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From a geological point of view, Dobrogea presents a wide variety of rocks specific to all three major petrological categories. Plutonic magmatic rocks are found especially in the Macin Mountains, in the form of granites or granodiorites, rarely diorites. Basaltic volcanic igneous rocks are mainly found in the Niculi?el Hills. Metamorphic rocks outcrop in the South of Tulcea County as Micaschists, on the border with Constan?a County, in the well-known Altan-Tepe mining area, but also isolated, to the Southwest of ...

The method of fundamental solutions is a meshless method that belongs to the Trefftz class of numerical methods. The method needs only the boundary to be defined using the set of boundary collocation nodes; it is mathematically effortless to program. One of the imperfections in the context of MFS is the fictitious boundary without any rigorous definition. The other fact that MFS suffers from is the nature of the characteristic matrix that is non-symmetric and fully populated. This issue is overcome by adopting the...

The main scientific problem to which the study is devoted is to determine the relationship between such aspects of the quality of life of the population as: environmental quality, economic inequality and digitalization of households. The relationship between the three studied areas of household life is dictated by the processes of digital transformation, the formation of a green economy, while the phenomena of population differentiation by income is increasing. Nonparametric correlation coefficients were calculate...

Computer simulation has a significant application in the field of metallurgy. It is primarily an issue that deals with the issue of casting. The simulation of casting and solidification makes visible the foundry phenomena that take place in the gating system and the casting when the mold is filled with liquid metal and during its solidification. The article deals with the design of the gating system and the simulation of the filling and solidification of a real casting made of ductile iron. In the next production ...

Kosovo has significant reserves of coal, where their exploitation began in 1922, coal is a mixture of organic mineral material produced by a natural process of growth and decay, or an accumulation of debris both vegetal and mineral with some sorting and stratification. Based on the geological map, the Kosovo Basin is mainly a tectonic area filled with tertiary sediments. Old rocks represent the Basin area, in the west Paleozoic age and in the east by Upper Cretaceous sediments. In the Coal Basin of Kosovo, along w...

The Dniprovsko-Buzky liman is a semi-enclosed water body located in the lower part of the mouth area (estuary) of the Dnipro and the Pivdennyy Bug. The studied liman is located within a tectonic depression that is characterized by asymmetric slopes. The northern slope of the depression is steeper and characterized by a predominance of positive tectonic movements. The southern slope is very gentle, and negative tectonic movements take place within it. The specified tectonic conditions determine the lithological, mo...

Climate change has precipitated severe issues such as soil erosion, intense precipitation and extended droughts, impacting not only agricultural sectors but also ordinary citizens globally. Unfortunately, human interventions frequently exacerbate, rather than mitigate, these problems. Our approach emphasizes the application of environmentally friendly blue-green infrastructure, recognized for its potential in mitigating climate change effects and enhancing living conditions for both the local populace and the indi...

Global heating is happening at an unprecedented speed. As a result, both human society and natural ecosystems are facing significant challenges. Numerous tools and policies are being implemented both for climate change mitigation and adaptation. Substantial amount of funding has been pledged by international governments and private corporations to support these efforts. One of particularly promising tools that tends to gain popularity for addressing climate change are Nature-based Solutions. These tools can be use...

Among the many factors affecting the average life expectancy and mortality of the population, along with the effective services of the health care system, an important place is occupied by the ecological condition of the environment, in particular, the quality of the security of its resources for human health. Providing the population with safe, clean, drinking water is one of the most important factors in the world and among them in Georgia. According to the data of the World Health Organization, almost 2 billion...

A study of the bioregion paradigm reveals that bioregions can be diverse. A bioregion is a construct of the human mind that evolves to resist the continued destruction of wild systems in an effort to restore ecological balance. Latvia has a diverse landscape, relatively rich biological diversity and cultural heritage, which provides a solid foundation for the creation of potential bioregions. The UN Sustainable Development Goals, the European Green Deal and other documents offer solutions to make our farming more ...

