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Wyniki wyszukiwania dla: nox emission abatement
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Charakterystyka wielowymiarowa silnika spalinowego jako elementu hybrydowego układu napędowego pojazdu
PublikacjaCharakterystyka wielowymiarowa przypisuje kazdemu punktowi pracy silnika wektor, którego składowymi są, w rozważanym przypadku, jednostkowe zużycie paliwa ge oraz emisja jednostkowa toksycznych składników spalin: tlenku węgla CO, węglowodorów HC i tlenków azotu NOx. W referacie opisano stanowisko badawcze umożliwiające wykonanie pomiarów niezbędnych do wyznaczenia charakterystyki wielowymiarowej silnika spalinowego przeznaczonego...
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Denitrifcation rate in the mainstream deammonification
PublikacjaThe conventional processes of biological nitrogen removal based on nitrification and denitrification does not fit properly into the concept of the circular economy. As the alternative one should consider the deammonification process, which is a combination of partial nitrification (nitritation) and Anammox processes. It consists of removing ammonium nitrogen from wastewater under anaerobic conditions by a group of autotrophic microorganisms....
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Does the carbon emissions trading system reduce carbon emissions by promoting two-way FDI in developing countries? Evidence from Chinese listed companies and cities
PublikacjaHow developing countries can effectively promote cities’ carbon emission reduction through the carbon emission trading system (ETS) is a topic worthy of attention in the global carbon reduction campaign. Policy changes in China's ETS provide a unique opportunity to measure whether ETS impacts carbon emissions through two-way FDI. Hence, this paper employs difference-in-differences (DID) method to test the causal impact of ETS...
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MOŻLIWOŚCI IDENTYFIKACJI STANU TECHNICZNEGO WARSTW ŚLIZGOWYCH ŁOżYSK SILNIKÓW SPALINOWYCH O ZAPŁONIE SAMOCZYNNYM W PRZYPADKU WYKORZYSTANIA EMISji AKUSTYCZNEJ JAKO SYGNAŁU DIAGNOSTYCZNEGO
PublikacjaW artykule zaprezentowano wyniki badań wielowarstwowych panwi łożysk ślizgowych silników tłokowych. Scharakteryzowano własności obciążeń tego rodzaju panwi oraz ich zużycia szczególnie zmęczeniowego i ściernego. Wykazano przydatność emisji akustycznej jako sygnału diagnostycznego do ujawniania zużycia powłok ślizgowych i zaporowych. Przedstawiono wyniki pomiarów parametrów emisji akustycznej, wykonanych za pomocą 12- kanałowej...
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The luminescence study of Ga1.98–xAlxO3:0.02Cr3+ coumpounds.
Dane BadawczeA chemical and mechanical pressure-induced photoluminescence tuning method was developed through structural evolution and hydrostatic pressure involving phase transition. A series of Ga1.98−xAlxO3:0.02Cr3+ phosphors were synthesized by collaborators from National Taiwan University. Structural evolution reveals a crystal phase change with the incorporation...
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The luminescence study ofNaK2Li[Li3SiO4]4:Ce coumpounds.
Dane BadawczePhosphors with a rigid and symmetrical structure are urgently needed. The alkali lithosilicate family (A[Li3SiO4]) has been extensively studied with a narrow emission band due to its unique cuboid-coordinated environment and rigid structure. However, here we demonstrate for the first time Ce-doped NaK2Li[Li3SiO4]4 phosphors with a broad emission band,...
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Luminescence properties of TeOx gels
Dane BadawczeThe DataSet contains the emission and excitation spectra of TeOx gels. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. The sol was obtained by vigorously stirring precursor solution at 50°C for 2h, then the temperature was raised...
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Photocatalytic Air Purification
PublikacjaW publikacji zostały omówione mechanizmy i wpływ różnych czynników na fotokatalityczne usuwanie zanieczyszczeń powietrza, takich jak lotne związki organiczne (VOC), NOx i SO2. Został dokonany przegląd artykułów i patentów dotyczących przygotowywania fotokatalizatorów i technik ich osadzania na nośnikach. Zaprezentowane zostały przykłady fotoreaktorów przystosowanych do pracy w fazie gazowej. Część opisanych reaktorów może być użyta...
