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SWS 2026 Conference Preprints
Publication

RAIL TRANSPORT AS AN ECOLOGICAL AND SUSTAINABLE ALTERNATIVE

(STEF92 Technology, 2026, Sarka Sterbova, Martin Hrinko)

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Transport represents one of the key sectors in terms of greenhouse gas emissions within the European Union and, at the same time, an area with a growing demand for both passenger and freight transport. Despite increasing energy efficiency, the European transport system remains largely dependent on fossil fuels and significantly contributes to CO2 emissions as well as to economic losses caused by traffic congestion. Strategic documents of the European Union, particularly the White Paper, envisage a substantial redu...

Renewable Energy Sources and Clean Technologies2026
SWS 2026 Conference Preprints
Publication

RARE METAL POTENTIAL OF SOUTH-EAST KALBA, EASTERN KAZAKHSTAN (AS AN EXAMPLE OF CHERDOYAK DEPOSIT)

(STEF92 Technology, 2026, Tatyana Oitseva, Marina Mizernaya, Dmitry Titov, Oxana Kuzmina, Ainel Bessatova)

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Rare metals such as Sn, W, Ta, Nb, Li and rare earth elements are essential for modern technologies, renewable energy systems and advanced materials. Their growing demand increases the importance of studying rare-metal provinces and identifying new perspective areas. The Kalba–Narym belt in Eastern Kazakhstan is one of the main rare-metal regions of Central Asia. However, the potential of its south-eastern part remains insufficiently evaluated. This paper considers the Cherdoyak deposit as an example of greisenâ...

Geology2026
SWS 2026 Conference Preprints
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RECONFIGURING ORGANIZATIONAL ARCHITECTURE THROUGH WORKFLOW LOGIC: A SYSTEMATIC REVIEW OF STANDARDIZATION AND AUTOMATION AT THE INTERFACE OF STRUCTURE AND PROCESS

(STEF92 Technology, 2026, Andrejs Cekuls, Laila Cekule, Signe Balina, Andris Kikans)

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This study examines how organizational structure and workflow/process design can be aligned in information-intensive organizations through Business Process Management, workflow standardization, digital automation, and adaptive governance. The study develops and evaluates the Adaptive Workflow–Structure Integration Model, which integrates structural standardization, digitally orchestrated workflows, and governance mechanisms into a unified socio-technical framework. The model is applied in a document-intensive or...

Environmental Economics2026
SWS 2026 Conference Preprints
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RECYCLING OF HUMAN HAIR AND ITS APPLICATIONS IN MANUFACTURING

(STEF92 Technology, 2026, Kinga Mozdzen)

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Human hair constantly grows and it needs to be cut. Moreover, it degrades slowly, which causes it to be long-lasting. Therefore, society generates waste that needs to be stored for a long time. Furthermore, it is an inevitable type of waste regarding the perpetual nature of the growing hair process. The management of the human hair waste is necessary and if done responsibly, it can be a chance for manufacturing sustainable devices and products by making a second use of this raw material. Recycling of the human hai...

Recycling2026
SWS 2026 Conference Preprints
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REGULATORY REQUIREMENTS AND CHALLENGES OF IMPLEMENTING ESG REPORTING IN THE BANKING SECTOR: ROLE IN THE DEVELOPMENT OF SUSTAINABLE FINANCE

(STEF92 Technology, 2026, Halyna Matviienko)

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The article examines the main challenges and current status of ESG reporting implementation in the banking sector, as well as the impact of banks on sustainable finance and sustainable development. It is proven that the development of ESG reporting contributes to ensuring transparency, accountability, and the integration of social, governance, and environmental aspects of banking institutions. The interaction between regulatory and normative acts in the field of ESG reporting is studied. The main international sta...

Environmental Economics2026
SWS 2026 Conference Preprints
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RELIABILITY AND RESILIENCE ASSESSMENT OF SEWAGE PUMPING STATION IN OPERATING CONDITIONS

(STEF92 Technology, 2026, Tanya Igneva-Danova)

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Climate change and the increasing frequency of extreme rainfall events impose additional stress on urban drainage infrastructure and particularly on wastewater pumping stations operating within combined sewer systems. This study investigates the operational performance of an existing wastewater pumping station located in northeastern Bulgaria and subjected to significant hydraulic loading caused by permanent external inflows and stormwater runoff. The assessment combines field observations, SCADA-derived operation...

Hydrology and Water Resources2026
SWS 2026 Conference Preprints
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REMOTE SENSING DYNAMIC MONITORING OF EUTROPHICATION AND EVALUATION OF WATER QUALITY IMPROVEMENT EFFECTS IN YUQIAO RESERVOIR (2016-2023)

(STEF92 Technology, 2026, Ya Xie, Jingyi Li)

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Taking Yuqiao Reservoir, a key drinking water source for Tianjin, as the research object, this study utilized Sentinel-2 MSI satellite data and synchronous in-situ measurements to investigate its eutrophication spatiotemporal changes from 2016 to 2023. Semi-empirical models based on the NDCI index were constructed for chlorophyll-a concentration inversion, while the QAA_RGB quasi-analytical algorithm was adopted for water transparency retrieval. The Comprehensive Trophic Level Index (TLI) was further calculated to...

