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Wilms tumor - Female, 3 - Tissue image [5070730026186501]
Dane BadawczeThis is the histopathological image of KIDNEY tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Wilms tumor - Female, 3 - Tissue image [5070730026201391]
Dane BadawczeThis is the histopathological image of KIDNEY tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Wilms tumor - Female, 3 - Tissue image [5060730012982101]
Dane BadawczeThis is the histopathological image of KIDNEY tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Wilms tumor - Female, 3 - Tissue image [5060730012984051]
Dane BadawczeThis is the histopathological image of KIDNEY tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Wilms tumor - Female, 3 - Tissue image [5070730026202911]
Dane BadawczeThis is the histopathological image of KIDNEY tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Mucinous adenocarcinoma - Female, 67 - Tissue image [6280729578136861]
Dane BadawczeThis is the histopathological image of BREAST tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Fading modelling in dynamic off-body channels
Publikacja -
Preliminary performance evaluation of a high resolution small animal PET scanner with monolithic crystals and depth-of-interaction encoding
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Measurements of Path Loss in Off-Body Channels in Indoor Environments
PublikacjaThis paper presents a measurements of the path loss for validation of a statistical model for off-body radio channels in an indoor multipath environment, which considers the distance dependent mean path loss, and describes body shadowing and fast fading components in a statistical way. The measurement equipment and propagation indoor environment have been presented. Two different bodies and five static and two walking scenarios...
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Influence of User Mobility and Antenna Placement on System Loss in B2B Networks
PublikacjaIn this paper, the influence of user mobility and on-body antenna placement on system loss in body-to-body communications in indoor and outdoor environments and different mobility scenarios is studied, based on system loss measurements at 2.45 GHz. The novelty of this work lies on the proposal of a classification model to characterise the effect of user mobility and path visibility on system loss, allowing to identify the best...
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A Wideband Channel Model for Body Area Networks in Circular Metallic Indoor Environments
PublikacjaIn this paper, the wideband characterization of the propagation channel in circular metallic indoor environments is addressed, regarding Body Area Networks and 5G small cells, an analytical model for the dependence of the mean delay and the average delay spread on the circle radius, the working frequency and the distance between the transmitter and the receiver being proposed. The derivation of the model is initially done analytically,...
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Fading Modelling in Dynamic Off-Body Channels
PublikacjaThis paper presents an off-body fading channel model for Body Area Networks. The proposed model, based on both simulations and measurements at 2.45 GHz in a realistic indoor environment, consists of three components: mean path loss, body shadowing, and multipath fading. The first is modelled as a log function of distance, the path loss exponent being in between 0.4 and 1.6. A statistical perspective is taken for the other two components,...
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Fading Modelling in Dynamic Off-Body Channels
PublikacjaThis paper presents an off-body fading channel model for Body Area Networks (BANs) in indoor environments. The proposed model, which is based on both simulations and measurements in a realistic environment, consists of three components: mean path loss, body shadowing, and multipath fading. Seven scenarios in an indoor environment (a medium-size room with furniture, mostly consisting of wooden tables and chairs) have been measured:...
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EMPIRYCZNY MODEL TŁUMIENIA PROPAGACYJNEGO DLA SIECI WBAN TYPU OFF-BODY
PublikacjaW referacie przedstawiono wąskopasmowy empiryczny model tłumienia propagacyjnego dla sieci WBAN pracujących w środowisku wewnątrzbudynkowym przy częstotliwości 2,45 GHz.
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Bandwidth Dependence of the Propagation Channel in Circular Metallic BAN Environments
PublikacjaIn this paper, the bandwidth dependence of the propagation channel for Body Area Networks (BANs) in circular metallic environments is addressed and models are proposed to evaluate the appropriate short-term fading margins that should be considered as a function of the system bandwidth. The deployment of BANs in metallic indoor environments, such as ships, factories, warehouses and other similar environments, involves additional...
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Comparison of Mathematical Models of Torque Transmitted by Multi-disc Wet Clutch with Experimental Results
PublikacjaIn this article was described the methodology for the experimental study of flows in the prototype of a satellite hydraulic motor with a rotating body. The experimental tests of the motor were carried out at a low constant rotational speed in a wide range of pressure drop in this motor. The constant rotational speed of the motor was kept by a worm gear. Based on the test results, the leakage characteristics in the flat gaps of...
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Experimental Study of Flow Rate in Hydraulic Satellite Motor with the Rotating Case at a Low Constant Rotational Speed
PublikacjaIn this article was described the methodology for the experimental study of flows in the prototype of a satellite hydraulic motor with a rotating body. The experimental tests of the motor were carried out at a low constant rotational speed in a wide range of pressure drop in this motor. The constant rotational speed of the motor was kept by a worm gear. Based on the test results, the leakage characteristics in the flat gaps of...