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Structural and luminescent study of TeO2-BaO-Bi2O3-Ag glass system doped with Eu3+ and Dy3+ for possible color-tunable phosphor application
PublikacjaTellurite glass systems of 73TeO2-4BaO-3Bi2O3-1Ag:xEu2O3-(2-x)Dy2O3 (where x = 0.5, 1, 1.5, 2 in molar ratio) composition have been successfully synthesized. In order to acquire Ag nanoparticles, materials have been heat treated at 350 °C in the air atmosphere. Structural properties of obtained samples were evaluated with various techniques. X-Ray Diffraction (XRD) measurements indicated that obtained materials are amorphous in...
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The luminescence study of CsPbI3 nanoparticles embedded in Cs4PbI6 crystals.
Dane BadawczeCs4PbI6, as a rarely investigated member of the Cs4PbX6 (X is a halogen element) family, has been successfully synthesized atlow temperatures by collaborators from National Taiwan University. Strong red to near-infrared (NIR) emission properties have been detected, and its optical emission centers have been identified to be numerous embedded perovskite-type...
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Low Frequency Conducted Emissions of Grid Connected Static Converters
PublikacjaPulse-width modulated rectifiers are nowadays commonly used for AC to DC power conversion. PWM rectification technology is very effective and allows for bidirectional power flow with the possibility of power factor improvement and low-order harmonic emission limitation. Unfortunately, employed PWM boost topology results with generation of input current harmonic distortions in a frequency range tightly correlated to modulation frequency....
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Isostructural zinc and cadmium silanethiolates with bridging biimidazole co-ligands – Enhanced luminescence of zinc complex
PublikacjaTwo dinuclear complexes of zinc and cadmium with silanethiolate and bridging biimidazole ligands are characterized by X-ray diffraction, FT-IR, UV–Vis and emission spectroscopies. The complexes 1 (Zn) and 2 (Cd) are isostructural but exhibit different electronic structures and different character of frontier HOMO orbitals as indicated by DFT calculations. Lluminescence studies prove strong emission properties of zinc complex.
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Polychlorinated biphenyls (PCBs) in bottom sediments: Identification of sources
PublikacjaPolychlorinated biphenyls (PCBs) can enter the environment from various sources. They are synthetic chemicals and as such are present in the environment mainly as mixtures containing various amounts of PCB congeners. It is therefore difficult to pinpoint the source of PCB emissions into the environment and the pathways along which they migrate there. The situation is different where locating the emission sources of polycyclic aromatic...
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The luminescence study of Sr2−xSrxPN3:Eu2+ nitridophosphate.
Dane BadawczeIn this work, a series of Ca2−xSrxPN3:Eu2+ nitridophosphate phosphors through a solid-solution strategy involving a hot isostatic press was developed by collaborators from National Taiwan University. Unexpected dual emissions in the red and infrared regions are observed, different from previous research results. The unique change in red and near-infrared...
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Reverberation chamber in emc tests of naval systems
PublikacjaPaper covers the techniques of emission and immunity testing to the electromagnetic field in reverberation chamber. The procedure of he chamber calibration and field homogeneity assessment were covered. The naval forces' product as selected as an example for discussing the testing procedure in the chamber. The paper's summary gives the assortment of methodology in radiation emission testing and immunity to the electromagnetic field...
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The luminescence study of Bi-doped Cs2AgInCl6 double perovskite.
Dane BadawczeHere, we report a halide precursor acid precipitation method to synthesize Cs2AgIn1−xBixCl6 (x = 0, 0.02, 0.04, 0.08, 0.16, 0.32, 0.64, and 1) microcrystals. Cs2AgInCl6 and Bi derivative double perovskites show broadband white light emission via self-trapped excitons (STEs) and have achieved the highest internal quantum efficiency of up to 52.4% at...
