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Wyniki wyszukiwania dla: 3D PRINTED COMPOSITES
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Design of dimensionally stable composites using efficient global optimization method
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Self-lubricating epoxide composites Kompozyty epoksydowe o właściwościach samosmarujących
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FTIR Study and Mechanical Properties of Cellulose Fiber-Reinforced Thermoplastic Composites
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Infiltration - an alternative method to prepare composites for Solid Oxide Fuel Cells
PublikacjaPrzedstawiono różne techniki nasączania pozwalające na uzyskanie materiałów o mieszanym przewodnictwie jonowo-elektronowym do zastosowań w tlenkowych ogniwach paliwowych
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Effect of carbon nanotube modification on poly (butylene terephthalate)-based composites
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Current-Voltage Characteristics of the Composites Based on Epoxy Resin and Carbon Nanotubes
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Fabrication, microstructure and properties of Al-Si -Fe-Cu in situ composites.
PublikacjaW poszukiwaniu tanich kompozytów na bazie stopów Al powstała koncepcja otrzymywania kompozytów in situ o osnowie stopu Al-Si w reakcji ciekłego stopu Al-Si (Al-Si11, Al-Si25) z proszkiem Fe. Powstałe wydzielenia np. iglastego AlFe4Si w stopie AlSi25 o niezbyt wysokiej twardości (rys.2) stanowią skuteczne wzmocnienie stopu pod względem twardości, sztywności i wytrzymałości na ściskanie jak też obniżonej ścieralności. Jednak znaczny...
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Polyurethane-wood composites (PU-WC) as a method of wood waste management
PublikacjaIn recent years, due to the progressive environmental degradation and increase of environmental awareness, the sustainability of production systems in wood processing, the wood industry, and wood waste management is a crucial issue for European industry and society. Consequently, the problem of generating wood-like waste and the associated risks has become an increasingly noticeable challenge for science. Although various methods...
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Magnetic Signature Description of Ellipsoid-Shape Vessel Using 3D Multi-Dipole Model Fitted on Cardinal Directions
PublikacjaThe article presents a continuation of the research on the 3D multi-dipole model applied to the reproduction of magnetic signatures of ferromagnetic objects. The model structure has been modified to improve its flexibility - model parameters determined by optimization can now be located in the cuboid contour representing the object's hull. To stiffen the model, the training dataset was expanded to data collected from all four cardinal...
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Structure and Stability Characterization of Natural Lake Pigments Made from Plant Extracts and Their Potential Application in Polymer Composites for Packaging Materials
PublikacjaNatural dyes were extracted from various plant sources and converted into lake pigments based on aluminum and tin. Three different plants (weld, Persian berries, and Brazilwood) were chosen as representative sources of natural dyes. High-performance liquid chromatography (HPLC) and triple-quadrupole mass spectrometry (QqQ MS) were used to identify dyestuffs in the raw extracts. The natural dyes and lake pigments were further characterized...
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Surface modification of PMMA polymer and its composites with PC61BM fullerene derivative using an atmospheric pressure microwave argon plasma sheet
PublikacjaThis paper presents the results of experimental investigations of the plasma surface modification of a poly(methyl methacrylate) (PMMA) polymer and PMMA composites with a [6,6]-phenyl-C61-butyric acid methyl ester fullerene derivative (PC61BM). An atmospheric pressure microwave (2.45 GHz) argon plasma sheet was used. The experimental parameters were: an argon (Ar) flow rate (up to 20 NL/min), microwave power (up to 530 W), number...
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Opinia o nowej technologii nazwanej „Technologia frezowania 3D delikatnych tworzyw sztucznych”, planowanej do wdrożenia w ramach inwestycji na którą ma być udzielony kredyt technologiczny.
PublikacjaOpinia dotyczyła projektu zatytułowanego "Wdrożenie innowacyjnej technologii w zakresie frezowania 3D delikatnych tworzyw sztucznych", który stanowi przedmiot wniosku o udzielenie kredytu technologicznego. Opiniowano nowość technologii o nazwie „Technologia frezowania 3D delikatnych tworzyw sztucznych”. Opinię wystawił Wydział Mechaniczny Politechniki Gdańskiej. Podmiotem wnioskującym sporządzenie opinii oraz wdrażającym nową technologię...