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Społeczno-gospodarcza aktywizacja małych miast w powiecie braniewskim = SOCIO-ECONOMIC ACTIVATION OF TOWNS IN BRANIEWO DISTRICT
PublikacjaStreszczenie Okres ponad 20. lat działalności lokalnych samorządów w Polsce okazał się niewystarczający dla przeprowadzenia w małych miastach niezbędnych zmian społecznych, gospodarczych i przestrzennych. W tym czasie z trudem wzrastał poziom obywatelskiej świadomości, lokalnego partnerstwa i aktywności w życiu publicznym. Społeczności miały możliwość angażowania się w miejscowe działania i współdecydowania o sprawach rozwoju gospodarczego,...
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Morphology and properties of nanotubular oxide layer on the Ti13Zr13Nb alloy
PublikacjaThe Ti13Zr13Nb alloy in solid and porous form was oxidised. The constant voltage 20 V, oxidation time 0.5 and 1 h, and 1 M H3PO4 (orthophosphoric acid) with addition of HF (hydrofluoric acid) as a test solution were applied. SEM (Scanning Electron Microscope) examinations of surface, EDS (Energy Dispersive X-ray Spectroscopy) chemical analysis, nanohardness and nano-scratch tests, and corrosion potentiokinetic tests at various...
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Barkhausen noise properties measured by different methods for deformed Armco samples
PublikacjaPorównano właściwości sygnału napięciowego efektu Barkhausena (BN) uzyskanego za pomocą 'sondy punktowej' (użytecznej dla badań przemysłowych) oraz cewki otaczającej badany materiał. W pierwszej metodzie mierzono trzy wielkości: V1 - napięcie skuteczne, Nc - liczba impulsów, V2 - napięcie kontrolne z cewki. W drugiej metodzie z napięcia indukowanego w cewce wyznaczano pętlę histerezy B(H), obwiednie z napięcia skutecznego a także...
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Electrical conductivity of nanocrystalline Sm-doped CeO2 thin film.
PublikacjaGęste i nanokrystaliczne filmy tlenku ceru domieszkowane 20% samarem przygotowane na szafirze oraz próbki ceramiczne zostały przygotowane z prekursorów polimerowych. Ich konduktacja elektryczna była badana w funkcji temperatury i skorelowana z wielkością krystalitów. Model blokowo-warstwowy przewiduje mniejszą konduktacje próbki gdy wielkości krystalitów są mniejsze, w przypadku gdy rezystancja obszarów międzyziarnowych jest większa...
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Badania cech reologicznych mieszanek mineralno-asfaltowych podczas pełzania przy zginaniu w niskich temperaturach.
PublikacjaReferat przedstawia metodykę oraz wyniki badań cech reologicznych mieszanek mineralno-asfaltowych w zakresie temperatur od -10 st C do +20 st C. W badaniach wykorzystano metodę zginania belek obciążonych stałą siłą skupioną przyłożoną w środku rozpiętości belki. Zastosowano dwa typy mieszanek mineralno-asfaltowych: beton asfaltowy z asfaltem zwykłym i mastyks grysowy SMA z asfaltem modyfikowanym. Do wyznaczenia cech reologicznych...
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The Effects of Roadside Hazards on Road Accident Severity
PublikacjaThe risk of becoming involved in an accident emerges when elements of the transport system do not operate properly (man – vehicle – road – roadside). The road, its traffic layout andsafety equipment have a critical impact on road user safety. This gives infrastructural work a priority in road safety strategies and programmes. Run-off-road accidents continue to be one of the biggest problems of road safety with consequences including...
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Abundance and biomass of bacteria in two Arctic glacial fjords
PublikacjaTotal numbers and biomass of bacterioplankton in water in two glacial fjords off west Spitsbergen have been studied. Samples were collected from different water depth layers - from the surface to 80-90 m. Total bacterial number (TBN), biomass and morphological structure were determined by the acridine orange direct count method. The highest values of TBN and biomass in the water column were found on stations situated adjacent...
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Wykorzystanie odpadów gumowych do napełniania elastomerów uretanowych
PublikacjaPrzedstawiono metodę otrzymywania kompozycji poliuretanowo-gumowych z wykorzystaniem miału gumowego oraz wyniki pomiarów wybranych właściwości uzyskanych materiałów. Kompozycje wytwarzano poprzez wprowadzenie miału gumowego w ilości od 1 do 60% mas. do prepolimeru uretanowego syntezowanego z diizocyjanianu MDI i oligoestrolu Poles 55/20. Prepolimer przedłużano glikolem butylenowym zawierającym rozpuszczony katalizator DABCO. Na...
