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Search results for: DISSOLVED ORGANIC CARBON
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Application of Organic Rankine Cycle as bottoming cycle to conventional heat and power plant
PublicationW pracy rozważono możliwość zastosowania układu ORC w skojarzeniu z ciepłownią lub elektrociepłownią celem podniesienia stopnia wykorzystania jednostki CHP podczas eksploatacji w skali roku. Połączenie układu ORC z zawodową jednostką CHP może wpłynąć na wzrost rocznej produkcji energii elektrycznej i jednoczsne zmniejszenie fluktuacji podczas pracy bloku energetycznego. Z jednej strony następuje konwersja energii cieplnej na elektryczną...
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Unlocking the Secrets of River Pollution: Analyzing Organic Pollutants in Sediments—Experimental Study
PublicationUntreated wastewater released into rivers can result in water pollution, the spread of waterborne diseases, harm to ecosystems, contamination of soil and groundwater, as well as air pollution and respiratory problems for nearby humans and animals due to the release of greenhouse gases. The current study aims to investigate the recent input of anthropogenic loads into the rivers using linear alkylbenzene (LAB), which is one of the...
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Phosphorescence response to excitonic interactions in Ir organic complex-based electrophosporescent emitters
PublicationSpadek kwantowej wydajności fosforescencji ze wzrostem natężenia światła wzbudzajacego w Ir(ppy)3 tworzącym 100% warstwę naparowaną próżniowo oraz w Ir(ppy)3 umieszczonym w matrycy polimerowej PC:TPD, jest wywołany odziaływaniami między ekscytonami trypletowymi. Stała oddziaływania tryplet-tryplet wynosi (1-3)x 10-12 cm3/s i tylko nieznacznie zależy od stężenia Ir(ppy)3 w warstwie.
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Investigation of stability of aqueous solutions containing trace amounts of volatile organic analytes
PublicationOznaczając lotne związki chlorowcoorganiczne w matrycy wodnej należy uwzględnić specyficzne właściwości, którymi charakteryzują się te związki, a mianowicie:- niska temperatura wrzenia; - wysoka prężność pary nad roztworem; - stosunkowo niska rozpuszczalność w wodzie.Właściwości te należy uwzględnić w trakcie przygotowania wodnych roztworów wzorcowych wykorzystywanych na etapie kalibracji i badań modelowych. Ze względu na istotność...
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Donor properties of water in organic solvents derived from infrared spectraof HDO
PublicationPrzedyskutowano niektóre ilościowe aspekty kooperatywności wiązań wodorowych wody. Zaproponowano skalę własności elektronodonorowych wody w środowisku aprotycznych rozpuszczalników organicznych, pochodną w stosunku do skali liczb donorowych Gutmanna.
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Electroabsorption study of metal-to-ligand charge transfer in an organic complex of iridium (III).
PublicationW pracy zmierzono i zinterpretowano widmo elektroabsorpcji (EA) próżniowo naparowanych warstw organicznego kompleksu Ir(ppy)3, powszechnie stosowanego jako emiter fosforescencyjny w organicznych diodach elektroluminescencyjnych. Analiza widma EA potwierdziła fakt,że niskoenergetyczne stany elektronowe tego kompleksu związane są z przeniesieniem ładunku metal-ligand.
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Ground Tire Rubber Modified by Elastomers via Low-Temperature Extrusion Process: Physico-Mechanical Properties and Volatile Organic Emission Assessment
PublicationIn this paper, low-temperature extrusion of ground tire rubber was performed as a proecological waste tires recycling method. During this process, ground tire rubber was modified with constant content of dicumyl peroxide and a variable amount of elastomer (in the range: 2.5–15 phr). During the studies, three types of elastomers were used: styrene-butadiene rubber, styreneethylene/butylene-styrene grafted with maleic anhydride and...
