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Wyniki wyszukiwania dla: FIGURE OF MERIT
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FAILURE OF MAGNETIC FLUID SEALS OPERATING IN WATER: PRELIMINARY CONCLUSIONS
PublikacjaThe article analyses properties of magnetic fluid seals installed in rotary sealing no des which operate in the utility water environment. Seals of this type have been examined as a possible solution to the problem with ship manoeuvring propulsion sealing. The present analysis bases on laboratory durability tests of magnetic fluid seals expo sed to long - term utility water loads, at different water pressures and shaft revolutions....
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The Future of the University? Social Activism among Young Polish Scholars
PublikacjaThe question “Quo vadis, Academia?” is posed by scholars, research administrators, journalists and is also ofound in public opinion in Poland in different contexts. Authors of the article do not call into question the necessity of changes of contemporary universities, but they think that the source of changes should be characterized by a bottom-up approach, especially by those who have already achieved extraordinary scientific...
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Sustainable polymers targeted at the surgical and otolaryngological applications: Circularity and future
PublikacjaThe ongoing climate changes, high air and noise pollution have significant impact on humans’ health. This influence is especially visible in otolaryngology, which focuses on respiratory and hearing systems disfunctions. However, even though surgeries are done in response to diseases related to climate changes, they also have a negative impact on the environment, mostly connected with the inherence of single-use fossil fuel derived...
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Low-Coherence Fibre-Optic Interferometric Sensors
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Conductivity of Fibre Composites with Fractures on the Boundary of Inclusions
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Optical Fibre, Local Measurement Systems For Ships
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Environmemtal Degradation of Ramie Fibre Reinforced Biocomposites
PublikacjaThe estimation of environmental degradibility of different fibre reinforced biocomposites in Baltic sea and in compost with activated sludge under natural conditions is the subject of this paper. Two types of biocomposites, ramie fibre/ecoflex and ramie fibre/cellulose nanofibre reinforced corn starch resin, were studied.It was demonstrated that the biocomposites with natural fibre of ramie were degraded in compost faster than...
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Environmental Degradation of Ramie Fibre Reinforced Biocomposites
PublikacjaThe degradation process of two kinds of biocomposites, Ramie fibre/Ecoflex R/E and ramie fibre/cellulose nanofibre reinforced corn starch resin R/CS, were studied. It was demonstrated that R/CS degraded faster in natural environments.
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The PARAGON Heart Failure trial – ongoing investigation of the angiotensin receptor antagonist/neprilysin inhibitor sacubitril/valsartan in heart failure patients with hypertension and preserved ejection fraction
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Prefabricated structures under earthquake excitation: damage and failure of connection joints
PublikacjaCelem artykułu jest analiza zachowania się złączy pomiędzy elementami belkowymi a słupami w konstrukcjach prefabrykowanych poddanych obciążeniom dynamicznym powstającym podczas trzęsień ziemi. Wyniki przedstawione w pracy, uzyskane na podstawie badań numerycznych przeprowadzonych dla wybranego modelu konstrukcji, pokazują, iż złącza są najsłabszym elementem wymagającym zwrócenia szczególnej uwagi przy projektowaniu konstrukcji...
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Future hosts for fast and high light output cerium-doped scintillator
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Advances in Rosin-Based Chemicals: the Latest Recipes, Applications and Future Trends
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Enhanced Sympathetic and Ventilatory Responses to Central Chemoreflex Activation in Heart Failure
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Physical activity of future health care professionals: adherence to current recommendations
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Machine-to-Machine communication and data processing approach in Future Internet applications
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The Sustainable Future of Carbon Farming with Virginia Fanpetals, a Carbon-Negative Species
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Predictive Factors of Late Venous Aortocoronary Graft Failure: Ultrastructural Studies
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Future Challenges and Issues in Evolution of the Smart Grid and Recommended Possible Solutions
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Pyrolysis of Waste Biomass: Technical and Process Achievements, and Future Development-A Review
PublikacjaPyrolysis has been applied in the human economy for many years, and it has become a significant alternative to the production of chemical compounds, including biofuels. The article fo-cuses mostly on recent achievements in the technical and processing aspects of pyrolysis. The aim of the review is to present the latest research on the process of waste biomass pyrolysis to fuel production. The paper describes the mechanisms of...
