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Declared knowledge about climate change and related meteorological anomalies have a direct or indirect influence on the current evolution of relief, soils, hydrological regime, vegetation, and from animals to ecosystems. Changes are occurring in the conditions of the high mountain landscape, which we understand as part of natural evolution, but it is evident that their genesis has both global and local causes. The valley systems of the northeastern part of the High Tatras exhibit several processes that indicate ch...

The Valea Jiului coal basin is the largest mining basin in Romania and includes from east to west the mining fields: Lonea, Lonea-Pilier, Petrila-Sud, Petrila, Livezeni, Salatruc, Dalja, Iscroni, Aninoasa, Vulcan, Paroseni, Lupeni , Lupeni-Sud, Barbateni, Uricani, Valea de Brazi and Campu lui Neag. The first opening works in the Lonea perimeter began with the excavation of the Rascoala gallery, in 1870, a gallery supported by brickwork. Also in the same period, the up-to-date exploitation of the outcrops from the ...

Infrastructure projects can be the source of multiple environmental impacts, such as roadkill, habitat loss, and habitat fragmentation. Specialty studies have shown that almost 194 million birds and 29 million mammals may be killed each year on European roads. In our country, the dense network of national roads often causes roadkill events, with the following possible impact forms: reduction of wildlife species populations, damage to population fitness, changes in the spatial distribution and migration routes. At ...

The Research Institute for Brown Coal j. s. c. (VUHU) has been involved in the research project of the EU Research Fund of Coal and Steel - The impact of extreme weather events on mining operations for four years. The project is focused on assessing the impact of climate change on mining activities in major European coal basins. Other participants are scientific teams from Poland, Great Britain, Spain, Germany and Greece. This is the last year of the project solving, so this paper summarizes the results of the sol...

Wildfires are a problem all over the world. Plant and animal life are under threat of destruction. But this issue is especially relevant for Ukraine, where fires appear en masse throughout the country not only from weather factors but also from enemy shelling by the Russian army. In addition, there is the uncontrolled spread of fire to large areas of Ukraine due to limited access to emergency services. Because of hostilities, landmines, and the occupation of Ukrainian territory, Ukrainian rescuers and foresters ar...

The aim of the presented work was to develop and evaluate the novel thermal insulation plaster intended for repair and renovation application. The thermal parameters of the reference lime plaster were enhanced with the substitution of 50 vol. % of silica sand with expanded perlite. The hardened plasters were characterized by their specific density, bulk density, total open porosity, compressive strength, flexural strength, and dynamic modulus of elasticity. The thermal conductivity and the volumetric heat capacity...

In the past decades, the necessity for detailed earthquake microzonation studies was recognized for Bucharest city first because significant damage occurred here during the last major earthquakes, as well as for other densely populated cities in Romania exposed to major seismic risk due to the intermediate-depth earthquakes occurring in Vrancea zone and local site effects. Numerous studies established different approaches incorporating non-linearity analyses, which generally did not consider groundwater level chan...

Growing greenhouse gas emissions are a primary cause of global warming and climate change, with transportation accounting for the largest proportion. Many countries have started to develop strategies to promote the development of sustainable transport technologies. In terms of fossil fuel independence and reducing carbon emissions, electric vehicles (EVs) are a highly developed and efficient solution with growing popularity. This study looks at the major socio-economic and perception-related obstacles to the much ...

The primary purpose of environmental policy is a framework, guidance for decisionmaking and actions that lead to a better quality of the environment as a whole and its components. It is also adopted to use the principles of sustainable development, to increase economic efficiency and important social social programs and activities. The aim of this article is to provide basic research information on the causes of the emergence and development of environmental policy in the current period of circular economy. The is...

The data from three solar thermal collector systems installed in dormitories of the University of Latvia in Riga are analysed in detail to obtain parameters that characterise the operation of such systems in real operation conditions in Riga, Latvia. All the systems were installed in 2019-2020 and the data for one full year is available for the study. The area and the power output for the observed solar thermal collectors are similar-63 m2 with 51 kW for each. The differences exist only in the orientation of the c...

One of the largest producers of GHG emissions in agriculture is the dairy and meat livestock sector. Grassland is the main feed base for dairy and meat cattle. Managed grasslands can become a major contributor to and leverage of GHG gas exchange. High quality information with studies on the flow of the three main GHG gases and concentration linked to different management strategies is important for the development of good management practices, as well as for the development of climateresilient landscapes and the r...

