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Tytuł:
Evaluation of the content of trace elements in the aerial and underground biomass of perennial grasses of the genus Miscanthus
Autorzy:
Stypczyńska, Z.
Dziamski, A.
Jaworska, H.
Dąbkowska-Naskręt, H.
Powiązania:
https://bibliotekanauki.pl/articles/207911.pdf
Data publikacji:
2018
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
Miscanthus
heavy metals
biochemistry
Miskant
metale ciężkie
biochemia
Opis:
The content of lead, zinc, copper, nickel and chromium in the aerial and underground parts of M. sinensis from eleven years old plantation and M. sacchariflorus and M. giganteus from nine years old plantations were analysed in order to recognize what organs of the plant play the most important function as a metal accumulator. It was found that in the aboveground parts, lead, zinc and copper were accumulated mostly in leaves and nickel and chromium in stems of the studied species. In underground plant parts, especially in roots, zinc, copper and nickel were most abundantly accumulated, while rhizomes accumulated higher amounts of lead and chromium. The content of lead, zinc and copper was definitely lower in those plant organs than their content in soil. The content of nickel and chromium, on the other hand, showed the opposite dependence. A similar capacity for uptaking trace elements from soil was observed for M. sacchariflorus and M. giganteus, while M. sinensis it was much lower, which is confirmed by the values of the bioaccumulation factors. The translocation factor for trace metals in the studied grass species indicated great translocation of lead and nickel from the roots to rhizomes, and that of zinc to aboveground parts.
Źródło:
Environment Protection Engineering; 2018, 44, 3; 141-151
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Phytotoxicity and extractability of heavy metals from industrial wastes
Autorzy:
Baran, A.
Antonkiewicz, J.
Powiązania:
https://bibliotekanauki.pl/articles/207036.pdf
Data publikacji:
2017
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
phytotoxicity
industrial waste
heavy metal
metale ciężkie
odpady przemysłowe
fitotoksyczność
Opis:
The content, mobility and phytotoxicity of heavy metals in industrial wastes (sewage sludge, car-bide residue, flotation tailings) have been determined by chemical characterization and biological test. Assessment of phytotoxicity and content of heavy metals in industrial wastes is important for screening the suitability for their land application or storage. The obtained information may provide a better understanding of environmental risks of heavy metals in wastes. Waste phytotoxicity was arranged in the following order: municipal sewage sludge > industrial sewage sludge > carbide residue > flotation tailings from Żelazny Most > flotation tailings from Gilów. High toxicity of sewage sludge can be caused by a high total content of metals and their forms soluble in 1 M HCl. As a result of waste acidification, zinc, chromium, nickel, and cadmium will be released into the environment from sewage sludge, whereas copper and lead will be released from flotation tailings. The study showed a strongly positive correlation between the content of Zn, Ni, Cr, Cd in waste and root growth and seed germination inhibition.
Źródło:
Environment Protection Engineering; 2017, 43, 2; 143-155
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sorption of Cd(II), Ni(II) and Zn(II) on natural, sodium-, and acid-modified clinoptilolite-rich tuff
Autorzy:
Abatal, M.
Olguin, M. T.
Abdellaoui, Y.
El Bouari, A.
Powiązania:
https://bibliotekanauki.pl/articles/208078.pdf
Data publikacji:
2018
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
heavy metals
clinoptilolite
cadmium removal
metale ciężkie
klinoptylolit
usuwanie kadmu
Opis:
Sorption of Cd2+, Ni2+and Zn2+ions on natural (ZPCli), sodium modified (ZPCliNa) and acid modified (ZPCliH) zeolites have been investigated in function of the contact time, pH, and metal concentration by the batch technique. The characterization of ZPCIi, ZPCliNa, and ZPCliH materials was performed using X-ray powder diffraction, scanning electron microscopy and energy dispersive X-ray spectroscopy techniques. The surface area (BET) and the pHpzcwere also determined. The pH in the point of the zero charge of ZPCli, ZPCliNa, and ZPCliH zeolites was 8.25, 8.00, and 2.05, respectively. The kinetic sorption data for ZPCli, ZPCliNa and ZPCliH were well fitted to the pseudo-second order model (R2> 0.99). The linear model described the Cd, Ni and Zn sorption isotherms for ZPCliH, while for ZPCliNa and ZPCliH it was the Freundlich model. The unmodified and modified zeolitic materials showed the highest sorption capacity for Cd2+, lower for Zn2+ and Ni2+.
