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The issue of improving the shape of paraboloidal surfaces of transformable reflectors is still considered one of the most challenging problems. In modern transformable reflectors, the paraboloidal shape of the center of deployable reflectors is ensured by placing nodes of a flexible tape grid. It is accepted that the maximum accuracy of the parabolic surface is achieved under conditions of equal loads of the nodes. Changes in the geometry of the paraboloidal surface of the reflectors mainly develop in the peripher...

Traditional production is more sustainable through local efficiency, meat and spices often come from local farms or markets, reducing the carbon footprint associated with transport, respect for resources and cultural diversity, while industrial methods are oriented towards volume, uniformity and profit, often with higher ecological costs. Traditional pork sausages are prized for their unique flavors and textures, making them a staple in the Romanian tradition. The process of preparing traditional pork sausage has ...

The main objective of the theme taken in study is to bring a contribution to the development of an intensive technology for corn, in conditions of good favorability. The area under study is part of the Timis Plain and is characterized by climatic conditions conducive to corn cultivation, being framed in the very favorable cultivation area in our country. In order to highlight the behavior of the corn hybrids taken in the study, determinations were made regarding: grain production, depending on the hybrid (kg ha-1)...

Cultural properties possess unique characteristics that fulfil the essential needs and desires of individuals, thereby enhancing the well-being and quality of life within a community. The enhancement of cultural properties focuses on promoting their recovery to improve physical preservation, protection, and safeguarding; in such operations, it is essential to ensure sustainability from environmental, economic, and social perspectives. To achieve sustainable architecture, it is necessary to implement strategies tha...

Hydrogen is considered the energy source which can ensure the global transition to sustainable low-carbon energy systems. Municipalities can become more eco-friendly by adopting and implementing hydrogen-based energy systems. At the beginning of the transition toward carbon neutrality, the municipalities can use the hydrogen mixed with natural gas in the existing natural gas network for food and domestic hot water preparation, and heating and electricity generation, and the hydrogen stored as compressed gas, cryo-...

The study of hydrogen explosions in interconnected spaces is essential for safety in industrial and laboratory settings. Due to its highly flammable nature, understanding hydrogen explosion dynamics is essential for risk mitigation. This paper presents an experimental and computational analysis of a hydrogen explosion in a setup with four interconnected chambers. The experimental stand had transparent walls for direct observation. Ignition was initiated to analyze flame propagation, acceleration, and pressure vari...

Energy remains a key driver of human development and economic growth. The projected increase in the global population to 8.5 billion by 2030 will intensify energy demand and dependence on fossil fuels, the main source of CO2 emissions. This highlights the urgent need for renewable and sustainable energy solutions. Hydrogen is considered a promising clean energy carrier; however, most hydrogen is still produced from natural gas via steam reforming, releasing significant amounts of CO2. Growing attention is therefor...

The stinging nettle (Urtica dioica) and purple dead-nettle (Lamium purpureum) are widely distributed plants, known for their medicinal and nutritional properties. Urtica dioica is particularly valued for its significant mineral content, being widely used in traditional medicine and agricultural practices. Similarly, Lamium purpureum presents notable medicinal properties and typically occupies comparable ecological functions. Calcium is critically important for developing cell walls, growth of plant cells as well a...

Albania faces increasing wildfire pressure amid hot, dry summers, where extreme temperatures and prolonged drought intensify fire danger. To assess how meteorological fire-danger signals correspond to real wildfire outcomes, this study examines the coherence of the Fire Weather Index (FWI) with two key indicators fire occurrence and fire extension using daily data for July August 2017 2021. FWI values were derived from EFFIS daily rasters for all twelve qarks. At the same time, fire counts and burned-area data wer...

It is known that environmental problems are numerous, having a global impact. The quality of the environment involves increasing attention from all countries and requires the urgent adoption and implementation of measures to protect it. Sustainable development is justified by making environmental protection expenditures, especially since the state's fiscal policy ensures the achievement of sustainable development objectives. Through this article, the authors emphasize the need for financial resources in the a...

