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Upstream hydrocarbon exploration and production remains an important economic sector providing the necessary raw materials for several areas of Russian economy. To enhance the resource efficiency and environmental performance of the sector, researchers and practitioners develop approaches based on Best Available Techniques (BATs). In Russia, the BAT concept has been rapidly developing since 2014. Unlike in the European Union, in Russia, upstream hydrocarbon exploration and production sector is regulated by IPPC-li...

In the investigation of gas explosion events resulting from combustible gas leakage, often the formation of the explosive atmosphere at the location of the ignition source is less highlighted, usually being calculated the concentration of combustible gases at the entire volume affected by the explosion; depending on the distance between the gas source and the ignition, the complexity of the geometry (volumes occupied by various solid bodies) and the air currents in that volume (convective currents generated by hea...

The immobilization of glucose oxidase (GOx, enzyme of oxidoreductases class) was carried out on non-magnetic (SiO2, Al2O3) and magnetic mesoporous oxides (Fe3O4-SiO2, Fe3O4-Al2O3). Magnetic supports were synthesized by in-situ crystallization of magnetite nanoparticles in mesopores. The surface of the support was preliminarily modified with amino groups and the glutaraldehyde was used as a linker for covalent binding of the enzyme. The supports and biocatalysts were fully characterized using a combination of physi...

At present, surface runoff represents serious environmental problems in the urban environment, causing adverse effects on socio-economic and natural systems. Surface runoff is a complex source. The creation of surface runoff is described by various hydraulic hydrological processes, from the impact of water on the surface to the mouth into the sewer network or recipient. The formation of the precipitation-runoff process depends on several factors. Land-use change is a key factor that significantly affects the quali...

In this study SURFEX land surface model is used coupled to RAPID river routing model in order to investigate the influence of alternative ground and rooting depth, soil texture and land cover maps on the ability of the coupled system to adequately simulate the river flow in Upper Arda River basin in Bulgaria. This was done by comparing the statistical scores of computed from the model data series against measured streamflow discharge series: that is scores of simulations using former soil texture maps from Harmoni...

Due to land use practices, there is a change in the environmental landscape in Haridwardistrict which has a great impact on its weather which in further also impacts vegetation.Vegetation Indices are considered as indicator for temporal variation of vegetation sofor better consideration of this dynamics, relation between vegetation and climateshould be studied more extensively. This study evaluates the annual dynamics undervegetation cover and its impact on climatic factor. It is carried out by establishing therel...

The article analyzes the effect of the radioactivity of some crude oil components on the environment in the Moine?ti geological area. The analysis of the equivalent dose flow measurements shows the influence of contaminated equipment, in the areas adjacent to them, where when measuring the soil were obtained values of dose flow between 0.2 - 3.0 ?Sv/h, both at a height of 10 cm from of soil, as well as at a height of 100 cm from the ground, with a maximum of 3.5 ?Sv/h. By interpreting the results of the determinat...

The formation of a groundwater aquifer in a unique territory disturbed by the quarrying of a phosphorite deposit in the southwest of the Leningrad region, built up with industrial facilities for ore processing, auxiliary production, and waste storage is considered. During the quarrying of the phosphorite layer, the hydrogeological section was disturbed, the filtration and capacitive properties of the soils of the aeration zone and water-bearing rocks changed. In the zone of active quarries, during dewatering, the ...

The paper deals with numerical analysis of the stability of an embankment reinforced using a geogrid. The analysis is mainly focused on the impact of the Rinter parameter, which represents the ratio of the soil-geogrid interface shear strength to the shear strength of the soil, on the deformations, and the global stability of the embankment. The properties of the soil-geogrid interface were measured using a modified large size direct shear test apparatus. The biaxial geogrid made of polypropylene with a tensile st...

Regions with scarce freshwater resources, such as North Africa and the Middle East, face significant challenges today and will face even greater challenges in the future as a result of socioeconomic and climatic changes. The Missour Oases in Morocco is one of many arid Moroccan Ocases grappling with increasing water scarcity, which threatens self-sufficiency in agriculture. Efficient water management is required to sustain people's livelihoods. The main aim of this study is to assess the impact of human activities...