Źródło:
Environment Protection Engineering; 2018, 44, 1; 41-59
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Leaching of heavy metals from monolithic waste
Autorzy:
Mizerna, K.
Król, A.
Powiązania:
https://bibliotekanauki.pl/articles/208246.pdf
Data publikacji:
2018
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
heavy metals
leaching heavy metals
metale ciężkie
wymywanie metali ciężkich
Opis:
Leaching of heavy metals (Zn, Pb, Cu, Ni and Cr) from hazardous waste originating from steel works (slag) has been investigated. Contaminant leaching behavior from monolithic waste materials in the function of time was examined. There was established the cumulative leaching of elements per surface area of waste material and the impact of the duration of the leachant contact with the waste on the leachability. The types of processes accompanying the release of heavy metals were determined as well. Surface wash-off and dissolution were dominant processes during the leaching of the analyzed elements. Chromium was the only element whose release from the sample was controlled by diffusion when subjected to leaching in a liquid of pH 7. Due to the low levels of heavy metal leaching in relation to their concentrations in the samples, it seems that longer duration of the tank test can contribute to the release of additional amounts of the heavy metals.
Źródło:
Environment Protection Engineering; 2018, 44, 4; 143-158
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Physiological responses of nonmetallicolous and serpentine Silene vulgaris ecotypes cultivated in different soils
Autorzy:
Koszelnik-Leszek, Anna
Bielecki, Krzysztof
Powiązania:
https://bibliotekanauki.pl/articles/2032863.pdf
Data publikacji:
2021
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
Silene vulgaris
ecotype
heavy metals
soil
ekotyp
metale ciężkie
gleba
Opis:
Silene vulgaris ecotypes Wiry and Gajków, originating from a serpentine heap and a natural site, respectively, were cultivated from seeds on two substrates. The former was a serpentine heap located in Wiry (Poland, Lower Silesia), the latter – natural soil located in Gajków (Poland, Lower Silesia). The growth of both ecotypes on the Wiry soil was strongly inhibited. The Wiry ecotype grown on the serpentine heap accumulated more macro-, micro-nutrients and heavy metals (Ni, Co, Cr) than ecotype Gajków. Enzyme pyrogallol peroxidase was more active in the leaves of the Wiry ecotype grown only on Wiry soil. Ecotype Gajków, grown on the serpentine heap, was characterized by higher non-protein thiol, total polyphenol and anthocyanin content. The results obtained in the study indicated heterogeneous responses between ecotypes, depending on the applied substrate, while parallel studies of tolerant and sensitive populations made possible the study of the taxon’s tolerance mechanisms to heavy metals.
Źródło:
Environment Protection Engineering; 2021, 47, 3; 5-16
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Distribution and ecological risk assessment of heavy metals in roadside soil along the Hemat highway of Tehran, Iran
Autorzy:
Movafagh, A.
Mansouri, N.
Moattar, F.
Vafaeinejad, A. R.
Powiązania:
https://bibliotekanauki.pl/articles/207728.pdf
Data publikacji:
2018
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
heavy metals
contamination
wetlands
highway
metale ciężkie
autostrada
grunty przydrożne
Opis:
The impact of land use and a distance from the highway on heavy metal concentration in soils along the highway has been investigated. 28 soil samples were collected in August 2014 from the roadside soils of the Hemmat highway of Tehran, Iran. The results showed that the mean concentrations of Pb, Cr, Ni, Zn and Cd were 144, 17.20, 18.91, 86.84, 3.86 mg/kg–1, respectively. With exception for Cd, the concentrations of the heavy metals decreased upon increasing distance from the highway that shows the background amount of cadmium in the soil area was high. The values of the enrichment factor (EF) showed that Ni, Zn and Cr have a natural source (EF < 10) and Pb and Cd have an anthropogenic source (EF > 10). The anthropogenic sources are emphasized for these heavy metals, thus indicating the strong human influence. The mean values of geoaccumulation index (Igeo) for Pb, Zn, Cd were high at residential, under-construction and green space land uses. The ecological risk index (RI) for roadside soils was higher than 300, indicating that sampling sites had a considerable ecological risk. The potential ecological risk index for single metal decreases in the following sequence: Cd > Pb > Ni > Zn > Cr.
