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Search results for: Hanow Michael Christoph
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The aggregation of objects representing Gdańsk district buildings - scale 1:10000
Open Research DataThe process of automatic generalization is one of the elements of spatial data preparation for the purpose of creating digital cartographic studies. The presented data include a part of the process of generalization of building groups obtained from the national geodesy and cartography resource from BDOT10k (10k topographic database) [1].
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The aggregation of objects representing Gdańsk district buildings - scale 1:25000
Open Research DataThe process of automatic generalization is one of the elements of spatial data preparation for the purpose of creating digital cartographic studies. The presented data include a part of the process of generalization of building groups obtained from the national geodesy and cartography resource from BDOT10k (10k topographic database) [1].
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The aggregation of objects representing buildings in the Kartuzy district - scale 1:25000
Open Research DataThe process of automatic generalization is one of the elements of spatial data preparation for the purpose of creating digital cartographic studies. The presented data include a part of the process of generalization of building groups obtained from the national geodesy and cartography resource from BDOT10k (10k topographic database) [1].
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Indeksy demokracji i stan zaawansowania ich rozwoju ze szczególnym uwzględnieniem projektu Varieties of Democracy - Democracy indices and their state of development with a special focus on the Varieties of Democracy project
PublicationIndeksy demokracji już od wielu lat pomagają naukowcom w klasyfikowaniu reżimów politycznych na całym świecie. Czy jednak projekty tego typu mierzyły i mierzą jakość demokracji w sposób adekwatny? Na podstawie przeglądu literatury przedmiotu można stwierdzić znaczny rozwój metodologii w tym zakresie od końca XX wieku w odpowiedzi na wcześniejsze braki.Autor artykułu opisuje rozwój indeksów demokracji od pierwszych...
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Stanowisko laboratoryjne systemy BACNet
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Body size and wing asymmetry in bees along an urbanization gradient
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Ecological correlates of the popularity of birds and butterflies in Internet information resources
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Powszechny niedobór witaminy D u dorosłych z województwa pomorskiego po miesiącach niskiego i wysokiego promieniowania UVB
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The application of gradient reversed-phase high-performance liquid chromatography to the pKa and determination of polyprotic analytes
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Thermodynamic vs. extrathermodynamic modeling of chromatographic retention
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Expression of intermediate filaments of podocytes within nephrotic syndrome glomerulopathies in children
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The state-of-the-art determination of urinary nucleosides using chromatographic techniques “hyphenated” with advanced bioinformatic methods
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Identification of organic acids as potential biomarkers in the urine of autistic children using gas chromatography/mass spectrometry
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Comparison of RP-HPLC columns used for determination of nucleoside metabolic patterns in urine of cancer patients
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PLS-Based and Regularization-Based Methods for the Selection of Relevant Variables in Non-targeted Metabolomics Data
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Metabolomics for laboratory diagnostics
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Determination of Urinary Pterins by Capillary Electrophoresis Coupled with LED-Induced Fluorescence Detector
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Chemically Bonded Silica Stationary Phases: Synthesis, Physicochemical Characterization, and Molecular Mechanism of Reversed-Phase HPLC Retention
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Metabolomic Insight into Polycystic Ovary Syndrome—An Overview
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Efficient recovery of electrophoretic profiles of nucleoside metabolites from urine samples by multivariate curve resolution
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Tannins as Hemostasis Modulators
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Effective Permeability of Multi Air Gap Ferrite Core 3-Phase Medium Frequency Transformer in Isolated DC-DC Converters
PublicationThe magnetizing inductance of the medium frequency transformer (MFT) impacts the performance of the isolated dc-dc power converters. The ferrite material is considered for high power transformers but it requires an assembly of type “I” cores resulting in a multi air gap structure of the magnetic core. The authors claim that the multiple air gaps are randomly distributed and that the average air gap length is unpredictable at the...
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Effect of grip width on exercise volume in bench press with a controlled movement tempo in women
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Placebo Effect of Caffeine on Maximal Strength and Strength Endurance in Healthy Recreationally Trained Women Habituated to Caffeine
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Impact of Ischemic Intra-Conditioning on Power Output and Bar Velocity of the Upper Limbs
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Acute Effects of Different Blood Flow Restriction Protocols on Bar Velocity During the Squat Exercise
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Prevalence and covariates of electrocardiographic left ventricular hypertrophy in the Hypertension in the Very Elderly Trial
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Hydrogen-Containing Na3HTi1–xMnxF8 Narrow-Band Phosphor for Light-Emitting Diodes
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The effects of different doses of caffeine on maximal strength and strength‐endurance in women habituated to caffeine
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Impact of Movement Tempo Distribution on Bar Velocity During a Multi-Set Bench Press Exercise
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Acute Effects of Ischemic Intra-Conditioning on 30 m Sprint Performance
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Wpływ odkształceń tarczy oporowej wału na właściwości hydrodynamicznego łożyska wzdłużnego = Influence collar deformations of hydrodynamic thrust bearing performance
PublicationPodjęto próbę określenia możliwego wpływu deformacji termosprężystej tarczy oporowej łożyska na jego cechy. Porównano wyniki trzech wariantów obliczeń TEHD: bez uwzględniania deformacji tarczy, z uwzględnieniem deformacji tylko sprężystych oraz z uwzględnieniem deformacji termosprężystych tarczy oporowej.
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Projection framework for hybrid methods derived from finite difference operators in time and frequency domain
PublicationW artykule przedstawiono ogólną koncepcję tworzenia algorytmów hybrydowych na bazie operatorowego sformułowania metody różnic skończonych. Wykorzystano koncepcję projekcji ortogonalnej w przestrzeni skończeniewymiarowej w celu modyfilacji pierwotnego sformułowania.
