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Wyświetlanie 1-15 z 102
Tytuł:
A method for remediation of soil contaminated with simazine
Autorzy:
Balawejder, M.
Józefczyk, R.
Antos, P.
Pieniążek, M.
Powiązania:
https://bibliotekanauki.pl/articles/204949.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
simazine
remediation
soil
ozone
Opis:
Although the utilization of pesticides accounted for the group of persistent organic pollutants was banned years ago, a count of pesticides are still directly or indirectly a source of contamination in Europe. One of them, simazine is still allowed for use in the United States. Aim of this experiment was development of soil remediation method which could be utilized for degradation triazine class pesticides – simazine was an example used. A method for soil remediation based on ozonation processes in fluidized bed was successfully utilized for removal of simazine from contaminated soil. For the study soil highly contaminated with simazine up to the concentration of 0.05% w/w was used. Determination of the pesticide levels in soil was performed using extraction and gas chromatography. The method allowed 80% reduction of pesticide concentration level. The degradation of pesticide was accompanied with changes of physicochemical parameters of soil, i.e., decrease of pH and a increase of nitrates concentration. Despite changes in physicochemical properties of the soil, the developed method proved to be highly effective and can be successfully applied on an industrial scale.
Źródło:
Archives of Environmental Protection; 2016, 42, 3; 41-46
2083-4772
2083-4810
Pojawia się w:
Archives of Environmental Protection
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
In search of effective remediation for students with developmental dyslexia – a review of contemporary English literature
Autorzy:
Bogdanowicz, Katarzyna M.
Krasowicz-Kupis, Grażyna
Wiejak, Katarzyna
Powiązania:
https://bibliotekanauki.pl/articles/430659.pdf
Data publikacji:
2016-09-01
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
dyslexia
reading
decoding
remediation
children
Opis:
Although developmental dyslexia is frequently diagnosed in Poland, little knowledge of effective treatment for this disorder is available in Polish society. Remedial teachers for many years have applied traditional methods aimed at correction and compensation for affected cognitive functions and academic skills. Otherwise, although western therapies are regularly advertised in the media, their effectiveness has rarely been subject to scientific investigation. Since the assumptions underlying some approaches are not consistent with current understanding of cognitive function, they may attract negative expert appraisal. Unfortunately, it seems that fashion in dyslexia therapy is resistant to rare expressions of criticism from the scientific community. The purpose of this article is to promote awareness about effective treatment for specific reading disorders. Teachers’ greater understanding in this area should help Polish dyslexic children and their parents, who may be confused by offers of misguided therapy and sharp business practise. It is hoped that this article will clarify the situation. In this review of modern English journal articles, focus is on remedial teaching of reading, and more specifically, support for dyslexic students experiencing difficulties in decoding. Here we are concerned only with therapy in alphabetic languages in which individual speech sounds correspond to letters. Analysis of articles from the last six years leads to the conclusion that the most effective therapy for the reading disorder is training in phonological awareness and consolidation of letter-sound knowledge. However, these skills should be practised in the context of reading.
Źródło:
Polish Psychological Bulletin; 2016, 47, 3; 270-280
0079-2993
Pojawia się w:
Polish Psychological Bulletin
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluating the Effect of the Approaching Electrode on the Migration for Metal Ions through the Electro-Kinetic Technique for Contaminated Soil
Autorzy:
Thamer, Zeina
Khalil, Amal H.
Powiązania:
https://bibliotekanauki.pl/articles/2202378.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
zinc
electrokinetic
remediation
approached anode
Opis:
In this study, three experiments using the fixed anode technique and approached anode technique were carried out. The first experiment (EK-1) used distilled water as leaching solution (purging solution) at the anode and cathode chamber under voltage gradient was equal to 1.5 V/cm. In the second and third experiments, a solution enhanced with 1M acetic acid (AA) was used as catholic solution. The results indicate that residual concentration of Zn+2 decreases, beginning with an initial value of 850 mg/kg in all portions of soil sample EK-1, EK-2, in addition to EK-3. It seems that the residual concentration of EK-3 (approached anode technique) was lower than that of EK-1 and EK-2 in identical portions.
Źródło:
Journal of Ecological Engineering; 2023, 24, 2; 72--80
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Monitoring and remediation technologies of organochlorine pesticides in drainage water
Autorzy:
Ismail, A.
Derbalah, A
Shaheen, S.