The growth of environmental responsibility among the youth of the Republic of Tatarstan in recent years demonstrates positive changes in relation to hazardous waste management in Russia. This is especially noticeable among schoolchildren and students. As part of the study conducted among the youth of the Republic of Tatarstan, various methods were used, including questionnaires, to gain a deeper understanding of the level of environmental awareness and willingness to participate in environmental initiatives. The q...

As climate change accelerates, governments and businesses around the world are faced with the need to adapt to new environmental and economic realities. Innovative adaptation strategies are becoming key to building economies that are not only resilient but also able to thrive in times of uncertainty. Adapting to climate change means adjusting economic systems to new conditions to mitigate negative impacts and harness potential benefits. This involves rethinking the ways we use resources, as well as developing new ...

The Alasehir Graben hosts a thick sedimentary sequence of terrestrial clastics deposited from the Early Miocene to the present. Oil shales occur with thin- to medium-bedded sandstones, siltstones, and shales in the upper part of Alasehir Formation. This study evaluates depositional settings and paleoenvironmental conditions via inorganic geochemistry of oil shales. X-Ray Diffractometer results show the presence of quartz, clay, mica, feldspar, calcite, chlorite, pyrite, and ilmenite. Al2O3 shows strong positive co...

The paper explores the utilization of modern measurement technologies, particularly drones and GPS systems, in the process of mineral resource exploitation. These technologies have revolutionized the way topographic surveys are conducted, providing efficient and precise solutions for land mapping and mineral deposit evaluation. Drones, equipped with RTK (Real-Time Kinematic) modules, enable rapid collection of geospatial data, facilitating the acquisition of high-resolution aerial images and digital terrain models...

Open data and informatics provide new opportunities for cost-effective environmental monitoring in data-scarce regions. This study applies a geospatial informatics approach to assess coastal microbial pollution patterns in Albania during 2023, using openly available datasets from the Albanian Institute of Statistics (INSTAT) and the European Environment Agency (EEA). Microbiological indicators of bathing water quality (intestinal enterococci, IE/100 ml) were combined with municipal solid waste statistics to explor...

In previous studies, when conducting a geospatial analysis of 297 degraded territories in Latvia, it was found that 6.7% of them would be suitable for electricity production with renewable energy resources and approximate calculations of the possible electricity production potential were made. The task of the study was to conduct an in-depth study of the degraded territory found in the previous analysis in an area of 11.0 ha, taking into account the location of the territory in relation to the daily movement and a...

The integration of Geographic Information Systems (GIS) into higher education represents a transformative pathway for preparing students to address global environmental challenges. While GIS training traditionally emphasizes spatial data handling and map-making, its potential for capacity building is significantly enhanced when combined with emerging artificial intelligence (AI) tools. This paper presents an interdisciplinary educational model that aligns with SDG 4 (Quality Education) and SDG 13 (Climate Action),...

Urban ecology examines the intricate interactions within socio-ecological urban systems, with green infrastructure (GI) emerging as a vital tool for sustainable development by enhancing ecosystem services and promoting human well-being. This study aimed to provide a comparative assessment of moss-based GI, focusing on its capacity to reduce particulate matter (PM10) and absorb rainwater. To evaluate PM10 absorption, laboratory experiments were conducted in a controlled pollution chamber using a vertical barrier de...

With a growing global population and rapid urbanization, cities around the world are facing a multitude of challenges, including climate change, pollution, and biodiversity loss. Green infrastructure, a term that encompasses natural and semi-natural systems integrated into urban spaces, provides solutions that not only address these issues but also contribute to creating sustainable and livable cities. Green infrastructure includes a variety of elements, and they work together to provide ecosystem services, includ...

This paper emphases the synergistic nature of greenhouses, underlining their role in feeding the population and optimizing energy, water, and gas fuel consumption. Several synergies associated with greenhouses are listed: that of recoverable energies, that of water, that of carbon offset, that of trophics, that of economics and that of politics. The most significant greenhouse configurations are reviewed: the passive greenhouse, oper-ating exclusively with renewable energies, the cogenerating greenhouses, producin...