Hydrology and Water Resources2026
SWS 2026 Conference Preprints
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RESEARCH OF RECYCLING OF WASTE RAW MATERIALS FOR BIOMASS-PPLASTIC COMPOSITES APPLICATIONS

(STEF92 Technology, 2026, Peter Krizan, Michal Svatek, Milos Matus, Lukas Hanko, Tomas Toth)

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Production of biomass-plastic composites is one of the interesting recovery possibilities for waste biomass and HDPE material. The big issue in this research area is to produce the composites with acceptable and competitive level of quality which is determined through the final mechanical properties of composites. Meaning of this paper is to present the research finding for determination of the mechanical properties of waste raw materials based biomass-plastic composites. Raw material variables influence, especial...

Recycling2026
SWS 2026 Conference Preprints
Publication

RESEARCH TRENDS AND THEMATIC EVOLUTION OF CIRCULAR PUBLIC-PRIVATE PARTNERSHIPS: A BIBLIOMETRIC AND NARRATIVE REVIEW

(STEF92 Technology, 2026, Inga Liepa, Dzintra Atstaja)

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The transition toward a circular economy (CE) requires collaborative governance arrangements that mobilize public authority, private capital, and technological capacity beyond the reach of any single actor. Public-private partnerships (PPPs) have long been used to finance and operate infrastructure, waste, and energy assets central to circular transitions, yet the intersection of CE and PPPs – Circular PPPs – remains conceptually dispersed and empirically thin. This study maps the emerging field of Circular PP...

Environmental Legislation, Multilateral Relations and Funding Opportunities2026
SWS 2026 Conference Preprints
Publication

RESILIENCE OF LARGE-SCALE WATER SUPPLY SYSTEMS TO CLIMATE CHANGE: A COMPARATIVE HYDRAULIC ASSESSMENT OF TWO DESIGN ALTERNATIVES FOR THE VACHA PROJECT

(STEF92 Technology, 2026, Boris Tzankov)

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The “Vacha” Regional Water Supply System represents a large-scale hydraulic infrastructure project designed to ensure long-term, climate-resilient drinking water supply for the city of Plovdiv and 28 surrounding settlements, with a planning horizon to 2070. The system is based on regulated surface water abstraction from the Dospat–Vacha cascade and integrates hydrological, hydraulic, and energy analyses to optimize resource utilization under changing climatic conditions. The study draws upon primary technica...

Hydrology and Water Resources2026
SWS 2026 Conference Preprints
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RESTORATION POTENTIAL OF AGRICULTURAL UNUSED LAND FOR REINTRODUCTION INTO AGRICULTURAL USE

(STEF92 Technology, 2026, Jakub Pagac, Zlatica Muchova, Alexandra Pagac Mokra)

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The research analyses agricultural unused land (AUL) identified within the cadastral territory of Velke Trencianske Stankovce (western Slovakia) with the objective of evaluating restoration potential and determining suitable management pathways for reintroduction into agricultural use. The methodological framework combines Sentinel-2 vegetation indices, LPIS data, soil characteristics, and site-specific attributes including terrain configuration, parcel accessibility, and environmental constraints. Restoration pot...

Photogrammetry and Remote Sensing2026
SWS 2026 Conference Preprints
Publication

RISK MANAGEMENT IN THE TRANSPORT OF DANGEROUS GOODS LIKE BITUMEN

(STEF92 Technology, 2026, CRISTIAN RADEANU, GABRIEL VASILESCU, LADISLAU RADERMACHER, DIANA CLAUDIA FILIP, CARLA ROXANA ENACHE)

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Risk management in the transport of dangerous goods is essential for protecting human health, the environment, and infrastructure. This chapter section explores systematic risk assessment methodologies in the context of hazardous materials transport. Key techniques such as Failure Modes and Effects Analysis, Hazard and Operability Analysis, and Bow-Tie analysis are used to identify, assess, and prioritize risks associated with the transport process. These approaches enable the systematic breakdown of potential fai...

Recycling2026
SWS 2026 Conference Preprints
Publication

ROCK GLACIER INFLUENCE ON THE THERMAL REGIMES OF ALPINE SPRINGS IN THE SOUTHERN CARPATHIANS

(STEF92 Technology, 2026, Oana Berzescu, Alexandru Onaca, Florina Ardelean)

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Rock glacier hydrology remains poorly constrained in marginal permafrost environments such as the Southern Carpathians. This study quantifies spatial variability by relating spring temperatures to elevation, aspect, lithology, and spring type, and temporal variability through diurnal and seasonal thermal amplitudes, to detect permafrost occurrence and assess its influence on alpine groundwater systems. Between 2020 and 2025, 62 alpine springs were systematically monitored in the highest sector of the Retezat Mount...