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System do kondensacji wydychanego powietrza przy wykrywaniu biomarkerów chorób układu oddechowego
PublikacjaPraca opisuje konstrukcję oraz testy urządzenia zbierającego skropliny wydychanego powietrza, w których znadują się biomarkery chorób układu oddechowego. Celem urządzenia jest zwiększenie koncentracji biomarkerów, które mogą być następnie wykrywane za pomocą przygotowanego spektrofotometru i pH-metru. W pracy przedstawiono szczegółowo konstrukcję oraz sposób analizy zbieranych próbek. Skuteczność działania urządzenia przetestowano...
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System do kondensacji wydychanego powietrza przy wykrywaniu biomarkerów chorób układu oddechowego
PublikacjaPraca opisuje konstrukcję oraz testy urządzenia zbierającego skropliny wydychanego powietrza, w których znadują się biomarkery chorób układu oddechowego. Celem urządzenia jest zwiększenie koncentracji biomarkerów, które mogą być następnie wykrywane za pomocą przygotowanego spektrofotometru i pH-metru. W pracy przedstawiono szczegółowo konstrukcję oraz sposób analizy zbieranych próbek. Skuteczność działania urządzenia przetestowano...
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Recent progress in ultra-low formaldehyde emitting adhesive systems and formaldehyde scavengers in wood-based panels: a review
PublikacjaTraditional wood-based panels are produced with synthetic, formaldehyde-based adhesives, commonly made from fossil-derived constituents, such as urea, phenol, melamine, etc. Along with their numerous advantages, such as chemical versatility, high reactivity and excellent adhesive performance, these adhesives are characterized by certain problems, connected with the hazardous volatile organic compounds (VOCs), mostly free formaldehyde...
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Luminescence properties of TeOx-Dy gels
Dane BadawczeThe DataSet contains the emission and excitation spectra of TeOx-Dy gel. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. Next, the 5% mol of dysprosium ions were added, the nitrates were used as a source of rare-earth ions. The sol...
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Luminescence properties of TeOx-Tb gels
Dane BadawczeThe DataSet contains the emission and excitation spectra of TeOx-Tb gel. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. Next, the 5% mol of terbium ions were added, the nitrates were used as a source of rare-earth ions. The sol was...
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Luminescence properties of TeOx-Eu gels
Dane BadawczeThe DataSet contains the emission and excitation spectra of TeOx-Eu gels. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. Next, the 5% mol of europium ions were added, the nitrates were used as a source of rare-earth ions. The sol...
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Dual role of oxygen-related defects in the luminescence kinetics of AlNMn2+
Dane BadawczeThis dataset presents the impact of temperature and pressure on AlN:Mn2+ luminescence kinetics. Unusual behavior of Mn2+ optical properties during UV excitation is observed, where a strong afterglow luminescence of Mn2+ occurs even at low temperatures. When the temperature increases, the contribution of the afterglow luminescence is further enhanced,...
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OPTYMALIZACJA UDZIAŁU ELEKTROWNI JĄDROWYCH W KRAJOWEJ STRUKTURZE WYTWARZANIA ENERGII ELEKTRYCZNEJ W PERSPEKTYWIE DO 2060 ROKU
PublikacjaW niniejszym referacie przedstawiono wyniki analizy systemowej z wykorzystaniem modelu MARKAL. Analiza ta miała na celu określenie optymalnego udziału elektrowni jądrowych, na tle innych opcji technologicznych, w krajowej strukturze wytwarzania energii elektrycznej w perspektywie do 2060 roku. Kryterium optymalizacyjnym była minimalizacja kosztów dostawy energii elektrycznej od wytwórcy do odbiorcy końcowego, z uwzględnieniem ograniczeń...
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Power augmentation of PGE Gorzow's gas turbine by steam injection - thermodynamic overview
PublikacjaThe impact of steam injection upon a gas turbine and a combined power plant performance has been investigated. This article describes and summarizes possibilities of modification for current gas turbine in PGE Gorzow power plant into the Cheng cycle. Our modification deals with a thermal cycle, in which steam produced in a heat recovery steam generator is injected into the gas turbine's combustion chamber. It has been proved that...
