutical industry, but also in food processing. This paper presents a study on the influence of using dehydrated and grinded lingonberries fruit as an addition to spelt wheat flour on its baking properties, physicochemical characteristics, antioxidant prop...

Although originally developed for military purposes, Global Navigation Satellite Systems have become indispensable for an ever-growing range of civil and scientific applications such as cartography, cadastral and land information systems, transport systems, precision agriculture, self-driving vehicles, rescue missions, etc. The accuracy of positioning by means of GNSS, however, is affected by atmospheric distortions of the GNSS signals as well as by the characteristics of the receiver (e.g. number of channels, fir...

A study was made of the influence of ZSM-5 zeolite on the composition and properties of the products of fast pyrolysis of flax shives in the temperature range of 350-750 -C. Zeolite ZSM-5 increased the heat of combustion of gaseous products, as well as the content of methane, ethylene, hydrogen, and carbon dioxide, which is probably associated with the processes of cracking of volatile products passing through a layer of a catalyst heated to high temperatures. The synthesis and study of zeolite catalysts ZSM-5 con...

The main idea of the article is to assess the landscape potential for the use of renewable energy systems based on systematic and landscape-ecological approaches. In general, these approaches consist of the analysis of the features of landscape components and their impact on the redistribution of energy flows in the landscape, which in turn form the potential of renewable energy resources of each specific landscape contour. A systematic approach is to consider the holistic properties of a particular landscape in t...

The Water Area Management Plan 2016-2021 assessed reservoirs as natural water bodies. This assessment included their ecological condition. The goal of the intercalibration procedure is to achieve consistency, comparability of results and evaluation of the ecological state based on the biological element of macrozoobenthos quality. The paper presents the results of research on the Cakovec HPP and Dubrava HPP reservoirs on the Drava River from 1999 and 2003. Complex studies of individual biological elements of macro...

The concept of Best Available Techniques (BAT) is the basis for granting Integrated Environmental Permits (IEP) to industrial installations. In Russia, BAT is used along with Best Environmental Practices (BEP) concept to promote resource efficiency solutions and to motivate managers to collaborate with local stakeholders in the field of environmentally sound activities. One of the sectors modernised in accordance with the principles of BAT is municipal wastewater treatment (MWWT). In 2020, the Russian Reference Do...

Climate change and environmental degradation are a huge threat to Europe and the world. The European Union must be ensured the net zero emissions of greenhouse gases in order to become climate neutral by 2050. However, achieving this goal according to the European Climate Law, the greenhouse gasses emission reduction, have to be at least 55% compared the emission level of 1990 by 2030. On top of all that the 2016/2284 numbered directive of the European Union about the reduction of emissions of certain atmospheric ...

Recently, the study of new methods of extraction from vegetable raw materials, such as ultrasonic extraction, microwave extraction and extracritical fluid extraction, has become widespread. The results of the study of ultrasonic extraction in the literature showed that this process provides higher selectivity, has a shorter duration, reduces energy consumption and harmful emissions into the environment. And it is also made in the equipment which design is much simpler than the equipment for pressing. In addition, ...

Uranium in situ recovery (ISR) is an effective method for extracting uranium from sandstone deposits. Many uranium deposits are characterized by the presence of associated metals: gold, platinum group metals and rare earth metals. For one of the uranium deposits in Kazakhstan, studies were carried out on sampling from productive wells at the ISR of uranium. An analysis was carried out for the content of uranium, rare earth elements, scandium, germanium, yttrium and other metals. For the study, samples were taken f...

The waste management sector as one of the most significant economic sectors requires effective management not only in Latvia but in the European Union as whole. According to the recent (2020) available Eurostat data, 505 kg of municipal waste per capita were generated in the EU of which 48% were recycled and 22% were landfilled. Latvia ranges in the 11th position among the EU Member States with 478 kg of generated waste per capita. Romania (287 kg), Poland (346 kg) and Hungary (364 kg) are countries having generat...

Explosive atmospheres may occur both in underground mining, as well as in surface industries such as the oil and gas, chemical, petrochemical, wood or baker industries, basically in all industries which extract, process, use, transport or store flammable substances. Within the European Union, Directive 2014/34/EU regulates the placing on the market of equipment, protective systems and components intended for use in such hazardous atmospheres. In this regard, for proofing the compliance with the essential safety re...

Modern way of life using means of producing energy through renewables and forming a part of energy communities and citizen energy communities represent innovative resources. National Recovery and Resilience Plan (NRRP), redefines an update of the objectives of both the Integrated National Energy and Climate Plane (INECP) and the long-term strategy for the reduction of greenhouse gas emissions, to reflect the changes that have occurred in the meantime in Europe. In detail, this article aims to ponder on the path ta...