Hydrology and Water Resources2026
SWS 2026 Conference Preprints
Publication

RURAL TOURISM - A DRIVER OF SUSTAINABLE DEVELOPMENT. CASE STUDY: CARAS-SEVERIN

(STEF92 Technology, 2026, Theodor Muntean, Larisa-Elena Briscan, Tiberiu Iancu, Ramona Ciolac, Tabita Adamov)

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Rural tourism represents an important instrument for the sustainable development of local communities, contributing to economic diversification, job creation, and the valorization of natural and cultural resources. Caras-Severin County benefits from significant tourism potential. This study aims to analyze the role of rural tourism as a driver of sustainable development, with a focus on its economic, social, and environmental impact. Data collection was carried out through a questionnaire administered to the local...

Environmental Economics2026
SWS 2026 Conference Preprints
Publication

SEASONAL DYNAMICS OF THE AIR MICROFLORA IN SOFIA: RELATIONSHIP BETWEEN MICROBIAL COMMUNITIES AND THE CONCENTRATION OF FINE PARTICULATE MATTER (PM)

(STEF92 Technology, 2026, Bilyana Pesheva)

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The present study aims to track the seasonal dynamics of airborne microorganisms on the territory of Sofia, Bulgaria in relation to the dynamics of fine particulate matter (FPM). Seven sampling points were selected from which sampling was carried out in seasonal dynamics. A laboratory Spin Air sampler was used as 1 m3 of air was passed through the apparatus. For the purpose of the study, the total number of microorganisms was established, as well as the quantity of the main microbiological groups. Isolation of pur...

Air Pollution and Climate Change2026
SWS 2026 Conference Preprints
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SEISMIC MICROZONATION AND SITE AMPLIFICATION IN THE DURRES BASIN ,ALBANIA- PRELIMINARY RESULTS FROM HVSR AND MASW INVESTIGATIONS

(STEF92 Technology, 2026, Olgert Gjuzi, Rrapo Ormeni, Dionald Mucaj, Erald Silo, Sabina Cenameri)

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The 26 November 2019 Mw 6.4 Durres earthquake highlighted the importance of local site effects and liquefaction susceptibility within the Durres coastal plain, western Albania. In response, the InfraSoilArray project was initiated to improve the seismic characterization of the Durres basin using passive and active geophysical methods. This study presents preliminary seismic microzonation results obtained from the combined application of the Horizontal-to-Vertical Spectral Ratio (HVSR) and Multichannel Analysis of ...

Hydrogeology, Engineering Geology and Geotechnics2026
SWS 2026 Conference Preprints
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SENSOR-GUARDED AUTOMATED PNEUMATIC CLAMPING FOR INDUSTRIAL VISES: EFFECTS ON SAFETY, ERGONOMICS, AND OPERATIONAL EFFICIENCY

(STEF92 Technology, 2026, Alexandru Mina, Dennis Frentiu, Titus Frentiu, Florin Alexandru Santa, Dragos VASILESCU)

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Clamping and fixture operations are frequent sources of injuries and productivity losses in small and medium industrial workshops. Traditional manual vise tightening can create pinch points, repetitive strain, inconsistent clamping force, and longer cycle times, especially when parts are handled in batches. This paper presents a simple, invention-driven concept: an automated pneumatic clamping system that retrofits to a standard industrial vise and uses sensors and safety logic to improve occupational safety (SSM)...

Education and Accreditation2026
SWS 2026 Conference Preprints
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SIGNIFICANCE OF SUGARS/ADL RATIO AND LIGNOCELLULOSIC INDEX FOR COVER CROP BIOMASS DECOMPOSITION IN WINTER

(STEF92 Technology, 2026, Antonin Kintl, Igor Hunady, Martina Vesela, Martin Brtnicky, Jakub Elbl)

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The aim of the work was to assess relation between the chemical composition of the biomass of cover crops and the intensity of its decomposition during the winter period. Parameters for 13 cover crop species included contents of soluble sugars, cellulose and lignin (ADL), on the basis of which derived indicators were calculated – Sugars/ADL ratio and lignocellulosic index (LCI). Biomass decomposition was assessed according to weight loss after winter exposure. Results showed a significant variability in the chem...

Soils2026
SWS 2026 Conference Preprints
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SIMULATION MODEL FOR TRACKING THE VEGETATIVE DEVELOPMENT OF AGRICULTURAL CROPS WITH A USER INTERFACE FOR AN OPERATOR-EXPERT

(STEF92 Technology, 2026, Nikola Tsaikin)

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Based on the Entity – Relationship model (ER model) of Agricultural activities, a simulation model of the vegetative development of plants has been developed, taking into account the agricultural activities necessary for their cultivation. The agricultural crops grapes and pepper have been selected because they present different specificities such as annuals – perennials, vines (bushes) – low-stemmed and other fundamental differences. The model recreates the vegetative processes arising from the botany of pl...

