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Search results for: port knocking
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Transport lądowy w obsłudze portu rzecznego w Elblągu
PublicationW referacie przedstawiono aspekty integracji transportu wodnego z transportem lądowym. Omówiono również elementy techniczne niezbędne dla zaistnienia integracji
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Longitudinal wave propagation. Part II, Analysis of crack influence
PublicationW pracy analizowano wpływ pęknięć zmęczeniowych na propagacje fali wzdłużnej w prętach. Opracowano nowe typy element ów spektralnych oparte na teorii elementarnej, Love'a, Mindlina i trójpostaciowej.
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Longitudinal wave propagation. Part I - Comparison of rod theories
PublicationW pracy przedstawiono modele spektralnych elementów skończonych do analizy propagacji fali wzdłuznej w pretach. Opracowano modele wykorzystujace teorię elementarną, teorie Love'a, teorie Mindlina oraz teorię trójpostaciową.
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Ikony architektury portu w Gdyni-styl i struktura
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Sustainable utilization of copper post-flotation waste in cement composites
PublicationThe current way of managing the copper ore flotation waste is by placing it in waste neutralization facilities. However, flotation waste has great potential in application in cement composites. The article presents the detailed characteristics of post-flotation waste (PFW) and three types of cements: CEM I, CEM II/B-V, and CEM III/A, 42.5 MPa class. The post-flotation waste added for 20% of the cement mass increase the water demand...
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Simulations of flow patterns in silos with a cellular automaton - part 2
PublicationW artykule przedstawiono wyniki symulacji przepływów silosowych przy zastosowaniu zaawansowanego aparatu komórkowego, w którym uwzględniono kolizje cząstek i dysypację energii. Obliczenia wykonano dla przepływu masowego i kominowego.
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A. Computational analysis by molecular docking of thirty alkaloid compounds from medicinal plants as potent inhibitors of SARS-CoV-2 main protease(2020).
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Inhibiting activity of HIV-1: protease, reverse transcriptase and integrase all together by novel compounds using computational approaches (flexible and rigid docking)
PublicationAcquired immunodeficiency syndrome (AIDS), caused by human immunodeficiency virus type 1 (HIV-1) infection, is one of the most challenging diseases in recent decades. Nevertheless the shortcomings of chemical drugs such as toxicity, lack of curative effects, the search for more potent anti-HIV agents have been focused in our study. In current study, novel scaffold was designed having a benzyl and imidazole in it which are very...
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Thermodynamic Studies of Interactions between Sertraline Hydrochloride and Randomly Methylated β-Cyclodextrin Molecules Supported by Circular Dichroism Spectroscopy and Molecular Docking Results
PublicationThe interaction between sertraline hydrochloride (SRT) and randomly methylated β-cyclodextrin (RM β CD) molecules have been investigated at 298.15 K under atmospheric pressure. The method used—Isothermal Titration Calorimetry (ITC) enabled to determine values of the thermodynamic functions like the enthalpy (DH), the entropy (DS) and the Gibbs free energy (DG) of binding for the examined system. Moreover, the stoichiometry coefficient...
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Comparative analysis of mechanical conditions in bone union following first metatarsophalangeal joint arthrodesis with varied locking plate positions: A finite element analysis
PublicationFirst metatarsophalangeal joint arthrodesis is a typical medical treatment performed in cases of arthritis or joint deformity. The gold standard for this procedure is arthrodesis stabilisation with the dorsally positioned plate. However, according to the authors’ previous studies, medially positioned plate provides greater bending stiffness. It is worth to compare the mechanical conditions for bone formation in the fracture callus...
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Procedure based proactive functional safety management for the risk mitigation of hazardous events in the oil port installations including insurance aspects
PublicationThis article addresses selected technical and organization aspects of risk mitigation in the oil port installations with regard to functional safety requirements specified in standards IEC 61508 and IEC 61511. The procedure for functional safety management includes the hazard identification, risk analysis and assessment, specification of overall safety requirements and definition of safety functions. Based on risk assessment results...
