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Wyniki wyszukiwania dla: AMBIENT TEMPERATURE INFLUENCE
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An influence of the ship's block coefficient implementation on the evaluation of it's hull girder bending
PublikacjaAn influence of the three different ways of implementation ship's block coefficient δ (three geometrical models) on the stresses due to wave bending moment have been investigated. Two models have been applied and compared: beam one (description of the shape usingparameters) and FEM shell model (direct representation of the shape). The outcomes have been compared to Polish Register of Shipping (PRS) rules. The results show that...
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Influence of excitons interaction with charge carriers on photovoltaic parameters in organic solar cells
PublikacjaWe report on theoretical analysis of excitons annihilation on charge carriers in organic solar cells. Numerical calculations based on transient one-dimensional drift-diffusion model have been carried out. An impact of three quantities (an annihilation rate constant, an exciton mobility and a recombination reduction factor) on current density and concentrations of charge carriers and excitons is investigated. Finally, we discuss...
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The influence of accumulation area and the length of pedestrian route on functioning of roundabouts with traffic signals
Publikacjatraffic volumes. This kind of intersection is commonly used in the centres of Polish cities on multilane roads and fairly common in the case of tram lines running through a central island. The increase of traffic flow volumes on left turn and U-turn has made this type of roundabout difficult to operate. Small storage areas around central islands are critical places that significantly influence the capacity of this kind of intersection....
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Influence of a Radio Frequency on RF Fingerprinting Accuracy Based on Ray Tracing Simulation
PublikacjaIn this paper the influence of a radio signal frequency on performance of Indoor Positioning System based on fingerprinting has been examined using ray-tracing simulations. It has been simulated how spatial distribution of an RF signal strength change with the signal’s frequency. The results were used to show its’ impact on the behavior of localization algorithms that are employing RSS measurements to determine node’s position...
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Assessment of User Mobility’s Influence on System Loss in Several Body-to-Body Scenarios
PublikacjaIn this paper, Body-to-Body communications in indoor and outdoor environments for different on-body antenna configurations and different mobility scenarios were studied, based on system loss measurements at 2.45 GHz. The main objective is to properly characterise the influence of the Transmitter-Receiver configuration on system loss and fast fading behaviour, the latter being modelled by the Rice Distribution. Globally, it is observed...
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An impact of ambient parameters change on steam and gas turboset control. The International Conference on ''Turbines of Large Output'' devoted to 100th Anniversary of prof. Robert Szewalski Birthday.
PublikacjaPorównano wpływ zmian parametrów otoczenia (ciśnienia i temperatury) na charakterystyki turbiny parowej i gazowej. Na tej podstawie zbadano wpływ tych parametrów na charakterystyki układu kombinowanego parowo-gazowego. Przedstawiono, w związku z tym, koncepcję kompensatora wpływu zmian parametrów otoczenia na charakterystyki układu kombinowanego parowo-gazowego.
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Time series analysis and impact assessment of the temperature changes on the vegetation and the water availability: A case study of Bakun-Murum Catchment Region in Malaysia
PublikacjaThe Bakun-Murum (BM) catchment region of the Rajang River Basin (RRB), Sarawak, Malaysia, has been under severe threat for the last few years due to urbanization, global warming, and climate change. The present study aimed to evaluate the time series analysis and impact assessment of the temperature changes on the vegetation/agricultural lands and the water availability within the BM region. For this purpose, the Landsat data for...
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Traffic Type Influence on QoS Network Performance of Streaming Traffic Class
PublikacjaFeasibility study on QoS routing proved that the traffic type influence the network performance. The performance is defined here as a number of packets serviced by the network. In the paper additional element - buffers lengths used in service system was verified in terms of dependencies with routing performance. We present results obtained by simulation for many simulation scenarios. Analysis was done for two different network...
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Influence of finishing colour on the efficiency of automated production line for wooden doors
PublikacjaPorta KMI Poland S.A. company has implemented a fully automated intelligent technological line TechnoPORTA for customized mass-production of technical door leaves. Each door leaf is provided with a unique QR code. It allows the line modules to individually adjust the machining parameters to the currently processed element according to the IT controlling system. Before en-tering the TechnoPorta line, the door leaves are not sorted,...
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Application of Monte-Carlo method to modelling influence of selected soil heterogeneity on macrodispersion of pollutants in unsaturated soil medium
PublikacjaThe influence of soil heterogeneity on miscible solute transport in soil is analyzed. The transport process is simulated numerically using the Monte-Carlo method. This paper shows how different types of soil heterogeneity influence the process of contaminant spreading. If independent flow paths exist in the soil, the degree of the mixing of pollutants in the outflow from the soil profile is larger. If the preferential flow paths...
