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Fabrication of diet supplements components applied in order to reduce body mass
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The simultaneous determination of hydrophobicity and dissociation constant by liquid chromatography–mass spectrometry
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The control of the mass of an aggregates deliveries and its impact on the effectiveness of earthworks execution
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Control of mass concentration of reagents by sound in a gas with nonequilibrium chemical reactions
PublikacjaThe weakly nonlinear dynamics of a chemically reacting gas is studied. Nonlinear interaction of acoustic and nonacoustic types of motion are considered. We decompose the base equations using the relationships of the gas-dynamic perturbations specific for every type of motion. The governing equation for the mass fraction of a reagent influenced by dominating sound is derived and discussed. The conclusions concern the equilibrium...
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Wybrane elementy metodyki kontroli procesu tworzenia numerycznej mapy zasadniczej
PublikacjaPublikacja zawiera analizę metod i zakresu kontroli jakości mapy numerycznej wprowadzanej do zasobu Ośrodka Dokumentacji Geodezyjnej i Kartograficznej na przykładzie Gdańska
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Flood Routing by the Non-Linear Muskingum Model: Conservation of Mass and Momentum
PublikacjaIn this paper, the conservative properties of the Muskingum equation, commonly applied to solve river flood routing, are analysed. The aim of this analysis is to explain the causes ofthe mass balance error, which is observed in the numerical solutions of its non-linear form. The linear Muskingum model has been considered as a semi-discrete form of the kinematic wave equation and therefore it was possible to derive its two non-linear...
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Analysis of the effect of mass events on car traffic in the city in the daily interval
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Experimental an numerical investigation of wave propagation in composite beam with an additional mass
PublikacjaW pracy przedstawiono wyniki badań eksperymentalnych i symulacji numerycznych ilustrujace wpływ dodatkowej masy na propagacje fali Lamba w belce kompozytowej.
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A parametric method for preliminary determining of mass characteristics of inland navigation ships
PublikacjaPrzedstawiono metodę którą opracowano, wykorzystując algorytmy realizujące zalecenia zawarte w Przepisach Klasyfikacji i Budowy Statków Śródlądowych PRS-u, oraz zastosowano uproszczoną metodę wyznaczania mas usztywnień poszycia kadłuba. Metoda wymiarowania oparta na tym algorytmie dotyczy klasycznych statków służących do przewozu drobnicy, ładunków masowych i płynnych - określających zakres stosowania metody. Metoda nie obejmuje...
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Influence of Gaps’ Geometry Change on Leakage Flow in Axial Piston Pumps
PublikacjaAxial piston pumps are the core elements of most medium and high-pressure hydraulic systems. High volumetric efficiency and high working pressures are the main advantages of this type of pumps. Therefore it is necessary to accurately calculate the leakage flow through the gaps to design efficient high-pressure pump. The main difficulty of such calculations is the fact, that the gaps change their geometry during pumping process....
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Mobile Gas Chromatographs Coupled with Mass and Ion Mobility Spectrometers and their Applications
PublikacjaThe articles describes the developments un combining of mass and ion mobility spectrometers (MS, IMS0 with miniature gas chromatographs (GC). The examples of applications of miniaturised GC-MS and GC-IMS devices are presented.
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Experimental determination of H2 mass stopping powers for low-energy electrons
PublikacjaWe present experimental mass stopping powers of electrons in gaseous H2 obtained with an electron time- of-flight spectrometer, for the incident electron energy range of 11 to 25 eV. In our procedure, the average energy loss is derived from conversion of the measured electron time-of-flight spectra into equivalent electron energy-loss spectra. Our present results are compared with the only available experimental measurement and...
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Ambisoniczna mapa wybranych miejsc w Trójmieście z obrazem 360°
PublikacjaW projekcie, który zostanie opisany w niniejszym rozdziale, założonym celem było stworzenie ambisonicznej mapy Trójmiasta w formie aplikacji internetowej. Materiały wideo w technologii 360° z dźwiękiem w postaci sygnału ambisonicznego zostały zarejestrowane w wybranych lokalizacjach uznanych za charakterystyczne dla tej aglomeracji. Celem badawczym projektu było porównanie dostępnych algorytmów miksowania sygnałów ambisonicznych...
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On the independence number of some strong products of cycle-powers
PublikacjaIn the paper we give some theoretical and computational results on the third strong power of cycle-powers, for example, we have found the independence numbers alpha((C^2_10)^⊠3) = 30 and alpha((C^4 _14)^⊠3) = 14. A number of optimizations have been introduced to improve the running time of our exhaustive algorithm used to establish the independence number of the third strong power of cycle-powers. Moreover, our results establish...