Źródło:
Environment Protection Engineering; 2018, 44, 3; 5-17
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of contamination with copper and mineral or organic amendments on the content of trace elements in soil
Autorzy:
Wyszkowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/207436.pdf
Data publikacji:
2017
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
zeolite
heavy metals
compost
cuprum
metale ciężkie
zeolit
bentonit
kompost
miedź
Opis:
The effect of increasing contamination with copper on the content of trace elements in soil after application of compost, bentonite and zeolite has been examined. The contents of copper, cadmium, lead, chromium, zinc, nickel, manganese, iron and cobalt were determined in soil. Soil contamination with copper and the application of neutralizing substances (compost, bentonite and zeolite) had significant effects on the contents of trace elements in soil. Copper pollution mainly caused a very high increase in the content of copper and a smaller one in the amount of cadmium in soil. Copper contamination caused a decrease in the content of cobalt, nickel, zinc, manganese, iron and lead in soil. All of applied substances, especially zeolite, reduced the content of copper, as well as cadmium, chromium and, to a smaller extent, lead and manganese in soil. It is worth noticing that the effect of zeolite was much stronger than the effect of bentonite or compost. Compost acted similarly with respect to cobalt and nickel. Zeolite had a similar effect on the content of zinc and iron in soil. Bentonite had a comparable influence on the accumulation of zinc in the soil. In turn, bentonite and zeolite contributed to an increase in the content of nickel and cobalt in the soil.
Źródło:
Environment Protection Engineering; 2017, 43, 4; 165-175
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Phytochelatins of Cladophora rupestris in Pb2+ absorption and its detoxification
Autorzy:
Zhang, Lu-Sheng
Yang, Liu
Li, Lingsheng
Feng, Xiaoyu
Cao, De-Ju
Liu, Zhao-Wen
Powiązania:
https://bibliotekanauki.pl/articles/27323982.pdf
Data publikacji:
2023
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
phytochelatins
heavy metals
detoxification
Cladophora rupestris
Pb+
fitochelatyny
metale ciężkie
detoksykacja
Opis:
Phytochelatins (PCs) exist widely in plants and are closely related to plant resistance to heavy metals (HMs). Glutathione (GSH) and nonprotein thiols (NPTs) are the major components of PCs. This study investigates the role of the PCs of Cladophora rupestris in Pb2+ accumulation and detoxification. The distribution of Pb2+ in the PCs of C. rupestris was studied. FTIR and XPS are used to characterize the chelating power of Pb2+ with PCs in C.rupestris. The curve fitting of the secondary protein structure is used to identify the functional groups with Pb2+. Results showed that the content of Pb2+ in the PCs of C. rupestris increased with an increase in Pb2+ stress. Pb content increased to 352 and 314 mg/kg in NPTs and GSH, respectively, when Pb stress concentration reached 7.5 mg/dm3 . The Pb2+ fraction of C. rupestris PCs reached a maximum of 10.8 and 9.3% in NPTs and GSH, respectively. The Pb2+ uptake by GSH and NPTs was 40–48% and 52–60%, respectively. Pb2+ bound with the PCs of C. rupestris, forming complexes that contained Pb–OOC, Pb–C=O, CO–Pb, –N=Pb, Pb–NH2, Pb–O, Pb–N–, Pb–C–, Pb–S, and Pb2+ with multiple groups of PCs as bridging ligand atoms.
Źródło:
Environment Protection Engineering; 2023, 49, 3; 31--42
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Study of precipitates formed on iron reactors following the removal of copper from water
Autorzy:
Suponik, T.
Powiązania:
https://bibliotekanauki.pl/articles/207255.pdf
Data publikacji:
2016
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
ground water
heavy metals
wody gruntowe
metale ciężkie
usuwanie miedzi z wody
Opis:
The presence of heavy metals, e.g. Cu in groundwater as a result of acid mine drainage (AMD) poses a threat to the environment. In order to remove cationic copper from solutions simulating the AMD, iron reactors were applied as zero-valent iron. The precipitates formed on the surface of the reactors and their specific surface area were determined. Affinity of copper in ionic form with reactors was investigated. The results show that for iron reactor immersed in solution of initial pH 3, copper oxides as well as iron oxides and carbonates (to lower extent) were formed. More reaction products were generated in case of higher pH (initial pH = 6). These were mainly: copper and iron oxides, Cu0, and probably iron sulfates and carbonates. These precipitates caused an increase in specific surface of the reactors. In both cases (mainly for the reactor immersed in a solution of lower pH) the surface of the reactors was not covered entirely with a coating. The sorption study indicated that copper ions may be retained on the surface of reactors only at higher pH, because the pH at point of zero charge of iron reactors was ca. 6.2.