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Sympathetic Activation in Chronic Heart Failure: Potential Benefits of Interventional Therapies
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Acute renal failure due to leptospirosis. Diagnostic challenges – a case report
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Theory and implementation of a virtualisation level Future Internet defence in depth architecture
PublikacjaAn EU Future Internet Engineering project currently underway in Poland defines three parallel internets (PIs). The emerging IIP system (IIPS, abbreviating the project’s Polish name), has a four-level architecture, with level 2 responsible for creation of virtual resources of the PIs. This paper proposes a three-tier security architecture to address level 2 threats of unauthorised traffic injection and IIPS traffic manipulation...
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Ślady przeszłości w miastach przyszłości = Traces of The Past in Cities of The Future
PublikacjaPamięć zbiorowa we współczesnym mieście wizualizuje się dzięki różnorodnym środkom artystycznego wyrazu. Obok monumentalnych rzeźb na cokołach i wielkoprzestrzennych założeń pomnikowych realizowane są niewielkie nośniki pamięci zbiorowej, których zadaniem jest ukierunkowanie uwagi przechodnia na ''mikrohistorie'' związane nierozerwalnie z dziejami miasta. Powstają symboliczne ''haki'' i ''potykacze'', które wprowadzają do przestrzeni...
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The development of the highway network in Poland and the future development of Polish ferry shipping
PublikacjaCelem artykułu jest przedstawienie znaczenia budowy sieci dróg i autostrad w Polsce, zarówno dla rozwoju żeglugi promowej, jak całej gospodarki kraju. W artykule przedstawiono między innymi obecną sytuację infrastruktury drogowej w Polsce, a także plany jej rozbudowy na tle zaplanowanych korytarzy tranportowych przebiegającyh przez Polskę.
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Computer aided failure modes and effect analysis of safety related controlsystem
PublikacjaW artykule przedstawiamy problem związany z podniesieniem bezpieczeństwa funkcjonalnego elementów wykonawczych na przykładzie zaworu regulacyjnego. Jest to istotne z punktu widzenia pracy całego układu, ponieważ elementy wykonawcze decydują o wypełnieniu misji związanej z produkcją lub bezpieczeństwem. Stosowanie analizy FMECA na etapie projektowania umożliwia wyznaczenie krytycznych uszkodzeń z całego ich zbioru oraz określenie...
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Sustainability reporting in the airline industry: Current literature and future research avenues
PublikacjaSustainability reporting (SR) allows organisations to communicate their non-financial impacts to stakeholders. It has also become a widespread business practice in aviation, a transport sector that contributes significantly to global warming. Academia has begun to examine SR in the context of airlines surprisingly late, and no comprehensive reviews of its respective developments have been made so far. Consequently, a systematic...
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Shaping the competence of future spatial policymakers for small- and medium-sized towns
PublikacjaIn this article, the authors aim to present issues addressed within the framework of the architecture and spatial development courses offered by the Faculty of Architecture at Gdańsk University of Technology (FA-GUT), Gdańsk, Poland. These issues concern competence in the education of future spatial planners and their readiness to deal with the development challenges facing small- and medium-sized towns. Within the article, the...
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Employees With Autism Spectrum Disorders in the Digitized Work Environment: Perspectives for the Future
PublikacjaThe aim of this article is to examine the opportunities for employees with autism spectrum disorders (ASDs), arising from digital technology (DT) development. The author discusses assistive technology (AT) as a mean of creating a better work environment, making the digitized workplace more friendly for people with ASD. A possible solution of communication problems is replacing the interpersonal communication between employees with...
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Biopolymer-based composites for tissue engineering applications: A basis for future opportunities
PublikacjaBiomimetic scaffolds supporting tissue regeneration are complex materials with multifunctional characteristics. The unique biocompatibility and biodegradability of biopolymers make them excellent candidates for tissue engineering and regenerative medicine. Biopolymers, which have a wide range of properties, can be obtained from different natural sources. Depending on the target tissue, biopolymers can be engineered to meet a series...