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TOTAL CROSS SECTION MEASUREMENTS FOR ELECTRON SCATTERING ON METHYL FORMATE (HCOOCH3) MOLECULE: METHYLATION EFFECT
PublikacjaWe present the absolute total cross section (TCS) for electron scattering from the methyl formate (HCOOCH3) molecule measured in the 10-300 eV energy range, with electrostatic electron spectrometer working in the linear transmission mode. Comparison of TCS for the HCOOCH3 molecule with that measured earlier for the formic acid (HCOOH) compound manifests the methylation effect i.e. the response of the electron scattering dynamics...
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Experimental investigation of dryout of SES36, R134a, R123 and ethanol in vertical small diameter tubes
PublikacjaW publikacji przedstawiono wyniki badań eksperymentalnych kryzysu wrzenia typu dryout podczas wrzenia w przepływie czterech czynników (SES36, R134a, R123, alkohol etylowy) w kanałach o średnicy wewnętrznej 1.15 mm i 2.3 mm. Badania przeprowadzono w szerokim zakresie zmian stopnia suchości pary (0.65-1), gęstości strumienia masy (40-900 kg/(m2s)) i gęstości strumienia ciepła (20-220 kW/m2). W badaniach wykorzystano technikę termowizyjną...
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High-Gain Compact Circularly Polarized X-Band Superstrate Antenna for CubeSat Applications
PublikacjaIn this letter, a concept of high-gain circularly polarized X-band antenna employing a partially reflecting surface (PRS) has been presented. In the initial antenna analysis, the influence of parasitic elements size in the PRS structure on antenna radiation pattern parameters has been investigated and the optimal arrangement of the elements has been identified. The proposed antenna provides wide bandwidth of return loss above 10...
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XVIII Międzynarodowe Sympozjum Inżynierii i Reżyserii Dźwięku
PublikacjaThe subjective assessment of speech signals takes into account previous experiences and habits of an individual. Since the perception process deteriorates with age, differences should be noticeable among people from dissimilar age groups. In this work, we investigated the difference of speech quality assessment between high school students and university students. The study involved 60 participants, with 30 people in both the adolescents...
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Characterization of structural, thermal and mechanical properties of bismuth silicate glasses
Publikacjahe influence of heating and reduction processes on the structural, thermal and mechanical properties of bismuth-silicate glasses has been investigated. Two compositions of glasses: 40Bi2O3–60SiO2 (Bi0.57Si0.43Ox) and 27Bi2O3–73SiO2 (Bi0.43Si0.57Ox) were fabricated by a typical melt quenching technique. Then the reduction in hydrogen at 380 °C for 20, 42 or 67 h was performed. It was found that a 50 μm-thick layer was formed on...
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Playing the Sprint Retrospective: A Replication Study
PublikacjaThe Sprint Retrospective is a vehicle for continuous process improvement. Even though it is a well established agile practice, running effective retrospective meetings is challenging. There have been a lot of identified problems that commonly occur during these meetings. To address them, Przybyłek & Kotecka [20] successfully revitalized retrospective meetings by adopting collaborative games, which represent a powerful tool in improving...
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Application of vertical flow constructed wetlands for highly contaminated wastewater treatment: preliminary results
PublikacjaBasing on quantitative and qualitative characteristics of reject waters (RWC) generated during dewatering of digested sewage sludge on centrifuges in conventional WWTP and municipal landfill leachate (LL), the pilot constructed wetlands for treatment of both types wastewater were designed and built. In the paper the conception, design and assumed treatment efficiencies of the pilot plants are presented. The water balance of the...
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Development of dynamic method for evaluation of inhibition efficiency on the example of 8-hydroxyquinolin
PublikacjaSelection of a proper inhibitor should be based on the evaluation of its mechanism and effective concentrations. Mechanism of inhibition usually has dynamic character due to changing physicochemical conditions of the environment and corroding metal surface. Most of actually used methods are stationary or contain assumptions which highly influences obtained values. Development of new dynamic method, based on modified EIS, allows...
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The reduction of vibrations in circular sawing machines
PublikacjaThe presented in this paper the main objectives of the research were to explore vibrations signals of the main spindle system, the machine tool body and a circular saw to extract informative features for assessment of the designs of the panel saw Fx3 and its follower Fx550.Even though the main spindle of the new table sliding saw Fx550 has its rotational speeds larger about 20% in comparison to the Fx3, peak values of the vibrational...
