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The purpose of this work is to determine and evaluate how the newly built areas, in the municipality of Iasi, in the period 2016-2021, are affected by the Urban Island. The Urban Heat Island (UHI) represents the phenomenon of higher atmospheric and surface temperatures occurring in urban area or metropolitan area than in the surrounding rural zones due to urbanization.The data acquisition stage involved extracting construction data from the unique integrated national system of cadastre and real estate advertising,...

The current research aims to apply cluster analysis using the software ArcGIS in the study of the food industry in Bulgaria for the period 2010 to 2020. The use of clustering methods is necessary to differentiate homogeneous groups of administrative-territorial units of NUTS 3 level on certain indicators to reveal several features and implement specific economic policies and measures for areas of a cluster and others. The grouping of the areas according to the considered indicators was done with the tool Grouping ...

Climate change and environmental degradation pose an existential threat to the EU and the world. The aim of the Green Agreement for Europe is to make Europe climate neutral by 2050, to support the economy through green technologies, to create a sustainable industry and transport and to reduce pollution. Turning climate and environmental challenges into opportunities will make the transformation fair and inclusive. The European Commission is helping EU Member States to design and implement reforms that support ecol...

Waste management is a public service, the provision of which is the responsibility of local authorities. The area of waste management is currently very strongly regulated in the national and European and at the same time monitored by the civil public with a strong context in public election processes. Expenditures on waste management make up a relatively substantial part of municipal expenditures not only in the Czech Republic but also in developed countries, which is why a number of economists are paying attentio...

The inclusion of greenery in spatial planning has an irreplaceable function. Not only do these areas fulfill an aesthetic function in otherwise monotonous areas of villages and towns, but they also significantly affect the quality of life of local citizens. These are primarily areas that provide a space for people to meet in a pleasant green environment and, thus, an opportunity to relax and recharge their batteries as a result of the positive effect of greenery on the human psyche. At the same time, green areas s...

In the last time there is an open dialog among scientists, economists, engineers, politicians, as well as city councils and municipalities, about future plans for urban development by considering green real estate for shaping sustainable cities. Applying the concept of sustainable development concretely means to develop and apply local strategies, not only in technology, and economy, but also in environmental and social fields, by considering sustainability requirements. In this regard it is obvious that mindset c...

The awareness and attitudes of stakeholders are crucial for the development of green roofs and green walls. The aim of this article is to analyze the awareness, opinions and attitude of respondents from Sofia, Bulgaria regarding green roofs and green walls, as well as the willingness to pay (WTP) for these types of green infrastructure. A direct consumer survey was conducted, containing 17 questions regarding sociodemographic characteristics of the respondents, awareness/opinions about green roofs and green walls ...

Higher education institutions play a central role in shaping labor skills and green culture essential in the future low-carbon economy. This paper examines the impact of green education policies in the higher education sector on the business cycle and compares them to standard incentives to encourage green production at the firm level. For our purpose, we set up a Dynamic Stochastic General Equilibrium model extended to account for the endogenous selection of green and traditional human capital and heterogeneous h...

Environmental friendliness, energy efficiency and sustainability are very important issues in all aspects of human lives. This is particularly true for shipping, including all its modes like long-distance, short-sea and inland shipping, where environmental regulations have become very strict in the last decade. On the one hand, fishing vessels are slightly out of these regulations, but on the other hand greening the fishing fleets is highly promoted by the European Union funding bodies as well as by the local auth...

At the Azgir nuclear test site in Western Kazakhstan 17 nuclear explosions were carried out at a depth of 165 to 1500 m, as well as ground explosions. Nine underground cavities with a total volume of about 1.2 million m3 with extremely high residual radioactivity were formed in the thickness of the rock salt layers. Five of the nine cavities are filled with groundwater and strontium, cesium and plutonium radionuclides are leaking into the environment, and radionuclides spread through food chains. A medical examina...

The study presents a developed instrumental and methodological complex designed to monitor changes in the state and development of dangerous processes in a natural and technogenic system, including the structural integrity of building structures and geodynamic processes in the soil rocks of their placement sites, including the activation of previously passive faults. The complex includes three orthogonal molecular-electronic linear displacement sensors and three orthogonal torsional vibration sensors which can sel...