The main purpose of the research carried out through 2016-2021, on a chernozem type soil, with remarkable fertility characteristics, located in the lower Plain of Banat, finds its origin in the current scientific discussions and practical preoccupations, which are more and more intense, as it is imperative find and developed an integrated management, which is agronomically efficient, in the current context of global climate change. These represent a major challenge for the agricultural sector, in order to ensure w...

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...

The purpose of the paper is to perform a topographic lifting and traction of an architectural project for the execution of a Tyrolean that is arranged on various relief forms, in a hilly area, halfway between Timisoara and Lugoj, Timis County, Romania. The development of an adventure park in an area so close to urban settlements has a great impact on the public of all age categories. Children are the main beneficiaries of such objectives because they test their minds and, at the same time, implement an active and ...

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 (...

Among the existing methods of processing waste from coal-fired thermal power plants, little attention is paid to the problem of ash disposal with variable composition. During the combustion of coals, various chemical reactions occur as part of their mineral part, resulting in the formation of a new technogenic raw material that differs from natural raw materials in chemical and phase composition and has other technological properties. Using the example of a coal-fired power plant burning coals from six different d...

The main objective of this study is to analyse the main pedogenesis factors that have contributed to the formation of soils in Seca?, Timi? County, Romania, using modern methods. The pedological data found in the study are represented by the transformation of analogue maps into digital maps using the GIS method. To begin with, the study area, geomorphology, geology, hydrology and hydrography of the locality, climate and vegetation conditions, decisive factors in the formation of soils in the study area were delimi...

In recent years, virtual reality developers have managed to create an artificial environment that can simulate reality so that the user has the impression of an almost real physical presence in the virtual world. By overlapping and synchronizing projected images with spatial sounds and even with forces that interact with the user, the user is detached from the real environment and an all-encompassing involvement in the virtual world occurs. Virtual reality is frequently present in aviation, medicine, military trai...

The concept of sustainable development involves economic development, social development, ecological development, political development, human development, spiritual and cultural development. All these elements pursue three fundamental objectives: smart growth - developing a knowledge and innovation-based economy, sustainable growth - promoting a more competitive and greener economy, in which resources are used more efficiently and inclusive growth - encouraging or high employment of the workforce, to ensure socia...

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...

Accidental explosions and fires caused by combustible dusts dust are some of the most significant threats in many industries where layers of combustible dusts and clouds are formed as a result of technological processes. When there is a possibility of a combustible dust to occur during the process, as a residue or byproduct, safety measures need to be taken in order to protect the installations and personnel. In the process of manufacturing the aluminum packaging a combustible dust residue is formed. In the presen...

The groundwater flow problems are often solved using numerical models. The numerical models based of known fundamental solution, known as Trefftz methods, represents one of the efficient approaches used to solve potential flow phenomena described by the Laplace differential equation. The Trefftz-like methods, such as the boundary element method (BEM), represent a very efficient approach to solving groundwater flow problems. However, the implementation of BEM is cumbersome because of the fundamental solution singul...

The intensive development of remote sensing in the marine environment provides excellent bathymetric and substrate mapping opportunities on the southern Bulgarian Black Sea coast. The Bay of Chernomorets is a perfect opportunity to combine data from single-beam sonar, multi-beam sounding and drone imaging for the purpose of seabedforms and substrate mapping. This paper presents the second stages activity of the Project -Multidisciplinary study of Burgas Bay - MidBay. (Composition of a detailed digital model of the...

The energy crisis triggered globally in the last quarter of 2021, forced Romania to go through a winter with liberalized electricity and gas prices, a period unprecedented in terms of consumer prices, accentuated by the result of closing energy targets that coalfired operations as a result of the imposition of EU conditions for the restructuring of the mining and energy sector. The year before, 2020, the COVID-19 pandemic, with restrictions imposed, produced a decrease in electricity demand, a decline in coal-fire...

The transition to mining benches with transverse panels from top to bottom within the boundaries of steeply inclined layers does not allow transforming the results of mininggeometric analysis sequentially for each individual stage of mining into a calendar schedule of mining operations. Therefore, a model is offered for converting the results of mining-geometric analysis into a calendar schedule of mining operations with sequential mining of benches from top to bottom using phased volumes of overburden rocks and o...

The link between precipitation, drought indices, and NDVI is discussed in this paper. The data were processed on the example of the extreme eastern region of GeorgiaKakheti for the period 2016-2020. The study area has landscapes of natural (mixed and deciduous forests) and agriculture (vineyards, orchards, cereals, and vegetables). The NDVI was generated using Sentinel 2 images with a 10 m pixel resolution, and the average monthly NDVI was derived using Arc map 10.8. Drought indices (SPI and SPEI) were calculated ...