Geoinformatics2026
SWS 2026 Conference Preprints
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SOIL QUALITY MONITORING INDICATORS

(STEF92 Technology, 2026, Alina Lato, Laura Crista, Adina Berbecea, Iaroslav Lato, Isidora Radulov)

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According to the European Environment Agency, soil is involved in providing more than 90% of the total production related to human nutrition, animal feed, textile fibers and fuels, while also providing the raw material for all kinds of other related activities, such as horticulture and construction. In order to monitor soil quality, it is necessary: common analyzes for all types of soils (with soil samples in disturbed and undisturbed structure) and typical soil analyzes (for soils: unsaturated with basic cations,...

Soils2026
SWS 2026 Conference Preprints
Publication

SPATIO-TEMPORAL ANALYSIS OF LAKE WATER QUALITY PARAMETERS USING SENTINEL-2 IMAGERY

(STEF92 Technology, 2026, Andreea Florina STOLERIU, Iuliana Gabriela BREABAN, Alexandra Petronela STOLERIU)

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Lake water quality is an important sign of ecosystem health, biodiversity, and sustainable management of freshwater resources. As human activities, climate change, and eutrophication increase, the need for efficient and consistent monitoring methods grows. Traditional field sampling provides accurate local data but is limited by how often and where samples are collected, as well as by high costs. Satellite remote sensing is a practical way to monitor inland water bodies, enabling repeated, large-scale assessments ...

Photogrammetry and Remote Sensing2026
SWS 2026 Conference Preprints
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SPATIO-TEMPORAL TRANSFORMATION OF CLIMATIC INDICATORS IN THE AKTOBE REGION: GIS-BASED MODELLING USING WORLDCLIM AND KAZHYDROMET DATA

(STEF92 Technology, 2026, Saule Nurtileuova, Yerkin Kakimzhanov, Kamshat Temirbayeva, Fusun BALIK SANLI, Meruyert Khamit)

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This study presents a comparative retrospective analysis of the spatio-temporal dynamics of climatic parameters within the territory of Aktobe Region for two periods: 1970–2000 and 2000–2025. The methodological framework of the study is based on geographic information system (GIS) technologies, the WorldClim global raster climate database, and verified observational data from the stationary meteorological network of RSE “Kazhydromet.” The aim of the research is to identify trends in mean annual, maximum, a...

Cartography and GIS2026
SWS 2026 Conference Preprints
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SPECTRAL LITHOLOGICAL MAPPING USING PCA AND ICA METHODS: A CASE STUDY FROM SOUTHERN TUNCELI (EASTERN TURKEY)

(STEF92 Technology, 2026, MELEK URAL, SEDAT INAL, Mustafa EGRI, Mehmet ALTUNBEY)

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In this study, using ASTER surface reflectance and emissivity data to map four main lithological units (volcanic, magmatic, clastic, metamorphic) in southern Tunceli (Ayazpinari-Cukurca) using PCA and ICA transformations, and the results were validated against a reference map. The highest success among different band combinations was achieved in the SWIR region alone for the PCA transformation, and across the entire range (VNIR-SWIR-TIR, 0.52–11.65 µm) for the ICA transformation. Although SWIR-based PCA success...

Photogrammetry and Remote Sensing2026
SWS 2026 Conference Preprints
Publication

SPECTROSCOPIC IDENTIFICATION OF BACTERIAL PHYTO- PATHOGENS

(STEF92 Technology, 2026, Vitaly Erukhimovitch)

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Phytopathogens cause severe plant diseases that pose major challenges to food production. Early detection of these bacterial pathogens is therefore essential for developing effective control strategies. However, existing bacterial identification methods are often slow and insufficiently specific. Fourier-transform infrared (FTIR) microscopy, known for its high sensitivity to molecular changes in cells, offers a promising alternative. Spectroscopic techniques in general provide rapid, cost-effective, and simple app...

Ecology and Environmental Protection2026
SWS 2026 Conference Preprints
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SPONTANEOUS COMBUSTION IN THE COAL MINING WASTE DUMP OF PETRILA IN THE JIU VALLEY AS A SOURCE OF NOX, CO2, AND CH4 EMISSIONS AND ENVIRONMENTAL RISK

(STEF92 Technology, 2026, Lautaru Vlad, Alexandru Gireada, Sorin Simion, Alin Irimia, Andrei Gireada)

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The coal mining waste dump of Petrila in the Jiu Valley, Romania, represents a significant source of environmental hazards due to spontaneous combustion of coal residues. This study investigates the generation of nitrogen oxides (NO, NO2, and NOX), carbon dioxide (CO2), and methane (CH4) from the Petrila dump, focusing on their correlation with self-heating phenomena and internal temperature variations. Field observations were conducted on the dump, recording signs of surface smoke, elevated temperatures, and othe...