The electrification process of the materials and technical equipment-s, especially the external parts of them, frequently occur during their use, being sometimes an intrinsic process, such as for example flowing of a flammable liquid through a pipe. The electrification process of materials and technical equipment-s is responsible for generating, through specific mechanisms, significant quantities of electrostatic charges. The presence of electrostatic charges on materials and technical equipment-s, used in areas w...

Magnesium oxychloride cement (MOC) is a non-hydraulic binder produced in a more eco-efficient way than Portland cement and due to its favorable properties represents its promising alternative in the production of construction materials for specific applications. The specific advantage of MOC is the fact that it can accommodate organic as well as inorganic substances in the form of fillers, aggregates, additives, reinforcement, etc. which enables enriching properties and performance of the final composite material....

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...

Awareness of the importance of sustainable agriculture has increased in recent decades. One of the reasons for this is the widespread use of synthetic pesticides and their possible secondary negative effects on valuable carnivores and biodiversity. Therefore, the need for biological and environmentally friendly alternatives to pest control has become relevant. This relevance is also reinforced by the European Union's Green Deal agenda and its underlying strategy - Farm to Fork, which aim to mitigate climate change...

The first oil discovery from Romanian Black Sea area was in 1987, relatively late compared with the first successful Romanian onshore well, more than 100 years earlier. Starting from that moment and continuing till recent years, several discoveries were done; some are already put into production and some others are still in the exploration phase. In order to extract as much oil as possible and also to define new hydrocarbon reservoirs, it is mandatory to have a proper understanding of the petroleum systems from th...

As the world adopts the technological era, the adverse effects of climate change have been experienced by the increasing population, which has led to a rise in energy demand. Heavy industries depend on dirty fossil fuels that release GHG emissions into the atmosphere. This paper aims to review the integration of a nuclear-renewable hybrid energy system (NRHES) to produce green hydrogen in decarbonizing hard-to-abate industries in the ASEAN region. In this study, the two main hydrogen production methods were identi...

Floods are the most frequent and widespread natural disasters worldwide (WMO, 2013). In 2006 for instance, exceptionally high river levels caused loss of lives and considerable economic losses in Serbia, Bulgaria and Romania. Thus risk prevention strategies were reconsidered and the need for common solutions for the Danubian countries was outlined. Non-structural measures to mitigate flood risk as is the improvement of forecasting capabilities on a basin-wide scale are known to be highly effective. The DAREFFORT p...

The paper deals with the possibility of obtaining zinc and iron from waste galvanic sludge, which arises during galvanic plating. Galvanic sludges, which contain more significant amounts of heavy metals, form wastes that are suitable for recycling. These arise during the treatment of wastewater from the operation of the electroplating plant. It is a mixture of metal hydroxides, mainly iron, zinc, chromium, and others. The sludge is sedimented in the reaction wells and, after sedimentation, is pumped into the sludg...

In recent years, the growing impact of flood events on society, economy and environment, has increased the need for early prevention and mitigation measures. The prediction of future flooding areas represents an important tool that can reduce the magnitude of consequences, by identifying and mapping the flood prone-areas. The intensity and extension of floods depends on various contributing parameters, such as hydrometeorological and geomorphological indicators, land use, anthropic activities. Therefore, by analys...

Organic soils can be a major source of greenhouse gas (GHG) emissions in countries with high peat soil coverage, and emissions are observed in both sectors of agriculture and land use, land use change and forestry. This phenomenon is well-known and persistent in the Nordic part of Europe, but proper soil management practices are not often exhaustively understood and present. This study aims to assess the current situation by identifying the climate change mitigation (CCM) targeted management practices on organic s...

Almonds can be infected by mycotoxigenic fungi both during the vegetation and during storage after harvesting. Most of the times the almonds are healthy, but during the improper storage they can be contaminated by fungi from the genus Aspergillus, Fusarium and Penicillium. The mentioned fungi are very dangerous for health because they are producing carcinogenic mycotoxins. The purpose of the work was to identify the fungi that are growing on the marketed almonds when they are placed on culture media after a previo...