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Green Approaches in Rubber Recycling Technologies: Present Status and Future Perspective
PublikacjaAs a consequence of massive production and consumption of rubbers, rubber blends, and rubber composites for myriad applications, elastomeric products have enormously accumulated and become an environmental threat. The disposal and burning of rubber wastes have been banned because of environmental and economic reasons. By contrast, a great deal of attention has been directed toward strategies enabling recycling and reuse of rubbers....
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Olfactory receptor-based biosensors as potential future tools in medical diagnosis
PublikacjaThe detection of biomarkers is the future of non-invasive medical diagnosis and screening. Discovery and identification of reliable disease specific volatile organic compounds is dependent on repeatable, accurate analysis of trace level gaseous analytes mainly in breath samples. Natural variety of the olfactory systems and the compounds capable of gas molecules binding creates wide possibilities of acquisition and implementation...
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Failure model of main elements of the ship engine crankshaft-piston assembly
PublikacjaThe paper presents a failure model of main elements of the crankshaft-piston assembly, based on failures ofcrankshaft-piston assembly and timing gear system of the Sulzer RD engines, retrieved from the equipment reliabilitydata of selected ships.
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Thermal failure of a second rotor stage in heavy duty gas turbine
PublikacjaThe impulse mode of operation and the supply of various types of fuels causes frequent failures even in the heavy duty gas turbines. The paper presents the ravages of second rotor stage failure in a gas turbine. The excessive thermal elongation rise caused by fuel change was indicated as the main cause. We applied nonlinear numerical analysis, preceded by thermodynamic calculations of the turbine and visual inspection of the effects...
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Assessment of Citizens’ Actions against Light Pollution with Guidelines for Future Initiatives
PublikacjaDue to the wide reach of media reports about scientific research and technological tools such as the world wide web (WWW), the Internet, and web browsers, citizens today have access to factual information about the negative impact of artificial light at night (ALAN) on their dark skies, and their health and well-being. This means they can now make educated decisions and take the necessary steps to help protect themselves and their...
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Tensile validation tests with failure criteria comparison for various GFRP laminates
PublikacjaThe paper studies the mechanical properties of glass fibre reinforced polymers (GFRP) with various types and orientation of reinforcement. Analyzed specimens manufactured in the infusion process are made of polymer vinyl ester resin reinforced with glass fibres. Several samples were examined containing different plies and various fibres orientation [0, 90] or [+45, –45]. To assess the mechanical parameters of laminates, a series...
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Examining Ownership Equity as a Psychological Factor on Tourism Business Failure Forecasting
PublikacjaThis paper examines ownership equity as a predictor of future business failure within the tourism and hospitality sectors. The main goals of this study were to examine which ratios are the most important for a tourism business failure forecasting model and how significant is the “total percentage of equity ownership by company directors” ratio compared with other ratios associated with the probability of bankruptcy. A stepwise...
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Application of ionic liquids in microextraction techniques: Current trends and future perspectives
PublikacjaIonic liquids (ILs) with their unique properties found so far numerous analytical applications. Among them ILs both in their liquid form and immobilized on the surface or within the pores of a solid support were successfully utilized in microextraction techniques. The scope of this review will cover a comprehensive summarizing of available literature data on selected properties of ILs playing a key role in analytical purposes,...
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In-plane shear nonlinearity in failure behavior of angle-ply laminated shells
PublikacjaThe paper concerns the progressive failure analysis of laminates with the in-plane shear nonlinearity accounted for.The nonlinear shear response of the layer is described by the constitutive relation treating the stresses as a function of strains. Thus it can be easily incorporated into the displacement-based FEM codes. The brittle failure mechanisms of the fibers and the matrix of the layer are recognized with the use of the Hashin...
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Green Chemistry in Higher Education: State of the Art, Challenges, and Future Trends
PublikacjaNowadays, there is increasing interest in global sustainability, and thus, university students would like to know how human actions affect the health status of our planet. This is mainly due to their basic knowledge of problems such as global warming and greenhouse gases. Students would like to gain knowledge on how to safeguard the earth for future generations. This must involve changes in education programs at interested institutions...
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Lamb wave-based monitoring of shear failure of an adhesive lap joint
PublikacjaThe paper presents a study on the elastic wave propagation in adhesive joints of steel plates subjected to tensile loading. A single lap joint was chosen for analysis because of its simplicity and plurality of applications. Experimental investigations consisted of the uniaxial extension of prepared specimens. Force and displacement values were recorded by a testing machine. Simultaneously, guided Lamb waves were excited and signals...