Powiązania:
https://bibliotekanauki.pl/articles/778156.pdf
Data publikacji:
2015
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
lindane
remediation
toxicity
degradation
water
Opis:
This study was carried out to monitor the presence of organochlorine in drainage water in Kafr-El-Sheikh Governorate, Egypt. Furthermore, to evaluate the efficiencies of different remediation techniques (advanced oxidation processes [AOPs] and bioremediation) for removing the most frequently detected compound (lindane) in drainage water. The results showed the presence of several organochlorine pesticides in all sampling sites. Lindane was detected with high frequency relative to other detected organochlorine in drainage water. Nano photo-Fenton like reagent was the most effective treatment for lindane removal in drainage water. Bioremediation of lindane by effective microorganisms (EMs) removed 100% of the lindane initial concentration. There is no remaining toxicity in lindane contaminated-water after remediation on treated rats relative to control with respect to histopathological changes in liver and kidney. Advanced oxidation processes especially with nanomaterials and bioremediation using effective microorganisms can be regarded as safe and effective remediation technologies of lindane in water.
Źródło:
Polish Journal of Chemical Technology; 2015, 17, 1; 115-122
1509-8117
1899-4741
Pojawia się w:
Polish Journal of Chemical Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Monitoring of organophosphorus pesticides and remediation technologies of the frequently detected compound (chlorpyrifos) in drinking water
Autorzy:
Derbalah, A.
Ismail, A.
Shaheen, S.
Powiązania:
https://bibliotekanauki.pl/articles/778327.pdf
Data publikacji:
2013
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
chlorpyrifos
pollution
toxicity
water
remediation
Opis:
Studies on the currently used organophosphorus insecticides with respect to their environmental levels and effective remediation technologies for their residues in water have been considered as a source of major concern. This study was carried out to monitor the presence of organophosphorus in drinking water plants (Kafr-El-Shiekh, Ebshan, Elhamoul, Mehalt Aboali, Fowa, Balteem and Metobess) in Kafr-El-Shiekh Governorate, Egypt. Furthermore, it was carried out to evaluate the efficiency of different remediation technologies (advanced oxidation processes and bioremediation) for removing chlorpyrifos in drinking water. The results showed the presence of several organophosphorus pesticides in water sampling sites. Chlorpyrifos was detected with high frequency relative to other compounds in drinking water. Nano photo-Fenton like reagent (Fe2O3(nano)/H2O2/UV) was the most effective treatment for chlorpyrifos removal in drinking water followed by ZnO(nano)/H2O2/UV, Fe3+/H2O2/UV and ZnO/H2O2/ UV, respectively. Bioremediation of chlorpyrifos by effective microorganisms (EMs) removed 100% of the chlorpyrifos initial concentration after 23 days of treatment. There is no remaining toxicity in chlorpyrifos contaminated-water after remediation on treated rats with respect to cholinesterase activity and histological changes in kidney and liver relative to control. Advanced oxidation processes especially with nanomaterials and bioremediation with effective microorganisms can be regarded as safe and effective remediation technologies for chlorpyrifos in drinking water.
Źródło:
Polish Journal of Chemical Technology; 2013, 15, 3; 25-34
1509-8117
1899-4741
Pojawia się w:
Polish Journal of Chemical Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Elemental and mineral inventory of tailing impoundments near Pezinok, Slovakia and possible courses of action for their remediation
Autorzy:
Majzlan, Juraj
Brecht, Björn
Lalinska, Bronislava
Chovan, Martin
Moravansky, Daniel
Uhlik, Peter
Powiązania:
https://bibliotekanauki.pl/articles/2086503.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Mineralogiczne
Tematy:
impoundments
Pezinok
remediation
arsenic
antimony
Opis:
An effective remediation strategy for a polluted site should take the absolute amount of the pollutant(s) into account. Here, we present an elemental budget for As, Sb and Fe in two tailing impoundments of the former Sb-Au deposit near Pezinok, Slovakia. The two impoundments contain 5,740 X103 kg As, 6,360 X103 kg Sb and 50,105 X103 kg Fe. An estimated total Au content in the impoundments is 132 kg. The most abundant minerals in the tailings are quartz, illite, and chlorite. The content of carbonates in the tailings is 3.5-10.5 wt% calcite equivalent and we estimate that the carbonates are sufficiently abundant to buffer the pH at circumneutral values, up to the point when all pyrite decomposes. The possible courses of action are i) do nothing, ii) build an active barrier to capture the released As and Sb, iii) isolate the impoundments from rain and ground water and iv) use the impoundments as a source of Sb and redeposit the waste in a safer form. The simplest approach is to do nothing, which seems to be the most likely course of events, given the current economic, political and societal state of the Slovak Republic. Although this action costs nothing in the short term, it may cause significant damage to the environment, especially to the alluvial sediments and associated water resources in the long term.
