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Mercury in marine fish, mammals, seabirds, and human hair in the coastal zone of the southern Baltic
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Decolorisation of Methylene Blue with Sodium Persulfate Activated with Visible Light in the Presence of Glucose and Sucrose
PublikacjaThe paper presents the results of research on the methylene blue (MB) degradation with sodium persulfate (PDS) activated with visible light (Vis) in the presence of glucose and sucrose. The following test were examined: absence and presence of sugars in concentrations of 50–300 mM, presence and absence of Vis radiation, pH of the model solution (6.0–12.0), identification of free radicals, kinetics of the pseudo-first-order reaction....
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Comparison of Photocatalytic and Photosensitized Oxidation of Paraben Aqueous Solutions Under Sunlight
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Screening of Microorganisms for Biodegradation of Simazine Pollution (Obsolete Pesticide Azotop 50 WP)
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Visible Light–Driven Advanced Oxidation Processes to Remove Emerging Contaminants from Water and Wastewater: a Review
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Evaluation of specific capacity of poultry litter in heavy metal sorption
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Remediation of Polycyclic Aromatic Hydrocarbons Contaminated Soil Using Combined Ozonation and Peroxy-Acid Treatment in the Site of Abadan Oil Refinery
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Pesticides in precipitation from an urban region in Poland (Gdańsk-Sopot-Gdynia Tricity) between 1998 and 2000.
PublikacjaOznaczano wybrane pestycydy chloro-, azoto- i fosforoorganiczne w próbkach opadów zbieranych w 10 punktach w rejonie Gdańska w latach 1998-2000. Do najczęściej wykrywanych pestycydów należy zaliczyć symazynę, atrazynę, propazynę, fenitrotion, chlorofenwinfos, p,p`-DDT, o,p`-DDE, o,p`-DDD. Największe stężenia występowały w okresach aplikacji preparatów. Znaczący wpływ na stężenie pestycydów miała wielkość obszarów zielonych...
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Odour Samples Degradation During Detention in Tedlar® Bags
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Substance Flow Analysis of Mercury Affecting Water Quality in the European Union
PublikacjaW pracy zastosowano metodę SFA (Substance Flow Analysis) do oceny źródeł transportu i składowania rtęci w wodzie na terenie UE. W wyniku analizy stopnia zanieczyszczenia środowiska w przeszłości jak i scenariuszy zmian tego zanieczyszczenia w przyszłości stwierdzono, że spalanie paliw zawierających rtęć, takich jak węgiel i olej stanowi główne źródło zanieczyszczenia wody rtęcią.
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Toxicity Assessment by Microtox® in Sediments, Pore Waters and Sediment Saline Elutriates in the Gulf of Gdansk (Baltic Sea)
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The Impact of Dredging Deep Pits on Organic Matter Decomposition in Sediments
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Zinc Removal from the Aqueous Solutions by the Chemically Modified Biosorbents
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Stimulation of Heavy Metal Adsorption Process by Using a Strong Magnetic Field
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Investigating the Interaction Between Streptomyces sp. and Titania/Silica Nanospheres
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Adsorption Kinetics of Acid Dye Acid Red 88 onto Magnetic Multi‐Walled Carbon Nanotubes‐Fe3C Nanocomposite
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Application of Nanomaterials for Cadmium Adsorption for Sustainable Treatment of Wastewater: a Review
PublikacjaMany heavy metals, particularly cadmium, are detrimental to both people and the environment when present in large quantities. In wastewater treatment plants, several conventional approaches are employed for cadmium abatement to restore the ecosystem, food supplies, and health of people and animals. Ion exchange, coagulation, membrane filtration, and chemical precipitation are a few examples of ways for removing heavy metals from...
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Progressing Pollutant Elution from Snowpack and Evolution of its Physicochemical Properties During Melting Period— a Case Study From the Sudetes, Poland
PublikacjaMain aim of the work assumed recognition of physicochemical changes in snowpack occurring during the melting period. Properties of snow cover had been identified at two sites in Western Sudetes mountains (860 and 1228 m asl) in SW Poland since the end of January, and monitored until the disappearance of snow in late Spring. Snow pit measurements and sample collection at both sites were made followed by chemical analyses with the...
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Isolation and Characterization of Phenol-Degrading Psychrotolerant Yeasts
PublikacjaIn this study, the potential of selected psychrotolerant yeast strains for phenol biodegradation was studied. From 39 strains isolated from soil and water samples from Rucianka peat bog, three psychrotolerant yeast strains: A011, B021 and L012 showed the ability to phenol degradation. The result shows that all three yeast strains could degrade phenol at 500 mg l-1 and 750 mg l-1 concentration, whereas strains A011 and L012 could...