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Studium wprowadzenia elektrycznych zespołów trakcyjnych z zasobnikami energii na częściowo zelektryfikowanej trasie Orunia Górna - Port Oksywie
PublicationW artykule rozważono innowacyjny układ przewozów pasażerskich Metropolii Trójmiejskiej. Dla układu z naprzemiennie występującymi odcinkami zelektryfikowanymi i niezelektryfikowanymi wyznaczono zapotrzebowanie energetyczne i dobrano hipotetyczny zasobnik, składający się z baterii akumulatorów oraz superkondesarorów. W wyniku przeprowadzonej analizy wykazano, że zastosowanie elektrycznych zespołów zasobnikowych w stosunku do zespołów...
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Identification of 1H‐indene‐(1, 3, 5, 6)‐tetrol derivatives as potent pancreatic lipase inhibitors using molecular docking and molecular dynamics approach
PublicationPancreatic lipase is a potential therapeutic target to treat diet-induced obesity in humans, as obesity-related diseases continue to be a global problem. Despite intensive research on finding potential inhibitors, very few compounds have been introduced to clinical studies. In this work, new chemical scaffold 1H-indene-(1,3,5,6)-tetrol was proposed using knowledge-based approach, and 36 inhibitors were derived by modifying its...
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Design, synthesis, and molecular docking of new 5-HT reuptake inhibitors based on modified 1,2-dihydrocyclopenta[b] indol-3(4H)-one scaffold
PublicationA new group of serotonin reuptake inhibitors containing 1,2-dihydrocyclopenta[b]indol-3(4H)-one scaffoldwas synthesized, starting from indole 5-((1H-indol-3-yl)(1,3-dioxane-4,6-diones as a key intermediates. Following three transformations including intramolecular cyclization and formation of imines, a series of new ligand for human serotonin transporter was obtained. The ability of these ligands to inhibit human TS3 serotonin transporter...
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Wybrane aspekty drog wodnych środlądowych na zapleczu portu gdanskiego
PublicationW artykule przedstawiono stan istniejący polskich drog wodnych środlądowych, skład floty przewozowej i miejsce polskich drog wodnych w sieci europejskiej. Omowiono równiez możliwości przystosowania portu gdanskiego dla obslugi przewozow środlądowych.
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Architektura portu gdyńskiego lat międzywojennych - najcenniejsze spośród niezachowanych budynków
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Information technology and knowledge management: a predestined integration. Part 2: editorial
PublicationW pracy omówiono możliwość przyszłościowej integracji obszarów technologii informacyjnej oraz zarządzania wiedzą.
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Information technology and knowledge management: a predestined integration. Part 1 : editorial
PublicationW pracy omówiono możliwość przyszłościowej integracj obszarów technologii informacyjnej oraz zarządzania wiedzą
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Forms of expressing anger in hospitalised Ukrainian post-deployed™ service members
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MANAGEMENT OF THE POST-MINING AREAS IN DEVELOPMENT POLICY OF ZIELONA GORA (POLAND)
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Novel analogues of bradykinin conformationally restricted in the C-terminal part of the molecule
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Hyperfine Structure Study of Several Lines of207Pb I – Part II
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Antimicrobial activity of 5-arylidene aromatic derivatives of hydantoin. Part 2
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Electronics and telecommunications in Poland, issues and perspectives: Part I. Society and education
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Selected nutrients determining the quality of different cuts of organic and conventional pork
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Water Reservoirs as an Element of Shaping Water Resources of Post-Mining Areas
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Post-Isometric Back Squat Performance Enhancement of Squat and Countermovement Jump
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R&D in a post centrally-planned economy: The macroeconomic effects in Poland
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Determination of Surfactants in Environmental Samples. Part III. Non-Ionic Compounds
PublicationNon-ionic surface active agents are a diverse group of chemicals which have an uncharged polar head and a non-polar tail. They have different properties due to amphiphilic structure of their molecules. Commercial available non-ionic surfactants consist of the broadest spectrum of compounds in comparison with other types of such agents. Typically, non-ionic compounds found applications in households and industry during formulation...
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Preparation, composition and properties of fish silage produced with post-coagulation sludge
PublicationPost-coagulation sludge was added to fish fydrolyzates (silage). Silage was prepared using whole sprats. Technology of the process has been modified and sulphuric acid was replaced with phosphoric acid. The objective was to evaleuate the quality of produced silage during storage, particulary the changes of peroxide value and amount of free acids in silage fat.