Źródło:
Environment Protection Engineering; 2016, 42, 4; 123-135
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of biological methods to assess the toxicity of soils contaminated with heavy metals and the effectiveness of stabilisation processes
Autorzy:
Tatuśko-Krygier, Natalia
Jakubus, Monika
Powiązania:
https://bibliotekanauki.pl/articles/207305.pdf
Data publikacji:
2019
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
compost
heavy metals
biomass
fly ash
kompost
metale ciężkie
biomasa
popiół lotny
Opis:
Short-term biotests were used to determine the effectiveness of the use of compost and fly ash in the stabilization of heavy metals in contaminated soil. For this purpose, in two independent experiments, either compost (3:1) or fly ash (1:1) were added to soil contaminated with heavy metals. To assess seed germination and root elongation of Sorghum saccharatum L., Lepidium sativum L., Sinapis alba L. after three days a Phytotoxkit test was used. Seedling emergence and biomass yield after 21 days were evaluated. Obtained data indicate better practical applicability of the seedling emergence test thanks to the longer duration resulting in more reliable conclusions provided in that test. A short, 3-day test did not confirm any effective stabilizing role of theapplied additives. Sorghum saccharatum L. turned out to be most sensitive to the altered soil conditions, while Lepidium sativum L. was most tolerant.
Źródło:
Environment Protection Engineering; 2019, 45, 4; 33-43
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zinc speciation in soil under various rates of sewage sludge and liming
Autorzy:
Malinowska, E.
Powiązania:
https://bibliotekanauki.pl/articles/207821.pdf
Data publikacji:
2016
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
heavy metals
liming soil
trace elements
metale ciężkie
wapnowanie gleby
pierwiastki śladowe
Opis:
The influence of sewage sludge doses and liming on the speciation of zinc in the soil has been investigated. For the highest dose of sludge, 15 wt. %, more than twofold increase in zinc content compared with the control has been observed. Based on sequential analysis of zinc content in sewage sludge, it was found that its concentration in the easily soluble and exchangeable fractions was low while it was the highest in the organic fraction. The concentration of zinc in selected soil fractions was dependent on the sludge dose and liming. In the first year of the experiment, zinc was mainly bound to organic matter and residual, while in the second year – to organic matter. In limed soil, much more zinc was bound to the residual fraction compared with the soil without liming.
Źródło:
Environment Protection Engineering; 2016, 42, 4; 5-15
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The environmental pollution with copper and zinc along the communication routes in Wrocław, Poland
Autorzy:
Hołtra, A.
Zamorska-Wojdyła, D.
Powiązania:
https://bibliotekanauki.pl/articles/207411.pdf
Data publikacji:
2016
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
heavy metals
urban
soils
city
Wrocław
communication routes
metale ciężkie
szlaki komunikacyjne
gleba
Opis:
Copper and zinc concentrations in soils and grasses near selected communication routes in Wrocław, Poland have been determined. Environmental samples were collected from the surface layer of the soil profile within 3 m from the edge of the road. The analysis of metals in the mineralizates has been carried out by atomic absorptive spectroscopy (AAS). The conductivity and pH of the soil solutions were measured to evaluate the salinity of the soils and also their active and exchangeable acidity. There have been determined the parameters characterizing the content of metals in soils and grasses, the index of the enrichment of soils in zinc and copper (Wn), the bioaccumulation coefficient (WB), histograms of the frequency of metals occurrence in environmental samples. Also it was presented the Pearson’s r correlation coefficients for the relationships: Zn in soil/Cu in soil, Zn in grass/Cu in grass, Cu in grass/Cu in soil, Zn in grass/Zn in soil. The research does not indicate exceeding of the permissible content of copper and zinc in the environment. However, in all samples higher content of the metals compared to the geochemical background have been observed.