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Real-time monitoring of volatiles and particles emitted from thermoplastic filaments during 3D printing
PublikacjaPresentation on the use of instrumental analytical techniques for the assessment of emission of volatiles and particulates during fdm 3d printing.
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The time-dependent cellular uptake of C−2028, CD−C−2028, QDgreen−C−2028, and QDgreen−CD−FA−C−2028 conjugates at IC80 value to cancer LNCaP cells
Dane BadawczeThe time-dependent (1, 24, 48, and 72 h) cellular uptake of C−2028, CD−C−2028, QDgreen−C−2028, and QDgreen−CD−FA−C−2028 conjugates at IC80 value to cancer LNCaP cells performed by Confocal Laser Scanning Microscopy (63× magnification; ZEISS LSM T-PMT, Magdeburg, Germany). Based on the fluorescence properties of these compounds, green and orange fluorescence...
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The time-dependent cellular uptake of C−2028, CD−C−2028, QDgreen−C−2028, and QDgreen−CD−FA−C−2028 conjugates at IC80 value to cancer H460 cells
Dane BadawczeThe time-dependent (1, 24, 48, and 72 h) cellular uptake of C−2028, CD−C−2028, QDgreen−C−2028, and QDgreen−CD−FA−C−2028 conjugates at IC80 value to cancer H460 cells performed by Confocal Laser Scanning Microscopy (63× magnification; ZEISS LSM T-PMT, Magdeburg, Germany). Based on the fluorescence properties of these compounds, green and orange fluorescence...
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The time-dependent cellular uptake of C−2028, CD−C−2028, QDgreen−C−2028, and QDgreen−CD−FA−C−2028 conjugates at IC80 value to normal PNT1A cells
Dane BadawczeThe time-dependent (1, 24, 48, and 72 h) cellular uptake of C−2028, CD−C−2028, QDgreen−C−2028, and QDgreen−CD−FA−C−2028 conjugates at IC80 value to normal PNT1A cells performed by Confocal Laser Scanning Microscopy (63× magnification; ZEISS LSM T-PMT, Magdeburg, Germany). Based on the fluorescence properties of these compounds, green and orange fluorescence...
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Luminescence and FTIR measurements of B2O3-Bi2O3-SrF2 glass and glass-ceramics doped with Eu3+ ions
Dane BadawczeLuminescence and FTIR measurements of B2O3-Bi2O3-xSrF2+2Eu (x=10,20) glass and glass-ceramics. The emission and excitation spectra of the samples depend on the composition and annealing time.
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The time-dependent cellular uptake of C−2028, CD−C−2028, QDgreen−C−2028, and QDgreen−CD−FA−C−2028 conjugates at IC80 value to cancer Du-145 cells
Dane BadawczeThe time-dependent (1, 24, 48, and 72 h) cellular uptake of C−2028, CD−C−2028, QDgreen−C−2028, and QDgreen−CD−FA−C−2028 conjugates at IC80 value to cancer Du-145 cells performed by Confocal Laser Scanning Microscopy (63× magnification; ZEISS LSM T-PMT, Magdeburg, Germany). Based on the fluorescence properties of these compounds, green and orange fluorescence...
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The time-dependent cellular uptake of C−2028, CD−C−2028, QDgreen−C−2028, and QDgreen−CD−FA−C−2028 conjugates at IC80 value to normal MRC-5 cells
Dane BadawczeThe time-dependent (1, 24, 48, and 72 h) cellular uptake of C−2028, CD−C−2028, QDgreen−C−2028, and QDgreen−CD−FA−C−2028 conjugates at IC80 value to normal MRC-5 cells performed by Confocal Laser Scanning Microscopy (63× magnification; ZEISS LSM T-PMT, Magdeburg, Germany). Based on the fluorescence properties of these compounds, green and orange fluorescence...
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Chemical hazard in glacial melt? The glacial system as a secondary source of POPs (in the Northern Hemisphere). A systematic review
PublikacjaToxicity of compounds belonging to persistent organic pollutants (POPs) iswidely known, and their re-emission from glaciers has been conclusively demonstrated. However, the harmful effects associated with such secondary emissions have yet to be thoroughly understood, especially in the spatial and temporal context, as the existing literature has a clear sampling biaswith the best recognition of sites in the European Alps. In this...