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Geopolitical Perspective of the EU's Post-Pandemic Public Diplomacy Prospects and Challenges
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Spurring the community involvement in planning - lessons from post-socialist cities
PublicationPublic participation and community involvement in planning processes is – in general – not a new topic for contemporary planners. But in many parts of the world – including the post-socialist countries like Poland or Russia – we can still face the lack of understanding of importance of proper community involvement in planning and development processes. Situation in these countries is significantly different from both highly-developed...
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Ionic liquids for nano- and microstructures preparation. Part 2: Application in synthesis
PublicationIonic liquids (ILs) are widely applied to prepare metal nanoparticles and 3D semiconductor microparticles. Generally, they serve as a structuring agent or reaction medium (solvent), however it was also demonstrated that ILs can also play a role of a co-solvent, metal precursor, reducing as well as surface modifying agent. The crucial role and possible types of interactions between ILs and growing particles have been presented in...
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History and Perspective of Treatment Wetland in Poland – Part One: Lesson learned
PublicationEarly implementation of treatment wetlands under supervision of the researchers from were quite promising. The constructed facilities ensured effective wastewater treatment and sludge dewatering. In the next years a number of treatment wetland s systems were constructed without following the designing principles and left without proper maintenance. In the consequence this lead to unsatisfactory treatment results. Investigations...
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Developing a cycling subsystem as part of a sustainable mobility strategy: the case of Gdansk
PublicationModal share is an important component in developing sustainable transport within a city. In recent years, many cities have set modal share targets for balanced and sustainable transport modes: 30% of public transport and 30% of non-motorized (cycling and walking) modes. Gdansk strategic documents have set similar goals with some actions already taken towards those goals. The cycle network is increasing popular. Gdansk’s cycling...
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Separation of post-fermentation glycerol solution by nanofiltration membrane distillation system
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Stability and initial post-buckling behaviour of frame system with vertical bracings
PublicationStalowe hale są budowane jako układ ram płaskich połączonych stężeniami dachowymi i stężeniami pionowymi w postaci krzyżujących się prętów. W pracy przedstawiono analizę stateczności i zachowania pokrytycznego takiego układu poddanego działaniu obciążeń pionowych. Korzystając z warunków stacjonarności całkowitej energii potencjalnej wykazano, że punkt bifurkacji utraty stateczności jest niesymetryczny i niestateczny. Oznacza to,...
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Development of trolleybus public transport in Gdynia as part of sustainable mobility strategy
PublicationIn many EU cities trolleybuses are experiencing a period of revitalization. New lines, new and modern trolley-buses, the use of auxiliary propulsion battery, eco-logical values and others, create great opportunities for that kind of public transport as an effective tool to shape transport policy in accordance with the principles of sustainable mobility. Gdynia is one of three cities in Poland with trolleybuses public transport...
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Inteligentne rozwiązania z zakresu post-processingu dla drukowanych elementów
PublicationCoraz większe zainteresowanie i wykorzystywanie drukowanych elementów w różnych gałęziach przemysłu wiąże się ze stosowaniem odpowiednich metod ich obróbki wykańczającej tzw. post-processing. Tego typu metody służą zazwyczaj poprawie ogólnego wyglądu wydruków, a także ich właściwości mechanicznych i eksploatacyjnych. Celem niniejszego artykułu jest zaprezentowanie wybranych i nowoczesnych rozwiązań z zakresu post-processingu na...
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Construction of tournament robot Mirror taking part in Mini Sumo competition
PublicationW artykule zaprezentowano projekt budowy robota turniejowego, startującego w zawodach Mini Sumo. Omówiono założenia dyscypliny Mini Sumo oraz konstrukcję mechaniczną, algorytmy sterujące i elektronikę zawartą w robocie.
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Characterization of Arctic Driftwood as Naturally Modified Material. Part 1: Machinability
PublicationArctic driftwood has reached the coast of Iceland for centuries. This material was used by the inhabitants of the island as a building material for houses, boats, churches and pasture fences. Nowadays, the driftwood is used in the furniture industry, for the finishing of internal and external walls of buildings and also by artists. The properties of driftwood differ to that of original resource due the long-term effects of exposure...