The use of natural gas as a home heating source has, unfortunately, generated a number of gas explosion events, most of which have as their main cause the accidental leakage of combustible gas. The dynamic effects generated by the explosion pressures differ from case to case, depending on the concentrations of combustible gas accumulated in the chambers from the time of the occurrence of the gas leak to the occurrence of the source of initiation. Often, these dynamic effects involve concentrations close to the sto...

Climate change-s effect on nature, the human population and water resources have become a serious issue. It affects the delicate balance between precipitation, evaporation, discharge and other interactions between the atmosphere and surface, which is represented by the water cycle as we know it. The adaptation of water resources to changing hydrological conditions within basins is crucial. However, the uncertainty of climate change makes it difficult for hydrological models to evaluate future conditions. To suppre...

The COVID-19 outbreak has heavily influenced the way many businesses operate across all sectors linked to both changes in the consumer behavior, social-distancing restrictions and also the availability of resources and services (inc. public services) for businesses. These restrictions have influenced also the work of enterprises in the sector of bioeconomy - producers, processors and distributors of manufactured goods like food, clothing or home goods and other bio-based sectors both in the stages of primary produ...

Ductile iron is currently one of the most popular construction materials. Its mechanical properties are close to those of steel. The basic material in the production of ductile iron is gray iron, which can be produced in a cupola or in an electric induction or electric arc furnace. After tapping the gray cast iron from the furnace, the gray cast iron is processing into ductile iron. This process is called modification. Magnesium and its alloys and cerium are most often used as modifiers. In addition to the modific...

The paper presents the effect of zeolitic volcanic tuff on soil fertility as a consequence of treating soil with zeolitic tuff supplies (clinoptilolite rich tuff). This high silicon tuff type and the essential features of the clinoptilolite has generated in time changes in soil properties like soil reaction, an effective pH buffering, increase of water absorption and cation exchange properties. The effect of using three different doses of zeolitic volcanic tuff, with and without ammonium nitrate addition as fertil...

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...

This article deals with the design and implementation of an intelligent biometric system that allows the detection and classification of a person's face from static image data and creates a system for evaluating its reliability. In its introductory part, it theoretically describes applied biometrics and biometric systems for security identification and user verification, and also deals with the theory of the description of algorithms for human face detection and recognition. Subsequently, the authors use the MATLA...

Food waste is a growing global concern, with the attention of major global organizations focusing on monitoring and finding solutions to optimize it. According to the latest data published by the National Institute of Public Health on this topic (2019), in Romania, food waste is estimated at 6,000 tons per day 49% from households, 37% from the food industry, 7% from retail, 5 % of public catering and 2% of the agricultural sector. In this context, it was proposed to implement a system based on reducing waste and w...

Providing an affordable high quality animal protein, a high chance for investment, job opportunities and a great source of income for the small holders, poultry production/farming remains as a stable investment all over the world. However the recent pandemic - Corona Virus Disease -19 (Covid-19) affected the sustainability of various animal production sectors worldwide and in developing countries and the influences of these are more severe. Excluded from the mandatory closures are those industries involved in the ...

Along with pedestrian traffic, urban cycling is an ecological, social way of moving that does not generate pollution or noise and is good for health. In this context, more attention should be paid to the design of cycling infrastructure - because if we want more cyclists on city streets, then we need to provide them with adequate, fast and safe infrastructure. Infrastructure works for cycles must not affect spaces intended for pedestrians but must be located in the space used by motorized means of transport, aimin...

Waste and by-products from the food industry put pressure on the environment. FAO defined food losses as losses along the food chain between producer and market, while safe and nutritious food is thrown away as waste. About a third of the food produced is wasted. A significant amount of food is disposed of as waste, especially in developed countries, and this also means the disposal of resources used to produce food. Food waste is not only an economic problem, but also an environmental and moral problem. Food dive...

Recent years have seen an increase in microbial biofilm resistance, which has led to great challenges for the medical community in terms of treating diseases and the food industry in terms of contamination and the loss of shelf life. The purpose of this work is to test the antimicrobial efficacy against the biofilm formed by the following reference strains: Streptococcus pyogenes (ATCC 19615), Staphylococcus aureus (ATCC 25923), Shigella flexneri (ATCC 12022), Pseudomonas aeruginosa (ATCC 27853), Escherichia coli ...

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...