Consumers are changing their food preferences in favor of healthier foods that have a beneficial effect on health and that embrace sustainable consumption patterns. To meet the demand of modern consumers, the food sector is undergoing a major revolution as more and more new products are appearing on the market. This trend has encouraged the food industry to develop a new category of food products, which is 'functional foods-, characterized by the presence of one or more bioactive compounds having beneficial effect...

The work analyzes the rights of future generations in a perspective of solidarity within Italian-European environmental law, in a similar way to what was done in the German legal system. The analysis is conducted through a survey of the Italian-European regulatory framework, also with specific reference to the objectives of European social policies and through the jurisprudential comparative analysis with the legal system of the Federal Republic of Germany. In particular, with specific reference to a recent enviro...

Materials and technical equipment, especially their external parts, are inherently subjected to the electrification process during their use. The electrification process of the materials and external parts of the equipment, especially the non-conductive ones, is responsible for the generation, through specific mechanisms, of significant amounts of electrostatic charges. The electrostatic charges generated as a result of the electrification process on the materials and external parts of the technical equipment used...

Pursuing sustainability in a rapidly changing global landscape has necessitated a paradigm shift in economic models. At the forefront of this transformation is the Circular Economy, characterized by the continuous reuse, recycling, and remanufacturing of products and materials, which has gained prominence as a means to address pressing environmental challenges while fostering economic growth. This research explores the interplay between the circular economy, innovation, investment, and social responsibility. These...

Urban green infrastructure has historically been used for aesthetical purposes, making landscapes visually pleasant. More recently the green infrastructure in urban and sub- urban areas has started to be applied to help solve a broad range of problems that city dwellers are facing. These problems include natural disasters, overheating, excessive flows rainwater, biodiversity decline and food insecurity among others. Thus, implementation of green infrastructure as Nature-based Solutions has become increasingly popu...

Safety culture and the environment are closely linked. In companies, they are very often managed together within the HSE department. In most major industrial accidents that have had a catastrophic impact on the environment one of the causes has been a poor safety culture. The very definition of safety culture originated in the investigation of the Chernobyl nuclear power plant accident in 1986. Another example of an accident caused by a poor safety culture was the Deepwater Horizon oil rig disaster in 2010, which ...

The paper presents the cover of soils, their characteristics and the way of use according to the fertility and favorability of the soils identified in the Remetea Mare locality in Timis county. For this, a series of analyzes and field observations were carried out as well as comparisons of the initial data taken from previous studies and researches. Soil profiles were dug, 14 soil samples were collected in a disturbed structure to determine the main physico-mechanical, chemical and water indices, after which the d...

The number of transport units in cities is increasing every year. This trend contributes to air pollution problems in many rapidly urbanizing countries. Various heavy metals and other chemical elements, including aluminum, have been related to air quality degradation. Poor air quality affects people, especially young children, the elderly, and people with chronic illnesses, causing health problems and aggravating existing problems. The aim of the research is to find out which parts of the city of Jelgava have the ...

A comparative assessment of the amount of protein and anti-nutritional substances in the green mass of amaranth during the growth and development of the crop was carried out. It has been established that the content of nutritional and anti-nutritional components depends on the phase of plant development. The largest amount of oxalic and phytic acids, mg%: 79 and 156, respectively, was contained at the beginning of flowering of amaranth, tannins 75 mg% - at the beginning of budding, nitrates 7.4 mg% - at the beginn...

This article presents the rheological study of protease and asparaginase enzymes on dough obtained from white flour used for biscuits. Using alveographic method and falling number method we were able to determine the rheological characteristics of the dough used for biscuits and monitor the effects in the flour and finished products of protease and asparaginase enzymes taking into account different dosages. The technological process of preparing biscuits and crackers using protease and asparaginase becomes more he...