The mobile environmental laboratory was located in a fuel distribution station located on a heavy traffic national road in Petro?ani City, Hunedoara County (Romania) to investigate dust and gas pollution, as well as dispersion of pollutants to nearby homes, using the AUSTAL VIEW software. Measurements were performed over a period of eight hours in two working days in order to better capture the movement of air masses and the dispersion of measured pollutants. In the event of accidental spills of chemicals or chemi...

The distinction between noise and sound is mainly based on the discomfort of the latter, the noise being perceived as a negative sensation, while sounds are generally perceived as being pleasant. Noise and noise pollution are practically identical terms. Noise pollution is the exposure of humans and / or animals to sounds whose frequencies and intensities are harmful, affecting the auditory system, inducing stress or other instant or long term effects on the physical and mental health. For too recently, it has bee...

SARS-CoV-2 researchers faced the problem of specificity for ACE-2 receptors. In mice and rats, ACE-2 has a low affinity for this virus. In contrast, the Syrian hamster (Mesocricetus auratus) when infected with SARS-CoV-2 show clinical signs of infection with this virus. Therefore, it is necessary to assess the severity of pathological lesions and immune response for relevance to preclinical new drugs against SARS-CoV-2. In this study, we studied blood counts, serum levels of Il-6, TNF-?, IFN-? and IFN-? and the hi...

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...

It is advisable to conduct mining operations in the conditions of the ultimate state of the opened massif with an increase in the pit wall slope angles below the limit of effective use of combined motor-conveyor transport in the cleaning-up zone of deep and ultradeep open pit mines to the final depth. Such a design of the pit walls is achieved when mining benches from top to bottom within the boundaries of steep-slope layers with the use of in-bench loaders in the cleaning-up zone. The conditions for the occurrenc...

According to ANSYS - developer of the Multiphysics platform for computer simulations - the FSI (Fluid-Structure Interaction) model can be used in all cases where a fluid encounters a solid structure, for example, wind gusts rotating a turbine, air washing the surface of a moving car etc. This method finds applications especially in the aeronautical and automotive industries, but also in medical research, such computer simulations track the influences of blood pressure and blood flow velocity in the veins. This pap...

Research Object and Relevance. Inclinometer measurements occupy an important place in geotechnical monitoring of hydraulic structures. Borehole inclinometers are used on tailings dams - they allow you to determine horizontal displacements, shifts, curvature of the casing pipe throughout its entire depth. An important part of the processing of initial data is the identification of various systematic errors. The authors of the article faced the problem of interpreting the displacements at the tailings dam of The Erd...

Large European airports have now been forced to close several times due to the disruption of their protected area by drones. The biggest incident in terms of damage and restrictions clearly includes the attack of 19 and 21 December 2018 on one of the largest airports in Europe, London - Gatwick. All air traffic was interrupted, and flights were canceled and postponed. It was only a matter of time before drone technology was used by terrorist organizations and other criminals for their attacks. The article discusse...

Wastewater treatment and desalination are considered important solutions to meet the water scarcity in Jordan. The irrigation with reclaimed wastewater, that usually has elevated salinity levels, may adversely change soil structure, stability, and hydraulic properties. Water traditional desalination techniques require huge energy and capital investments. Zeolites in normal and nano scales enhance the desalination process performance and reduce its economic and energy requirements. In this study, batch experiments ...

Ammonium nitrate used as fertilizer is classified, according to Orangebook, as a hazardous substance in Class 5 Division 1 (5.1), oxidizing substances. Although, under fire conditions, ammonium nitrate burns in certain situations, the transition from combustion to detonation can occur. Such accidents have occurred in several countries, with significant quantities, including in Romania. Such catastrophic scenarios can occur in the case of nitrogen-based chemical fertilizers, in which case the manufacturing recipe (...

Climate change is a global problem with serious social, economic and distributional effects on the environment. It is one of the main current challenges for humanity. Changing climate conditions in the long term, as well as short-term fluctuations and non-standard variation of temperature characteristics, have a significant impact on the behavior of pavement structure. Since the end of the 19th century, average temperatures have risen to 0.6 -C. The article describes the results of measurements and evaluations of ...

The properties of the basic materials of conveyor belts and adhesion between these materials affect the proper functionality and service life of conveyor belts. Their reliability depends on the adhesive force between their structural components. The purpose of this paper was to investigate into the quality of adhesion of the rubber cover layers to the carcass, and of the adhesion between the adjacent textile plies in a rubbertextile conveyor belt. The experiments were aimed at measuring the adhesive force using th...