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3D mesoporous α-Co(OH)2 nanosheets electrodeposited on nickel foam: A new generation of macroscopic cobalt-based hybrid for peroxymonosulfate activation
PublikacjaCobalt-based catalysts with high stability and facile recovery for heterogeneous peroxymonosulfate (PMS) activation are still rather sparse and therefore highly desirable. Herein, 3D mesoporous α-Co(OH)2 nanosheets was created on robust nickel foam (NF) via facile electrodeposition approach at 6 mA/cm2 for only 400 s. Almost complete removal of phenol can be achieved within 7 min with a degradation rate of 0.39 min−1, 2 times higher...
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3D MONITORING � IDENTIFICATION OF MEASUREMENT PROBLEMS AT LARGER MOVEMENTS OF THE TRACKED POINTS
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Use of a 3D printer to create a bolus for patients undergoing tele-radiotherapy
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Use of LIDAR Data in the 3D/4D Analyses of the Krakow Fortress Objects
PublikacjaThe article presents partial results of studies within the framework of the international project "Cultural Heritage Through Time" (CHT2). The subject of the study were forts of the Krakow Fortress, which had been built by the Austrians between 1849-1914 in order to provide defence against the Russians. Research works were aimed at identifying architectural changes occurring in different time periods in relation to selected...
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Initial evaluation of commercial optical CT‐based 3D gel dosimeter
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Quantification of Asphalt Mixture Interlocking Utilizing 2D and 3D Image Processing
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3D reconstruction of nuclear reactions using GEM TPC with planar readout
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The Use of 3D Titanium Miniplates in Surgical Treatment of Patients with Condylar Fractures
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3D GIS technology. More accurate GIS-every-day-reality
PublikacjaGeographical space can be described with the Geographic Information System (GIS). It consists of software, hardware, data, algorithms, procedures for processing information and accessibility, as well as the people who use the system and the legal, technological and organisational procedures. GIS is commonly applied in such studies as “Environmental Protection Programmes”, and in numerous reports and documents regarding spatial...
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Porównanie tradycyjnych i komputerowych metod animacji 2D i 3D.
PublikacjaArtykuł opisuje najważniejsze zagadnienia związane z animacją tworzoną zarówno w sposób tradycyjny, jak i z zastosowaniem technik komputerowych oraz związki między tymi sposobami generowania ruchu.
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New skills for architects: 3D scanning for an immersive experience in architectural education
PublikacjaThe authors of this article explore the integration of remote sensing techniques, specifically laser scanning and photogrammetry, as well as immersive visualisation via different methods applied to architectural design processes, and its potential impact on the professional development of future architects. The study demonstrates the value of extending the architectural design process into the interdisciplinary field of geomatics...
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An improvement of body surface area formulas using the 3D scanning technique
PublikacjaObjectives: Body surface area (BSA) is one of the major parameters used in several medical fields. However, there are concerns raised about its usefulness, mostly due to the ambiguity of its estimation. Material and Methods: Authors have conducted a voluntary study to investigate BSA distribution and estimation in a group of 179 adult people of various sex, age, and physique. Here, there is provided an extended analysis of the...
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3D visualisation and monitoring of marine pollutant aggregations in Web-based GIS
PublikacjaPrzedstawiony internetowy GIS służy do integracji, przetwarzania i wizualizacji pochodzących z wielu źródeł danych o różnych komponentach środowiska morskiego, w tym o zanieczyszczeniach. Jako przykład przedstawiono wyniki trójwymiarowego modelowania rozprzestrzeniania się wylewu olejowego w morzu.
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Development of the sound field 3D intensity probe based on miniature microphones
PublikacjaThe engineered measuring probe uses three pairs of miniature microphones coupled. The signals from the microphones after an initial amplification are fed to differential circuits. Due to the required symmetry of the circuit it was necessary to select electronic components very carefully. Moreover, additional digital signal processing techniques were applied to avoid amplitude and phase mismatch. The view of the engineered probe...
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Procedura pomiarowa usługi skanowania laserowego 3D z platformy pływającej
PublikacjaMonografia obejmuje innowacyjną procedurę skanowania laserowego z platformy pływającej. Autorzy podają zasady, potencjał i ograniczenia metody skanowania mobilnego z lądowych i portowych dróg wodnych oraz z morza.
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3D Monitoring - Identification of measurement problems at larger movements of the tracked points
PublikacjaAuthors identified the problems associated with the determination of the controlled points coordinates by use of automated Total Station placed behind transparent barrier. Important thing in the mentioned analysis was a large change of controlled points position and not stable Total Station’s stand (because of stand’s thermal drift). This two elements, combined with measurement made through glass plate determine the need for impact...