Air Pollution and Climate Change2026
SWS 2026 Conference Preprints
Publication

STAGES OF ENGINE RUN-UP TIME MODELING USING AI

(STEF92 Technology, 2026, Piotr Kardasz, Aleksander Jaworski, Ewa Kardasz, Simeon Iliev, Georgi Kadikyanov)

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This paper presents a theoretical analysis of the application of artificial neural networks for modeling the run-up time of combustion engines. Engine run-up time is defined as the period required for the crankshaft rotational speed to increase from an initial state to a specified operating level. The process is influenced by numerous nonlinear physical and chemical phenomena, including fuel properties, combustion dynamics, mechanical inertia, and operating conditions. Due to the complexity of these interactions, ...

Geoinformatics2026
SWS 2026 Conference Preprints
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STRATEGIC ANALYSIS OF THE DIGITALIZATION TECHNOLOGY WIDESPREAD APPLYCATION IN THE AGRICULTURAL SECTOR

(STEF92 Technology, 2026, Attila Gabor Ferencz, Anita Csiba, Zsuzsanna Deak, Arpad Ferencz)

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The prioritised tasks of the Common Agricultural Policy include sustainable agricultural production and improving food chain safety. Achieving this requires knowledge transfer, innovation and financing. The production and processing of agricultural products today take place in line with the objectives set by the Common Agricultural Policy for the post-2020 period. Among these, the horizontal objective often referred to as the tenth objective permeating all other areas is “Knowledge management and innovation,” ...

Environmental Economics2026
SWS 2026 Conference Preprints
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STRATEGIC RESILIENCE OF CRITICAL ENERGY INFRASTRUCTURE IN THE CZECH REPUBLIC: ANALYSIS OF HYBRID THREATS AND DESIGN OF PROTECTIVE MEASURES

(STEF92 Technology, 2026, Daniel Doktor, Zdenek Hon, Miroslava Kozlova, Martin Hrinko)

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This case study addresses the increasing vulnerability of critical energy infrastructure in the Czech Republic to hybrid and physical attacks within the context of current escalating geopolitical tensions in Europe. The objective of the paper is to analyze the long-term trends of these threats and to answer the main research question: What political, organizational, and technological instruments can optimally protect Czech critical energy infrastructure from evolving hybrid and physical threats? The research utili...

Environmental Legislation, Multilateral Relations and Funding Opportunities2026
SWS 2026 Conference Preprints
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STRENGTHENING OF THE PAVEMENT STRUCTURE WITH A THIN REINFORCED CEMENT CONCRETE SLAB

(STEF92 Technology, 2026, Andrea Zuzulova, Dominika Glasnakova, Jakub Takacs, Barbora Medelska)

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Repairs of cement concrete pavements are among the most demanding technological operations in road construction and therefore require increased attention. Repairs of less damaged cement concrete pavements are usually made using plastic mortars, epoxy and polyester resins or special materials. The economics of the repair, or the strengthening of damaged cement concrete pavements, is tied to the technical and technological problems of interaction with asphalt layers. Thin reinforced cement concrete slab is a method ...

Environmental Economics2026
SWS 2026 Conference Preprints
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STUDIES ON SPECIES DYNAMICS IN U.A. 11 D, UNIT OF PRODUCTION IV CHEVERES

(STEF92 Technology, 2026, Maria Mihaela Moatar, PETRU IOAN DRAGOMIR, Carolina Stefan, PETRE ALEXANDRU PANICI, DANIELA NICOLETA SCEDEI)

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The complex processes of forest regeneration are important within the overall framework of forest measures aimed at establishing and maintaining forest vegetation, ensuring the continuity of timber production, and, not least, strengthening the ecological stability of forests. The importance of this paper lies in monitoring the artificial regeneration of species in lowland areas. The aim of this study is to analyze the evolution of species in the plantations established in 2014 within U.P. IV Cheveres, Lunca Timisu...

Forest Ecosystems2026
SWS 2026 Conference Preprints
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STUDY OF PHYSICO-CHEMICAL PROCESSES IN POLYMER AND LAVSAN FILMS IRRADIATED WITH ELECTRONS

(STEF92 Technology, 2026, Gulmira Yar-Mukhamedova, Abyl Murdadov, Kanat Mukasev, William Yi Wang, Sanat Shiderov)

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We studied polyimide and lavsan films after exposure to varying doses of electron irradiation, mechanical loading, and temperature. It was found that at the first stage of mechanical loading, up to 1 MPa. A similar sharp increase in the relative elongation of the films by 3% was observed. This is due to the rotation of globules and the straightening of macromolecular chains in the material along the direction of the applied load. The dependence of the absorption coefficient on the wavelength per unit path length i...