Źródło:
Environment Protection Engineering; 2016, 42, 3; 153-165
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nigerian lateritic clay soils as hydraulic barriers to adsorb metals. Geotechnical characterization and chemical compatibility
Autorzy:
Ojuri, O. O.
Akinwumi, I. I.
Oluwatuyi, O. E.
Powiązania:
https://bibliotekanauki.pl/articles/208070.pdf
Data publikacji:
2017
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
glina
metale ciężkie
gleba
przewodnictwo elektryczne
Nigeria
clay
heavy metals
soil
electrical conductivity
Opis:
The suitability of using lateritic clays from Aviele and Igarra has been investigated both in the Northern part of Edo state, Nigeria as liners of an engineered landfill and to adsorb metals in leachates. Geotechnical characteristics, pH, and elemental composition for the lateritic clay samples were determined. The chemical composition, pH, total dissolved solids and electrical conductivity were determined for leachates collected from two dumpsites. The capacities of the lateritic clay soils to adsorb heavy metals in the leachates were determined using the batch equilibrium adsorption technique. The unconfined compressive strength (UCS) of soils were found to be sufficient to resist damage. By both the standard and modified Proctor compaction tests, it was found that the coefficients of permeability for the soil samples were lower than 1×10–9 m/s that is widely recommended for soils that are to be used as landfill liners. Pb2+, Zn2+ and Cr2+ were the heavy metals in the leachates. The sorption selectivity order for tested soils depended on the soil type and properties.
Źródło:
Environment Protection Engineering; 2017, 43, 4; 209-222
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of contamination with heavy metals in the environment. Water, sediment, and soil around Kosovo power plants
Autorzy:
Demaku, Skender
Kastrati, Gani
Halili, Jeton
Powiązania:
https://bibliotekanauki.pl/articles/2086906.pdf
Data publikacji:
2022
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
heavy metals
brown coal
Kosovo
power plant
metale ciężkie
węgiel brunatny
Kosowo
elektrownia
Opis:
In Kosovo, the current production of electricity depends mainly on its generation, which is based on the burning of lignite in the power plants (Kosovo power plants A and B). Significant changes were found in the concentrations of heavy metals in various sediment, soil, and water sample locations. Physicochemical parameters such as temperature, pH, dissolved oxygen, chemical oxygen demand, total dissolved solids, biochemical oxygen demand, and main ions (SO42-, PO43-, Cl-, NO3-, and NH4+) were monitored to obtain accurate and representative data. The study indicates that there is mild contamination from these elements in the river, however, to reach a clear conclusion, additional research should be done in the study area. The sampling took place over three months in 2018 (April, July and October). The data analysis revealed that the concentration of heavy metals such as Pb, Zn, Fe, Ni, Cd, Mn, Al, Cu, and Cr in several examined samples exceeds the maximum permissible limits. Substantial levels of metal pollution in the samples collected in three distinct locations were found.
Źródło:
Environment Protection Engineering; 2022, 48, 2; 15--27
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Efficiency of MSW compost for reducing uptake of heavy metals by plant
Autorzy:
Özbaş, E. E.
Özcan, H. K.
Ongena, A.
Powiązania:
https://bibliotekanauki.pl/articles/206924.pdf
Data publikacji:
2016
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
MSW
municipal solid waste
compost
sewage sludge
metale ciężkie
odpady komunalne
osad ściekowy
Opis:
Municipal solid waste (MSW) compost supplied from the Istanbul Solid Waste Recycling and Composting Facility was used to amend soil samples collected within the boundaries of Istanbul. Cat grass (Dactylis glomerata cat grass) seeds were sown in the prepared samples. Plant development was observed for 90 days. pH, Cd, Cu and Ni concentrations in plant samples were measured at the end of every month. Concentrations of forms of Cd, Cu and Ni forms in soil were determined at the beginning and at the end of 90 day period (with sequential extraction). The effect of MSW compost on the transfer of Cd, Cu and Ni from the soil to the plants and the change in the forms of heavy metals in soil was determined. Results of sequential extraction showed that, adding compost into the soil changed the forms of these metals in soil. Plant uptake of Cd decreased, however, those of Ni and Cu increased. Cu concentration in plants that grew in soil with 3 wt. % of compost added reached 136.4 μg/kg.
Źródło:
Environment Protection Engineering; 2016, 42, 4; 87-96
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 53

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