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Integration of adsorption chillers with combined cycle gas turbine
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Enhancement of the Brayton cycle efficiency by water or steam utilization
PublikacjaIn the paper, thermodynamic analysis of two modifications of a Brayton cycle into enhancement cycles with water/steam injection are discussed. The first one deals with a STIG modified system with both interstage compressed air cooling and air heating (heat regeneration) before combustion chamber. The second one, mainly devoted to higher steam/air ratio, is connected with separate steam production in a HRSG. The analysis has been...
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Machinery Life Cycle Efficiency Models for their Sustainable Development
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Emerging oxidized and defective phases in low-dimensional CrCl3
PublikacjaTwo-dimensional (2D) magnets such as chromium trihalides CrX3 (X ¼ I, Br, Cl) represent a frontier for spintronics applications and, in particular, CrCl3 has attracted research interest due its relative stability under ambient conditions without rapid degradation, as opposed to CrI3. Herein, mechanically exfoliated CrCl3 flakes are characterized at the atomic scale and the electronic structures of pristine, oxidized, and defective...
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Wyznaczanie map hałasu z wykorzystaniem chmury obliczeniowej
PublikacjaW referacie przedstawiono gridow usług obliczeniow Mapy Hałasu. Algorytm predykcji hałasu i model ródła powstał w ramach bada Katedry Systemów Multimedialnych, Politechniki Gdaskiej. Aplikacja webowa umoliwia wykonanie map akustycznych, w szczególnoci hałasu drogowego bez uycia dodatkowego oprogramowania komercyjnego. W pracy przedstawiono zagadnienia z tematyki modelowania hałasu i propagacji dwiku w przestrzeniach miejskich....
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Hypoglycaemic, antioxidative and phytochemical evaluation of Cornus mas varieties
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Usability attributes revisited: a time-framed knowledge map
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Relationship of colour with the phytocompounds present in Cornus mas cultivars
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Chatter surveillance with the creation of a map of optimal spindle speeds
PublikacjaW pracy przedstawiono metodę nadzorowania drgań samowzbudnych typu chatter. Wyznaczono wartości optymalnych prędkości obrotowych wrzeciona dla poszczególnych punktów na powierzchni przedmiotu obrabianego, wykorzystując rożne techniki analizy modalnej. Badania eksperymentalne wykazały, że otrzymana w ten sposób mapa optymalnych prędkości obrotowych wrzeciona jest skutecznym narzędziem do eliminacji drgań chatter w procesie obróbki...
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Constructing a map of an anonymous graph: applications of universal sequences
PublikacjaWe study the problem of mapping an unknown environmentrepresented as an unlabelled undirected graph. A robot (or automaton)starting at a single vertex of the graph G has to traverse the graph and return to its starting point building a map of the graph in the process. We are interested in the cost of achieving this task (whenever possible) in terms of the number of edge traversal made by the robot. Another optimization criteria...
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Zastosowanie superkomputera do tworzenia dynamicznych map hałasu
PublikacjaW artykule przedstawiono koncepcję i implementację Modelu Dynamicznego Prognozowania Hałasu przeznaczonego do tworzenia map hałasu. Omówiony został cel wykonania powstałej aplikacji. Zawarto krótki opis użytego sprzętu. Omówiono poszczególne elementy Modelu Dynamicznego Prognozowania Hałasu oraz zastosowane metody. Przedstawiono zagadnienia związane z implementacją algorytmów na klastrze komputerowym. Zaprezentowano również rezultaty...
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Spike patterns and chaos in a map-based neuron model
PublikacjaThe work studies the well-known map-based model of neuronal dynamics introduced in 2007 by Courbage, Nekorkin and Vdovin, important due to various medical applications. We also review and extend some of the existing results concerning β-transformations and (expanding) Lorenz mappings. Then we apply them for deducing important properties of spike-trains generated by the CNV model and explain their implications for neuron behaviour....
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Periodic and chaotic dynamics in a map‐based neuron model
PublikacjaMap-based neuron models are an important tool in modeling neural dynamics and sometimes can be considered as an alternative to usually computationally costlier models based on continuous or hybrid dynamical systems. However, due to their discrete nature, rigorous mathematical analysis might be challenging. We study a discrete model of neuronal dynamics introduced by Chialvo in 1995. In particular, we show that its reduced one-dimensional...