The Green Deal declares that climate change and environmental degradation means a threat to Europe and the whole world. In order to be able to respond effectively to the challenges in this context in the European Union, we need a new growth strategy that will transform the EU economy into a modern, resource-efficient and the economic growth is independent for the resource utilization economic. This research is a very timely issue in the livestock farming sector, because the livestock farming sector has a highest e...

Reducing the use of paper is, first and foremost, an essential factor for environmental economics and sustainability. Digital transformation is also one of the tools supporting the environmental economy, improving business efficiency and reducing costs in the following ways: reducing errors and processing times and increasing security and confidentiality. In the document on Digital Transformation Guidelines 2021-2027 (Cabinet of Ministers Order No 490 of 7 July 2021 on Digital Transformation Guidelines 2021-2027. ...

Surfactants produced by microorganisms, known as biosurfactants, have recently found wide application in the industry, from cosmetology to oil processing. Biosurfactants are more tolerant to extreme environmental conditions and less hazardous for the environment as compared with their chemical analogues. Despite on the fact that many biosurfactant producers have been recently isolated and described, the challenge to explore new producers still remains very urgent. In the present study, the isolates obtained from r...

This paper covers the activities of creating a database for the study of modern crustal movements in the region of Sofia and Southwestern Bulgaria, including data from GNSS measurements of the geodynamic network and the results of their processing and analysis, data from permanent stations and archive data from Synthetic-aperture radar, processing and obtaining interferometric images. The local archive of GNSS measurement includes: manual sketches of the location of the points; log sheets of the measurement with i...

Organic soil management and related climate and agriculture policy planning is emerging issue globally, at European Union (EU) level and nationally, especially for organic soil rich countries like Latvia and in a light of movement towards climate neutrality by 2050. Relatively small proportion of these soils by area significantly impact greenhouse gas (GHG) emission balance of many European countries including Latvia where organic soil management related GHG emissions make up to one third of GHG emissions associat...

The need for secure and reliable applications will increase due to the growing necessity for sustainably and independently produced energy. For example, the amount of energy generated by individuals at their homes will probably grow fast in the near future so requiring for easy-to-use and precise solutions. To transform and facilitate the processes related to energy sector it is possible to use blockchain technology. The aim of this paper is to evaluate and analyse different areas of blockchain application in the ...

In order for life to arise and exist on earth, a number of important processes take place in it, based on various elements. One of these elements is nitrogen (N). Nitrogen is the most common element in the atmosphere approximately 78% of the atmosphere consists of nitrogen gas (N2), but in this way, the majority of the living organisms cannot absorb nitrogen. Nitrogen fixation occurs during the nitrogen cycle and results in a number of complex organic compounds required for living organisms. During the nitrogen li...

Economic growth in Europe is causing environmental problems thus highlighting the need to minimize waste. Sustainable Development Goal 12 -Sustainable Production and Consumption- focuses on three aspects: waste management, energy saving and resource usage minimization. The aim of this study is to analyse the current needs for professional food waste management knowledge in European food production companies and develop waste minimization skills for food sector-s vocational education students. The study is based on...

Nitrogen pollution contributes to climate change, acid rain and eutrophication. The present study evaluates the degree of nitrogen contamination of air, surface and ground waters in Bulgaria with reference to the 2021 EU Action Plan 'Towards Zero Pollution for Air, Water and Soil' as well as the relevant international and national regulations in the field. The analysis uses data from the Bulgarian Ministry of Environment and Water, Ministry of Agriculture, the European Emission Database for Global Atmospheric Rese...

Current challenges in the building industry are related mostly to the preservation of virgin/natural materials, decreasing the environmental footprint, and increasing the reuse rate of disposed materials. This paper reflects current trends in the use of secondary raw materials of various industrial processes as sources for the production of alternative materials, for example, alkali-activated materials (AAM). Specifically, the paper deals with the description of the basic physical and mechanical properties of fine...

In this article, the authors analyzed the importance of recycling and reusing components in hydraulic drive equipment in line with the principles of the circular economy. The circular economy is also based on the principle of 3R, Reduction, Reuse, Recycling and attempts are being made to implement this principle in all areas, in order to protect existing resources, which are limited. Unlike the economy of consumer goods where in time was used the principle of linear economy, where after manufacture and consumption...

Biotope or habitat preferences are important species characteristics that can be used for understanding their ecology, as well as their conservation, and even as a tool for crime investigations for detection of post-mortem body manipulation. However, the characterization of species- habitat preferences can be difficult. There are several limiting factors like lack of quantitative data and reliance on anecdotal evidence for this trait. Further, we must consider the reaction to the border between two neighboring hab...