COVID-19 has imposed shocks on all segments of food supply chains, simultaneously affecting farm production, food processing, transport and logistics and final demand. It is therefore important to assess the risks, the probability of their occurrence and their impacts in order to develop risk mitigation recommendations. In Latvia, poultry farming as an agricultural industry has centuries-old traditions. Poultry in Latvia are produced both on large poultry farms and on small and backyard farms. There are 21 large a...

The purpose of the paper is to implement a method which can synthesize effective data insertion procedures for structure-independent databases based on the Tentzer model. This is a universal database model, which is based on static reference relational tables, linked in a certain way at the physical data level and the logical structure is a meta structure over it. This method makes it possible to synthesize data insertion procedures for such databases, and as result two types of inhomogeneities will be eliminated ...

Putna-Vrancea Natural Park covers an area of about 30204 ha, being declared Natural Park in 2004, by the Romanian Government Decision no. 2151/2004. Putna-Vrancea Natural Park is located in the Curvature Carpathians and includes one of the wildest mountain areas in Romania, shelters many species of flora and fauna of national and international importance such as: Canis lupus, Ursus arctos, Lynx lynx, Rupicapra rupicapra, Cypripedium calceolus, Taxus baccata, Leontopodium alpinum. etc. The present study highlights ...

Magnesia based cement is known for over 150 years. Compared to Portland cement (PC), magnesium potassium cement (MPC) is more environmentally friendly material, because of its high carbonation capability and a lower environmental impact on the overall ecosystem quality and resources than PC. Fast setting connected with high early strength leads to the satisfying parameters achieved after a few hours. Therefore, MPC finds use as the concrete repair material for buildings, roads or concreting runways, etc. In the pr...

Greenhouse heating during cold seasons is costly as it is high energy consuming. The use of latent heat stored during sunny periods for greenhouse heating could be an interesting alternative in several regions worldwide as in Tunisia. Thus, new agronomic/climatic approaches were developed to produce several crops such as tomato in a sustainable way. In this context, maturity and yield of tomatoes cultivated inside a greenhouse equipped with a new solar air collector with latent storage (IGHLS) were studied in comp...

Arkhangelsk Oblast is a region of The Russian Federation with the most developed forest industry. Here, it used advanced timber harvesting and sawmilling technologies. Arkhangelsk Oblast has a large territory. The area of the region is 330103 km2. The population density is low and amounts approx. 1.91 people per square kilometer. At the same time, about 80% is the urban population. The remaining 20% of the population lives in areas remote from the regional center. Due to a number of circumstances, the infrastructu...

The minerals industry is facing a changing talent landscape. With digitalization and a transition towards a decarbonized economy, a mining industry necessitating new skillsets and with technology cycles that are getting shorter and shorter, the new panorama is transmitting pressure in the need of trained workforce, and mining companies need to ensure that their boards and staffs are properly constituted to support the transformations that the sector is currently undergoing, including fluency in such areas as techn...

Detection of nickel ions in various foods, especially fruits, is very important for the prophylaxis of patients with allergic contact dermatitis to this heavy metal. Currently, there are a limited number of rapid methods for identifying nickel ions, so it is necessary to develop new biosensors in this area, by improving selectivity of ligands and utilization of immobilization elements suitable for nickel ions. The mentioned elements are very important because they can increase the selectivity, sensitivity and can ...

The purpose of this report is to encompass and analyze the advantages of the creation, the implementation and transformation of software product in the production and processing of products. Several main conclusions have been made in the scientific report, with the general conclusion being that based on the computer program developed and implemented in practice, an easier method of work is ensured, while considering the specific pre-production and production processes, as well as processing operations in productio...

To reveal the effect of coal mining on the content of trace elements in the environment and human bio-substrates in the Republic of Sakha (Yakutia). The representative sample consisted of 90 children, aged 7 to 17, who have been permanently residing in the coal mining region since their birth. The study of the content of 11 microelements in human hair was done by mass spectrometry. Of the huge variety of the mineral resource base of Neryungri, only deposits of coal, gold, underground and mineral waters are now inv...

