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Search results for: Michał Savonarola
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Pochodne oleju makowego jako związki biologicznie czynne
PublicationW pracy przebadano skład kwasów tłuszczowych oleju makowego z nasion maku niskomorfinowego (Michałko, Agat, Mieszko, Zambo, Rubin i Przemko) i wysokomorfinowego (Lazur). Do dalszych badań wybrano olej makowy odmiany Michałko ze względu na wysoką zawartość kwasu linolowego (72,8%), niską zawartość kwasu oleinowego (12,6%) i kwasu linolenowego (0,8%). Kwasy nasycone głównie palmitynowy (11,3%) mogą być usunięte w odrębnym postępowaniu....
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On the Possibilities of Decreasing Power Loss in Large Tilting Pad Thrust Bearings
PublicationJournal Menu About this Journal Abstracting and Indexing Aims and Scope Article Processing Charges Articles in Press Author Guidelines Bibliographic Information Citations to this Journal Contact Information Editorial Board Editorial Workflow Free eTOC Alerts Publication Ethics Submit a Manuscript Table of Contents Abstract Full-Text PDF Full-Text HTML...
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Acute Effects of High Doses of Caffeine on Bar Velocity during the Bench Press Throw in Athletes Habituated to Caffeine: A Randomized, Double-Blind and Crossover Study
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Acute effects of two caffeine doses on bar velocity during the bench press exercise among women habituated to caffeine: a randomized, crossover, double-blind study involving control and placebo conditions
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Suppression of deleterious effects of free silanols in liquid chromatography by imidazolium tetrafluoroborate ionic liquids
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Combined pH/organic solvent gradient HPLC in analysis of forensic material
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Ragged Robin (Lychnis flos-cuculi) - a plant with potential medicinal value
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Comparative analysis of IP-based mobility protocols and fast handover algorithms in IEEE 802.11 based WLANs
PublicationA rapid growth of IP-based networks and services created the vast collection of resources and functionality available to users by means of an uniform method of access - an IP protocol. At the same time, advances in design of mobile electronic devices allowed them to reach utility level comparable to stationary, desktop computers, while still retaining their mobility advantage. Unfortunately, the base IP protocol does not perform...
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Model of the double-rotor induction motor in terms of electromagnetic differential
PublicationThe paper presents a concept, a construction, a circuit model and experimental results of the double-rotor induction motor. This type of a motor is to be implemented in the concept of the electromagnetic differential. At the same time it should fulfill the function of differential mechanism and the vehicle drive. One of the motor shafts is coupled to the direction changing mechanical transmission. The windings of the external rotor...
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Modelling of the High Speed Multi-Pole Synchronous Generator for Application in More Electric Aircraft Power Systems
PublicationIn this paper different models of the synchronous generator are presented. The simulation results compared with the measurements are shown. Certain physical phenomena are included in described models for the porpoise of adequate analysis of the more electric aircraft power system. For different modelling levels, such as functional level or behavioural level, different physical phenomena have been included. Simulation results for...
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Uniwersalny model symulacyjny układu napędowego prototypu samochodu elektrycznego 'ELV001'
PublicationW artykule zaprezentowano uniwersalny model symulacyjny układu napędowego prototypu samochodu elektrycznego "ELV001". Opracowany model implementowano do programu Synopsys/Saber. Przedstawiono wybrane wyniki symulacji zużycia energii elektrycznej przez samochód "ELV001" dla przykładowego przejazdu w ruchu miejskim.
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Koncepcja i modelowanie wysokoobrotowego napędu elektrycznego turbosprężarki. Zastosowanie w ogniwach paliwowych pojazdów samochodowych
PublicationAbstract: Electrical vehicles powered by hydrogen fuel cells become a potential alternative to conventional vehicles. The polymer electrolyte membrane (PEM) are typical fuel cells used in fuel cell vehicle (FCV). The global efficiency of a PEM fuel cell stack is greatly impacted by the use of a motorized compressor for the air supply system. The motor-compressor set-up may consume up to 19 % of the energy supplied by the PEM fuel...
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Simulation of the Remanence Influence on the Transient States of the Single-Phase Transformer Including Feedback Preisach Model
PublicationThis paper presents the results of the experimental and simulation investigation concerning the influence of remanence in the core of a single-phase transformer at the no-load transient state. Experimental studies consisted of the discharge of the capacitor through the primary winding at several different values of the residual magnetic flux. The paper presents a model of the transformer test system, taking into account the magnetic...
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SSFR Test of Synchronous Machine for Different Saturation Levels using Finite-Element Method
PublicationIn this paper the StandStill Frequency Response characteristics (SSFR) of saturated synchronous generator (SG) have been calculated using Finite Element Method (FEM) analysis. In order to validate proposed approach for unsaturated conditions FEM simulation from Flux2D software has been compared with the measurements performed on the 10 kVA, 4- poles synchronous machine ELMOR GCe64a of salient rotor construction, equipped with a...