Climate change may increase the frequency and severity of floods in many regions of the world, including Poland and Slovakia. Crises may be caused by, among others: increased rainfall, rapid melting of snow, river floods, and floods in urban areas. The article focuses on the problems occurring in Poland and Slovakia, which will have to adapt their infrastructure and policies to cope with the changing climate and increased flood risk. The article concerns aspects of crisis management using geo-informatic tools in f...

Chitin and chitosan, which due to their wide applicability and abundance are of increasing interest to industries. Chitin is extracted from a wide range of living things by a variety of methods, which may be chemical or biological. Chitosan is obtained from the alkaline deacetylation of chitin by chemical or enzymatic processes. Due to their different polysaccharide chains, chitin and chitosan have different properties. Chitin is thus an insoluble polymer in most solvents, while chitosan is a soluble polymer in ac...

Urban railway transit is one of the most sustainable and environmentally friendly means of transport in the modern European city. There is a significant incentive for municipalities in Europe to construct new urban railways as the latter combine high energy efficiency with high carrying capacity. One of the main arguments in opposition to expanding existing urban rail networks is the noise and vibration impact of the new line on the surrounding area. This paper addresses the issue by means of formulating a theoret...

Perlite is a naturally occurring siliceous rock of volcanic origins. When heated to more than 1000-C it expands up to several times its original volume and thus creating the premises of light weightiness and thermal insulating properties. The indoor comfortable climate of modern lifestyle requires large amounts of energy to be created and sustained. This, in turn, leads to large amounts of CO2 being released in the atmosphere. Continuous research efforts are invested in creating materials with good insulation prop...

The rise of bacterial resistance to currently employed antibiotics is causing growing concerns for public health. The emergence of highly resistant bacterial strains results in the ineffectiveness of antibiotic treatments against many bacterial infections. As a result, there is an ongoing quest for new antimicrobial agents. This pursuit can take two main directions: one involves the design and synthesis of novel agents, while the other involves exploring natural sources to uncover previously undiscovered antimicro...

Forests are import to the health of the planet, as well as an economic resource of the country. Latvia has 5th highest forest area coverage in the European Union. Major tree species in Latvia are birch, pine and spruce, with the birch having one of the highest felling rates as % of end of year stock. Importance of the topic is that as Latvia, in the particular in exports of selected timber products, as softwood sawn timber, birch plywood, chipboards and pellets, are among one of the ten largest exporters in the wo...

The field of construction is currently one of the most stable and active fields of activity. It presents complex activities that are done in phase and chronologically until the end of completion execution stage. Realization of the foundation or its characteristic elements it includes a number of preparatory activities such as: land preparation and release of various tasks, shoveling and ground consolidation. The type of consolidation it is chosen according to the depth of the escape and It is about choosing a supp...

Bilberries selected from U.P. V. Higigel were investigated for their antioxidative potential using 2,2-dyphenyl-1-picrylhydrazyl (DPPH) scavenging. In order to determine the total content of polyphenols, the method described by Tamas-Krumpe Octavia and collaborators in 2010 [1] was chosen, consisting in the use of Folin-Ciocalteu reagent 0.2 N and sodium carbonate (Na2CO3) and the use of gallic acid in different concentrations as a standard. The spectrophotometric determination method based on the formation of the...

Cyanobacteria are ancient photosynthetic organisms that under certain conditions (high temperature, eutrophication) can grow rapidly and form "cyanobacterial blooms". Very often, these blooms are accompanied by production of cyanotoxins, which in most cases are dangerous to the other organisms. Knowing the producers of cyanotoxins is of utmost importance, especially today when climate change has been shown to increase the frequency of toxic cyanobacterial blooms worldwide. The aim of the present study was to chara...

Globally, there have been significant efforts to develop new means of assessing progress beyond GDP in recent years. The recent publication by the UN Secretary-General of a policy brief (UN, 2023) is inviting member states to move beyond GDP by measuring what truly matters for sustainability and prosperity. The policy brief outlines the shortcomings of GDP as an indicator of summarizing everything too much and revealing too little to be able to adequately inform policy (UN, 2023; pp. 12). This paper will present a...