Flow of water and thus access of oxygen to the roots of the trees is ensured by drainage system. Therefore these system had been established, mostly since 1960th and 70th in a third of the forest area of Latvia. It has boosted the overall increment of forests substantially. However, around the same time, also beavers had been reintroduced in territory of our country. Water flow is often stopped by beaver dams. The aim of our case study was to assess the impact of dam removal and ditch reconstruction on the increme...

The emission of fluorine compounds by industrial plants that process phosphorites and apatites and the spread of their wastes become one of the main sources of formation of a persistent technogenic anomaly nearby Taraz (Zhambyl) town in Kazakhstan. Ecological-geochemical monitoring of the content of this element in the environmental objects is an essential measure because of the severity of consequences caused by hyperfluorosis. The study aimed to evaluate the levels of fluorine in the water, soil, and plants. Loc...

Within twelve months, comprehensive studies were conducted on the effect of full-scale climatic tests on the properties of 30HGSA steel’s samples were carried out with full immersion in water at the mouth of the Don River (the basin of the Sea of Azov) at two stations (Station 1 & Station 2). The water area where the experiment was carried out is characterized by a complex combination of fresh, slightly saline and brackish waters, which affects the structure of communities of aquatic organisms. The article shows t...

One of the tasks defined in the basic principles of sustainable building construction is to ensure a quality indoor environment and the health and wellbeing of the building’s users. Especially in the current epidemiological period, people spend more than 90% of their time indoors. In almost every indoor environment (IE), there is a certain number of ornamental houseplants. In most cases, these are ornamental plants with leaves or flowers. These plants give us aesthetic impressions and improve the well-being of bui...

The development of transport requires new transport routes. When designing and implementing them, we cannot avoid the construction of tunnels in our mountainous country. One part of the static design of the tunnel is the assessment of the structure on fire. The fire of cars in road tunnels can be modeled more and more accurately thanks to improving numerical models (CFD simulations, Fire Dynamics Simulator FDS [1]) as well as an extreme increase in computer performance. The results of these investigations are appl...

Nowadays, in the literature we come across the notion that selected physico-chemical parameters have an influence on diesel engine operation and are included in the European standard PN- 590. Fuels meeting the standard for diesel engine are complex substances, which do not consist of simple hydrocarbons, but very complex, extended aromatic hydrocarbons. This paper presents proposals for the use of simple chemical compounds such as alcohols as diesel engine fuels. It has been demonstrated that selected alcohols can...

In 2015-2020 the content of heavy metals and metalloids in the river bottom sediments in Kaliningrad region was studied. Definition of arsenic, lead, zinc, copper, and vanadium, iron, manganese, titanium, aluminum was carried out in water samples and in the samples of bottom and floodplain sediments in the watercourses, flowing into the Curonian Lagoon, in the Baltic Sea and in Kaliningradsky (Vistula) Lagoon, as well as in the watercourses of the southern part of the Kaliningrad region. The composition and patter...

In this paper, the authors conducted information analysis of activities of Nobel brothers in the Tambov Region of Russia in order to discover and reconstruct associated memorable places. An important aspect of analysis is identification and detailing of objects suitable for virtual modeling and applying 3D modeling technologies for cultural heritage objects using an open source software platform OpenSimulator. It can be argued that in modern cultural environment there are favorable conditions for the use of virtua...

One of the most important modern problems of society in terms of transformation is human 's health. A new interdisciplinary scientific direction-bioecomedicine is substantiated The theoretical and methodological basis of the work was the integrated use of scientific principles and a systematic approach, which led to the choice of research methods: general scientific, interdisciplinary. The contemporary definition was formulated and construction of information-structural model of bioecomedicine was characterized. T...