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Effect of sintering temperature on electrochemical performance of porous SrTi1-xFexO3-δ (x = 0.35, 0.5, 0.7) oxygen electrodes for solid oxide cells
PublikacjaThis work evaluates the effects of the sintering temperature (800 °C, 900 °C, 1000 °C) of SrTi1-xFexO3-δ (x = 0.35, 0.5, 0.7) porous electrodes on their electrochemical performance as potential oxygen electrode materials of solid oxide cells. The materials were prepared by a solid-state reaction method and revealed the expected cubic perovskite structure. After milling, the powders were characterised by a sub-micrometre particle...
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Influence of soil anisotropic stiffness on the deformation induced by an open pit excavation.
PublikacjaIn this paper, the problem of deformation induced by an open pit excavation in anisotropic stiff soils is analysed by FE modelling. The presented research is focused on the influence of material model with anisotropic stiffness on the accuracy of deformation predictions as compared with the field measurements. A new hyperelastic-plastic model is applied to simulate anisotropic mechanical behaviour of stiff soils. It is capable...
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The influence of the thickness, recombination and space charge on the loss of photocurrent in organic semiconductors: an analytical model
PublikacjaWe propose an analytical model of the photocurrent efficiency dependence on the light intensity in organic semiconductors. The influence of the thickness of sample, space charge effects and recombination of charge on the loss of photocurrent has been considered. We demonstrate that the presented model is the enhancement of an analytical model reported recently by Rappaport et al (2005 J. Appl. Phys. 98 033714). The method to identify...
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The Influence of Oxidative Stress on Thyroid Diseases
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Influence of the Working Strategy on A-Team Performance
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Influence of sulphanilamide in wastewater on Anammox process
PublikacjaBadano wpływ krótko- oraz długookresowej ekspozycji mieszanej kultury Anammox na działanie sulfonamidu. Otrzymane wyniki potwierdziły, że sulfanilamid (SA)hamuje proces Anammox. Wyższe stężenia SA powodowały silniejszy efekt inhibicji usuwania związków azotu ze ścieków. Natomiast długookresowe testy potwierdziły hipotezę, że wydłużenie czasu ekspozycji mikroorganizmów Anammox na działanie SA skutkuje obniżeniem stopnia inhibicji...
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The influence of magnetic core on frequency characteristics
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The influence of SVC on the progress of voltage collapse
PublikacjaThe article presents the simulation concerning the cooperation of SVC circuit with a generative set in time, when of power system reaches low values which may lead to the fall-out of generator from the synchronous operation.
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Influence of boundary conditions in calibration chamber
PublikacjaPrzedstawiono wyniki badań modelowych penetracji w komorze kalibracyjnej z zastosowaniem modeli o różnej średnicy. Badania przeprowadzono w piasku średnio zagęszczonym i zagęszczonym przy stałej składowej poziomej naprężenia i przy składowej pionowej naprężenia w gruncie do 400 kPa. Określono wpływ warunków brzegowych na uzyskane wyniki oporu podstawy/oporu stożka lub ostrza dylatometru. Wyznaczono współczynniki korekcyjne oraz...
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The influence of vocational orientation on regional competitiveness
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The influence of antibiotics on the anammox process — a review
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Influence of terpenes on indoor air quality
PublikacjaThe aim of this study was to investigate air quality in hairdresser salons, focusing on terpenes determination. Terpenes are known reactive volatile organic compounds that contribute to secondary organic aerosol formation. Those compounds are frequently found in cosmetic products as fragrance agents. Hairdresser salons are special kind of environment, where secondary organic aerosol concentration may be elevated. One hairdresser...
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Influence of the wall on vertical bubble motion
PublikacjaZaprezentowano model siły odpychającej, działającej na kulę podczas przepływu wzdłuż ściany pionowej. Modelowana siła ma charakter okresowy. Uzyskano satysfakcjonującą zgodność pomiędzy zmierzoną i obliczoną wartością tej siły.
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Influence of Exception Handling on Distributed Applications.
PublikacjaW artykule przedstawiono metodologię oceny systemów rozproszonych w sytuacji występowania wyjątków i błędów. Analiza jest przeprowadzana przez zidentyfikowanie zmian stanów danych i wyprowadzenie ogólnych charakterystyk systemu. Rozproszone zależności są modelowane przez podstawowe zależności między metodami i złożone zależności występujące w sytemie. Analiza umożliwia odpowiedź na pytanie, jak zależności rozproszone wpływają na...
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Influence of electrode size on a Jacobian properties.
PublikacjaW pracy oceniono wpływ geometrii elektrod na jakość obrazowania za pomocą TEI. W tym celu określono zależność pomiędzy uwarunkowaniem Jakobianu a geometrycznymi rozmiarami zastosowanych elektrod.
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Influence of velocity description on dispersivity of reactor.
PublikacjaPrzy projektowaniu reaktorów z reguły stosuje się model przepływu tłokowego - prosty, lecz mało dokładny. W pracy pokazano wpływ dokładności stosowanej metody opisu pola prędkości na poziom projektu reaktora.
