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Search results for: SWAT MODEL, LAND USE CHANGE, NUTRIENT RUNOFF, PESTICIDE RUNOFF, CATCHMENT HYDROLOGY, BALTIC EUTROPHICATION, WATERPUCK PROJECT, FERTILIZER, PUCK BAY
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The use of fungi in biofiltration to remove hydrophobic volatile organic compounds
PublicationThe growing importance placed on air quality by environmental regulations and public opinion necessitate the minimization and removal of volatile organic compound emissions (VOCs), including odours. The removal of hydrophobic VOCs from the air by biological methods remains a major technical challenge (despite its importance in the shift to green engineering). A potential solution to this challenge is the use of fungi in biofiltration....
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Examination of the factors influencing binaural rendering on headphones with the use of directivity patterns
PublicationThis paper presents a study on the influence of the directional sound sources with the use of the directivity patterns. This contribution also includes a comparison to the work done by Wendt et al., where several directivity pattern designs used to gradually control the auditory source distance in a room were showed. While the tests of Wendt et al. were done by auralizing source and room using a loudspeaker ring in an anechoic...
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The use of Kamienna głowa cabbage species for phytoextraction of zinc and cadmium from the soil
PublicationAlthough traditional technologies for cleaning contaminated soils have proven to be efficient, they are usually expensive, labor intensive, and in the case of soil, they produce severe disturbance. Most recently, the use of plants in metal extraction (phytoremediation) has appeared as a promising alternative in the removal of heavy metal excess from soil. Phytoremediation uses of plant for pollutant stabilization, extraction, degradation,...
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The microbial community, its biochemical potential, and the antimicrobial resistance of Enterococcus spp. in Arctic lakes under natural and anthropogenic impact (West Spitsbergen)
PublicationThe sustainable management of small human communities in the Arctic is challenging. In this study, both a water supply system (Lake 1) under the natural impact of a bird-nesting area, and a wastewater receiver (Lake 2) were analysed in the vicinity of the Polish Polar Station on West Spitsbergen. Microbial community composition, abundance and activity were assessed in samples of the treated wastewater, lake water and sediments...
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Daily Radiation Budget of the Baltic Sea Surface from Satellite Data
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Arsenic concentrations in Baltic Sea sediments close to chemical munitions dumpsites
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Wave-induced bedload transport – a study of the southern Baltic coastal zone
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Mercury in particulate matter over Polish zone of the southern Baltic Sea
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Sea-dumped ammunition as a possible source of mercury to the Baltic Sea sediments
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Assessment of river water quality in the South Baltic coast by multivariate techniques
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Rip currents in the southern Baltic Sea multi-bar nearshore zone
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Mercury in various components of the environment (Gulf of Gdańsk, southern Baltic Sea)
PublicationTotal mercury concentration was determined monthly form January 2012 to May 2013 in the water (microlayer and the surface), plankton, epilithon, epiphyton, benthos and sediment. The study was conducted in the coastal zone of the Gulf of Gdańsk. The abundance and biomass of plankton, benthos; the concentration of suspended particulate matter, particulate organic carbon and nitrogen; δ13C and δ15N in the suspended matter; sediment...
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Exposure status of sea-dumped chemical warfare agents in the Baltic Sea
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Deep sea habitats in the chemical warfare dumping areas of the Baltic Sea
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Spatiotemporal distribution of copepod populations in the Gulf of Gdansk (southern Baltic Sea)
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The Baltic Sea as a dumping site of chemical munitions and chemical warfare agents
PublicationW pracy przedstawiono problem składowania w Morzu Bałtyckim aminucji chemicznej i bojowych środków trujących. Przedstawiono typy oraz charakterystykę BST składowanych na dnie Morza Bałtyckiego. Omówiono potencjalne zagrożenia dla środowiska abiotytcznego oraz dla organizmów żywych związanych z tego typu składowiskami. Przedstawiono również podstawowe informacje o procedurach analitycznych, które mogą być wykorzystane do wykrywania...
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Problems of adapting Polish ports for ferry shipping services on the Baltic Sea
PublicationArtykuł zawiera analizę porównawczą największych terminali promowych na Bałtyku oraz terminali promowych położonych w części południowej i wschodniej Morza Baltyckiego, w tym w Polsce. W pracy przedstawiono również możliwości i kierunki rozwoju polskich terminali promowych.