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Fabrication of Gold and Silver Nanoparticles Supported on Zinc Imidazolate Metal–Organic Frameworks as Active Catalysts for Hydrogen Release from Ammonia Borane
PublicationWell-dispersed Au and Ag nanoparticles (NPs) have been immobilized on a zinc imidazolate metal−organic framework, Zn(mim), using the “one-pot” method and tested as catalysts in ammonia borane hydrolysis. The AuNPs@Zn(mim) and AgNPs@Zn(mim) materials were characterized by FTIR, XRD, ICP-OES, TGA, BET, SEM, and TEM. The AgNPs@Zn(mim) catalyst showed a high yield (98.5%) and high hydrogen generation rate (3352.71 mL min−1 gAg−1) in...
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Solvent dependency of carbon dioxide Henry's constant in aqueous solutions of choline chloride-ethylene glycol based deep eutectic solvent
PublicationThe Henry's constants of carbon dioxide absorbed in aqueous solutions of ethaline (choline chloride-ethylene glycol) were determined for temperatures ranging from 303.15 to 323.15 K based on solubility measurement at CO2 pressure ranging from 0 to 6 bar (0.6 MPa). These studies revealed that the Henry's constant increased with the increase of temperature. Data indicated the highest capacity of CO2 absorption is obtained for ethaline...
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Diphosphinoboranes as Intramolecular Frustrated Lewis Pairs: P–B–P Bond Systems for the Activation of Dihydrogen, Carbon Dioxide, and Phenyl Isocyanate
PublicationHerein, we present the first example of the activation of small molecules by P-B-P bond systems. The reactivity study involves reactions of two selected diphosphinoboranes, (tBu2P)2BPh (1’) and (Cy2P)2BNiPr2 (2), that differ in terms of their structural and electronic properties for the activation of dihydrogen, carbon dioxide, and phenyl isocyanate. Diphosphinoborane 1’ activates H2 under very mild conditions in the absence of...
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Super tough interpenetrating polymeric network of styrene butadiene rubber‐poly (methyl methacrylate) incorporated with general purpose carbon black ( N660 )
PublicationA classic set of polymeric interpenetrating polymeric network (IPN) microcomposites has been fabricated using an elastomer—styrene butadiene rubber [SBR], a thermoplastic poly(methyl methacrylate)-PMMA and with carbon black (CB)-N660 as a filler and reinforcing agent. This synthesized IPN composite can be promisingly employed as a toughened plastic and vibrational damper in a wide service range with excellent thermal stability,...
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Searching for Solvents with an Increased Carbon Dioxide Solubility Using Multivariate Statistics
PublicationIonic liquids (ILs) are used in various fields of chemistry. One of them is CO2 capture, a process that is quite well described. The solubility of CO2 in ILs can be used as a model to investigate gas absorption processes. The aim is to find the relationships between the solubility of CO2 and other variables—physicochemical properties and parameters related to greenness. In this study, 12 variables are used to describe a dataset...
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Thermal and technological aspects of double face grinding of C45 carbon steel
PublicationIn grinding, the contact zone temperature is a decisive factor influencing the achievable surface quality and the grinding tool wear. In contrast to other grinding processes, only few information regarding double face grinding with planetary kinematics when processing steel is known up to date. Since the successive substitution of in-dustrial double-sided lapping processes by double-sided grinding, it has become necessary to the...