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Analysing the Residential Market Using Self-Organizing Map
PublikacjaAlthough the residential property market has strong connections with various sectors, such as construction, logistics, and investment, it works through different dynamics than other markets; thus, it can be analysed from various perspectives. Researchers and investors are mostly interested in price trends, the impact of external factors on residential property prices, and price prediction. When analysing price trends, it is beneficial...
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Matching trajectory of a person to a map in inertial navigation system
PublikacjaPaper describes the method of matching, to a map, trajectories of a person walking indoors, obtained from inertial navigation module. General principle of matching algorithm based on particle filtering is presented. Method of detecting particle collisions is described as well. The last chapter provides test results of map matching related to a true trajectory.
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Seasonal and spatial variation of the Montagu’s Harrier’s Circus pygargus diet in Eastern Poland
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Offshore surface waters of Antarctica are free of microplastics, as revealed by a circum-Antarctic study
PublikacjaIn 2018, during a circum navigation of Antarctica below 62° S by the sailing boat Katharsis II, the presence of plastics was investigated with surface sampling nets at ten evenly spaced locations (every 36° of longitude). Although fibres that appeared to be plastic (particles up to 2 cm) were found in numbers ranging from 1 particle (0.002 particles per m3) to 171 particles (1.366 particles per m3) per station, a Fourier-transform...
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Activation maps of convolutional neural networks as a tool for brain degeneration tracking in early diagnosis of dementia in Parkinson's disease based on magnetic resonance imaging
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Determination of MDPBP in postmortem blood samples by gas chromatography coupled with mass spectrometry
PublikacjaMDPBP (1-(3,4-methylenedioxyphenyl)-2-(1-pyrrolidinyl)-1-butanone) is a new psychoactive substance sold on the black market. It has been a controlled drug of abuse in Poland and China since 2015 as some toxic and fatal cases connected with use of synthetic cathinone derivatives were observed. The fatal case outlined here concerns a 19 year-old man, who was found dead with an envelope containing white powder lying nearby the cadaver....
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Experimental Designs of Mass Customized Passive Single-family Houses - Prospects and Limitations
PublikacjaAbstract The article deals with case studies of selected architectural designs of the past fifteen years the authors of which intended to rethink both the typology and the means of constructing single family houses. The analysis covers contemporary design issues such as variation, curvilinearity, customization, digital manufacturing and ecological concerns. The purpose behind the research was to establish in what way new design...
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Mapa rozwoju dyscypliny Elektrotechnika : Trakcja elektryczna i napęd elektryczny pojazdów
PublikacjaW rozdz. 2.5 omówiono rolę strategiczną trakcji elektrycznej, trakcję sieciową i autonomiczną oraz preferowane kierunki badań w Polsce.
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The impact of the Polish mass breast cancer screening program on prognosis in the Pomeranian Province
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The operational method of filling information gaps in satellite imagery using numerical models
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Modeling of Imaging Mass Spectrometry Data and Testing by Permutation for Biomarkers Discovery in Tissues
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Signal Partitioning Algorithm for Highly Efficient Gaussian Mixture Modeling in Mass Spectrometry
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Recent achievements in element analysis of bee honeys by atomic and mass spectrometry methods
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Influence of rotating magnetic field on gas-liquid volumetric mass transfer coefficient
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Gas to liquid mass transfer in mixing system with application of rotating magnetic field
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A new approach to determination of the two-mass model parameters of railway current collector
PublikacjaThe paper presents two mathematical models of railway current collectors both with two degrees of freedom. The first one, hereinafter Pantograph Articulated Model (PAM), has one degree of freedom in rotational motion and the second degree of freedom in translational motion. The second model, called henceforth as Pantograph Reference Model (PRM), has both degrees of freedom in translational motion. Differential equations of the...
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Nanoparticles associated with antimicrobial peptides (AMPs) promising combination for biomedical and veterinary applications
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Body mass, depressive symptoms and menopausal status: An examination of the “Jolly Fat” hypothesis
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Socio-Cultural Standards Promoted by the Mass Media as Predictors of Restrictive and Bulimic Behavior
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Combined gas chromatography—mass spectrometry for the analysis of central and peripheral biogenic amines
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Chemometric optimization of derivatization reactions prior to gas chromatography–mass spectrometry analysis
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Seeking Optimal Nutrition for Healthy Body Mass Reduction Among Former Athletes
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TEMPERATURE AND RELATIVE HUMIDITY CONTROL IN MASS AND DECAY PREVENTION IN POSTHARVEST HANDLING OF PEACHES
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