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Monitoring of organic pollutants in coastal waters of the Gulf of Gdańsk, Southern Baltic.
PublicationPrzedstawiono zmiany zawartości zanieczyszczeń organicznych (np. VOC, PAH, PCB, chlorofenoli) w wodach Zatoki Gdańskiej na przestrzeni 5-ciu lat. Zawartość VOX i VOC zmieniała się od kilku ngdm-3 do kilkuset ngdm-3, podczas gdy zawartość chlorofenoli fenoksykwasów była na poziomie kilku ngdm-3. W większości próbek nie wykryto PCB.
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Determination of chlorophenols and phenoxyacid herbicides in the Gulf of Gdańsk, Southern Baltic Sea.
PublicationChlorofenole i kwasy fenoksyoctowe to dwie grupy zanieczyszczeń środowiska, obecne w wodach powierzchniowych. Kwasy fenoksyoctowe, ze względu na dobrą rozpuszczalność w wodzie, stosunkowo łatwo przedostają się do zbiorników wodnych i innych elementów środowiska. W ramach pracy postanowiono zbadać zawartość chlorofenolu i kwasów fenoksyoctowych oraz ich sezonowe zmiany w wodach ujścia Wisły i Zatoki Gdańskiej. Opracowano metodę...
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Impact of AI-Based Tools and Urban Big Data Analytics on the Design and Planning of Cities
PublicationWide access to large volumes of urban big data and artificial intelligence (AI)-based tools allow performing new analyses that were previously impossible due to the lack of data or their high aggregation. This paper aims to assess the possibilities of the use of urban big data analytics based on AI-related tools to support the design and planning of cities. To this end, the author introduces a conceptual framework to assess the...
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The association analysis for risk evaluation of significant delay occurrence in the completion date of construction project
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Implementation of an Interdisciplinary Educational Path Within "Glassworks in Pomerania Region, Crafts and Industry" Project
PublicationTeaching practical skills for work in field during academic lessons for students of geodesy and cartography and students of archaeology is crucial to prepare young students of the profession to participate in apprenticeships, professional realizations excavations and carry out their geodetic services. Another aspect of teaching of future archaeologists and surveyors working with them, is the ability to mutual understanding between...
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A COMPARISON OF THE WIND SPECTRUM ACCORDING TO DIFFERENT METHODS - AN ORIGINAL PROJECT OF A BUILDING ON A CLIFF IN GDYNIA
PublicationThe article presents numerical simulations of the dynamic wind loads on the structure of a building designed on a cliff in Gdynia. The results obtained from the two methods: Davenport’s and Karman’s are compared. The results allowed a comparison of the two methods, and they provided an answer to the question how a construction, designed in such an unusual condition of a cliff behaves under the influence of the gusting wind. The...
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A Model for Low Frequency Noise Generation in MOSFETs.
PublicationPrzedstawiono model generacji szumów małoczęstotliwosciowych tranzystora MOS. Model został użyty do symulacji szumów cienkotlenkowych tranzystorów MOS. Wyniki symulacji porównano z danymi pomiarowymi. Zaprezentowano sposób wykorzystania pomiarów szumów m.cz. do wyznaczania niektórych parametrów charakteryzujących tranzystory MOS.
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The risk of corporate bankruptcy - the conceptual model
PublicationThis article concerns the assessment of different types of risks influencing the corporate bankruptcy risk. The author has developed conceptual model that explains the causes and the trajectories of the collapse of enterprises. In the analyses such factors as demographic, financial, market, political and operational factors influencing the risk of failure were taken into account.
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New perspective on the in vivo use of cold stress dynamic thermography in integumental reconstruction with the use of skin-muscle flaps
PublicationAmong the problems encountered by plastic surgeons is the reconstruction of defects following tumors. One of the reconstructive options is TRAM flap. Despite that anatomy is well-explored, marginal flap necrosis may develop. To minimize complications imaging examinations was designed to determine the degree of flap perfusion. One of them is the thermographic examination.
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Vibration surveillance during milling of flexible details with a use of the optimal control
PublicationPraca dotyczy nadzorowania drgań podczas obróbki frezem kulistym zakrzywionych przedmiotów podatnych. Utworzono model hybrydowy niestacjonarnego układu drgającego i wydzielono podukłady: strukturalny, modalny oraz łączący. Istotnym zadaniem było utworzenie modelu przedmiotu podatnego w konwencji metody elementów skończonych oraz uzyskanie dobrej zgodności modelu z wynikami eksperymentalnej analizy modalnej obiektu rzeczywistego.