Micro and Nano Technologies2026
SWS 2026 Conference Preprints
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STUDY OF THE HYDRAULIC PARAMETERS OF A SELF-CLEANING SEWAGE OVERFLOW IN SIMILAR TO REAL-TIME CONDITIONS

(STEF92 Technology, 2026, Stanislav Darachev)

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Sewerage, as a system designed to collect and discharge wastewater, also receives many other incidental objects, defined as sludge. Their removal from the network is usually carried out in the wastewater treatment plant (WWTP), where they are removed by known methods. However, this does not offer a solution for solid sludge, as it causes blockage in the network. Such a solution could be the modification of a well-known wastewater overflow into a new type of structure, known as a self-cleaning overflow. For this pu...

Hydrology and Water Resources2026
SWS 2026 Conference Preprints
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STUDY OF THE KINETIC OF BIOCATALYTIC REACTIONS USING MAGNETICALLY SEPARABLE OXIDOREDUCTASES

(STEF92 Technology, 2026, Olga Grebennikova, Aleksandrina Sulman, Alyona Sokolova, Boris Tikhonov, Valentina Matveeva)

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Oxidoreductase enzymes play a key role in modern biotechnology due to their high specificity and ability to catalyze redox processes under mild conditions. They are used in environmental monitoring, biosensor development, and fine organic synthesis. However, their practical use in their native form is limited by their low stability, sensitivity to environmental changes, and the inability to re-extract from the reaction mixture. Immobilizing enzymes on various carriers can solve these problems. Magnetic nanoparticl...

Advances in Biotechnology2026
SWS 2026 Conference Preprints
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STUDY OF THE PROCESS OF THERMAL DESTRUCTION OF PLASTIC WASTE OF ETHYLENE COPOLYMERS

(STEF92 Technology, 2026, Kirill Chalov, Yury Lugovoy, Margarita Monzharenko, Mikhail Sulman)

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With the rapid growth of polymer consumption, the issue of efficient recycling and disposal of plastic waste is becoming increasingly pressing. One promising approach is thermal degradation (pyrolysis), which yields valuable hydrocarbon products [1]. Of particular interest is the recycling of polyethylene with increased thermal stability (PE-RT) with the addition of octylene-1. This material combines thermal stability, mechanical strength, flexibility, chemical resistance, and processability, making it a highly ef...

Recycling2026
SWS 2026 Conference Preprints
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STUDY OF THERMAL AND CHEMICAL STABILITY OF AMORPHOUS AROMATIC POLYMERS ?? SUPPORTS FOR PALLADIUM CATALYSTS

(STEF92 Technology, 2026, Linda Nikoshvili, Elena Bakhvalova, Valentina Matveeva)

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Amorphous aromatic polymers synthesized by the knitting method are promising supports in catalysis, since they have high porosity (up to about 1000 m2/g) and can be synthesized by the simple one-step procedure using a variety of available aromatic monomers [1-4]. In catalysis, the stability of active phase is typically discussed, while the stability of polymeric support remains outside the scope. At the same time, many reactions require high temperature or application of strong acids or bases. In this work, a seri...

Renewable Energy Sources and Clean Technologies2026
SWS 2026 Conference Preprints
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SURVEYING OF SACRED BUILDINGS AND CREATION OF THEIR DOCUMENTATION WITH AUTOMATED SUPPORT

(STEF92 Technology, 2026, Dalibor Bartonek, Jiri Bujres, Odrej Vystavel)

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The aim of the article is to present modern geodetic methods used for surveying sacral buildings. These are terrestrial surveying, photogrammetry and drone images. When surveying the building, the digital sketch method was used, which, in addition to the geometry, also captures the topology of the resulting drawing of the surveyed object. The benefit of this method is the automated drawing of a wireframe model of the building in a CAD application. The platform used is QGIS with Python language support. The advanta...

Geodesy and Mine Surveying2026
SWS 2026 Conference Preprints
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SUSTAINABILITY AND SAFETY IN RURAL AREAS: AN ANALYSIS OF CRIME DYNAMICS AND SOCIO-ECONOMIC DEVELOPMENT

(STEF92 Technology, 2026, Igor Scutaru, Maria Magdalena Turek Rahoveanu)

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We are currently witnessing a period in which the issues of crime and safety in rural areas are gaining increasing relevance in the context of socio-economic transformations and pressures on agricultural systems and rural communities. Accordingly, the dynamics of this phenomenon are closely linked to factors such as the structure of the labour market, social capital, public policies, the level of economic development, and access to resources and infrastructure. At the same time, the interaction between agriculture...