Historical ore exploitations generated mining waste with useful metal content, near Baia Mare, Romania. Central Flotation Pond (CFP) represents a secondary resource, but also a risk factor of pollution for the environment: groundwater, surface water, soil, air. CFP was inventoried by the Permanent Secretariat of the International Commission for the Protection of Danube River (ICPDR) as high risks spot in Romania with immediate effects on Somes-Tisa sub-basin, due to the content of dangerous substances: cyanide, he...

One of the main commitments of Bulgaria to the population and business is to improve the water sector of the country in order to reach European standards. For this purpose, a financial analysis is applied, describing in detail the financial projections (operating revenues and costs, applicable tariffs for water supply and sewerage services), as well as the conclusions related to the application of the following indicators: water supply and demand, need for co-financing, financial indicators. profitability, social ...

The number of standards that are included in the individual management systems standards (MSSs) is gradually rising. Standards are significantly related by common and specific requirements, both, for manufacturers and service providers. A special area of service provision is the drinking water supply. This paper aims to introduce a simplified application process of integrated management systems (IMSs) through visual management. The two standards used in a model, which is defined as a complex duplet, are Quality Ma...

The field of Earth Sciences has always been at the border between fundamental and applied research. If the fundamental part remains the complexity and unpredictability of research on Earth and natural phenomena, development and applied innovation are anchored in society and give a norm of the impact of research for society. The SETTING project aims to coordinate a distributed infrastructure that owns and can provide data, products and services (DPS) relevant to the field of Earth Sciences, to a wide and diverse co...

The paper considers the methodology and algorithms for integrating geotechnical control methods in assessing the stability of natural and technical objects. In the process of creating data processing algorithms for control systems of natural and technical objects, it is necessary to be based on the purpose and system methodology of the control itself. The purpose of the control is to assess the current state of the object based on the measured geotechnical data and to forecast the development of possible destructi...

Today, a large number of investors base their forecasts, and subsequently make investment decisions, by combining financial and non-financial information. If, until recently, financial data and indicators calculated on their bases were not sufficient for justifying investment decisions, nowadays the situation is rather different. Non-financial information, as a totality of data about environmental, managerial, and social productivity, has a key significance in the assessment of investment projects. The role of thi...

Today, elimination of active pharmaceutical ingredients from environmental waters and wastewaters is becoming an increasingly topical issue. This paper describes a flow-though technology for wastewater treatment, with tetracycline used as an example of a contaminant. A standard scheme for wastewater treatment to eliminate the mentioned compound consisted in advanced oxygen processes based on ozone treatment, fenton process, sonochemical reactions and UV treatment. Currently, photocatalysis is considered the most p...

The fact of interaction of calcium silicate with the key elements present in the spent nuclear fuel is established. Nanopowders of synthetic calcium silicate with a given particle size 10, 2 and 0.6 microns were obtained. It was found experimentally that a decrease in the particle size of the calcium silicate powder contributes to an increase in its sorption properties (distribution coefficients and static exchange capacity). If for uranium static exchange capacity in the considered range of powder particle sizes ...

An important practical task in the study of any measuring devices and systems is to assess their sensitivity. Such systems include, in particular, hardware and software systems for geodynamic monitoring of geological environments for leaks of petroleum products (from areal storage and processing facilities), implemented on the basis of the phase-based method of geoelectric control. The idea of this method is based on the fact that various petroleum products have their own unique electrical characteristics, contras...

In this paper is presented a study conducted to verify the possibility of using a prototype of fluid energy mill, based on the opposing jets principle, for the reduction to ultrafine size of a beneficiated coal, intended for energy production. The original counterflow jet mill used operate in closed circuit with a cyclone type separating chamber, producing fine powders with a definite top size. Many processing plants routinely use jet mills in the final stages of mineral treatment for the production of high qualit...

Georgia is a classical karst country, where a variety of surface and underground karst forms are represented. The main aim of this work is to present karst and pseudokarst features in Georgia, which occupy 17.9% or 12,454 km2 of the entire territory of Georgia. All layers of the Upper Jurassic, as well as the Cretaceous and Lower Paleogene systems are being karstified in Georgia About 10.2% (7120 km2) of the country is occupied by karst (carbonate rocks). Limestones are represented by Upper Jurassic, Cretaceous an...