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BODIPY‐Perylene Charge Transfer Compounds; Sensitizers for Triplet‐Triplet Annihilation Up‐conversion
PublikacjaBODIPY heterochromophores, asymmetrically substituted with perylene and/or iodine at the 2 and 6 positions were prepared and investigated as sensitizers for triplet-triplet annihilation up conversion (TTA-UC). Single-crystal X-ray crystallographic analyses show that the torsion angle between BODIPY and perylene units lie between 73.54 and 74.51, though they are not orthogonal. Both compounds show intense, charge transfer absorption...
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From structure to luminescence investigation of oxyfluoride transparent glasses and glass-ceramics doped with Eu3+/Dy3+ ions
PublikacjaGlasses and glass-ceramics with nominal composition 73 TeO2– 4BaO– 3Bi2O3–18SrF2-2RE2O3 (where RE = Eu, Dy) have been synthesized by conventional melt-quenching technique and subsequent heat treatment at 370 °C for 24 h in air atmosphere. Various Eu3+ to Dy3+ molar ratio have been applied to investigate luminescence properties in both glass and glass-ceramic matrices. Especially, white light emission through simultaneous excitation...
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Ewa Wagner-Wysiecka dr hab. inż.
OsobyEwa Wagner-Wysiecka absolwentka Wydziału Chemicznego PG (Kierunek Technologia Chemiczna, kierunek dyplomowania: Technologia Nieorganiczna, specjalność: Analityka Techniczna i Przemysłowa). Pracę magisterską pt. ”Identyfikacja zanieczyszczeń występujących w farmakopealnej sulfachinoksalinie” zrealizowała pod kierunkiem prof. dr hab. inż. Jana F. Biernata. Po ukończeniu studiów magisterskich (1997 r.) rozpoczęła studia doktoranckie....
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Release Kinetics Studies of Early-Stage Volatile Secondary Oxidation Products of Rapeseed Oil Emitted during the Deep-Frying Process
PublikacjaThe research concerns the use of proton transfer reaction mass spectrometer to track real-time emissions of volatile secondary oxidation products released from rapeseed oil as a result of deep-frying of potato cubes. Therefore, it was possible to observe a sudden increase of volatile organic compound (VOC) emissions caused by immersion of the food, accompanied by a sudden release of steam from a potato cube and a decrease of the...
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Clean energy in the European Union: Transition or evolution?
PublikacjaIn this paper, we analyse two phenomena. First, the relationship between greenhouse gases emission and effectiveness of the European Union energy policies and second the transition from the fossil fuels to renewable energy sources. We run two-step data analysis concerning 25 European Union member states in the period from 1990 to 2018. We use information on greenhouse gases emission, introduction of new energy policies, source...
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WYNIKI SYMULACJI NUMERYCZNEJ CYKLU ROBOCZEGO SILNIKA O ZS W PROGRAMIE DIESEL-RK ORAZ OCENA ICH UŻYTECZNOŚCI W PROCESIE PLANOWANIA BADAŃ DIAGNOSTYCZNYCH OKRĘTOWEGO SILNIKA TŁOKOWEGO
PublikacjaW artykule przedstawiono wyniki symulacji numerycznej procesu roboczego realizowanego w silniku tłokowym o zapłonie samoczynnym. W zastosowanym programie użytkowym DIESEL-RK zaimplementowano silnik laboratoryjny Farymann Diesel typ D10. Wprowadzono wybraną niesprawność jego układu funkcjonalnego zasilania paliwem - obniżone ciśnienie otwarcia wtryskiwacza pwtr. Wyznaczono wartości adekwatnych parametrów diagnostycznych: temperaturę...
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Analiza właściwości emiterów impulsowych pola elektromagnetycznego
PublikacjaW pracy przedstawiono analizę porównawczą wybranych emiterów pola elektromagnetycznego w oparciu o badania symulacyjne. Badane emitery różnią się kształtem i rozmiarem elementów składowych. Analiza dotyczy właściwości impulsów pola elektromagnetycznego. Porównano właściwości kierunkowe, efektywności emisji oraz częstotliwości własne emiterów. Wskazano na najbardziej korzystną z punktu widzenia tych parametrów konstrukcje emitera.