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Wyznaczenie parametrów modelu matematycznego transformatora średniej częstotliwości
PublicationW artykule przedstawiono wyniki badań eksperymentalnych transformatora średniej częstotliwości. Obiektem badań był prototyp transformator jednofazowego z rdzeniem wykonanym z prostopadłościennych elementów ferrytowych i uzwojeniami wykonanymi z przewodów Litz’a. Badania przeprowadzono w celu wyznaczenia parametrów modelu matematycznego transformatora. Zakres badań obejmował wyznaczenie pętli histerezy magnetycznej oraz pomiar impedancji...
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Zastosowanie tranzystorów GaN w wysokoczęstotliwościowych przekształtnikach DC/DC
PublicationW artykule przedstawiono tranzystory mocy z azotku galu (GaN) jako przyrządy, umożliwiające budowanie wysokoczęstotliwościowych przekształtników energoelektronicznych. Opisano tranzystory GaN HEMT SSFET, przedstawiono sposób ich sterowania i czasy przełączeń. Podano wyniki badań eksperymentalnych przekształtnika obniżającego napięcie o sprawności 96,5%, pracującego z częstotliwością przełączeń 500 kHz. Zaprezentowano metodę doboru...
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Design of battery charging system update for glider launcher
PublicationThis paper presents an innovative solution for increasing life of lead-acid batteries used in a glider launcher. The study is focused on upgrading a charging system instead of a costly full replacement of it. Based on literature review, the advanced three-stage charging profile was indicated. The new topology of the power converter was proposed and a simulation model was developed. A simulation study was performed which leads to...
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The acute effects of caffeine intake on time under tension and power generated during the bench press movement
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Correction: Wilk et al. “The Effects of High Doses of Caffeine on Maximal Strength and Muscular Endurance in Athletes Habituated to Caffeine” Nutrients, 2019, 11(8), 1912
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The Effects of High Doses of Caffeine on Maximal Strength and Muscular Endurance in Athletes Habituated to Caffeine
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The Acute Effect of Various Doses of Caffeine on Power Output and Velocity during the Bench Press Exercise among Athletes Habitually Using Caffeine
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The Acute Effects of External Compression With Blood Flow Restriction on Maximal Strength and Strength-Endurance Performance of the Upper Limbs
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Differentiation of Keratinocytes Modulates Skin HPA Analog
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Blood–brain barrier permeability mechanisms in view of quantitative structure–activity relationships (QSAR)
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Three-step stacking by field-enhanced sample injection, sweeping, and micelle to solvent stacking in capillary electrophoresis: Anionic analytes
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Simultaneous determination of creatinine and acetate by capillary electrophoresis with contactless conductivity detector as a feasible approach for urinary tract infection diagnosis
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Three-step stacking of cationic analytes by field-enhanced sample injection, sweeping, and micelle to solvent stacking in capillary electrophoresis
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Different detection and stacking techniques in capillary electrophoresis for metabolomics
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Multidimensional capillary electrophoresis
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Design of Experiments in metabolomics-related studies: An overview
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Sample preparation procedures utilized in microbial metabolomics: An overview
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Sample Concentration of Charged Small Molecules and Peptides in Capillary Electrophoresis by Micelle to Cyclodextrin Stacking
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pH Gradient Reversed-Phase HPLC
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Determination of pKa by pH Gradient Reversed-Phase HPLC
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pH gradient high-performance liquid chromatography: theory and applications
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Extended range of motion does not induce greater muscle damage than conventional range of motion in the bench press exercise
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Linking the diversity of native flora to land cover heterogeneity and plant invasions in a river valley
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The Weekend Bias in Recording Rare Birds: Mechanisms and Consequencess
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Habitat correlates of the Eurasian otter Lutra lutra recolonizing Central Poland
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Acetylcholinesterase inhibitors: structure-activity relationship and kinetic studies on selected flavonoids
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Recent phytochemical and pharmacological advances in the genus Potentilla L. sensu lato – An update covering the period from 2009 to 2020
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Editorial: Food/Diet Supplements From Natural Sources: Current Status and Future Challenges From a Pharmacological Perspective
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A Comprehensive Review of Chemistry, Sources and Bioavailability of Omega-3 Fatty Acids
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Zapotin, a Polymethoxyflavone, with Potential Therapeutic Attributes
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Active farmsteads are year-round strongholds for farmland birds
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Environmental factors affecting the densities of owls in Polish farmland during 1980–2005
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Spatio-Temporal Variation in Predation on Artificial Ground Nests: A 12-Year Experiment
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Forest clear-cuts as additional habitat for breeding farmland birds in crisis
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Hazel Grouse occurrence in fragmented forests: habitat quantity and configuration is more important than quality
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Road mortality of pond-breeding amphibians during spring migrations in the Mazurian Lakeland, NE Poland
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