Environmental Economics2026
SWS 2026 Conference Preprints
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SUSTAINABILITY CHALLENGES IN UNDERGROUND COAL MINING: A REVIEW OF BANGLADESH??S ALIGNMENT WITH THE SUSTAINABLE DEVELOPMENT GOALS FRAMEWORK

(STEF92 Technology, 2026, Mohammad Forrukh Hossain Khan Khan, Istiak Ahmed)

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Underground coal mining (UCM) is a key component of Bangladesh’s energy sector, particularly for electricity generation, with major reserves in Barapukuria, Phulbari, and Khalashpir. However, its sustainability is constrained by land subsidence, groundwater degradation, soil deterioration, and biodiversity loss, especially habitat fragmentation. These impacts are intensified by longwall mining practices with inadequate ground control and insufficient post-mining land rehabilitation. As a result, aligning coal mi...

Exploration and Mining2026
SWS 2026 Conference Preprints
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SUSTAINABLE PRODUCTION AND CONSUMPTION IN THE GRAPE AND WINE SECTOR

(STEF92 Technology, 2026, Anita Csiba, Attila Gabor Ferencz, Viktor Jozsef Vojnich, Zsuzsanna Deak, Arpad Ferencz)

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In this study, we examine the sustainable production and consumption of wine products. We aim to determine whether respondents consume non-alcoholic or other value-added products and, in the case of value-added products, which characteristics are important to them. When identifying directions for product development, it is also essential to assess whether consumers are willing to pay more for such products and, if so, what price they consider realistic for products with their preferred characteristics. Our researc...

Environmental Economics2026
SWS 2026 Conference Preprints
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SUSTAINABLE PUBLIC SPACE DESIGN AND SOCIAL INTERACTION IN CITIES

(STEF92 Technology, 2026, Nadezhda Zhechkova, Kliment Naydenov)

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Sustainable public space design has become a central concern in contemporary urban planning as cities face increasing pressures from rapid urbanization, social fragmentation, climate change, and demographic transformation. Public spaces, including parks, squares, streets, pedestrian zones, waterfronts, and community gathering areas play a critical role in fostering social interaction, civic engagement, environmental quality, and urban resilience. Their design directly influences the inclusiveness, accessibility, a...

Environmental Economics2026
SWS 2026 Conference Preprints
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SUSTAINABLE REFORMULATION STRATEGIES FOR IMPROVING THE NUTRITIONAL PROFILE OF ARTISANAL PORK PATE

(STEF92 Technology, 2026, Corina Iuliana Megyesi, Gabriel Stelian Bujanca, Ariana Bianca Velciov, Mariana Atena Poiana, Laura Radulescu)

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In recent years, growing consumer interest in traditional and minimally processed foods has encouraged the development of artisanal meat products with improved nutritional characteristics. Among these, pork pate remains a widely consumed product whose quality is strongly influenced by formulation and raw material selection. The sustainable use of animal-derived resources, including nutrient-rich organs, has gained increasing relevance in food production, as these materials are still insufficiently valorized, their...

Advances in Biotechnology2026
SWS 2026 Conference Preprints
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SUSTAINABLE SOIL MANAGEMENT SOLUTIONS: ECONOMIC RETURNS AND ENVIRONMENTAL IMPACTS OF LIMING IN LATVIA

(STEF92 Technology, 2026, Irina Pilvere, Aina Muska, Liga Proskina, Ilze Upite, Aija Pilvere)

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Soil liming is an essential component of sustainable soil management, affecting both crop yields, nutrient uptake efficiency, and environmental quality. Therefore, the research aims to assess the economic and environmental efficiency of soil liming in Latvia. This research compared the economic and environmental efficiency of crushed lime and limestone flour in Latvia, analysing the costs, benefits, and impacts of a six-year liming cycle on greenhouse gas (GHG) emissions and phosphorus leaching. The research resul...

Soils2026
SWS 2026 Conference Preprints
Publication

SUSTAINABLE STRUCTURAL DESIGN OF A HYPERLOOP POD FOR FUTURE HIGH-SPEED TRANSPORTATION SYSTEMS

(STEF92 Technology, 2026, Szymon Lisak, Lukasz Wiwatowski)

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The development of sustainable and energy-efficient transportation systems has become an important aspect of modern urban planning and future smart mobility concepts. This project presents the initial structural design work carried out for a Hyperloop pod intended to operate in a low-pressure transportation environment as part of an innovative high-speed transport system. The research focused on the development of two alternative load-bearing frame concepts: a welded steel structure and a modular aluminum structur...

Green Design and Sustainable Architecture2026
SWS 2026 Conference Preprints
Publication

SUSTAINABLE VALORIZATION OF ONION PEEL WASTE THROUGH GREEN SYNTHESIS OF IRON OXIDE NANOPARTICLES FOR ENVIRONMENTAL APPLICATIONS

(STEF92 Technology, 2026, Sofia POPESCU, Mihaela-Maria STANCIUGELU, Anisoara Ienciu, Lia Sanda Rotariu, Dan MANEA)

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The increasing amounts of agro-food waste generated globally represent a major challenge for environmental protection and sustainable development. Among these, onion peels resulting from processing, storage, and commercialization constitute an important source of bioactive compounds such as flavonoids, polyphenols, quercetin, and sulfur-containing compounds, with high potential for valorization in the field of green nanotechnologies. The study aims to valorize the extract obtained from onion peels in the green syn...