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The geodetic monitoring of the engineering structure – a practical solution of the problem in 3D space
PublikacjaThe study raises the issues concerning the automatic system designed for the monitoring of movement of controlled points, located on the roof covering of the Forest Opera in Sopot. It presents the calculation algorithm proposed by authors. It takes into account the specific design and location of the test object. High forest stand makes it difficult to use distant reference points. Hence the reference points used to study the stability...
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Procedure for Determining Dimensional Allowances for PPE Using 3D Scanning Methods
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3D Hand Scanning Methodology for Determining Protective Glove Dimensional Allowances
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Analysis and Optimization of Dimensional Accuracy and Porosity of High Impact Polystyrene Material Printed by FDM Process: PSO, JAYA, Rao, and Bald Eagle Search Algorithms
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Effect of Porosity on the Thermo-Mechanical Behavior of Friction-Stir-Welded Spark-Plasma-Sintered Aluminum Matrix Composites with Bimodal Micro- and Nano-Sized Reinforcing Al2O3 Particles
PublikacjaThe thermo-mechanical behavior of nanosized Al2O3 particles reinforcing aluminum was analyzed in the present paper. The material was prepared by spark plasma sintering and friction stir welding. The thermal stresses affecting the composite behavior during welding were modeled through COMSOL MultiPhysics, and the results were validated by the analyses of the composites’ mechanical properties. The spark-plasma-sintered materials...
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Kompozyty poliuretanowo-gumowe wulkanizowane siarką = Polyurethane-rubber composites vulcanization of sulphur
PublikacjaW artykule przedsawiono wyniki badań statycznych i dynamicznych właściwości mechanicznych oraz analizę mikroskopową nowych kompozytowych materiałów poliuretanowo-gumowych wulkanizowanych siarką otrzymanych z kauczuków uretanowych wulkanizowanych siarką i recyklatu gumowego w postaci granulatu o wielkości ziarna do 1 mm uzyskanego z poużytkowych opon samochodowych. Osnowy poluretanowe napełniano recyklatem w ilościach od 10 do 80%...
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Usefulness of Mercury Porosimetry to Assess the Porosity of Cement Composites with the Addition of Aerogel Particles
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Response of inflammatory cells to biodegradable ultra-fine grained Mg-based composites
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Properties of ultrafine-grained Mg-based composites modified by addition of silver and hydroxyapatite
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Synthesis and thermal characterization of luminescent hybrid composites based on bisphenol A diacrylate and NVP
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Use of clinoptilolite for the immobilization of heavy metal ions and preparation of autoclaved building composites
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The effect of nanomaterials on thermal resistance of cement-based composites exposed to elevated temperature
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Enhanced thermal properties of poly(lactic acid)/MoS2/carbon nanotubes composites
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Biobased Polyethylene Hybrid Composites with Natural Fiber: Mechanical, Thermal Properties, and Micromechanics
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SEM and TEM Studies on <i>In-Situ</i> Cast Al–TiC Composites
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Structure Analysis of the Modified Cast Metal Matrix Composites by Use of the Rve Theory
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MXene-based composites for capacitive deionization – The advantages, progress, and their role in desalination - A review
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Sliding Wear Performance of AlCrN Coating on TiB2/Ti Composites at High Temperatures
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Elastic-plastic properties of metal matrix composites: Validation of mean-field approaches
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Characterization of the Physical, Chemical, and Adsorption Properties of Coal-Fly-Ash–Hydroxyapatite Composites
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Manufacturing and investigation of physical properties of polyacrylonitrile nanofibre composites with SiO2, TiO2and Bi2O3nanoparticles
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Organic-inorganic composites consisted of poly(3,4-ethylenedioxythiophene)and Prussian Blue analogues
PublikacjaThe organic-inorganic material consisted of poly(3,4-ethylenedioxythiophene) (pEDOT) and copper hexacyanoferrate (Cuhcf) was synthesized. The pEDOT film with Fe(CN)63−/4− as counter-ions potentiodynamically polarized in aqueous CuCl2 electrolyte brings about stable hybrid material (pEDOT/Cuhcf) performing single redox activity of FeII/III at a formal potential Ef = 0.61 V (vs. Ag/AgCl/0.1 M KCl) and less clearly shaped two redox...