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Special techniques and future perspectives: Simultaneous macro- and micro-electrode recordings
PublikacjaThere are many approaches to studying the inner workings of the brain and its highly interconnected circuits. One can look at the global activity in different brain structures using non-invasive technologies like positron emission tomography (PET) or functional magnetic resonance imaging (fMRI), which measure physiological changes, e.g. in the glucose uptake or blood flow. These can be very effectively used to localize active patches...
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Reduction of road traffic noise by source measures — present and future strategies
PublikacjaThe current trend worldwide is less focused on reducing road traffic noise. This is in strong contrast to the severe impact of traffic noise to the general health and quality of life. A more holistic and combined strategy is needed. Current international rules and regulations regarding vehicles and tyres are not sufficient to reduce traffic noise levels in an effective way. Calculations show that these regulations will only yield...
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The future of the logistician education in Poland and Ukraine: comparative analysis of the student’s opinion
PublikacjaBackground: A professional future is the next logical step after a student completes their chosen degree course. More frequently, even during their studies, young people seek opportunities to participate in various conferences, training courses, internships, work placements, and to travel abroad, etc. All of this has one main goal - to increase the student's attractiveness as a potential employee on the labour market. Thus, it...
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Co-Living or a “Sandpit” for Future Entrepreneurs. First Experience from Poland.
PublikacjaNowadays, the Western world seems saturated with the myriad of enhancements for entrepreneurship development. Also, in Eastern European countries we observe a growing number of initiatives at different organizational levels, aiming at accompanying potential future entrepreneurs in their efforts. Meanwhile, there is one novelty, never before offered on the Polish market – the first co- -living space, launched in Gdañsk. Therefore,...
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Corporate Social Responsibility and Family Business: Current Debates and Future Prospects
PublikacjaThis paper aims at examining the main perspectives on corporate social responsibility (CSR) in family firms discussed in international literature. The topic of CSR has grown exponentially in the last two decades in both, business practice and as an area of interest among academics and researchers. Most studies focus on multinational corporations, some on small and medium enterprises (SMEs) and the smallest number on family business...
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Failure of austenitic stainless steel tubes during steam generator operation
PublikacjaThe article presents the failure process of austenitic stainless steels used in power devices, such as heat exchangers, steam generators, in terms of local corrosion: pitting, stress and intergranular corrosion, paying particular attention to welded joints area. The effect of steel chemical composition, microstructure, welding process and work environment was analyzed. The second part of the article presents the results of the...
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Cost-Efficient Optical Fronthaul Architectures for 5G and Future 6G Networks
PublikacjaFifth-generation and Beyond (5GB) wireless networks have introduced new centralized architectures such as cloud radio access network (CRAN), which necessitate extremely high-capacity low latency Fronthaul (FH). CRAN has many advantageous features in terms of cost reduction, performance enhancement, ease of deployment, and centralization of network management. Nevertheless, designing and deploying a cost-efficient FH is still a...
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Frontier education for a sustainable future - speculative design in architecture as a transdisciplinary experiment
PublikacjaIn this article, the authors propose the term frontier education referring to the well-established notion of frontier research - one, that through opening unexpected transdisciplinary perspectives, may offer new insights and create a fertile ground for new discoveries and ground-breaking concepts. In answer to the question of how to get rid of normative thinking and extend architectural experimentations, a speculative design architectural...
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Echocardiographic correlates of dyspnoea during acute decompensated heart failure treatment
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Evaluation of strength, deformability and failure mode of composite structural insulated panels
PublikacjaW pracy przedstawiono wyniki badań wytrzymałościowych na zginanie i ściskanie paneli kompozytowych CSIP. Panele składają się z 2 sztywnych okładzin cementowo-magnezjowych zbrojonych włóknem szklanym oraz miękkiego rdzenia ze styropianu. Panele charakteryzują się m.in. niskim ciężarem, szybkim i łatwym montażem oraz wysoką wytrzymałością, ognioodpornością, odpornością na korozję i izolacyjnością cieplną.