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Search results for: KARTA KREDYTOWA
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In vitro effect of three-dimensional (3D) titanium mini-plate systems used for surgical treatment of condylar fractures on interleukin 1 (IL-1) and interleukin 6 (IL-6) concentration in THP-1 macrophages
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In Vitro Effect of 3D Plates Used for Surgical Treatment of Condylar Fractures on Prostaglandin E2 (PGE2) and Thromboxane B2 (TXB2) Concentration in THP-1 Macrophages
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VARIOUS PRESENTATION OF NOISE PERCEPTION IN BYDGOSZCZ GREEN AREAS
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REALIZACJA NOWYCH WYMAGAŃ UE DOTYCZĄCYCH WZROSTU EFEKTYWNOŚCI ENERGETYCZNEJ DLA BUDYNKÓW UŻYTECZNOŚCI PUBLICZNEJ W POLSCE NA PRZYKŁADZIE ZIELONEJ GÓRY
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Renewable Energy Sources in the Lubusz Voivodship (Poland). The Present Conditions and Perspectives for Development
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The Medical Relevance of Toxoplasma Infections in Terms of the Safety of Blood Recipients under Immunosuppression—A Meta-Analysis
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Concept of cavitation erosion assessment of austenitic 1.4301 stainless steel based on roughness development
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Influence of Montmorillonite on the Properties of Silicone Pressure-Sensitive Adhesives: Preparation of a Double-Sided Tape Based on the Best Composition
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Vitamin D Metabolism Gene Polymorphisms and Their Associated Disorders: A Literature Review
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Development of headspace-gas chromatography-flame ionization detection procedure to determine volatile fatty acids in zoo organic waste leachate
PublicationNadrzędnym celem pracy było opracowanie metodyki oznaczania lotnych kwasów tłuszczowych z fazy nadpowierzchniowej opartej na chromatografii gazowej z detektorem płomieniowo-jonizacyjnym oraz sprawdzenie jej przydatności w analizie próbek odcieku ze składowiska odpadów ogrodu zoologicznego. Na podstawie przeprowadzonych badań określono warunki, w jakich przebiegać powinna izolacja lotnych kwasów tłuszczowych, a także określono najlepsze...
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Tracking of the Multimodal Ordering Process in FePd Alloy
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The Influence of Slice Thickness, Sharpness, and Contrast Adjustments on Inferior Alveolar Canal Segmentation on Cone-Beam Computed Tomography Scans: A Retrospective Study
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Multibeam Echosounder and LiDAR in Process of 360-Degree Numerical Map Production for Restricted Waters with HydroDron
PublicationIn order to increase the safety of inland navigation and facilitate the monitoring of the coastal zone of restricted waters, a model of multi-sensory fusion of data from hydroacoustic and optoelectronic systems mounted on the autonomous survey vessel HydroDron will be developed. In the research will be used the LiDAR laser scanner and multibeam echosounder. To increase the visual quality and map accuracy, additionally side scan...
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Recurrent Neural Network Based Adaptive Variable-Order Fractional PID Controller for Small Modular Reactor Thermal Power Control
PublicationThis paper presents the synthesis of an adaptive PID type controller in which the variable-order fractional operators are used. Due to the implementation difficulties of fractional order operators, both with a fixed and variable order, on digital control platforms caused by the requirement of infinite memory resources, the fractional operators that are part of the discussed controller were approximated by recurrent neural networks...
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Organic syntheses greenness assessment with multicriteria decision analysis
PublicationGreen chemistry requires a metrics system that is comprehensive by the criteria included and simple in the application at the same time. We propose the application of multicriteria decision analysis for com- parative greenness assessment of organic synthesis procedures. The assessment is based on 9 criteria (the reagent, reaction efficiency, atom economy, temperature, pressure, synthesis time, solvent, catalyst and reactant) for...
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On the Use of Selected 4th Generation Nuclear Reactors in Marine Power Plants
PublicationThis article provides a review of the possibility of using different types of reactors to power ships. The analyses were carried out for three different large vessels: a container ship, a liquid gas carrier and a bulk carrier. A novelty of this work is the analysis of the proposal to adapt marine power plants to ecological requirements in shipping by replacing the conventional propulsion system based on internal combustion engines...
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Optimisation of turbine shaft heating process under steam turbine run-up conditions
PublicationAn important operational task for thermal turbines during run-up and run-down is to keep the stresses in the structural elements at a right level. This applies not only to their instantaneous values, but also to the impact of them on the engine lifetime. The turbine shaft is a particularly important element. The distribution of stresses depends on geometric characteristics of the shaft and its specific locations. This means a groove manufactured...
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Effect of Thermal Treatment and Erosion Aggressiveness on Resistance of S235JR Steel to Cavitation and Slurry
PublicationS235JR steel is used in many applications, but its resistance to the erosion processes has been poorly studied. To investigate this resistance, cavitation, and slurry erosion tests were conducted. These tests were carried out at different erosion intensities, i.e., different flow rates in the cavitation tunnel with a system of barricades and different rotational speeds in the slurry pot. The steel was tested as-received and after...