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Application of MARKAL model to optimisation of electricity generation structure in Poland in the long-term time horizon Part I - concept of the model
PublicationIn this paper, which inaugurates a series of papers on this subject, a concept is proposed of a power system development model with regard to the technological structure of electricity generation in Poland, in the long-term time perspective – until 2060. The model is based on the mathematical structure of the MARKAL optimization package. The paper presents a brief description of the tool used in the model research. In addition,...
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Developing Methodology for Model Tests of Floating Platforms in Low -Depth Towing Tank
PublicationThe paper presents two different methods of physical modeling of semi-submersible platform mooring system for research in low depth towing tank. The tested model was made in the scale of 1:100 resembling the "Thunder Horse" platform moored in the Gulf of Mexico at a depth of 1,920 m. Its mooring system consisted of 16 semi-taut mooring lines (chain-wire-chain) spaced starshape and attached at the bottom to suction piles. The tests...
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The lemniscate knowledge flow model
PublicationKnowledge is seen as one of the main resources for organizations providing knowledge-intensive services. Therefore, sharing and reusing are the main goals of modern knowledge management (KM) approach, driven by information and communication technologies (ICT). However, one can ask for the details in order to provide means and tools to design and deploy environment able to fulfil these two goals. We observed that occurred interactions...
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Model bezpieczeństwa statku morskiego.
PublicationBezpieczeństwo statku zależy istotnie od jego procesu eksploatacji. Proces ten zamodelowano jako semi-Markowowski. Fazostany procesu eksploatacji wywołują zapotrzebowanie na użytkowanie określonych systemów statku. Podczas realizacji procesów użytkowania tych systemów mogą powstawać zdarzenia niezdatności elementów technicznych i antropijnych, co może powodować wypadki morskie, czyli niespodziewane zdarzenia, których...
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Analysis by the Residual Method for Estimate Market Value of Land on the Areas with Mining Exploitation in Subsoil under Future New Building
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Castles and towns of the Teutonic Order in Chelmno Land: Environment, animals and plant subsistence. A new archaeological and geo-archaeological study
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Interference between Land and Sea Logistics Systems. Multifunctional Building System Design Towards Autonomous Integrated Transport Infrastructure
PublicationThe research is focused on developing design theory towards efficient multifunctional facilities for logistics supply chains in the contemporary urban city structures. The development of modern systems based on autonomous transport creates new conditions for their management and generates an emerging need to define dedicated functional service structures. An important element of consideration also taken into account is the scenario...
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Multilayer thermal model of healty and burned skin
PublicationW pracy przedstawiono spójny model cieplny skóry wraz z tkankami podskórnymi, na podstawie pomiarów "in vitro" na świni domowej. Model uwzględnia rozkład temperatury, przewodności cieplnej oraz efuzyjności i dyfuzyjności cieplnej w funkcji głębokości, zarówno dla skóry zdrowej jak i oparzonej.
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Towards a precise model of DSM economics
PublicationRozdział podejmuje zagadnienia związane z opłacalnością zastosowania metod dziedzinowych (ang. Domain-Specific Modeling). Omówiono cechy charakterystyczne metod dziedzinowych i powiązanej z nimi technologii. Przedstawiono model kosztów pokrywający koszty początkowe, koszty utrzymania oraz koszty i zyski powiązane z fazą wytwarzania z zastosowaniem automatyzacji. Zaprezentowano model referencyjny kosztów przy tradycyjnym wytwarzaniu...
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Morphology and internal structure of small-scale washovers formed in the coastal zone of the semi-enclosed tideless basin, Gulf of Gdańsk, Baltic Sea
PublicationThis study explores the morphological features and internal structure of small-scale washovers along the southeastern Baltic Sea coast, providing insights into these most widespread yet often neglected deposits in the recent research of geomorphological and sedimentary record of storm surges. A 15-year-long record of morphological changes of the coast was acquired from regional orthophotos to analyse their geometry and spatial...