The most important result of the effect of interparticle interactions of ferromagnetic particles in suspensions is the formation of aggregates and modification of their physical properties, which allows changing the kinetics of separation processes. The interest of the authors to this problem is dictated by both its theoretical content and purely applied aspects within mineral processing. Based on the block-structural approach to technological equipment modeling within the framework of the ideal mixing model, a ma...

The coastal area is the field of continuous interaction of marine hydrodynamic factors with those that act on the land. Since the prehistory, human communities have settled in this area, having access to both marine and land resources, drinking water being the most important. The Black Sea level is the drainage base level to which the surface waters of its hydrographic basin flow, but it also influences the groundwater dynamics. Southern Dobrogea is a typical geologic platform unit, divided in several tectonic blo...

We proposed an approach to detected land cover change based on the false color composite of the combination of bare soil index and building index (NDBSI) derivatives. NDBSI is an index that can distinguish building and vegetation well. In this paper, we first obtained a false color composite, named RGB-NDBSI, based on the NDBSI image of previous phase, NDBSI image of latter phase and NDBSI different image between the two phases. Based on the data generated, we identified the land cover change by BP neural network ...

The present research (landscape, landscape-historical and landscape-ecological) was carried out to determine the landscape-ecological potential of Moscow for the purpose of territorial planning and with a view to developing proposals for the balanced and effective urban development, for ensuring the comfort of living for the city’s population, and protection of the environment and objects of cultural heritage. The research included: a detailed analysis of the natural, cultural and historical features, an assessmen...

The story of the evolving development of urban-landscape theory, planning, and design is like the evolving perceptions and advancing knowledge in mathematics, anthropology, geography, and ecology. In the mid-90s, the theory of landscape urbanism appeared in the West, according to which the structure of cities is determined by landscape factors more than architecture. Landscape urbanism describes "the ability to produce urban planning effects traditionally achieved through the construction of buildings, simply thro...

In this paper we present the frequency ratio method, a commonly used technique for designing a landslide risk map for the Muscel catchment area, based on the quantitative association between the landslides inventory and their causative factors. The river basin of the Muscel stream is located on the right bank of the Dambovita river, in the north of the region with the same name and due to geological and geomorphological conditions, but also due to anthropogenic activity, it was and still is affected by landslides....

Stock market development is crucial to any economy, as a funding alternative to bank lending, as well as the value added to the overall economy. One of the measurements to evaluate economic advancement is stock market capitalization (mcap) to gross domestic product (GDP), in this indicator Latvia is in one of the last places in the European Union (EU). Therefore, the main goal is to assess the landscape and Latvia’s potential to reach neighboring countries’ mcap to GDP level using existing registered companies, as...

The paper presents an LCA analysis of biomaterials with particular emphasis onpolylactic acid (PLA), as it is recognized as one of the most popular bioplastics on themarket. The results show that there are several factors to consider when selecting thebest decommissioning option for this type of material in line with the newly introducedcircular economy concept, which is the most desirable way to manage waste. A lifecycle assessment was carried out to assess the environmental impact of two wastemanagement pathways...

As a response for water losses in urban water supply networks, the pressure management has become now, one of the most effective method in order to reduce the leakage part of non-revenue water (NRW). The implementation of pressure management has as main objectives besides reducing leakage, reducing bursts frequency and extending the life of the infrastructure. Therefore, in order to improve the water distribution systems, this paper presents the advantages of pressure control and optimization for water distributio...

Soils of flat watersheds under shelterbelts and on adjacent arable lands on three areas with different climatic conditions were studied. The study area is a forest-steppe of the central part of the East European Plain (Belgorod oblast, Russia). In all areas chernozems with 60-80 cm dark-grey (reached by organic matter) part of profile (A1 + A1B), are developed. The parent materials are loess-like loams and clays. The width of all shelterbelts is 30 meters; they are oriented from south to north; the age of the shel...