Micro and Nano Technologies2026
SWS 2026 Conference Preprints
Publication

THE AIR TEMPERATURE PROFILE ABOVE THE NON-GREEN AND GREEN FLAT ROOF OF LARGE BUILDING AND ITS IMPACT ON THE ENERGY EFFICIENCY OF ROOFTOP HVAC UNIT

(STEF92 Technology, 2026, Martin Kovac)

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Two variants of roof construction were compared. It is a non-green roof and the extensive green roof. The analysis of surface temperature of flat roof was provided by the simulation in DesignBUILDER v7. The surface temperature of extensive green roof was lower up to 28 K in comparison with the non-green roof. The results from DesignBUILDER were used as data input for the CFD model in ANSYS CFX. The results from CFD model showed that the outside air temperature close to the surface of non-green roof can rise to 3.7...

Green Design and Sustainable Architecture2026
SWS 2026 Conference Preprints
Publication

THE CONNECTION BETWEEN PROPERTIES OF SOIL, TREE STAND AND GROUND COVER VEGETATION IN SCOTS PINE (PINUS SYLVESTRIS L.) STAND IN HYLOCOMIOSA FOREST SITE TYPE IN LATVIA

(STEF92 Technology, 2026, Aigars Indriksons, Gustavs Davids Vecmanis)

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In spite that the Hylocomiosa is the second most widespread forest site type in Latvia, the correlations between soil properties, stand structure and ground cover vegetation remain insufficiently studied. The hypothesis of soil heterogeneity within a single forest site type was in ground to research the connection between the woody and ground cover vegetation and the soil parameters within the area of single forest sub quarter. The research was conducted in a young growth of Scots pine, which was characterized usi...

Forest Ecosystems2026
SWS 2026 Conference Preprints
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THE FACTORS INFLUENCING THE WIND DAMAGE IN FOREST STANDS OF TERVETE NATURE PARK IN LATVIA

(STEF92 Technology, 2026, Sandija Hartmane, Aigars Indriksons)

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Wind damage causes tree uprooting and breakage, so significantly altering the forest stand structure and stability. The Tervete Nature Park is one of the most important recreational forests in Latvia. However, storms over the last three years have changed the structure of the forest stands in park. Therefore, it is necessary to analyze the amount of wind damage and the factors influencing it in forest stands. Fieldwork included the inventory of uprooted and broken trees along a transect line, recording dendrometri...

Forest Ecosystems2026
SWS 2026 Conference Preprints
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THE IMPACT OF FORECASTING ON SUSTAINABLE HUMAN CAPITAL IN THE ENERGY SECTOR

(STEF92 Technology, 2026, Una Libkovska, Rimants Jelinsks, Zane Zonberga, Monta Ansica, Liene Resele-Dusele)

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Sustainability in the energy sector depends not only on technological change and renewable energy development, but also on the capacity to ensure an adaptable and future-oriented workforce. Although forecasting methods are widely used in operational workforce planning, their role in supporting sustainable human capital development remains insufficiently explored. The aim of this study is to assess how forecasting-based approaches can support sustainable human capital development in the energy sector by identifying...

Environmental Economics2026
SWS 2026 Conference Preprints
Publication

THE MAPPING OF MATERIAL PROPERTIES OF HISTORICAL MORTARS FOR SUSTAINABLE REPAIRS

(STEF92 Technology, 2026, Jaroslav Pokorny, Jan Fort, Lenka Scheinherrova, David Javorsky)

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Historical and old buildings with their distinctively decorated facades constitute an integral part of city centers or villages and create unique architecture. Most of these important buildings are attacked by refurbishment interventions with the use of incompatible modern rendering materials affecting appear of facades and causing their different service life-related problems. To ensure material compatibility between historical rendering materials and newly prepared alternatives requires special attention. Techni...

Green Buildings Technologies and Materials2026
SWS 2026 Conference Preprints
Publication

THE PHASE-OUT OF ROMANIAN COAL MINING AND ENERGY POVERTY

(STEF92 Technology, 2026, Cristian Tomescu, Ion Gherghe, Florin Radoi, Marius Morar, Sorina Stanila)

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One of the most complex structural transformation processes currently unfolding in Europe is the phase-out of coal mining and coal-fired power generation. This transition is embedded within the broader framework of international and European climate commitments and the ongoing energy transition, particularly under the environmental policies promoted by the European Union and the European Green Deal. The process entails profound economic, social, technical, and geopolitical implications, especially for single-indus...

Exploration and Mining2026
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