Effective transportation planning must take into account urban factors and public space in order to achieve sustainable and efficient solutions to transportation problems in urban areas. Public space includes not only parks, squares, and markets, but also sidewalks and roads. Properly managed transportation in public space can help minimize traffic congestion, ensure efficient and safe movement of vehicles, pedestrians, and cyclists, and overall improve its quality. The specific example which is frequently used in...

Forests play an important role in carbon storage and global carbon cycling. The processes of litter decomposition, movement within the soil, and incorporation into different soil layers play a crucial role in the functioning of forest ecosystems. These activities are important in regulating the cycling of soil organic matter and the storage and release of carbon into the atmosphere. Soil carbon and carbon input via litter has been well-recognized, however studied relatively less compared to other carbon pools, but...

Two-photon pulsed terahertz (THz) emission from a GaAs/AlAs double-barrier resonant tunneling diode biased into regime of self-oscillations of current has been detected. The two THz pulses are triggered at two critical points in period of current self-oscillations due to the periodic process of charge accumulation and drain in quantum well. The internal mechanism of relaxation self-oscillations, which controls the trapping and release time of electrons tunneling through the miniband, is responsible for the time de...

This study explores the intricate relationship between Urban Heat Islands (UHIs) and landslide vulnerability within the context of Iasi City, Romania. UHIs are characterized by elevated temperatures in urban areas compared to their surrounding rural areas, primarily resulting from human activities and urbanization. The combination of these two factors, UHI and landslide vulnerability, poses critical challenges for urban planning, environmental sustainability, and public safety. The research employs a multi-discipl...

According to the Bulgarian legislation, the boundaries of the specialized objects of the Black Sea coast - sea beaches, coastal and coastal protection systems and facilities, coastal lakes, lagoons, limanas and wetlands, as well as sand dunes are determined by direct geodetic measurements and are reflected in the cadastral map and the property register, i.e. specialized maps and a specialized register shall be drawn up in accordance with a by-law (ordinance) on the conditions and procedure for the commissioning, c...

The ventilation network related to a mining unit for the exploitation of the useful mineral substance aims to ensure optimal microclimate conditions in underground. An ventilation network is made up of nodes and branches in order to establish its structure. In this sense, the mine ventilation must be seen as a source of life, in which the ramifications represent at the same time the arteries that transport the air to the working fronts and the evacuation of the poluted air to the surface. In order to establish the...

Urtica dioica L. is a multi-functional plant commonly known as stinging nettle, which has been used as wild vegetable for centuries. Stinging nettle is a highly nutritious vegetable due to its increased use in different food products and its health-promoting properties. Nettles are highly adaptable occurring in most common areas from unpolluted to highly polluted areas, along stream banks, farmland and also in highly disturbed areas. In hot areas, they prefer sites in partial shade, but accept to grow also in full...

Databases and ICT capabilities allow for the analysis of trends and possibilities of change. The use of ICT enables a broader problem analysis and an indication of how and where to process it For a given biodiversity, specific situation and existence, refer to the global situation and the global step on energy fuel becomes bigger with each step. Therefore, a more and more needed, soon to be added supplement, accompanying, supplementing the source. The closest available alternatives to humans are so-called biofuels...

Floods are one of the most devastating hazardous events often causing destruction of infrastructure and loss of lives. In order to mitigate negative flood impact a reliable hydrological forecast is of great importance. Thus using trustworthy information on the meteorological elements that mostly contribute to the occurrence of floods - precipitation and temperatures, is essential. Although the accuracy of the global forecasting models like ECMWF, GFS etc. has improved a lot, still sometimes there are extreme meteo...

The aim of the study is to look for ways for applying the principles of sustainable development in spatial planning through approaches that reflect modern trends in the field of ecosystem research, environmental protection and provide an optimal living environment. For this purpose, the regulatory documents for spatial planning in Bulgaria were analyzed, as well as the possibilities for applying within their framework approaches for objective assessment of the ecosystem-s state and their capacity to provide ecosys...