Źródło:
Mineralogia; 2010, 41, 1/2; 55--74
1899-8291
1899-8526
Pojawia się w:
Mineralogia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Elemental and mineral inventory of tailing impoundments near Pezinok, Slovakia and possible courses of action for their remediation
Autorzy:
Majzlan, J.
Brecht, B.
Lalinska, B.
Chovan, M.
Moravansky, D.
Uhlik, P.
Powiązania:
https://bibliotekanauki.pl/articles/2086530.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Mineralogiczne
Tematy:
impoundments
Pezinok
remediation
arsenic
antimony
Opis:
An effective remediation strategy for a polluted site should take the absolute amount of the pollutant(s) into account. Here, we present an elemental budget for As, Sb and Fe in two tailing impoundments of the former Sb-Au deposit near Pezinok, Slovakia. The two impoundments contain 5,740 X103 kg As, 6,360 X103 kg Sb and 50,105 X103 kg Fe. An estimated total Au content in the impoundments is 132 kg. The most abundant minerals in the tailings are quartz, illite, and chlorite. The content of carbonates in the tailings is 3.5-10.5 wt% calcite equivalent and we estimate that the carbonates are sufficiently abundant to buffer the pH at circumneutral values, up to the point when all pyrite decomposes. The possible courses of action are i) do nothing, ii) build an active barrier to capture the released As and Sb, iii) isolate the impoundments from rain and ground water and iv) use the impoundments as a source of Sb and redeposit the waste in a safer form. The simplest approach is to do nothing, which seems to be the most likely course of events, given the current economic, political and societal state of the Slovak Republic. Although this action costs nothing in the short term, it may cause significant damage to the environment, especially to the alluvial sediments and associated water resources in the long term.
Źródło:
Mineralogia; 2010, 41, 1/2; 55--74
1899-8291
1899-8526
Pojawia się w:
Mineralogia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of Effective Microorganisms Technology as a lake restoration tool - a case study of Muchawka Reservoir
Autorzy:
Sitarek, M.
Napiórkowska-Krzebietke, A.
Mazur, R.
Czarnecki, B.
Pyka, J.P.
Stawecki, K.
Olech, M.
Sołtysiak, S.
Kapusta, A.
Powiązania:
https://bibliotekanauki.pl/articles/1190178.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
Tematy:
restoration
eutrophication
remediation
EM
nutrients
Opis:
This paper presents the effects of an application of Effective Microorganisms (EM) technology in line with the method developed by Sitarek, thus evaluating its effectiveness as a tool in the biological restoration of a water body. In 2012-2013, EM was applied in Muchawka Reservoir situated in the town of Siedlce (eastern Poland). Analyses of water parameters and bottom sediments were carried out in 2011, before the EM technology was implemented and again in 2013-2015 after the EM application was completed. In spring 2011, the average total nitrogen (TN) content at the surface was 3.1 mg dm-3 while the total mineral nitrogen content equalled 0.893 mg dm-3. After the EM application was completed, in the summer of 2013, the TN content was on average 2.5 mg dm-3. The content of nitrates and nitrites in the summer of 2013 reached 1.20 mg dm-3 at the most. Lower levels of such forms of nitrogen were observed in 2013 and also in subsequent years at the bathing beach (site 1) and the hostel (site 3) than at the inflow (site 4). Likewise, the highest content of phosphates was recorded at the inflow site (4), being four -fold lower at the other sites (1, 3). The average content of TP before the EM technology was applied was 0.205 mg dm-3, whereas after the application of effective microorganisms it fell down to 0.189 mg dm-3 (2013-2015). Only slight changes of TSITP indicated that waters in Muchawka Reservoir were eutrophic. After EM was applied twice, no streaks, cyanobacterial scums or pollution at the bathing sites were visible. The bacteriological evaluation of the water samples was carried out by the County Branch of the State Sanitary Inspectorate in Siedlce. The bacteriological water quality was described as “excellent”. These findings suggest that the method developed by Sitarek, combined with probiotic preparations, could be a useful tool in the restoration of water bodies, but the conclusion requires further detailed verification.
Źródło:
Journal of Elementology; 2017, 22, 2; 529-543
1644-2296
Pojawia się w:
Journal of Elementology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hydrogen peroxide as a biodegradation stimulator in remediation processes of soils heavily contaminated with petrochemicals
Autorzy:
Rosik-Dulewska, C.
Krzyśko-Łupicka, T.
Ciesielczuk, T.
Kręcidło, Ł.