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Wykorzystanie sprzętowego stosu TCP/IP w mikroprocesorowych urządzeniach zdalnego monitorowania obiektów
PublicationW artykule poruszono zagadnienie dołączania prostych urządzeń mikroprocesorowych do sieci TCP/IP. Przedstawiono przykład wykorzystania scalonego stosu TCP/IP w postaci układu scalonego W3100a współpracującego z prostym mikrokontrolerem z rodziny 8051. Omówiono właściwości funkcjonalne stosu, sposoby jego sprzęgnięcia z oprogramowanie mikrokontrolera oraz możliwości wykorzystania protokołów: UDP, TCP i HTTP do wymiany danych. Zaprezentowano...
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Experimental study on the feasibility of alternative materials for tilting pad thrust bearings operating in transition to mixed friction
PublicationIn hydrodynamic bearings traditional bearing alloys: Babbitts and bronzes are most frequently utilized. Polymer sliding layers are sometimes applied as a valuable alternative. Hard diamond-like carbon (DLC) coatings, which are also considered for certain applications may show some advantages, as well. Although material selection is of secondary importance in a full film lubrication regime it becomes important in mixed friction...
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Compliance tests of the polymer layers used as hydrodynamic bearing coatings
PublicationOperational experience and scientific investigations results showed that polymer lined hydrodynamic bearings can withstand more severe operating conditions compared than white metal bearings. PTFE and PEEK-based coatings are the most frequently used as Babbitt alternatives. Both polymers differ significantly from the each other in material properties. According to catalogue data compression modulus of PTFE, it is about an order...
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Effect of Coating Material Properties on Tilting-pad Thrust Bearing Performance
PublicationPolymer lined tilting-pad bearings demonstrate many advantages over traditional bearing systems. Bearings with a polymer layer in comparison with a babbitted layer show, for example: lower value of friction coefficient (important during start/stops), higher fatigue strength of the coating, better distribution of the load on individual pads due to lower elasticity of the polymers, wider range of operational temperatures or the ability...
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Evaluation of apparent Young׳s modulus of the composite polymer layers used as sliding surfaces in hydrodynamic thrust bearings
PublicationHydrodynamic bearings with a polymer sliding layer are able to operate in severe conditions, mainly due to favorable properties of the polymers. The goal of this research was to evaluate apparent Young׳s modulus of two types of the polymer composite layers used for sliding surfaces in hydrodynamic bearings, as a function of temperature. The Young׳s modulus was evaluated on the basis of compression tests carried out on samples obtained...
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Efficient analysis of waveguide componets using a hybrid PEE-FDFD algorithm.
PublicationZaproponowano przyspieszenie analizy podzespołów falowodowych poprzez połączenie metody różnic skończonych w dziedzinie częstotliwości FDFD oraz rozwinięcia w funkcje własne PEE. Proponowane sformułowanie pozwala jawnie zdefiniować operator macierzowy dla zadanego problemu. Proponowana technika została zaprezentowana zarówno dla problemów własnych jak i układów z pobudzeniem.
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Hybrid analysis of microwave components in cylindrical coordinates with function expansion in subdomains.
PublicationW artykule zaproponowano wydajną metodę przyspieszenia analizy FDTD, poprzez podział dziedziny obliczeniowej i zastosowanie różnych algorytmów w różnych elementach dziedziny. Zaproponowano uniwersalną metodę łączenia techniki PEE (Partial Eigenfunction Expansion)i niezmodyfikowanej FDTD w jednej analizie. Uzyskano redukcję liczby zmiennych oraz wydłużenie kroku czasowego.
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Fast numerical analysis of dielectric resonators with perturbed rotational symmetry
PublicationW artykule zaprezentowano metody szybkiej analizy rezonatorow o symetrii zblizonej do osiowej metodą różnic skończonych w dziedzinie częstotliwości. Dzięki użyciu techniki rozwinęć funkcyjnych w jednorodnych obszarach uzyskano redukcję rozmiaru i znaczne przyspieszenie zbieżności problemu własnego, reprezentującegowspomniane układy. Dzięki elastycznemu sposobowi łączenia dziedzin z i bez rozwinięć funkcyjnych możliwe było zaadaptowanie...
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Direct electrical stimulation of the human brain has inverse effects on the theta and gamma neural activities
PublicationObjective: Our goal was to analyze the electrophysiological response to direct electrical stimulation (DES) systematically applied at a wide range of parameters and anatomical sites, with particular focus on neural activities associated with memory and cognition. Methods: We used a large set of intracranial EEG (iEEG) recordings with DES from 45 subjects with electrodes...
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Impact of climate and humans on the range dynamics of the woolly mammoth (Mammuthus primigenius) in Europe during MIS 2
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Linking occurrence and changes in local abundance of farmland bird species to landscape composition and land-use changes
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The role of churches in maintaining bird diversity: A case study from southern Poland
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The expansion wave of an invasive predator leaves declining waterbird populations behind
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Spatial Variation in Long-Term Trends in a Metapopulation of the Globally Threatened Aquatic WarblerAcrocephalus paludicolain Poland
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Composition of the Essential Oil of Bidens tripartita L. Roots and Its Antibacterial and Antifungal Activities
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In vitro antioxidant and anti-inflammatory activities of extracts from Potentilla recta and its main ellagitannin, agrimoniin
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Function and Frustration of Multi-Drug ABC Exporter Protein and Design of Model Proteins for Drug Delivery Using Protein Hydration Thermodynamics
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