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Influence of landfill leachate on municipal wastewater treatment - model plant(WWTP-MP)
PublikacjaAbstract In the current study, wastewater treatment model plant (WWTP-MP) was used to investigate the possibilities of landfill leachate co-treatment together with municipal wastewater. The WWT-MP, designed as an A2O multiphase system, was fed with the raw municipal wastewater (from the WWTP Gdańsk "Wschód'', Qav.=82x103 m3/d) with increasing, from 1 to 5 % (vol.), quantity of landfill leachate (collected from Gdańsk landfill ''Szadółki")....
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Changing by light - how the lighting of intelligent spaces can influence the urban image
PublikacjaIn the article light will be presented as a tool in the process of transforming the urban space. The reason for this use of light is the commercial aspect of space that forces it to be still competitive and profitable. Such a need gives rise to many innovative solutions in the city space, which allow transmitting information in order to attract human attention, and sometimes make it even possible to involve the user in the interaction...
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The Influence of Selected Parameters of Numerical Modelling on Strains and Stresses at Weld Toe Notch
PublikacjaLatest development in the field of welding technology and prefabrication enabled massive production of thin-walled sandwich structures. Multi-layered sandwich structures are fabricated with the use of high-power CO2 lasers, friction welding, arc welding, hybrid welding, or other technique designed for the special purpose. Steel or aluminium alloy plates with thickness between 1 and 5 mm are connected by internal stiffeners. Strength...
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Size effect in concrete beams under bending – influence of the boundary layer and the numerical description of cracks
PublikacjaIn the paper the size effect phenomenon in concrete is analysed. The results of numerical simulations of using FEM on geometrically similar un-notched and notched concrete beams under bending are presented. Concrete beams of four different sizes and five different notch heights under three-point bending test were simulated. In total 18 beams were analysed. Two approaches were used to describe cracks in concrete. First, eXtended...
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The influence of food phytochemicals on cyclic phosphodiesterase 4 (PDE4) activity
PublikacjaCyclic phosphodiesterase 4 (PDE4) belongs to family of cyclic phosphodiesterases, which are expressed predominantly in inflammatory cells, airway smooth muscles, cardiovascular tissues and brain. Inhibitors of this family of enzymes found medicinal applications as antidepressants, antiinflamatory drugs (mainly in airway diseases) or antiasthmatics (Ibudilast). PDE4 inhibitors are also being tested for preventing the development...
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Albumin–Hyaluronan Interactions: Influence of Ionic Composition Probed by Molecular Dynamics
PublikacjaThe lubrication mechanism in synovial fluid and joints is not yet fully understood. Nevertheless, intermolecular interactions between various neutral and ionic species including large macromolecular systems and simple inorganic ions are the key to understanding the excellent lubrication performance. An important tool for characterizing the intermolecular forces and their structural consequences is molecular dynamics. Albumin...
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The Influence of Antitumor Unsymmetrical Bisacridines on 3D Cancer Spheroids Growth and Viability
PublikacjaThe culture of 3D spheroids is a promising tool in drug development and testing. Recently, we synthesized a new group of compounds, unsymmetrical bisacridines (UAs), which exhibit high cytotoxicity against various human cell lines and antitumor potency against several xenografts. Here, we describe the ability of four UAs—C-2028, C-2041, C-2045, and C-2053—to influence the growth of HCT116 and H460 spheres and the viability of HCT116...
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Finding Temperature Distribution at Heat Recovery Unit Using Genetic Algorithms
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Normalized Method for Land Surface Temperature Monitoring on Coastal Reclaimed Areas
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Contribution of PsbS Function and Stomatal Conductance to Foliar Temperature in Higher Plants
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Regulation of replication of λ phage and λ plasmid DNAs at low temperature
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An Experimental Study on the Effect of Temperature on Acoustic Emission Characteristics in Metallic Structures
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Temperature-dependent interactions in the chitosan/cyclosporine A system at liquid–air interface
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Low-temperature air plasma modification of chitosan-coated PEEK biomaterials
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Effect of low-temperature plasma on chitosan-coated PEEK polymer characteristics
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Novel catalysts for low temperature synthesis of single wall carbon nanotubes
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Grouts with highly thermally conductive binder for low-temperature geothermal applications
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Growth Enhancement of Radish Seed Induced by Low-Temperature Argon Plasma
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High temperature corrosion of evaporator tubes in low-emission steam boilers
PublikacjaW artykule opisano zjawisko korozji wysokotemperaturowej rur ekranowych kotłów parowych niskoemisyjnych. Przeprowadzono badania rur po eksploatacji. Wykonano badania składu chemicznego zgorzelin. Stwierdzono, że główną przyczyną pocienienia rur na wyższych poziomach jest korozja siarkowa, natomiast na poziomach niższych oddziaływanie stopionych soli.
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Verification of the exponential model of body temperature decrease after death in pigs
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<title>Temperature sensor based on double-core optical fiber</title>
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Field investigation on seawater temperature variability in relation to horizontal optical gradient
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<title>White-light interferometric temperature sensor for biomedical diagnostic</title>
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Performance evaluation of temperature effect on hot in-place recycling asphalt mixtures
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