Groundwater represents a vital yet often overlooked source of freshwater, essential for public water supply, agriculture, industry, and maintaining ecosystem functions. In the context of accelerating climate change, overexploitation, and water quality degradation, the sustainable management of groundwater resources is becoming increasingly important. The aim of this study is to analyze current approaches to groundwater governance based on case studies from California, Orange County, the Netherlands, and India, and...

Heavy metals as persistent pollutants of the aquatic ecosystems become a global issue of concern and are consistently increasing due to urbanization and industrialization. The aim of this study was to determine the heavy metals content in the water of the Mati River. Heavy metal levels were monitored during 2024 on four campaigns along the Mati River. Water samples were collected from five stations, covering the whole watershed area. Sample analyses were performed by Atomic Absorption Spectroscopy, (GF-AAS). This ...

Hermaphroditism in the flathead grey mullet (Mugil cephalus), manifested as intersex conditions, is linked to various environmental factors and anthropogenic pressures. Key contributors include exposure to endocrine-disrupting compounds (EDCs), heavy metals, and pollutants that disrupt hormonal regulation, leading to sexual development abnormalities. Research indicates that Mugil cephalus is particularly sensitive to EDCs in coastal and brackish ecosystems. Our findings reveal that 19% of male individuals from the...

This study presents a hexagonal-based geoinformation approach for monitoring forest ecosystems and detecting anomalous changes in Ukraine, where forest resources are under severe anthropogenic and military pressure. Using Sentinel-2 satellite imagery, vegetation indices were processed to classify vegetation dynamics and identify areas of significant degradation. A hexagonal spatial partitioning method was applied to improve spatial accuracy, reduce edge effects, and support the quantitative assessment of forest co...

The study focuses on the assessment of geosites in the Doln- Spis region of eastern Slovakia as a foundational framework for the establishment of a potential geopark. This region is characterized by significant geological diversity, notable geomorphological features, and substantial anthropogenic heritage, particularly related to historical mining activities. Based on the inventory of 42 geosites, a typological classification was conducted, dividing the sites into six main types and several subtypes. The evaluatio...

We present herein a thoroughly study concerning synthesis, structure and fluorescent properties of two classes of pyrrolodiazine derivatives: pyrrolopyridazine respectively pyrrolophthalazine cycloadducts. The synthesis is straight and efficient, consisting in a 3+2 dipolar cycloaddition reaction of diazinium ylides to dipolarophiles with triple bound. The structure of compounds was proven by elemental and spectral analysis. The fluorescence studies reveal that the pyrrolodiazine compounds are intense blue emitter...

It is well established that the farther a benchmark is from the datum point in a leveling network, the greater its standard error of adjusted height tends to be. To explore the optimal datum point location for minimizing height uncertainty, we performed 11 separate adjustments of the Second Bulgarian Leveling Network. Each adjustment used a different nodal benchmark as the datum point. While all adjustments yielded identical benchmark elevations and the same mean adjustment error of 2.14 mm/km^0.5, the sum and ave...

The role of a ventilation system is to establish or maintain conditions of temperature, humidity, dust content and gaseous products compatible with a certain degree of comfort [2], in the presence of various external inputs, respecting the noise level and air speed compatible with this comfort. In order to obtain prescribed (previously fixed) temperature, pressure and humidity conditions in ventilated premises, the air must first be subjected to a complex treatment process, a process that may include heating, cool...

Horseradish peroxidase (HRP) is an enzyme belonging to the oxidoreductase class with applications in biotechnology and the food industry, environmental depollution and clinical diagnosis. HRP is an effective biocatalyst in the oxidation of organic compounds. Many biotechnology fields, such as environmental applications and the pharmaceutical industry, require stable peroxidase-based biocatalytic systems. The goal of our work was to develop efficient immobilized biocatalysts containing HRP. HRP immobilization was p...

Accurate solar power forecasting is essential for grid stability and efficiency. Precise generation forecasts help balance electricity supply and demand, prevent overloads, and support renewable energy integration. It enables to optimize bidding strategies and reduce penalties for imbalanced production. This study presents a solar power forecasting approach that integrates deterministic models with machine learning. The system utilizes the pvlip Python library for deterministic calculations. XGBoost-based machine ...