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Numerical modelling of different airbag folding patterns and their influence on occupant responses in frontal vehicle impact
PublikacjaThis paper presented a procedure for airbag folding for the application in occupant safety studies and analysed the influence of different airbag folding patterns on the occupant severity in frontal impact. Airbags were folded in two patterns: zig-zag and top-roll, using two folding techniques: Initial Metric Method and Explicit Folding. The explicit folding was found to be more expensive in terms of preparation time. However,...
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Fatigue of Aircraft Structures
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Nasal nitric oxide in upper airways in children with asthma and allergic rhinitis
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The Touristification of Italian Historic City Centres: The Lesson for Central Europe about the Airbnb Eruption
PublikacjaThe unparalleled scale of the recent growth in tourism – the rise of the number of temporary visitors – could not have emerged without the impact on other socio‑economic aspects, namely, a change on the part of the destinations. Especially historic city centres are vulnerable to such an impact that could be manifested through diverse transformations of public space usage, housing market economics, availability of services, employment...
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WETI - AiR gr.1, gr.3, EiT gr.1, gr.2 - Matematyka 2018/19 (D. Grott)
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Determination of flow properties of a pneumatic hose from changes in air pressure in a tank being emptied or filled by a differently configured pneumatic line
Dane BadawczeThe aim of the study was to determine the flow properties of various pneumatic hoses. The experiments were to measure the pressure changes in a being filled or emptied tank for a differently configured pneumatic line, including pneumatic hoses of different length and diameter. Three test configurations were used: (1) pressure source -> pneumatic...
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The Analysis of Patients' Airflow with Respect to Early Detection of Sleep Apnea
PublikacjaThe paper discusses the analysis of the respiratory events of sleep apnea patients. The analysis was carried out on the basis of the patient's airflow. As a result of the conducted analysis we proposed an algorithm which establishes an individual respiratory pattern for each subject. The algorithm could be implemented in the measurement - control system which manages the prosthetic device applying positive airway pressure. Its...
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Nowe obszary zastosowań reaktorów typy airlift. z.
PublikacjaPrzedyskutowano zastosowanie reaktorów typu airlift: do biodegradacji substancji organicznych w obecności bakterii immobilizowanych na cząstkach stałych tworzących w reaktorze warstwę fluidalną, do katalitycznego uwodornienia tłuszczów oraz do otrzymywania mikrocząsteczek stałych przy użyciu gazu pełniącego dwojaką rolę tj. reagenta oraz czynnika decydującego o hydrodynamice reaktora.
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Comparison of video laryngoscopy and Macintosh direct laryngoscopy for airway management
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Toxicity and chemical analyses of airport runoff waters in Poland
PublikacjaThe aim of this study was to assess the ecotoxicological effects of various compounds in complex airport effluents using a chemical and ecotoxicological integrated strategy. The present work deals with the determination of sum of PCBs, PAHs, pesticides, cations, anions, phenols, anionic, cationic, non-ionic detergents, formaldehyde and metals – as well as TOC and conductivity – in runoff water samples collected from 2009 to 2011...
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Abandoned luggage detection - scenarios at Poznan-Lawica airport
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A framework for automatic detection of abandoned luggage in airport terminal
PublikacjaA framework for automatic detection of events in a video stream transmitted from a monitoring system is presented. The framework is based on the widely used background subtraction and object tracking algorithms. The authors elaborated an algorithm for detection of left and removed objects based on mor-phological processing and edge detection. The event detection algorithm collects and analyzes data of all the moving objects in...
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INCREASING THE COUNTRY'S SECURITY AND PUBLIC TRANSPORT ACCESSIBILITY BY CREATING A NETWORK OF SMALL AIRPORTS
PublikacjaIt has been shown that by creating a network of small airports, it is possible to increase the communication accessibility of large population groups and the country's security, including safety at sea. The airports mentioned above may also be located on land considered to be weak from an engineering point of view. These include, for example, wetlands, swamps, flood embankments, poor coastal belt grounds, and reclaimed land. A...
