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Wyniki wyszukiwania dla: ctivated carbon
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Aluminium Profile Reinforced with Carbon Fibre: Numerical Analysis
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A model of a tunable quantum dot in a semiconducting carbon nanotube
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Vibrational Quenching of Optically Pumped Carbon Dimer Anions
PublikacjaCareful control of quantum states is a gateway to research in many areas of science such as quantum information, quantum-controlled chemistry, and astrophysical processes. Precise optical control of molecular ions remains a challenge due to the scarcity of suitable level schemes, and direct laser cooling has not yet been achieved for either positive or negative molecular ions. Using a cryogenic wire trap, we show how the internal...
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Carbon-coated anatase: adsorption and decomposition of phenol in water
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Hybridization of adsorptivity with photocatalytic activity—carbon-coated anatase
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Cobalt/Carbon Nanocomposite as Oxygen Evolution Reaction Electrocatalyst
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CVD generated mesoporous hollow carbon spheres as supercapacitors
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Synthesis of Multiwalled Carbon Nanotubes by Catalytic Combustion of Polypropylene
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Investigation of the microstructure on the nanoporous carbon based capacitive performance
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Grinding-induced functionalization of carbon-encapsulated iron nanoparticles
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Addition of azomethine ylides to carbon-encapsulated iron nanoparticles
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Carbon Based Electrode Materials and their Architectures for Capacitive Deionization
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Basic physiology of Pseudomonas aeruginosa contacted with carbon nanocomposites
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Chlorination of Carbon Nanotubes Obtained on the Different Metal Catalysts
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Simultaneous purification and functionalization of carbon nanotubes using chlorination
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A nanostructured carbon-reinforced polyisobutylene-based thermoplastic elastomer
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Unusual interfacial phenomena at a surface of fullerite and carbon nanotubes
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Iron filled carbon nanostructures from different precursors
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Comparative study on purity evaluation of singlewall carbon nanotubes
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Single-walled carbon nanotubes fractionation via electrophoresis
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Selective oxidation of metallic single-walled carbon nanotubes
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MOF-5 derived carbon as material for CO2 absorption
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Boron doped carbon nanotubes via ceramic catalysts
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Oxidation and reduction of multiwalled carbon nanotubes — preparation and characterization
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In situ observations of fullerene fusion and ejection in carbon nanotubes
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Formation of novel nanostructures using carbon nanotubes as a frame
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Corrosion resistance studies of carbon-encapsulated iron nanoparticles
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Carbon laminates with RE doped optical fibre sensors
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Atomic substitution and carbon isotope effect in superconducting MgCNi3
PublikacjaW pracy analizowany jest wpływ domieszkowania zarówno pozycji niklu, jak i węgla w nadprzewodzącym związku międzymetalicznym MgCNi3. Dodatkowo dyskutowany jest węglowy nadprzewodzący efekt izotopowy.
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Hybrid battery based on arylated carbon nanotubes and laccase
PublikacjaSingle-walled carbon nanotubes (SWCNT) were covalently modified with anthracene and anthraquinone and used for the construction of cathodes for biocatalytic reduction of dioxygen. The nanotubes with aromatic groups casted onto the electrode increased the working surface of the electrode and enabled efficient direct electron transfer (DET) between the enzyme and the electrode. The aryl groups enter the hydrophobic pocket of the...
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Hybrid biobateryy based on arylated carbon nanotubes and laccase
PublikacjaSingle-walled carbon nanotubes (SWCNT) were covalently modified with antracene and antraquinone and used for the construction of cathodes for biocatalytic reduction od dioxygen. The nanotubes with aromatic groups casted onto the electrode increased the working surface of the electrode and enabled efficient direct electron tarnsfer (DET) between the enzyme and the electrode. the aryl groups enter the hydrophobic pocket of the T1...
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Carbon dioxide sequestration during shale gas recovery
PublikacjaThis paper presents literature on theoretical and practical aspects of gas production from shale using carbon dioxide fracturing. Development of technical and environmental aspects of carbon dioxide fracturing technologies is also considered. Patents applicable to carbon dioxide fracturing are reviewed. There were also conducted researches to evaluate possibility of carbon dioxide sequestration in shale gas reservoirs.
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VOLTAMMETRIC DETERMINATION OF DEOXYRIBONUCLEIC ACID PRESENCE ON A CARBON ELECTRODE
PublikacjaThis paper presents a voltammetry as a useful method to analyse DNA from different species. This electrochemical method is well know and used in different analyses. The influence of an area of working electrode and the capacity component, is shown at equals and the measurement. In voltammetry DNA measurement the capacity component is very important and must be taken into consideration. All mathematical analyses were verify at laboratory.
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Application of industrial waste as a carbon source for biosurfactants production
PublikacjaBiosurfactants are natural surfactants produced by variety of microorganisms. They are very prospective product due to good biodegradability, low toxicity, good physicochemical properties and high efficiency in many applications. Moreover, they are efficient in wide range of pH, temperatures and salinity. However, the production of biosurfactants is very expensive due to high purification cost. This cost can be minimized by application...