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The room above the porte cochere of the Kwidzyn castle in the times of Pomesanian chapter
PublicationArtykuł przedstawia historię budowlaną pomieszczenia nad przejazdem bramnym w skrzydle północnym zamku w Kwidzynie w czasach kapituły pomezańskiej. Prezentowane ustalenia uzyskano na podstawie wyników badań architektonicznych, stratygraficznych oraz analizy materiałów archiwalnych, które przeprowadzono w 2017 roku. Według nich pomieszczenie powstało w pierwszym etapie wznoszenia zamku. W kolejnych wiekach podlegało architektonicznym...
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Sport nie tylko w wielkim mieście. Aktywizujące przestrzenie publiczne
PublicationW ostatnich latach sport i rekreacja ruchowa coraz śmielej wkraczają w przestrzeń publiczną miast - ludzie aktywni fizycznie stali się stałym elementem miejskiego krajobrazu. Statystycznie wciąż jednak ruszamy się zbyt mało. Przed architektami i urbanistami stoi więc zadanie projektowania przestrzeni w taki sposób, aby atrakcyjne rozwiązania architektoniczne prowokowały ruch i zróżnicowane formy aktywności fizycznej. Artykuł, skupiając...
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Power electronic systems as a crucial part of Smart Grid infrastructure - a survey
PublicationThis article gives a tutorial overview of the most important issues related to the use of power electronic systems in power engineering, with respect to the urgent need for modernization of existing grids in the direction of intelligent networks. The main problems and conditions bound up with the construction of Smart Grids and the location, as well as functioning in them of the most important power electronic systems are presented...
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Reinforced Secure Gossiping Against DoS Attacks in Post-Disaster Scenarios
PublicationDuring and after a disaster, the perceived quality of communication networks often becomes remarkably degraded with an increased ratio of packet losses due to physical damages of the networking equipment, disturbance to the radio frequency signals, continuous reconfiguration of the routing tables, or sudden spikes of the network traffic, e.g., caused by the increased user activity in a post-disaster period. Several techniques have...
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Fake News: Possibility of Identification in Post-Truth Media Ecology System
PublicationThe main aim of the article is identification of the attitudes towards the processes of identification and verification of fake news in the environment of digital media. The subject of the research refers to the users’ attitudes towards fake news. As indicated by the research, the attitudes towards fake news are not unambiguous. About 2/3 of the respondents claim that they are not able to distinguish fake news from true information;...
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Fake News: Possibility of Identification in Post-Truth Media Ecology System
PublicationInformation comes as basic good which affects social well-being. A modern society and a modern state – its administration, education, culture, national economy and armed forces – cannot function efficiently without a rationally developed field of information. The quality of the functioning of that system depends on a specific feature of information, that is namely: its reliability which makes it possible for us to evaluate accuracy,...
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Phosphorus concentration and availability in raw organic waste and post fermentation products
PublicationThe aim of the study was to determine the mobility of phosphorus forms in raw organic waste and from the solid and liquid fractions of digestate. To achieve the purpose of this study, the components (including livestock manure, agricultural waste, food waste, sewage sludge) and their post fermentation products were considered. Subsequently, the effect of the fermentation process on the mobility of phosphorus forms in post-fermentation fractions...
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Spatial Evolution of the European Container Ports’ System in Perspective of the Location Theory
PublicationThe maritime container terminal is nowadays a spatially incoherent object. From the functional point of view it ends, where their most external components are located. The process of location splitting of container terminals is a new phase of their discrete growth. The external container facilities are being built to improve effectivness of the logistic chain in the hinterland. The new components of container terminals have very...
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The influence of position of the post or its absence on the performance of the cable barrier system
PublicationRoad safety barriers are used to increase safety in potentially dangerous places on the roads. They are designed and installed on the roads to prevent any vehicle from getting outside the travelled way or from entering the opposite lane of the road. Barriers, which are used on European roads, have to undergo full scale crash tests according to the EN 1317 standards. Nowadays as a supplement to real crash tests, numerical simulations...