A small quantity of flammable gas mixed with dust can cause a large explosion with severe consequences. In this study, hybrid mixtures explosion tests were performed in a constant volume 0.02 m3 spherical vessel. Five pressure-time curves were recorded. The effects of initial temperature on burning velocity were investigated for Lycopodium Clavatum-methane-air hybrid mixtures. The most important results from evaluated experiments are the values of burning rates to understand better the fundamental flame methane-ai...

When considering environmental priorities in the Moscow region, it was pointed out that not only human economic activity damages the environment, but also resources a significant part is destroyed by fires and other emergencies, which number has been increasing in recent years. Land resources are among the main exhaustible resources without which human existence is impossible. State activity, first and foremost, must be aimed at the land resources effective management and protection against the human economic acti...

The aim of the article was to assess the importance of Natura 2000 sites in halting land take, given that the European Commission has set itself the target of reducing land take in the EU to zero by 2050. In the surveyed area, land take is primarily a consequence of the economic activities carried out and of their pace and intensity; the density of housing also puts pressure on the phenomenon through the permanent expansion of the built-up area of the settlements (the brown belt), especially in the economically ef...

Nature-based Solutions is an umbrella concept, gaining traction in recent years. It implies working with nature in order to simultaneously address multiple challenges humanity faces today, including biodiversity loss, climate change, food and energy insecurity. Nature-based Solutions are being applied across landscape types, including urban, rural, forest and protected areas. Combining nature-based solutions with landscape design, however, has predominantly been considered in cities. However, there is a great pote...

The research is part of the -Design of an intelligent system to forecast landslides' processes and their influence on the roads' technical and operational characteristics- project financed by the Ministry of Education and Science of the Republic of Kazakhstan by AP09260066 program. The research goal is in surveying deformed parts of -Almaty-Cosmostation- automobile road nearby critical slopes to identify in the next phases the causes of pavement degradation and formulate then the recommendation to prevent such deg...

This paper provides a detailed picture of the existing legislation of agricultural land use by entities who do not own it in Bulgaria and makes specific suggestions to improve it, aiming at creating a legislative framework enhancing productivity and sustainability. The study is briefly considering the historical and economic factors for the development of the case law in line with the legal framework in thiscontext. Attention is also paid to the goals of the European Union (EU) to provide properconditions for tech...

The levels of specific activity of 90Sr and 137Cs in fish of one of the most polluted reservoirs of the Chornobyl Exclusion Zone (ChEZ) - Vershyna Lake. During the research period from 2011 to 2021 for all studied fish of the lake. The peak ranges of the specific activity of radionuclides are noted at the level of 32960-213300 (average value 67832-22936) Bq/kg for 90Sr and 838-25907 (4811-569) Bq/kg for 137Cs. It is shown that at the current stage, the specific activity of 90Sr in the ichthyofauna of the lake exce...

The impact of anthropogenic greenhouse gas emissions on the increase in the average temperature on the planet and the risk of initiating irreversible processes are recognized by most of the scientific community as real threats to humanity. Many countries have a legal and institutional framework for a consistent industrial policy taking into account the climate and environmental components, including carbon accounting. Russia is a country with high intensity of production-based CO2 emissions. In is well-known that ...

This study is focused on influence of graphene nanoplatelets as additive in magnesium oxychloride cement (MOC) paste. This material composed of light-burned magnesia, prepared at lower temperatures than ordinary Portland cement (PC), is considered as its eco-efficient low-carbon alternative with properties comparable to high-performance concrete such as high mechanical resistance, stiffness., and low porosity. Two composite pastes were prepared, reference paste and paste enhanced with graphene, and subjected to se...

Species of macrofungi were collected from extremely polluted sampling spots in the vicinity of abandoned antimony mines in Slovakia. Concentrations of potentially toxic elements in plants and fungi were determined by ICP-MS and in soils and sediments by both ICP-MS and ICP-ES. Of the edible species the highest values of arsenic and cadmium were recorded in Agaricus arvensis, lead in Imleria badia and representatives of the genera Boletus, Leccinum and Suillus accumulated high levels of mercury. Suillus species als...

From time immemorial, the oceans, seas and their coasts have been the cradle of human civilization and still play a vital role in the lives of millions of people, indirectly affecting all of humanity. The phenomenon of coastalization suggests that our reliance on and dependence from marine and maritime sectors will grow, and their sustainable development is a topical challenge. The Blue growth strategy addresses this issue on a Pan-European level, fostering research and innovation with regards to marine environmen...