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Analiza produktów degradacji emitowanych podczas regeneracji gumy
PublicationWyznaczenie profilu emisji oraz wytypowanie charakterystycznych związków chemicznych uwalnianych z powierzchni opracowanych materiałów polimerowych może stanowić jeden z elementów kontroli ich jakości. W pracy przedstawiono wyniki badań emisji związków chemicznych z grupy lotnych związków organicznych uwalnianych z odpadów gumowych podczas ich przetwórstwa przy użyciu współbieżnej wytłaczarki dwuślimakowej. Ponadto, przedstawiono...
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Minute and diverse in fossil sticky stuff: Tanytarsini (Diptera: Chironomidae) from early Eocene Indian Cambay amber
PublicationWe here present a pioneering systematic review of fossil dipterans of the tribe Tanytarsini (family Chironomidae) discovered in Indian amber from Cambay. The specimens examined belong to five species: Gujaratomyia miripes, Stempellina stebneri sp. nov., Stempellinella pollex sp. nov., Tanytarsus forfex sp. nov. and Tanytarsus ramus sp. nov., which are described. All species belong to the oldest known Tanytarsini and come from the...
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Searching for Solvents with an Increased Carbon Dioxide Solubility Using Multivariate Statistics
PublicationIonic liquids (ILs) are used in various fields of chemistry. One of them is CO2 capture, a process that is quite well described. The solubility of CO2 in ILs can be used as a model to investigate gas absorption processes. The aim is to find the relationships between the solubility of CO2 and other variables—physicochemical properties and parameters related to greenness. In this study, 12 variables are used to describe a dataset...
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Wpływ rodzaju kwasu jako dodatku do eluentu na parametry rozdzielania polifenoli techniką chromatografii cieczowej w odwróconych układach faz (RP-HPLC)
PublicationChromatografia cieczowa jest jedną z technik wykorzystywanych w badaniach składu mieszanin, a także do wydzielania czystych składników z mieszanin w postaci frakcji eluatu. Z punktu widzenia współczesnej chemii, farmakologii, a także medycyny, czy biotechnologii, chromatografia pełni ważną rolę, w zakresie analityki jakościowej i ilościowej. Dzięki możliwości otrzymywania naturalnych składników biologicznie czynnych w czystej...
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Principles and applications of Ligation Mediated PCR methods for DNA-based typing of microbial organisms
PublicationA significant number of DNA-based techniques has been introduced into the field of microorganisms’ characterization and taxonomy. These genomic fingerprinting methods were developed to detect DNA sequence polymorphisms by using general principles, such as restriction endonuclease analysis, molecular hybridization, and PCR amplification. In recent years, some alternative techniques based on ligation of oligonucleotide adapters before...
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Społeczna odpowiedzialność biznesu w kontekście strategii wybranych spółek posiadających istotne znaczenie dla gospodarki
PublicationPrzedmiotem badań jest analiza sposobów realizacji strategii społecznej odpowiedzialności biznesu przez przez wybrane spółki z udziałem Skarbu Państwa.
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Review of Methods for Diagnosing the Degradation Process in Power Units Cooperating with Renewable Energy Sources Using Artificial Intelligence
PublicationThis work is based on a literature review (191). It mainly refers to two diagnostic methods based on artificial intelligence. This review presents new possibilities for using genetic algorithms (GAs) for diagnostic purposes in power plants transitioning to cooperation with renewable energy sources (RESs). The genetic method is rarely used directly in the modeling of thermal-flow analysis. However, this assignment proves that the...
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Comparative study of a combined heat and power plant retrofitted by CO2 capture during the combustion of syngas from sewage sludge gasification versus zero-emission combustion of hydrogen produced using renewables
PublicationWith ecological requirements aimed at limiting the production of CO2, it is necessary to produce all, or most of the energy from RES. During the transformation process, ecological and highly efficient combustion power plants will be needed. The classic cycle of combined heat and power (CCGT) with green improvements will continue to be one of the most suitable technologies for this task. This article presents the modernization of...
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Comparative Analysis of Numerical and Experimental Studies of the Airflow Around the Sample of Urban Development
PublicationIn 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...
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Labour share and income inequalities in the European Union, taking into account the level of development of economies
Publicationesearch background: The relationship between labour share and income inequality is a complex and multifaceted problem. Despite ongoing discussions among economists, there is still no consensus on the direction of the relationship between labour share and income ine-quality. Purpose of the article: The article aims to assess the impact of labour share on income inequal-ity, which is measured in three ways: the Gini index...