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Lead Airgun Projectiles Inside the Maxillary Sinuses—Therapeutic Approaches through the Years: A Systematic Review of Case Reports
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Comparison of ETView SL, Airtraq, and Macintosh laryngoscopes for face-to-face tracheal intubation: a randomized crossover manikin trial
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A Dual-Polarized 39 GHz 4x4 Microstrip Antenna Array for 5G MU-MIMO Airflight Cabin Connectivity
PublikacjaThis paper presents the design, fabrication, and experimental validation of a 39 GHz dual-polarized 4x4 microstrip antenna array. The array consists of 16 slot coupled circular microstrip patches, fed through SMPS connectors. The procedure requiring a reduced number of cables for measurement of the uniformly excited antenna array is also presented. The array exhibits 18 dBi peak gain and 2.9 GHz reflection bandwidth and is intended...
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Long term measurements of PM1, PM2.5, PM10 and NO2 in open-air at Gdansk (Poland) area using low-cost sensors together with the reference results
Dane BadawczeThe measurements results of open-air measurements made using the following low-cost sensors: particulate matter (PM) sensor SPS30 from Sensirion, NO2 electrochemical sensor SGX-7NO2 from SGX Sensortech, NO2 electrochemical sensor 7E4-NO2 from SemaTech, compact MOS air quality sensor MiCS 2714 from SGX Sensortech, BME280 (Bosch) environmental sensor...
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In Reference to Voice, Swallow and Airway Outcomes Following Tracheostomy for COVID-19
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Substrate specificity and inhibitory study of human airway trypsin-like protease
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Blind intubation through the supraglottic airway laryngopharyngeal tube with a biohazard suit
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Korzystne cechy bioreaktora airlift z odwrotną warstwą fluidalną
PublikacjaZbadano wpływ parametrów procesowych i właściwości fizykochemicznych na wynik i czas procesu biodegradacji ketonów w roztworach wodnych. Stosowano kultury bakterii A. Calcoaceticus. Stwierdzono wzrost czasu biodegradacji ze wzrostem początkowego stężenia ketonów oraz ze wzrostem pH w roztworach alkalicznych.
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Hydrodynamic studies in magnetically assisted external-loop airlift reactor
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Studium wybranych właściwości radiowej sieci dostępowej AIRSPAN z dynamicznym przydziałem kanału (Wersja 1.0)
PublikacjaPrzeanalizowano właściwości radiowej sieci dostępowej Airspan z dynamicznym przydziałem. W oparciu o przeprowadzone badania instalacji pilotażowej dokonano oceny systemu w oparciu o wymagania Ministerstwa Łączności dotyczące radiowych systemów dostępowych.
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Particle Image Velocimetry Measurements of Airflow in Electrohydrodynamic Device for Dust Particle Collection
PublikacjaIn this paper the pumping effect of air in the electrohydrodynamic (EHD) device for dust particle collection is presented. To induce an airflow in this EHD device corona discharge was used. The discharge was generated between the one-sided spike electrodes and the plate electrodes. The asymmetric electric field and generated discharge resulted in a unidirectional airflow through the EHD device. The current-voltage characteristics...
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Potential Toxic Effects of Airport Runoff Water Samples on the Environment
PublikacjaDespite the positive aspects of the intensive development of aviation, airports are considered large-scale polluters. Pollution caused by runoff water (stormwater) is one of the major problems related to airport operations. The aim of this study was to characterize the potential toxic impact on aquatic life from runoff water discharges from four international airports in Europe. Samples of stormwater were collected at airports...
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Across-shift changes in upper airways after exposure to bacterial cell wall components
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Vertex (Buenos Aires, Argentina)
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Occupational exposure to anaerobic bacteria in a waste sorting plant
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Validation of odor concentration from mechanical-biological treatment piles using static chamber and wind tunnel with different wind speed values
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A comparative study of the performance of passive samplers
PublikacjaPodstawowym celem podjętych badań było porównanie pracy dozymetrów pasywnych wykorzystywanych na etapie izolacji i wzbogacania lotnych związków organicznych z powietrza atmosferycznego na terenie aglomeracji Trójmiejskiej. Jako próbniki do pobierania próbek analitów zastosowano komercyjne dozymetry pasywne typu dyfuzyjnego (Radiello i Orsa 5) oraz dozymetry typu permeacyjnego własnej konstrukcji wyposażone w półprzepuszczalną membranę...
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Comparative Analysis of Numerical and Experimental Studies of the Airflow Around the Sample of Urban Development
PublikacjaIn this paper, on the background of a short overview of the recent advances in the field of Environmental Wind Engineering (EWE), a comparison of wind tunnel experiment and numerical simulation for some cases of airflow around an urban layout have been reported. The purpose of the study is quantitative and qualitative comparison of measurements in the wind tunnel as well as numerical simulation using Ansys Fluent software. The...