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Search results for: POWŁOKOWA KŁADKA KOMPOZYTOWA
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Phytoplankton communities of polar regions–Diversity depending on environmental conditions and chemical anthropopressure
PublicationThe polar regions (Arctic and Antarctic) constitute up to 14% of the biosphere and offer some of the coldest and most arid Earth's environments. Nevertheless several oxygenic phototrophs including some higher plants, mosses, lichens, various algal groups and cyanobacteria, survive that harsh climate and create the base of the trophic relationships in fragile ecosystems of polar environments. Ecosystems in polar regions are characterized...
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A semi-empirical model for flow boiling heat transfer with account of the reduced pressure effect
PublicationIn the present study the attention was focused on the influence of reduced pressure on the predictions of heat transfer during flow boiling at the extensive range of pressures. The results of calculations were to test the sensitivity of the in-house flow boiling model with respect to the selection of the appropriate two-phase flow multiplier, which is one of the distinctive elements of that model. For this purpose a few two-phase...
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Comparison of Downdraft and Updraft Gasification of Biomass in a Fixed Bed Reactor
PublicationThe aim of this study was to compare and analyze the gasification process of beech wood. The experimental investigation was conducted inside a gasifier, which can be operated in downdraft and updraft gasification system. The most important operating parameter studied in this paper was the influence of the amount of supply air on the temperature distribution, biomass consumption and syngas calorific value. The results show that...
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Recent advances on SOA formation in indoor air, fate and strategies for SOA characterization in indoor air - A review
PublicationRecent studies proves that indoor air chemistry differs in many aspects from atmospheric one. People send up to 90 % of their life indoors being exposed to pollutants present in gas, particle and solid phase. Particle phase indoor is composed of particles emitted from various sources, among which there is an indoor source – secondary chemical reactions leading to formation of secondary organic aerosol (SOA). Lately, researchers'...
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Local variability in snow concentrations of chlorinated persistent organic pollutants as a source of large uncertainty in interpreting spatial patterns at all scales
PublicationSingle point sampling, a widespread practice in snow studies in remote areas, due to logistical constraints, can present an unquantified error to the final study results. The low concentrations of studied chemicals, such as chlorinated persistent organic pollutants, contribute to the uncertainty. We conducted a field experiment in the Arctic to estimate the error stemming from differences in the composition of snow at short distances...
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Mikrofiltrowany koncentrat soku brzozowego jako innowacyjny, trwały środek spożywczy o wysokiej wartości odżywczej
PublicationIntroduction. The forest environment becomes an increasingly popular place of obtaining raw materials, and one of the most promising product is birch sap. The market for bottled birch sap in Poland is monotonous, relying exclusively on pasteurized, acidified and sweetened drinks. A chance to change this situation is to develop a birch sap concentrate obtained by reverse osmosis. It has a sweet taste desired by consumers and particularly...
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A case study of robust sliding mode control applied to inverted pendulum on a cart
PublicationA control problem of an inverted pendulum on a cart has been addressed in this paper. In particular, a synthesis of alternative sliding mode control for stabilisation of an inverted pendulum at an upper equilibrium point has been investigated. Hence, the feasibility of implementing the developed control system, taking into account primarily the friction of the cart against the gantry and the limited length of the gantry, in a real...
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The Application of Cluster Analysis in the Assessment of the Weldability of Unalloyed Steels
PublicationNon-alloy steels constitute a large group of steels characterised by diversified chemical composition, structural morphology and a wide range of mechanical properties (determining weldability). The paper presents results of multidimensional analyses (based on cluster analysis) of 110 selected unalloyed steel grades. Properties adopted as diagnostic features included the chemical composition, mechanical properties (yield point)...
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Wymiennik ciepła ze wspomaganiem przepływu gazu
Inventions -
Manufacturing Parameters, Materials, and Welds Properties of Butt Friction Stir Welded Joints–Overview
PublicationThe modern and eco-friendly friction stir welding (FSW) method allows the combination of even such materials that are considered to be non-weldable. The development of FSW technology in recent years has allowed a rapid increase in the understanding of the mechanism of this process and made it possible to perform the first welding trials of modern polymeric and composite materials, the joining of which was previously a challenge....
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PARAMETERS OF THE ELECTROPHORETIC DEPOSITION PROCESS AND ITS INFLUENCE ON THE MORPHOLOGY OF HYDROXYAPATITE COATINGS. REVIEW
PublicationMetallic materials intended for bone implants should exhibit not only appropriate mechanical properties, but also high biocompatibility. The surface treatment modifications, for example acidic treatment, laser treatment, ion implantation and deposition of highly biocompatible coatings, are practiced. One of the most popular methods of surface modification is to deposit hydroxyapatite (HAp) coatings. HAp naturally occurs in human...