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MARS - BAZA. warsztaty pozaziemskiej architektury ekstremalnej. Warsztaty w ramach Bałtyckiego Festiwalu Nauki
PublicationJak przetrwać w różnych warunkach? Czego potrzebujemy, by przeżyć, a czego, by żyć wygodnie? Poszukamy odpowiedzi na te pytania, by stanąć przed nie lada misją: wspólnie podejmiemy się największego wyzwania przyszłości - zbudujemy bazę na Marsie! Budowa schronienia, bazy, domu - troska o zaspokojenie podstawowych potrzeb towarzyszy nam od zawsze, a budowanie jest jednym z pierwszych trwałych działań ludzi, pomagającym spełnić...
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Mental Health Impact of SARS-COV-2 Pandemic on Long-Term Care Facility Personnel in Poland
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Development of an Autochthonous Microbial Consortium for Enhanced Bioremediation of PAH-Contaminated Soil
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The last meal: large insects predominate the diet of the European Roller Coracias garrulus prior to population extinction
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Chemoreflexes – physiology and clinical implications
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Absolwent uczelni technicznej na rynku pracy - na przykładzie badań absolwentów Politechniki Gdańskiej z rocznika 2010
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The Thin-Layer Microchromatography (μTLC) and TLC–FID Technique as a New Methodology in the Study of Lubricating Oils
PublicationThis paper concerns the possibility of using TLC coupled with a flame ionization detector (FID) and micro-TLC (μTLC) as precursors for microfluidized devices of analytical techniques to identify and determine the presence and content of the petroleum/vegetable oil base in the lubricating oils applied in cutting devices (chainsaws). This research is related to the problem of ensuring, in compliance with the requirements of environmental...
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Capacitively coupled ECG measurements - a CMRR circuit improvement
PublicationA typical galvanic-connected electrocardiogram (ECG) measurement system utilizes two signal’s electrodes and a third one in driven-right-leg (DRL) circuit for improving a common-mode rejection ratio(CMRR) of the acquisition system. In capacitive-coupled ECG similar techniques are used, however it is expected, that the utilized DRL subsystem is formed using a capacitive coupling approach, too. An improvement of the acquisition system...
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Investigation of noises in the EPN weekly time series
PublicationThe constantly growing needs of permanent stati ons’ velocities users cause their stability level to increase. To this research we included more than 150 stations located across Europe operating within the EUREF Permanent Network (EPN) w ith weekly changes in the ITRF2005 reference frame. The obvious long-range dependencies in the stochastic part of GPS time series were p roven by Ljung-Box...
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Antimicrobial molecular nanocarrier–drug conjugates
PublicationMany antimicrobial drugs are poorly active against pathogenic microbes causing intracellular infections, such as Mycobacterium tuberculosis or Plasmodium falciparum. On the other hand, several known antimicrobial agents are not effective enough because of their limited cellular penetration. A common feature of both challenges is the inability of an active agent to cross the biological membrane(s). One of the possible approaches...
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Comparison analysis of selected nuclear power plants supplied with helium from high-temperature gas-cooled reactor
PublicationThe article presents results of efficiency calculations for two 560 MW nuclear cycles with high-temperature gas-cooled reactor (HTGR). An assumption was made that systems of this type can be used in so-called marine nuclear power plants. The first analysed system is the nuclear steam power plant. For the steam cycle, the efficiency calculations were performed with the code DIAGAR, which is dedicated for analysing this type of systems....
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Techniki chromatografii cieczowej, stosowane w analityce technicznej procesów hydrolizy biomasy ligno-celulozowej - BMLC. Przegląd
PublicationObróbka wstępna biomasy ligno-celulozowej (BMLC) realizowana z zastosowaniem kwasów, zasad oraz enzymów jest ważnym etapem przetwarzania surowca przed procesem fermentacji. Podczas hydrolizy złożone struktury biopolimerów: celulozy, hemicelulozy i ligniny rozpadają się do związków o małej masie cząsteczkowej (cukry, oligosacharydy, związki fenolowe). Jednak nie jest to proces łatwy i wymaga doboru odpowiednich warunków procesu,...
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Specific Chemical and Genetic Markers Revealed a Thousands-Year Presence of Toxic Nodularia spumigena in the Baltic Sea
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Mercury in immature and adults Herring Gulls (Larus argentatus) wintering on the Gulf of Gdańsk area
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Tissue fixed with formalin and processed without paraffin embedding is suitable for imaging of both peptides and lipids by MALDI-IMS
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Application of photoactive electrospun nanofiber materials with immobilized meso-tetraphenylporphyrin for parabens photodegradation
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Research and applications of active bearings: A state-of-the-art review
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Integration of advanced oxidation and membrane filtration for removal of micropollutants of emerging concern
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Modeling of Ozonation of Reactive Black 5 Through a Kinetic Approach
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Brine Recycling from Industrial Textile Wastewater Treated by Ozone. By-Products Accumulation. Part 2: Scaling-Up
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Heterogeneous Oxidation of Phenolic Compounds with Photosensitizing Catalysts Incorporated into Chitosan
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Characterization of fatty acids composition in the European beaver (Castor fiber L.).
PublicationW 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...