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Perspective of High Energy Heating Implementation for Steel Surface Saturation with Carbon
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Natural carbon-based quantum dots and their applications in drug delivery: A review
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Effect of carbon nanotube modification on poly (butylene terephthalate)-based composites
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Adsorption of 1,2-Dichloropropane from Aqueous Solution onto Activated Carbon
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Electrically conductive acrylic pressure-sensitive adhesives containing carbon black
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Current-Voltage Characteristics of the Composites Based on Epoxy Resin and Carbon Nanotubes
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Effect of treating method on the physicochemical properties of amine-functionalized carbon nanotubes
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Ellipsometric study of carbon nitride films deposited by DC-magnetron sputtering
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Modification of carbon-coated TiO2 by iron to increase adsorptivity and photoactivity for phenol
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Application of TiO2-mounted activated carbon to the removal of phenol from water
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The role of adsorption in the photocatalytic decomposition of Orange II on carbon-modified TiO2
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From Hollow to Solid Carbon Spheres: Time-Dependent Facile Synthesis
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Effect of iron oxide impregnated in hollow carbon sphere as symmetric supercapacitors
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From polystyrene waste to porous carbon flake and potential application in supercapacitor
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Enhancement of the structure stability of MOF‐5 confined to multiwalled carbon nanotubes
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Creation of mesopores in carbon nanotubes with improved capacities for lithium ion batteries
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Multi‐wall carbon nanotubes – a vehicle for targeted Irinotecan drug delivery
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Template method synthesis of mesoporous carbon spheres and its applications as supercapacitors
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Converting mixed plastics into mesoporous hollow carbon spheres with controllable diameter
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Preparation of Activated Carbon from the Biodegradable film for Co2 Capture Applications
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Development of activated carbon for removal of pesticides from water: case study
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Quasi-Static and Dynamic Testing of Carbon Fiber Reinforced Magnesium Composites
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Sustainable carbon microtube derived from cotton waste for environmental applications
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Carbon dioxide ocean and ground storage as a method of climate change mitigation
PublicationW pracy dokonano krytycznego przeglądu negatywnego wpływu globalnego ocieplenia na środowisko i przedstawiono dwie nowatorskie metody zmniejszenia stężenia atmosferycznego ditlenku węgla. Obie metody: magazynowanie antropogenicznego ditlenku węgla, pochodzącego z dużych źródeł emisji, w oceanach i w glebie są technologicznie możliwe do przeprowadzenia, co potwierdzają przykłady z różnych regionów świata. W pracy przedyskutowano...
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Electroconductivity and mechanical properties of carbon black Printex L6 filled polyurethanes
PublicationOpisano uzyskanie i badania kompozycji poliuretanowo-sadzowych na bazie sadzy przewodzącej Printex L6. Zaprezentowano wyniki badań nad wpływem udziału napełniacza przewodzącego na przewodnictwo elektryczne stałoprądowe i właściwości mechaniczne uzyskanych materiałów.
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Composite Bioelectrodes Based on Lipidic Cubic Phase with Carbon Nanotube Network
PublicationElektrody z węgla szklistego modyfikowane fazą kubiczną z siecią nanorurek zastosowano do enzymatycznej redukcji tlenu katalizowanej przez lakazę. Zastosowanie nanorurek obniżyło nadpotencjał redukcji tlenu o 0,5 V. W celu zwiększenia gęstości prądu redukcji tlenu zastosowano znany mediator przeniesienia elektronów - ABTS. Mediator adsorbowano na nanorurkach lub wiązano kowalencyjnie z końcami nanorurek. Kowalencyjne związanie...
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Central carbon metabolism influences fidelity of DNA replication in Escherichia coli
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The formation of formaldehyde via the carbon monoxide hydrogenation catalyzed by the HSbF6 superacid
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Novel catalysts for low temperature synthesis of single wall carbon nanotubes
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“In situ” observations of carbon nanotube generation in CVD cell coupled to spectrometers
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Exfoliated Molybdenum Disulfide as a Platform for Carbon Nanotube Growth—Properties and Characterization
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Single-wall carbon nanotubes based anticancer drug delivery system
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Hybrid carbon-TiO2 spheres: Investigation of structure, morphology and spectroscopic studies
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Iron filled single-wall carbon nanotubes – A novel ferromagnetic medium
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Diameter sensitive effect in singlewalled carbon nanotubes upon acid treatment
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Size-Dependent in Vitro Biocompatibility and Uptake Process of Polymeric Carbon Nitride
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Bifunctional Polymeric Carbon Nitride via Tuning Fabrication Conditions for Photocatalysis
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