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The luminescence study of Ca14Zn6Ga10−xMnxO35 coumpounds.
Dane BadawczeManganese in the pentavalent state (Mn 5+) is both rare and central in materials exhibiting narrow-band near-infrared (NIR) emission and is highly sought after for phosphor-converted light-emitting diodes as promising candidates for future miniature solid-state NIR light source. We develop the Ca 14 Zn 6 Ga 10−x Mn x O 35 (x = 0.3, 0.5, 1.0, 1.25, 1.5,...
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Luminescence properties of TeOx thin films annealing under an oxidizing atmosphere
Dane BadawczeThe DataSet contains the emission and excitation spectra of TeOx thin films. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. The sol was obtained by vigorously stirring precursor solution at 50°C for 2h, then the temperature was raised...
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Noise emitted by SKM Trains in Gdansk
PublikacjaHigh intensity traffic of SKM trains in Gdansk carries a significant level of noise emission. SKM line runs through the central part of the city and therefore in the vicinity of residential areas and recreational facilities. This research was planned and performed to find out what was the real noise emission of SKM trains and to determine whether the measurement noise values are within allowed limits. Individual acoustic events...
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MARKAL LONG-TERM POWER GENERATION SCENARIOS FOR POLAND: INCREASING THE SHARE OF RENEWABLE ENERGY SOURCES BY 2040
PublikacjaIn this paper, renewable energy sources (RES) support mechanisms in Poland was presented with perspectives of proposed support system modifications, discussed in the project of Renewable Energy Act. In addition, MARKAL model of RES support mechanism was presented, taking into account technology-specific multiplication factors. Two model runs with emission trading system in place and two additional runs without emission trade were...
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Luminescence properties of TeOx-Eu thin films
Dane BadawczeThe DataSet contains the emission and excitation spectra of TeOx-Eu thin films. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. Next, the 5% mol of europium ions were added, the nitrates were used as a source of rare-earth ions. The...
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Luminescence properties of TeOx-Tb thin films
Dane BadawczeThe DataSet contains the emission and excitation spectra of TeOx-Tb thin films. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. Next, the 5% mol of terbium ions were added, the nitrates were used as a source of rare-earth ions. The...
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Luminescence properties of TeOx-Dy thin films
Dane BadawczeThe DataSet contains the emission and excitation spectra of TeOx-Dy thin films. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. Next, the 5% mol of dysprosium ions were added, the nitrates were used as a source of rare-earth ions....
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Optical Spectroscopic Studies of Tetrahydrofuran Fragmentation Induced by Collisions with Dihydrogen Cations
PublikacjaCollisions of dihydrogen cations with tetrahydrofuran molecules have been studied. Luminescence spectra and the emission functions of the excited products at projectile energies ranging from 8 to 1000 eV have been measured using collision-induced emission spectroscopy. The recorded spectra are dominated by the atomic lines of the hydrogen Balmer series, whose intensities decrease more quickly than derived by the quantum-theoretical...
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MARKAL long-term power generation scenarios for Poland: Increasing the share of renewable energy sources by 2040
PublikacjaIn this paper, renewable energy sources (RES) support mechanisms in Poland was presented with perspec-tives of proposed support system modifications, discussed in the project of Renewable Energy Act. In ad-dition, MARKAL model of RES support mechanism was presented, taking into account technology-specific multiplication factors. Two model runs with emission trading system in place and two additional runs without emission trade...
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The luminescence study of Sr2TiO4:Sm3+ coumpounds.
Dane BadawczeA luminescent material based on the strontium orthotitanate (Sr2TiO4) matrix doped with 1% of a mole of samarium was obtained using the typical solid-state synthesis method under a neutral atmosphere of nitrogen. The sample was investigated using powder X-ray diffraction (XRD) and several luminescence techniques to study the phase composition, luminescence...