Hydrogen integration represents a promising strategy for decarbonizing Floating Production, Storage and Offloading (FPSO) operations, which traditionally rely on gas turbines and diesel generators. This study proposes a hybrid FPSO concept combining renewable energy generation with onboard hydrogen production, storage, and utilization. The system emphasizes green hydrogen produced by renewable-powered electrolysis of desalinated seawater, supported by blue hydrogen from associated gas reforming with carbon capture...

The spatial and temporal relationship between petroleum and ore deposits has attracted the attention of scientists since the 1960s, when a connection was determined between oil-gas formation processes and ore-forming processes, which led to the formation of Pb-Zn Mississippi-type deposits, Carlin-type gold deposits, and stratiform copper deposits. These studies concluded that there is a paragenetic relationship between petroleum fluids and ore mineralization. To date, studies concerning the relationship between se...

Rapid growth of world population and economic activities continue to cause the increase of anthropogenic greenhouse gases (GHG) emissions. To mitigate GHG emissions and limit global warming, researchers and practitioners around the globe search for clean energy solutions. Many researchers believe that hydrogen (H2), with its high energy density, has a promising potential. Yet, practical implementation of H2-based energy generation faces technical and economic challenges. So far, over 95% of global hydrogen product...

Levulinic acid (LA) obtained by processing of plant biomass is used to synthesize many important compounds, among which is gamma-valerolactone (GVL) - a platform chemical. At present, bifunctional catalysts based on inorganic supports are the most widespread in the reaction of selective hydrogenation of LA to GVL. Polymers can serve as promising alternative to inorganic supports. In the framework of the presented study, the series of amorphous aromatic polymers was synthesized using different monomers: phenanthren...

Hydrological droughts are formed by different processes, but how strong and heterogeneous they are, leading to different hydrological droughts characteristics and propagation. Droughts have no distinct starting date, but different methods gives a course of action that may help to identify dry signals and possible, drought conditions for drought early warning and predict to some certain level the magnitude and water required for hydrological drought recovery. We choose hydrological drought indices system that are a...

Parsnip (Pastinaca sativa) is a vegetable with high nutritional value, which is cultivated mainly for the consumption of its roots, used as a spice in the preparation of dishes, being appreciated for its rich fiber content, as well as for vitamins and bioactive compounds. The paper aims to assess the differences between raw and cooked parsnip, based on its nutritional composition, focusing on the content of amino acids, fatty acids and essential vitamins, as well as on how these components influence health. Parsni...

Nanotechnology is increasingly being integrated into modern industrial applications, including the development of next-generation nanofertilizers (NFs) containing essential and non-essential elements such as zinc and silica. These NFs often intensify yield forming attributes without compromising the final crop quality. Larger knowledge about NFs application is still lacking in agronomic academic literature. It is particularly relevant for soybean cultivation, given its importance in human nutrition, feed industry ...

This paper analyses the implementation of recent geospatial technologies to map and model underground natural gas networks in three dimensions, with a focus on the use of mobile LiDAR scanning systems. The research focuses on the Subcetate area in the municipality of Arad, a representative example for the technical-urban networks in western Romania. The main objective is to create a geospatial database (GIS) with a high degree of accuracy, which would include the information collected from the site about the route...

Background: This paper explores the use of artificial intelligence (AI) in optimizing rural tourism management, highlighting the potential of this technology in the sustainable development of rural communities. AI can contribute to the efficient management of tourist flows, resource optimization, and improving visitor experiences. Methods: The study presents a detailed bibliometric analysis of the existing literature, using relevant keywords extracted from the Web of Science Core Collection database. Moreover, AI ...

Within the core project called "Geomagnetism, a modern tool in space weather forecasting and rapid response to associated natural hazards for the protection of critical infrastructures and national air traffic security", we implemented a Web-GIS platform with ARCGIS Server, which can be viewed in an internet browser at: http://harti.igr.ro/masuratori_aeroporturi. The thematic layers in the application, at the level of the entire country, are the locations of magnetic declination measurements for all airports in Ro...