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The antioxidant and antimicrobial properties of phenol-rich extracts of Dracocephalum forrestii W. W. Smith shoot cultures grown in the nutrient sprinkle bioreactor
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Nitrogen and phosphorus as the factors affecting ginsenoside production in hairy root cultures of Panax quinquefolium cultivated in shake flasks and nutrient sprinkle bioreactor
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AMO model for neuro-inclusive remote workplace
PublicationPurpose The aim of this article is to extend current debates on organizational equality, diversity and inclusion to a consideration of neurodivergence in the remote workplace context. Design/methodology/approach Drawing on the ability, motivation, and opportunity (AMO) model and an emerging strength-based approach to neurodiversity, this conceptual paper integrates research on neurodiversity at work and remote working to provide...
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The use of thin diamond films in fiber optic low-coherence interferometers”
PublicationIn this paper we present the use of thin diamond films in fiber-optic low-coherence interferometers. Two kinds of diamond surfaces were used: undoped diamond film and boron-doped diamond film. They were deposited on glass plates as well as silicon layers. A conventionally used mirror was used as a reference layer. Diamond films were deposited using Microwave Plasma Enhanced Chemical Vapour Deposition (μPE CVD) system. Measurements...
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Mapping negative unintended consequences of disruptive technologies use in smart cities
PublicationSmart cities governance (SCG) consists of both to foster technology-enabled innovation, and to utilize disruptive technologies (DT) outcomes and impacts to increase public value of urban services. Despite widespread discussion of DT benefits, scientific literature identifies multiple determinants of unintended negative consequences (UC) of DT deployment in smart city initiatives. By considering UC as the negative aspects resulting...
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An optimized dissolved oxygen concentration control in SBR with the use of adaptive and predictive control schemes
PublicationThis paper addresses the problem of optimizing control of the aeration process in a water resource recovery facility (WRRF) using sequencing batch reactor (SBR), one that affects the efficiency of wastewater treatment by stimulating metabolic reactions of microorganisms through dissolved oxygen (DO) level control, and accounts for the predominant part of operating costs. Two independent approaches to DO control algorithm design...
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Model of the Internet mortgage market optimization
PublicationThe Internet mortgages are currently a fast growing market, allowing selling mortgages cheaper andfaster than in the traditional methods such as in bank departments.Given the specificity of selling mortgages in the Internet, banks try to sell more mortgages by spendingmore money on advertising and paying higher commission to the brokers selling their products. It is important tooptimise the amounts of money in both sectors (the...
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HILS for the Design of Three-Wheeled Mobile Platform Motion Surveillance System with a Use of Energy Performance Index
PublicationCurrent tendency in mechatronic design requires the use of comprehensive development of an environment, which gives the possibility to prototype, design, simulate and integrate with dedicated hardware. The paper discusses the Hardware-In-the-Loop Simulations (HILS) mechatronic technique, used during the design of the surveillance system based on energy performance index. The presented test configuration (physical controller – emulated...
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A Climatic water balance variability during the growing season in Poland in the context of modern climate change
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THE IMPLICATIONS OF ECONOMIC DEVELOPMENT, CLIMATE CHANGE AND EUROPEAN WATER POLICY ON SURFACE WATER QUALITY THREATS
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Steady-state characteristics and dynamic response of the PEM fuel cell to unit step change of load
PublicationPodano opis układu zasilania opartego na dwóch ogniwach paliwowych typu PEM o łącznej mocy 2.4 kW. Zaprezentowano wybrane charakterystyki statyczne i dynamiczne układu.
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Is data management a new “digitisation”? A change of the role of librarians in the context of changing academic libraries’ tasks
PublicationAcademic libraries’ tasks have been evolving over the years. The changes have been stimulated by appearing of electronic resources, automated library systems, digital libraries and Open Access (OA) repositories. Librarians’ tasks and responsibilities in the academic environment have been evolving in accordance with new tasks they were expected to assume. A few years ago there was a discussion during which an attempt was made to...
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Computationally-efficient design optimisation of antennas by accelerated gradient search with sensitivity and design change monitoring
PublicationElectromagnetic (EM) simulation tools are of primary importance in the design of contemporary antennas. The necessity of accurate performance evaluation of complex structures is a reason why the final tuning of antenna dimensions, aimed at improvement of electrical and field characteristics, needs to be based on EM analysis. Design automation is highly desirable and can be achieved by coupling EM solvers with numerical optimisation...