Diagnostic ultrasound (US) and magnetic resonance imaging (MRI) are important medical imaging methods in modern radiology. Our research is focused on imaging brain structures in neurology. In this paper we present differences of digital image analysis of the substantia nigra (SN) between US and MRI using the same algorithm. In the past, we developed an application for analyzing substantia nigra echogenicity in BMODE US images. Our developed application is based on a principle of binary thresholding in Region of In...

In the last years, composite materials are increasingly used in automotive, aeronautic, aerospace, construction applications. Composite materials have been used in aerospace in applications such as engine blades, brackets, interiors, nacelles, propellers/rotors, single aisle wings, wide body wings. The fields of use of composite materials have multiplied with the improvement of material properties, such as stability and adaptation to the environment, mechanical tests, wear resistance, moisture resistance, etc. The...

Although the volumes of fiber reinforced polymer composites (FRPs) used for aircraft applications is a relatively small percentage of total use, the materials often find their most sophisticated applications in this industry. In aerospace the performance criteria placed upon materials can be far greater than in other areas - key aspects are lightweight, high-strength, high-stiffness and good fatigue resistance. Composites were first used by the military before the technology was applied to commercial planes. Nowad...

Various secondary metabolites isolated from Ophiocordyceps sinensis, the Chinese caterpillar fungus, have been reported to possess high therapeutic potential. Paecilomyces hepiali has even more biologically important chemical components with interesting pharmacological activity. Traditional Chinese medicine uses Ophiocordyceps sinensis to treat lung and respiratory system problems, hyposexuality, hypolipidemia kidney, or liver, heart, and immune system conditions. In addition, it has been used to treat various for...

Requirements relating to the quality of the flue gases produced have become more and more stringent in recent years. This is why the electricity producers, especially those using coal-fired units, have been forced to introduce additional environmental technologies. However, most of the coal-fired power plants and waste incineration plants in the Czech and Slovak Republics are following the same path, in particular for economic reasons. They are introducing the selective non-catalytic reduction of nitrogen oxides (...

The construction sector generates more than a quarter of all carbon dioxide emissions, which contributes to the deterioration of the environmental situation in the world. This article describes one of the ways to reduce carbon dioxide emissions from construction by changing the type of concrete components. In this research, a comparison analysis of various criteria of Portland cement and Ground granulated blast-furnace slag (GGBS) was carried out. The main method for solving the problem of this study is the Multic...

A thematic map contains a spatial database that allows the user to add new information to that database. The ability to combine a variety of datasets in a variety of ways makes any GIS a useful tool for almost any field of knowledge. From routinely performing work-related tasks to scientifically exploring the complexity of our world, GIS offers people the geographic advantage of becoming more productive, more aware, and more receptive to the planet Earth. A GIS can be defined as a system designed to capture, store...

The presented paper represents a comprehensive analysis of hydrous ferric oxides (HFOs) precipitated from Fe rich drainage waters contaminated by arsenic and antimony. Ochre samples from three abandoned Sb deposits were collected in three different seasons and were characterized from the mineralogical, geochemical, and microbiological point of view. They were formed mainly by poorly crystallized 2-line ferrihydrite, with the content of arsenic in samples ranging from 0.7 wt.% to 13 wt.% and content of antimony ran...

The European Union and its Member States have set themselves to achieve climate neutrality across the EU by 2050. The agricultural sector is one of the emitters of greenhouse gases (GHG). To achieve its climate neutrality goals of reducing the increase in global temperature to below 2-C and limiting it to 1.5-C, the EU has adopted the Green Deal and the Farm to Fork Strategy based on it. These goals create the need for the development and implementation of innovations. The agricultural sector will experience sever...

Fish oils with a high content of polyunsaturated fatty acids (PUFAs) are gaining increasing interest in the food and nutraceutical industry, due to their important functional properties for human beings- health improvement. The most important PUFAs have at least two double bonds placed on the carbon chain. These include ?-linolenic acid (ALA), eicosapentaenoic acid (EPA) and docosahaxaneoic acid (DHA). Microencapsulation is a technique used to protect the bioactive compounds from oxidative damage, to ensure their ...

The production of oil and gas includes drilling a number of wells for exploration or production activities. During drilling operations, large volumes of drilling fluids are used to facilitate the process. In Libya, after completion of drilling operations drill cuttings and waste drilling fluids are typically discharged close to the oil fields without treatment. This can result in negative ecological impacts on the surrounding environment e.g. through infiltration of toxic constituents into soils and underground wa...

The aim of this study is to determine the prospects of the region for the identification of new objects. For this purpose, it was necessary to solve the tasks of analyzing and summarizing all available geological data on the Torgai trough and based on this, to make forecast maps and determine the prospects for identifying deposits. Analysis of extensive factual data and outcomes of the sedimentary cover minerals was followed by interpretation of sections at the basic outcrops and wells. All this work resulted in c...