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Wyniki wyszukiwania dla: POLYESTER COATED FABRICS
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Lasing thresholds of plasmon and grating modes of coated silver nanowire gratings
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The Numerical Comparison of Heat Transfer in a Coated and Fixed Bed of an Adsorption Chiller
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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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The method of tribotesting of PVD coated elements in oscillation motion at high temperature
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Modification of carbon-coated TiO2 by iron to increase adsorptivity and photoactivity for phenol
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The bahaviour of selected silver coated body implants in presence of various bacteria
PublikacjaThe article deals with implants covered with silver nanoparticles and its influence on bacteria adhesion.
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Pool boiling of water-Al2O3 nanofliud on horizontal porous coated tube
PublikacjaPrzedstawiono wyniki badań przejmowania ciepła podczas wrzenia w dużej objętości nanocieczy woda-Al2O3 na poziomej rurce z aluminiową powłoką porowatą o grubości 0.15 mm i porowatości 40%. Koncentracja nanocząstek wnosiła 0.01%, 0.1% oraz 1%. Niezależnie od koncentracji współczynnik przejmowania ciepła przy wrzeniu nanocieczy był niższy niż przy wrzeniu wody destylowanej.
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Novel approach to interference analysis of glucose sensing materials coated with Nafion
PublikacjaA gold-based sensing platform, TiND | AuNP | Nafion, was prepared as an exemplary electrode material exhibiting a response to glucose in a neutral solution. The change of electrochemical properties after exposure to glucose and interference compounds such as vitamin C, glycine, urea, paracetamol and acetylsalicylic acid was tested.
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Characterization of diatomaceous earth coated with nitrated asphaltenes as superior adsorbent for removal of VOCs from gas phase in fixed bed column
PublikacjaAsphaltenes isolated from bitumen possess unusual adsorption characteristics that can be further enhanced by chemical modifications to promote interactions with VOCs’. Herein, nitrated asphaltenes are used as an active layer coated on a surface of a diatomaceous earth, in order to prepare an efficient adsorbent (AsfNitro). Breakthrough experiments with benzene, pyridine, and 1-nitropropane revealed significant increase in adsorption...
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Development of Nanocomposite based Antimicrobial Cotton Fabrics Impregnated by Nano SiO2 Loaded AgNPs Derived from Eragrostis Teff straw
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SEM investigations of the mechanism of formation and growth of nanohydroxyapatite layers coated with ultrasonic method
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Evaluation of ferrofluid-coated rotating magnetic field-assisted bioreactor for biomass production
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A new scuffing shock test method for the determination of the resistance to scuffing of coated gears
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Application of carbon-coated TiO2 for decomposition of methylene blue in a photocatalytic membrane reactor
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Free convection of water-Al2O3 nanofluid from horizontal porous coated tube
PublikacjaNanofluids are expected to enhance heat transfer in many thermal systems. Present efforts are concentrated on boiling heat transfer of nanofluids, although single phase convection is of key importance in various appliances such as car radiators or heating systems. This paper presents experimental results of heat transfer during free convection of water-Al3O3 nanofluid from horizontal tube covered with metallic porous coating. Contrary...
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Analysis of non-linear elastic material properties of PVC-coated Panama fabric.
PublikacjaW pracy omówiono proces identyfikacji parametrów materiałowych dla wybranej tkaniny technicznej typu Panama. Zaproponowano metodę identyfikacji nieliniowo sprężystych właściwości tkaniny Panama. Określono zakres stosowalności nieliniowo sprężystych parametrów, w oparciu o doraźną wytrzymałości tkaniny na rozciąganie (UTS), która poddana redukcji określa tzw. wytrzymałość długoterminową (LTS). Opisano doświadczenia niezbędne do...
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Viscoplastic properties of coated textile material ''Panama'' and its usage for hanging roofs.
PublikacjaPodano sposób identyfikacji parametrów materiałowych lepkoplastycznego prawa Bodnera-Partoma i prawa Chaboche´a. Przedstawiono model sieci gęstej pozwalający na zastosowanie wyników prób jednoosiowego rozciągania do rzeczywistej tkaniny. Pokazano zastosowanie wyników w analizie statycznej i dynamicznej przekrycia wiszącego typu hypar poddanego wstępnemu naprężaniu. Przeanalizowano zmianę geometrii i częstości drgań własnych.
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ZnO coated fiber optic microsphere sensor for the enhanced refractive index sensing
PublikacjaOptical fiber-based sensors are expected to become key components in the control of industrial processes,and the tuning and the enhancement of their sensing properties are crucial for the further developmentof this technology. Atomic Layer Deposition (ALD), a vapor phase technique allowing for the deposition ofconformal thin films, is particularly suited for the deposition of controllable thin films on challenging sub-strates....