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Influence of Exhaust System Setup on Working Zone Pollution by Dust during Sawing of Particleboards
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AN INNOVATIVE APPROACH TO PREDICTION ENERGETIC EFFECTS OF WOOD CUTTING PROCESS WITH CIRCULAR-SAW BLADES
PublicationIn the classical approach, energetic effects (cutting forces and cutting power) of wood sawing process are generally calculated on the basis of the specific cutting resistance, which is in the case of wood cutting the function of more or less important factors. The aim of the paper is to present a new calculating model using the application of modern fracture mechanics and to compare cutting parameters of native beech, Bendywood...
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Jakie będą oczyszczalnie 'jutra"?
PublicationRola oczyszczalni ścieków zaczyna wykraczać poza zapewnienie wysokiej efektywności usuwania zanieczyszczeń przy niskim wskaźniku zużycia energii. Obiekty te rozszerzają swoją funkcję w kierunku odzysku zasobów i stają się istotnymi elementami gospodarki o obiegu zamkniętym.
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Ekologia i zarządzanie środowiskiem, S, ZiP, sem.06, letni 21/22 (M:31821W0)
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Zarządzanie Środowiskiem i Ekologia, W, MiBM, sem.06, letni 22/23
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Transport Ciepła i Masy, Ć, MiBM, sem.01, letni 22/23
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Zarządzanie środowiskiem i ekologia, W, MiBM, sem.03, zimowy 22/23
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Heat and Mass Transport, Ć, IDE, sem. 01, letni 22/23
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Zarządzanie środowiskiem i ekologia, W, MiBM, sem.06, letni 21/22 (M:31550W0)
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Transport ciepła i masy, W, MiBM, sem.01, letni 21/22 (PG_00057364)
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Analiza sygnału
e-Learning CoursesAnaliza sygnału: laboratorium prowodzone dla Informatyki Stosowanej, potrzebne oprogramowanie: MathematicaOczywiście istnieje możliwość zapisania się na kurs przez innych studentów w celu przeglądania zamieszczonych materiałów.Kontakt: klaudiawrzask@google.com
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Wysokosprawne wymienniki ciepła i masy, C, E, sem. 02, zimowy 21/22 (PG_00041877)
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Fizyka dla Chemii - ćwiczenia
e-Learning CoursesKurs zawiera materiały do ćwiczeń z fizyki dla Wydziału Chemii
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Application of Mathematics in Technology for Dezhou University, 2022
e-Learning CoursesApplication of Mathematics
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Physics 2, DaPE, sem. 2, W, lato 2021/2022
e-Learning CoursesPhysics 2
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Transport ciepła i masy, C, MiBM, sem.01, letni 21/22 (PG_00057364)
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Transport Ciepła i Masy, W, MiBM, sem.01, letni 22/23
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Ekologia i zarządzanie środowiskiem, W, ZiP, sem.06, letni 21/22 (M:31821W0)
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Zarządzanie Środowiskiem i Ekologia, L, MiBM, sem.06, letni 22/23
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Dydaktyka Nauczania Fizyki i Komputerowe Wspomaganie Procesu Dadaktycznego
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Environmental Protection in Energetics, L, E, sem.01, zimowy 22/23
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Zarządzanie środowiskiem i ekologia, L, MiBM, sem.06, letni 21/22 (M:31550W0)
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Zastosowanie matematyki w technice, Energetyka, W/Ć, sem. 3, zima 22/23, (PG_00042010) - Nadróbka
e-Learning Courseszastosowanie matematyki w technice
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Supplementary Course in Higher Physics DPE tutorial (PG_00056611) zima 21/22
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Fizyka Kwantowa dla Inżyniera Open Access
e-Learning CoursesKurs Fizyka Kwantowa jest propozycją Open Access. Na kurs można się zapisać samodzielnie.
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Transport ciepła i masy, MiBM, W, sem.1, letni 23/24
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Introduction to Higher Physics (PG_00055138), Design and Production Engineering, sem. 01, 2023/24
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Zastosowania techniczne nanocieczy, Ć, NwIMiK (WFTiMS), sem.06, letni 22/23
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Wymiana ciepła, W, E, sem.4, letni 23/24
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Transport ciepła i masy, MiBM, Ć, sem.1, letni 23/24
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test kcho
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Fizyka, Ćwiczenia, MiBM, sem. 05, 2023/24 (PG_00055394)
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Application of Mathematics in Technology, ET, sem 3, 23/24, (PG_00049767)
e-Learning CoursesApplication of Mathematics MOODLE ENV localdevtestprod
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Teoria optymalizacji, WĆ, O, sem 1, letni 22/23
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Wymiana ciepła, W, MiBM, sem.5, zimowy 23/24
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Modelowanie i Symulacja w Technice, Oceanotechnika, niest, W, sem.1, lato 22/23, (PG_00057180)
e-Learning CoursesKurs do przedmiotu Modelowanie i symulacja w technice, PG_00057180
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Environmental Protection in Energetics, L, E, sem.1, zimowy 23/24
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Fizyka, Ćwiczenia, ZiIP, sem 05, 2023/24 (PG_00055063)
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Application of Mathematics in Technology for Dezhou University, 2023
e-Learning CoursesApplication of Mathematics MOODLE ENV localdevtestprod