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Assessing pathways into a low carbon and climate responsible Gdansk
PublikacjaA basic question today is the sense of the use new ideas in shaping Polish cities- not as technologically advanced as others. The key is to understand good practices in designing and implementing new approaches. The comparative research Glasgow and Gdansk has been undertaken by Gdansk Development Agency in Jan 2014
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WEAR OF Si OR B DOPED AMORPHOUS CARBON COATINGS
PublikacjaThe paper describes a complex wear research on DLC (amorphous carbon) moped with boron (B) and silicone (Si). The tests were carried out in two different sliping systems: flat–on–flat (ring contact, unidirectional sliding) and ball–on–flat (reciprocating sliding). Water and medical saline solutions were used as lubricants. A comparative analysis of the results revealed differences in the initiation and progress of wear and the...
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Carbon dioxide fracturing technologies for shale gas recovery
PublikacjaThis paper presents literature survey on the theoretical and practical aspects of gas production from shale using carbon dioxide fracturing. Development of technical and environmental aspects of carbon dioxide fracturing technologies are also considered. Patents applicable to carbon dioxide fracturing are reviewed.
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Development of Microstructured Carbon Coatings by Substrate-Catalytic CVD
PublikacjaCarbon nanostructured films were synthesized by chemical vapor deposition (CVD) on H18 stainless steel (AISI 440C) sheets with an H2/CH4/N2 gas mixture at various substrate temperatures. During the synthesis, the iron and chromium oxide layer was formed between the steel and carbonaceous layer. The carbon films exhibited wall-like and spherical morphologies and structures, as characterized by scanning electron microscopy and Raman...
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Structure and thermoelectric properties of bismuth telluride—Carbon composites
PublikacjaCarbon nanotubes and amorphous carbon have been introduced into a bismuth telluride matrix (0.15 and 0.30 wt.% ratio) to investigate the influence of the carbon on the composite’s thermoelectric properties. Composites with well-dispersed additives have been obtained by sonication and ball-milling methodology. Carbon nanotubes and an amorphous carbon addition led to a decrease in electric conductivity from 1120 S/cm to 77 S/cm....
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Synergistic effect of nanoscale carbon black and ammonium polyphosphate on improving thermal stability and flame retardancy of polypropylene: A reactive network for strengthening carbon layer
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Correction: Synergistic effect of carbon fibers and carbon nanotubes on improving thermal stability and flame retardancy of polypropylene: a combination of a physical network and chemical crosslinking
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Marek Krawczuk prof. dr hab. inż.
OsobyKariera naukowa 1987 mgr inż. - absolwent Wydziału Mechanicznego PG 1991 dr inz. - Instytut Maszyn Przepływowych PAN 1995 dr hab. inż. - Instytut Maszyn Przepływowych PAN 2003 prof - Instytut Maszyn Przepływowych PAN Zatrudnienie 1987-89 Politechnika Gdańsk 1989-2007 Instytut Maszyn Przepływowych PAN w Gdańsku 2001-2003 Uniwersytet Warmińsko-Mazurski w Olsztynie 2003 - Politechnika Gdańska
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UV light-activated gas mixture sensing by ink-printed WS2 layer
PublikacjaWe fabricated a sensing layer from ink-printed WS2 flakes and utilized it for UV-activated gas sensing. The optical imaging of the structure made by repeated printing revealed the continuous layer comprising sub-µm flakes, confirmed independently by small-area AFM images (1×1 µm2). The activity of the sensing surface was investigated locally via AFM scanning of the surface with a polarized probing tip. The results indicated that...
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Molecular Design Using Selected Concentration Effects in Optically Activated Fluorescent Matrices
PublikacjaMolecular physics plays a pivotal role in various fields, including medicine, pharmaceuticals, and broader industrial applications. This study aims to enhance the methods for producing specific optically active materials with distinct spectroscopic properties at the molecular level, which are crucial for these sectors, while prioritizing human safety in both production and application. Forensic science, a significant socio-economic...
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Degradation of 1,4-dioxane by sono-activated persulfates for water and wastewater treatment applications
PublikacjaThis paper presents a hybrid advanced oxidation process (AOP) based on sonocavitational activation of persulfate (PS) for degradation of 1,4-dioxane during wastewater treatment. Application of sono-cavitation effectively convert PS to radical species demonstrating synergistic effect by increasing the reaction rate and reducing the required energy for activation. It is economically feasible and deployed alternative to the direct...
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The Response of Pseudomonas aeruginosa PAO1 to UV-activated Titanium Dioxide/Silica Nanotubes
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Influence of titanium dioxide activated under visible light on survival of mold fungi
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Activated biochars reduce the exposure of polycyclic aromatic hydrocarbons in industrially contaminated soils
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Effect of Dispersion Treatment on Dairy Waste Activated Sludge to Hasten the Production of Biogas
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Combined thermo-chemo-sonic disintegration of waste activated sludge for biogas production
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