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Spectroscopic and magnetic studies of highly dispersible superparamagnetic silica coated magnetite nanoparticles
PublikacjaSuperparamagnetic behavior in aqueously well dispersible magnetite core-shell Fe3O4@SiO2 nanoparticles is presented. The magnetic properties of core-shell nanoparticles were measured with use of the DC, AC magnetometry and EPR spectroscopy. Particles were characterized by HR-TEM and Raman spectroscopy, showing a crystalline magnetic core of 11.5 ± 0.12 nm and an amorphous silica shell of 22 ± 1.5 nm in thickness. The DC, AC magnetic...
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A facile hydrous mechano-synthesis of magnesium hydroxide [Hy-Mg(OH)2] nano fillers for flame-retardant polyester composites
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The effect of polyamide PA12 and polyester PBT blocks' lengths on the structure and propertries of multiblock terpoly(amide-block-ester-block-amide) (TPAEA)
PublikacjaThe ternary multiblock system terpoly(amide-b-ester-b-amide) (TPAEA) of the chemical structure: poly[(oligoamide-6.36)-block-(tetramethylene terephthalate)-block-laurolactam)] -(PA6.36-b-PBT-b-PA12)n- has been obtained (Table 1). In this system the third component (PBT block here), characterized with the proper molecular weight, is dissolved in hard phase of PA12 blocks and partially dissolved in soft phase of PA6.36. The effects...
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Lipoic Acid-Coated Silver Nanoparticles: Biosafety Potential on the Vascular Microenvironment and Antibacterial Properties
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Chitosan/phospholipid coated polyethylene terephthalate (PET) polymer surfaces activated by air plasma
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The Effect of a Gear Oil on Abrasion, Scuffing, and Pitting of the DLC-Coated 18CrNiMo7-6 Steel
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Determination of the Diffusion Coefficient of Lithium Ions in Graphite Coated with Polymer-Derived SiCN Ceramic
PublikacjaPraca dotyczy wyznaczenia wsółczynnik adyfuzji jonów litu w materiale elektrodowym składającym się z grafitu pokrytego materiałem ceramicznym krzemo-azotkiem węgla (SiCN). Wartość współczynnika dyfuzji zmierzono elektrochemicznie technikami: woltamperometrii cyklicznej (CV), elektrochemicznej spektrodkopii impedancyjnej (EIS) oraz miareczkowania galwanostatycznego (GITT). Materiał otrzymano na drodze pirolizy mieszaniny grafit:polimer...
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The effect of low energy impact on the tensile strength of coated and uncoated glass particulate composites.
PublikacjaPrzedstawiono model teoretyczny pozwalający przewidywać poudarową wytrzymałość na rozciąganie w funkcji parametrów materiałowych i budowy kompozytu. Określono eksperymentalnie poudarową wytrzymałość na ściskanie kompozytów zbrojonych ciągłym włóknem szklanym w osnowie żywicy epoksydowej napełnianej mikrokulkami szklanymi w celu obniżenia skłonności do powstawania dużych zniszczeń przy udarze o niskiej energii. Wyniki eksperymentalnie...
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Polyethylene glycol-coated solid-phase microextraction fibres for the extraction of polar analytes-A review
PublikacjaThe article discusses the merits and limitations of commercially available solid-phase microextraction (SPME) fibres and compares them with the new type of extraction coatings, in particular those containing polyethylene glycol as sorbent, as well as the methods of the preparation of the latter. It also analyses their possible application for the extraction of a broad spectrum of analytes, with particular emphasis on the sampling...
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Development and biological evaluation of Ti6Al7Nb scaffold implants coated with gentamycin-saturated bacterial cellulose biomaterial
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Heterostructure based on exfoliated graphitic carbon nitride coated by porous carbon for photocatalytic H2 evolution
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Symmetric Supercapacitors Based on MnOOH‐Coated Nanoporous Carbon toward High Energy‐Storage Performance
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Application of the Murnaghan model in analysis of non-linear elastic material properties of pvc-coated fabric
PublikacjaW pracy omówiono proces identyfikacji parametrów materiałowych dla wybranej tkaniny technicznej typu Panama. Zaproponowano metodę identyfikacji nieliniowo sprężystych właściwości tkaniny Panama dla modelu Murnaghan'a. Określono zakres stosowalności nieliniowo sprężystych parametrów, w oparciu o doraźną wytrzymałości tkaniny na rozciąganie, która poddana redukcji określa tzw. wytrzymałość długoterminową. Opisano doświadczenia niezbędne...
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The problems of resistance to scuffing of heavily loaded lubricated friction joints with WC/C-coated parts
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Metal-coated fused silica fibers as a support for immobilized compounds yielding a volatile analyte (C2H4)
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Preparation of carbon-coated Magneli phases TinO2n−1 and their photocatalytic activity under visible light
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Diamond protection for reusable ZnO coated fiber-optic measurement head in optoelectrochemical investigation of bisphenol A
PublikacjaDue to the global problem with plastic contaminating the environment, with bisphenol A (BPA) being one of the highest demand, effective monitoring and purification of the pollutants are required. The electrochemical methods constitute a good solution but, due to polymerization of electrochemical oxidation bisphenol A products and their adsorption to the surfaces, measurement head elements are clogged by the formed film. In this...