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Nowa metoda wyznaczenia pola powierzchni skóry przedramienia i dłoni wykorzystująca sztuczną sieć neuronową
PublikacjaW artykule przedstawiono rozbieżności pomiędzy wartościami pola powierzchni skóry obliczonymi za pomocą znanych metod a ich rzeczywistymi wartościami. Wykorzystując skaner 3D o wysokiej dokładności, zmierzono pole powierzchni skóry przedramienia i dłoni. Zaobserwowano, że błędy obliczeń są w wysokim stopniu skorelowane z wartościami BMI badanych osób. W grupie osób o BMI poniżej 20 stwierdzono maksymalny błąd względny wynoszący...
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DETERMINATION OF SP3 FRACTION IN ta-C COATING USING XPS AND RAMAN SPECTROSCOPY
PublikacjaThe paper presents results of studies on the structure of tetrahedral amorphous carbon films (ta-C) with a thickness in the range from 20 to 280 nm, deposited using pulsed vacuum arc technique with an electromagnetic Venetian blind plasma filter. The results of the phase structure analysis, obtained using visible Raman spectroscopy and UV Raman spectroscopy methods, showed a strong dependence of the results on the presence, on...
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Experimental investigations of damage evolution in concrete during bending by continuous micro-CT scanning
PublikacjaThe paper describes experimental investigation results of fracture in notched concrete beams under quasi-static three-point bending. To visualize 3D fracture in concrete under bending, an extended X-ray micro-computed tomography system was used, i.e. the tomography system SkyScan 1173 was connected to the loading machine ISTRON 5569. This combined system enabled to shot images of deforming concrete beams during a continuous deformation...
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Study of the influence of the presence of Dr fimbriae on the hydrophobicity of cells of recombinant Escherichia coli strains: AAEC191A and BL21(DE3)
Dane BadawczeThe ability of a cell surface to repel or adhere to surfaces is crucial, and it was assessed through a microbiological adhesion test involving hexadecane and xylene. In this method, microorganisms in an aqueous layer are mixed with an organic layer, and after completion, the absorbance of each sample is measured at a 570 nm wavelength. The results obtained...
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Complex modulus of Cement Bitumen Treated Material Mixture C3E5.5 (over 28 days of curing at 20C)
Dane BadawczeDataset presents data of complex modulus determined for cold recycled mixture – cement bitumen treated material mixture with following binding agents: 3% cement and 5.5% emulsion (C3E5.5). Mixture was designed according to Polish requirements for the base course of pavement. Mixture contains 60% of RAP material. Specimen size: f=100 mm, h=130 mm. Specimen...
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Tetracycline and ampicillin resistance of Escherichia coli strains of surface water origin: the potential for horizontal transfer of resistance genes = Oporność na tetracyklinę i ampicylinę szczepów Escherichia Coli wyizolowanych z wody powierzchniowej : możliwość horyzontalnego przenoszenia genów oporności
PublikacjaThe aim of this preliminary study was to assess the occurrence and molecular diversity of tetracycline and ampicillin resistance genes carried by Escherichia coli present in surface water. Bacterial strains were isolated from two watercourses (the Reda River and the Oliwski Stream) that influence the quality of coastal waters in the Gdańsk Bay (Northern Poland) by direct discharge. The bacterial drug susceptibility, tested against...
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Miejsce polski w innowacyjnej gospodarce światowej
Publikacjacelem artykułu jest określenie poziomu innowacyjności polskiej gospodarki na tle pozostałych krajów ue oraz stanów zjednoczonych, kanady, japonii, australii, chorwacji, turcji i izraela. autorka przeanalizowała szczegółowo metodologię i wyniki europejskiego badania innowacyjności - european innovation scorebord za lata 2005-2007. analizie podano poziom i dynamikę zmian 25 wskaźników innowacyjności, pogrupowanych w pięciu kategoriach.na...
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Quality of limes juices based on the aroma and antioxidant properties
PublikacjaKaffir (Citrus hystrix) and Key (Citrus aurantifolia) limes juices were investigated and compared. Two dimensional gas chromatography coupled with time-of-flight mass spectrometry (GC×GC-TOF-MS) was applied to assess the botanical origin of Kaffir and Key limes juices, based on volatile substances. The biggest differences in the contents of selected terpenes in Kaffir and Key limes occur in chemical compounds such as Limonene,...