The authors of this paper review the main factors of management in general (planning, organization, leadership and control) and environmental management in particular (environmental impact assessment, environmental legislation, pollution control, resource conservation, sustainable development, waste and wastewater management), with a focus on pig farms and their characteristics (biosecurity and health, growth and reproduction and reproduction, housing and food and water management, feed and feed management facilit...

Apple juices are already well-known and appreciated products, which under certain conditions can be enriched with vitamins, minerals and other nutrients, contributing to increasing nutritional intake as well as to completing some nutritional deficiencies. Such an approach often constitutes sustainable solutions from an economic and process point of view. Obtaining these new types of apple juices ensures the completion of their already known nutritional benefits with the therapeutic ones brought by the intake of ho...

Corrosion is one of the most important causes of failures of reinforced concrete building structures, reduces their service lifetime, reliability and increases the economic complexity of subsequent reconstructions and renovations of buildings. This paper is devoted to the investigation of aggressive environmental influences on building structures. The research is closely linked to long-term measured data of the Slovak Hydrometeorological Institute (SHMI), which are used to calculate corrosion losses per year and t...

Carrot pomace is considered a promising by-product due to its health-benefit nutrients such as fibers, vitamins, polyphenols, carotenoids, and minerals. Incorporating pasta with healthy ingredients such as carrot pomace could be a good idea to enhance its nutritional value. The aim of this study was to investigate the effect of carrot pomace on durum wheat flour dough rheological properties. In this study, carrot pomace from four varieties was used. Carrot pomace was incorporated at levels varying from 0 to 12%. D...

This study examines the influence of cutter geometry on cutting forces and rock destruction efficiency in drilling, with relevance beyond geological applications. We explored optimizing geometric parameters - attack angle (0--45-), cutting edge width, and profile shape (straight, wedge, radial) - to boost efficiency and cut energy use. Numerical simulations via SolidWorks finite element analysis (FEA) used a tetrahedral mesh (0.1-0.5 mm elements) and the Mohr-Coulomb criterion to model cutter interactions with roc...

This study evaluates the influence of dietary supplementation with royal jelly on growth dynamics in sterlet (Acipenser ruthenus), a species of significant interest in aquaculture. Throughout a controlled experimental period, juvenile sturgeons were fed diets containing varying concentrations of royal jelly and were monitored for key growth performance parameters, including weight gain, specific growth rate, average daily gain, and feed conversion ratio. The results revealed a significant impact of royal jelly sup...

ABSTRACT Fish and seafood represent some of the most nutritionally dense and well-balanced food sources, forming one of the largest and fastest-growing sectors in the global food market. Recent advancements in food science and technology have enabled innovative solutions to enhance the quality, extend the shelf life, and ensure the safety of fish products. The evolving fish and seafood market has spurred the development of novel products to meet increasing consumer demand for healthy, diverse, and convenient dieta...

The green economy is a concept that seeks to ensure sustainable development, in which economic growth is in sync with environmental protection. Innovative educational approaches can foster the knowledge and skills needed to build a sustainable economy. This article examines some of the most effective innovations in education that support the green economy. Project-based learning is an approach that allows students to work on real-world problems and cases. By participating in projects related to sustainable develop...

The growing amount of waste and the pressure to transition to a sustainable and circular economy create the need to modernize waste management through technological innovations. This article focuses on the analysis of selected innovative technologies and waste processing, namely plasma gasification, hydrothermal carbonization, chemical recycling of plastics, robotic sorting systems using artificial intelligence and biological processes such as enzymatic degradation of plastics. Based on a systematic literature sea...

Since the primary purpose of an education system as a whole is to provide education to students, this paper, as the first part of a larger study, is devoted to a detailed analysis of the size of general education schools, teachers and students who form the basis of the entire education system. The paper analyses up to date available almost 2800 data entries from Latvian National Education Information System about general education institutions, which are maintained by municipalities from 2019 - 2023. Statistical m...