The paper deals with the ? + ? titanium alloys, due to their good properties such as low specific weight and high values of mechanical properties have found wide application as a construction material. Their disadvantage is high price and complicated production of the basic material - titanium but also alloying components (molybdenum, chromium), associated with high energy demand and undesirable effects on ecology. The inhomogeneity of the deformation with formation of deformation bands are typical for these alloy...

Poultry meat and eggs are considered as one of the most popular food items all over the world due to their content of high quality nutrients including protein, lipids, vitamins, and minerals. During the past decade, many countries have increased their commercial production of these essential products to meet the increased demand by consumers, especially with the increasing populations all over the world. However, there is an urgent need to ensure sustainable poultry production for the local consumer. Using native ...

The presented paper deals with the targeted application of pre-emergent herbicides. The field experiment was established in 2022 and 2023; two plots sized 26 ha and 30 ha were selected and the accuracy of the application was tested. There were local outbreaks of weeds on selected plots of land, which had to be eliminated before sowing the main crop - soybeans. Both plots were monitored using an unmanned aerial vehicle (UAV) - Mavic 3M with the multispectral camera. After the end of the monitoring, spectral analysi...

Currently, the food industry accounts for the largest amount of waste, a third of which is waste from the processing of fruits into natural fruit juices, the consumption of which has recently increased significantly due to health problems among the population. The transition to a healthier and more natural lifestyle involves reducing the consumption of soft drinks, which can contain high concentrations of sugars, artificial colors, preservatives, and increasing the production of natural juices. Studies were carrie...

Disposal of by-products from the processing of plant foods is a major industry concern, but these by-products are also promising sources of compounds with technological or nutritional properties and are now being considered as a possible source of functional compounds. The common bean (Phaseolus vulgaris L.), which contains a high protein content, fiber, and other critical minerals for humans, is one of the most significant pulses in the world. The objective of this work is to exploit the properties of common bean...

Ventilation plays a key role in maintaining the indoor environmental quality of buildings. This contribution focuses on the significance of ventilation intensity as a crucial indicator of air quality within buildings. The aim is to analyze the impact of ventilation intensity on various aspects of the indoor environment, including thermal comfort, pollutant concentrations, and overall occupant comfort. The research is centered around methods for measuring ventilation intensity and ways to optimize this value to ach...

This chapter deals with the design of optimal ventilation of the Anna seam in the Ostrava - Karvina district, with regard to the parameters of the virgin mining field, depth of deposition, rock temperature, seam gasody and method of spreading. In the first part of the paper, the authors introduce a general description of the mining area, the then state of ventilation and microclimatic conditions. The second part of the paper describes the design of the method of dispersal of the Anna seam between 8-8/7 floors and ...

Hydrogen explosions can occur in industrial processes, in laboratories, in hydrogen production and storage processes, or in new combustion processes used in modern transportation. This gas presents a particularly dangerous potential due to its flammability properties. The combustion reaction of this gas mixed with air or oxygen is strongly exothermic, resulting in a rapid increase in temperatures and pressures developed. When these overpressures become too great to be supported by the vessels or enclosures where t...

A healthy indoor environment is becoming an increasingly important issue. As the use of various materials in inhabited interiors increases, so does the concentration of harmful volatile organic compounds (VOCs) in these spaces. The actual trend of reducing energy consumption in buildings, such as by using perfectly sealing windows and doors, contributes to this increase. Consequently, people moving around in these interiors experience a rise in health problems due to the elevated concentrations of VOCs. This study...

Voltammetry is an electrochemical technique widely used in quantitative analysis to determine nickel ions in food samples due to its excellent stability. Knowing the exact applied levels of metals such as nickel in different food samples is very important to prevent high nickel consumption, especially in people with allergies and nickel excess. Electrochemical analytical methods appear to be an alternative with many advantages, including high sensitivity, low detection limits on the g/L scale, ease of use, and sim...