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A Flexible Nafion Coated Enzyme‐free Glucose Sensor Based on Au‐dimpled Ti Structures
PublikacjaThe detection of glucose at low concentrations using electrochemical sensors is of great importance due to the possibility of using different human body fluids than blood, such as e.g. urine, saliva, sweat or tears. The interest behind those biofluids is related to their utility in non-invasive sugar determination. In this work, we present flexible, fully biocompatible electrode material based on Au nanoparticles immobilized onto...
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Simultaneous optical and electrochemical label-free biosensing with ITO-coated lossy-mode resonance sensor
PublikacjaIn this work we discuss a new label-free biosensing device based on indium tin oxide (ITO) overlaid section of a multimode optical fiber fused silica core. The sensor has been used to optical measurements also simultaneously interrogated electrochemically (EC). Due to optimized thickness and optical properties of ITO film, a lossy-mode resonance (LMR) could be observed in the optical domain, where electrical properties of the film...
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Metal-coated fused silica fibres as a support for immobilized compounds yielding a volatile analyte (C2H4)
PublikacjaPrzedstawiono wyniki badań dotyczących wykorzystania chemicznie modyfikowanych włókien szklanych pokrytych warstwą metalu (aluminium), jako nośników związków powierzchniowych. W trakcie procesu termicznego rozkładu z tak zmodyfikowanych włókien uwalnia się eten, który stanowi składnik mierzony uzyskiwanej gazowej mieszaniny wzorcowej. Ilość uwalnianego etenu zależy jedynie od długości danego rodzaju i typu modyfikowanego włókna...
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Optical Detection of Ketoprofen by Its Electropolymerization on an Indium Tin Oxide-Coated Optical Fiber Probe
PublikacjaIn this work an application of optical fiber sensors for real-time optical monitoring of electrochemical deposition of ketoprofen during its anodic oxidation is discussed. The sensors were fabricated by reactive magnetron sputtering of indium tin oxide (ITO) on a 2.5 cm-long core of polymer-clad silica fibers. ITO tuned in optical properties and thickness allows for achieving a lossy-mode resonance (LMR) phenomenon and it can be...
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A facile preparation method and proof of cycle-stability of carbon-coated metal oxide and disulfide battery materials
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SAXS examination of the water evaporation process from silica materials coated with a polysaccharide–polyimine copolymer layer
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Nanoconfinement Induced Formation of Core/Shell Structured Mesoporous Carbon Spheres Coated with Solid Carbon Shell
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Heat transfer during pool boiling of water, methanol and R141b on porous coated horizontal tube bundles
PublikacjaPrzedstawiono wyniki badań eksperymentalnych wrzenia wody, metanolu i R141b na poziomym pęczku rur pokrytych metaliczna powłoką porowatą. Badania przeprowadzono dla podziałek rur 1.7d oaz 2d, przy ciśnieniu atmosferycznym i podciśnieniu.
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The new silica-based coated SPME fiber as universal support for the confinement of ionic liquid as an extraction medium
PublikacjaThe new silica-based SPME fiber coating is reported for the first time as universal support purposed to confinement of ionic liquid as an extraction medium. Fiber coating was prepared by the sol-gel process, using potassium silicate (K2SiO3) as a precursor and dimethylformamide (DMF) as a pore-forming medium. The concept of synthesis assumes obtaining a solid porous material on the surface of the glass rod and, being characterized...
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Study on Combined Optical and Electrochemical Analysis Using Indium-tin-oxide-coated Optical Fiber Sensor
PublikacjaThe growing needs for fast and reliable sensing devices stimulate development of new technological solutions. In this work a new multi-domain sensing method is demonstrated where optical sensing device has been applied to enhance amount of data received during electrochemical analysis. Thin, optically transparent, high-refractive-index, and electrically conductive indium tin oxide (ITO) film was deposited using magnetron sputtering...
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Enhancing electrochemical properties of an ITO-coated lossy-mode resonance optical fiber sensor by electrodeposition of PEDOT:PSS
PublikacjaA sensor working in multiple domains may offer enhanced information about the properties of an investigated analyte, including those containing biological species. It has already been shown that a dual-domain sensing capability, i.e., in optical and electrochemical domains, can be offered by lossy-mode resonance (LMR) sensors based on indium-tin-oxide (ITO) thin film. The spectral response of the LMR sensors depends on the refractive...
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Nondestructive Methodology for Identification of Local Discontinuities in Aluminide Layer-Coated MAR 247 during Its Fatigue Performance
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Construction of an innovative adsorbent bed configuration in the adsorption chiller part 2. experimental research of coated bed samples
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Mn3O4 encapsulated in hollow carbon spheres coated by graphene layer for enhanced magnetization and lithium-ion batteries performance
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