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The metabolic activity of denitrifying microorganisms accumulating polyphosphate in response to addition of fusel oil
PublikacjaThe effect of distillery waste product (fusel oil) as an alternative external organic carbon source (EOCS) was investigated in terms of the metabolic properties of denitrifying polyphosphate accumulating organisms (DPAOs). Samples of the non-acclimated biomass were collected from a local full-scale wastewater treatment plant employing A2/O type bioreactors. The acclimated biomass was obtained after cultivation (with fusel oil added)...
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PARP inhibition potentiates the cytotoxic activity of C-1305, a selective inhibitor of topoisomerase II, in human BRCA1-positive breast cancer cells
PublikacjaTwo cellular proteins encoded by the breast and ovarian cancer type 1 susceptibility (BRCA1 and BRCA2) tumor suppressor genes are essential for DNA integrity and the maintenance of genomic stability.Approximately 5-10% of breast and ovarian cancers result from inherited alterations or mutations in these genes.Remarkably, BRCA1/BRCA2-deficient cells are hypersensitive to selective inhibition of poly(ADPribose) polymerase 1 (PARP-1),...
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Dynamic GPU power capping with online performance tracing for energy efficient GPU computing using DEPO tool
PublikacjaGPU accelerators have become essential to the recent advance in computational power of high- performance computing (HPC) systems. Current HPC systems’ reaching an approximately 20–30 mega-watt power demand has resulted in increasing CO2 emissions, energy costs and necessitate increasingly complex cooling systems. This is a very real challenge. To address this, new mechanisms of software power control could be employed. In this...
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[IMe] Modern optimisation methods
Kursy Online{mlang pl} Dyscyplina: Inżynieria mechaniczna (PG+IMP PAN) Zajęcia obowiązkowe Prowadzący: dr hab. inż. Krzysztof Tesch, prof. uczelni Liczba godzin: 20 h Forma zajęć: wykład {mlang} {mlang en} Discipline: mechanical engineering (GUT + IFFM PAS) Obligatory course Academic teacher: dr hab. inż. Krzysztof Tesch, prof. uczelni Total hours of training: 20 teaching hours Course type: lecture {mlang}
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2022_[IMe]_SELECTED_PROBLEMS_of_MACHINE_DYNAMICS
Kursy Online{mlang pl} Dyscyplina: Inżynieria mechaniczna (PG + IMP PAN) Zajęcia obowiązkowe Prowadzący: prof. dr. hab. inż. Krzysztof Kaliński Liczba godzin: 20 h Forma zajęć: wykład + ćwiczenia {mlang} {mlang en} Discipline: mechanical engineering (GUT + IFFM PAS) Obligatory course Academic teacher: dr. hab. inż. Mirosław Gerigk Total hours of training: 20 teaching hours Course type: lecture + exercises {mlang}
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Układ awaryjnego zasilania oparty na ogniwach paliwowych PEFC zasilany wodorem i metanolem
PublikacjaGłównymi elementami badanego układu zasilania są dwa moduły ogniw paliwowych PEFC typu Nexa kanadyjskiej firmy Ballard o mocy 1,2 kW każdy. Badany układ został wyposażony w reformer paliwowy firmy Genesis Fueltech model 20 L, w którym do wytworzenia czystego wodoru wykorzystuje się unikatową metodę przetwarzania wodnego roztworu metanolu opartą na połączeniu wysokociśnieniowego reformingu parą wodną oraz użyciu membrany separującej....
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Effect of sodium acetate on citric acid production from glucose by Yarrowia lipolytica
PublikacjaZbadano wpływ octanu sodu na produkcję kwasu cytrynowego z glukozy w hodowli wgłębnej przez nie utylizującego octanu mutanta (oct-) Yarrowia lipolytica A-101.1.31. Octan będący ko-substratem glukozy w pożywce zwiększał produktywność i plon kwasu cytrynowego w ciągu pierwszych 24 godzin procesu. Największy pozytywny wpływ na biosyntezę kwasu cytrynowego przez Y. lipolytica A-101.1.31 miał dodatek 2g/L octanu sodu (przy zbadanych...
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Characterization of fatty acids composition in the European beaver (Castor fiber L.).
PublikacjaW pracy przedstawiono zawartość lipidów , klas lipidów i skład kwasów tłuszczowych lipidów ogólnych uzyskanych z różnych tkanek bobra europejskiego (tkanka okołojelitowa, tkanka okołonerkowa, miesień uda, mięsień kreskowy, podskórna tkanka tłuszczowa, ogon). Wykazano różnice w zawartości lipidów i składzie KT w tkankach samic (n=7) i samców (n=3). Wykazano wysokie zawartości nienasyconych KT w tkankach bobrów w porównaniu z tkankami...