Powiązania:
https://bibliotekanauki.pl/articles/778974.pdf
Data publikacji:
2015
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
soil
remediation
petrochemicals
hydrogen peroxide
Opis:
The soil contaminated with petroleum products must be excluded from the crops and treated to reclamation processes. Natural processes of decomposition of hydrocarbon compounds go very slow, so it is necessary to use bioaugumentation or stimulation in order to accelerate the return of the soil to high culture. In this study the effect of hydrogen peroxide on the process of cleaning soil strongly contaminated with pertochemicals was investigated. For this purpose, a pot experiment lasting 60 days was carried. The dynamics of changes in the population of filamentous fungi, yeasts and bacteria were examined and also content of aliphatic hydrocarbons (n-alkanes), monoaromatic and polycyclic aromatic hydrocarbons (PAHs). Experimental use of hydrogen peroxide in the process of biodegradation of petroleum compounds assisted in the analyzed soil led to an increase of the number of grampositive bacteria during the test. Stimulation of oil products biodegradation by hydrogen peroxide also increased by 35% decomposition efficiency of aliphatic hydrocarbons (C8-C40) and about 50% PAH’s in comparison to control samples without hydrogen peroxide. There was no influence of hydrogen peroxide on the content of monoaromatic hydrocarbons (BTEX) with respect to controls, although in the end of experiment, the total concentration decreased by about 50% compared to the initial content.
Źródło:
Polish Journal of Chemical Technology; 2015, 17, 2; 17-22
1509-8117
1899-4741
Pojawia się w:
Polish Journal of Chemical Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mineralogical and chemical characteristics of the lead-zinc tailing and contaminated soil from the mine tailing pond in Hunan Province (China)
Autorzy:
Li, C.
Zeng, L.
Fu, J.
Chen, J.
He, J.
He, Z.
Powiązania:
https://bibliotekanauki.pl/articles/110442.pdf
Data publikacji:
2017
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
mineralogical characteristics
chemical fractionation
remediation
Opis:
The mineralogical and chemical characteristics of heavy metals in tailings and soils is an imperative for potential ecological risk assessment of metals to environment and heavy metals pollution prevention and control. The lead-zinc tailing and contaminated soil in and near the tailing pond were sampeled from a mine tailing pond in Hunan province (China), in which the chemical composition, phase composition and thermal behavior of tailing and soil were investigated. Furthermore, the petrography of lead-zinc tailing and chemical fractionations of Pb and Zn in the contaminated soil were studied in details. The mineral phases of lead-zinc tailing were galena, pyrite, chalcopyrite, sphalerite, quartz and fluorite, as distinguished by the reflected light microscopy and further proofed by the scanning electron microscope-energy dispersive spectrometer under the back scattered electron mode. Chemical fractionations were carried out by the European Community Bureau of Reference (BCR) sequential extraction procedure for Pb and Zn in the soil and the mild acido-soluble (F1), reducible (F2), oxidizable (F3), and residual (F4) fractions were 5.90, 75.24, 4.90 and 13.96% for Pb, and 47.74, 34.06, 9.59 and 8.61% for Zn, respectively. Subsequently, the individual contamination factor (ICF) of Pb and Zn were calculated as 6.16 and 10.61, respectively. The DTPA-available content of Pb and Zn in the contaminated soil were 39.9 and 170.7 mg·kg-1, respectively. The study provided a base for selecting remediation strategies in the studied area.
Źródło:
Physicochemical Problems of Mineral Processing; 2017, 53, 2; 1133-1147
1643-1049
2084-4735
Pojawia się w:
Physicochemical Problems of Mineral Processing
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cele remediacji a rola akredytowanych laboratoriów — aspekty praktyczne
Goals of remediation vs the role of accredited laboratories — practical aspects
Autorzy:
Hańderek, Mateusz
Powiązania:
https://bibliotekanauki.pl/articles/46616386.pdf
Data publikacji:
2021-06-25
Wydawca:
Wydawnictwo Uniwersytetu Śląskiego
Tematy:
environment protection
pollution
emissions
remediation
Opis:
Article analyses issues connected with lack of specific regulations regarding performance of examinations by accredited laboratories in the process of remediation and possibilities for authorities to verify results of such examinations. In order to provide contest for the analysis, the article familiarizes the reader with short description of the remediation as a legal institution as well as the corresponding procedure. Article also includes de lege ferenda postulates in this respect.
Źródło:
Prawne Problemy Górnictwa i Ochrony Środowiska; 2021, 1; 1-11
2451-3431
Pojawia się w:
Prawne Problemy Górnictwa i Ochrony Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wykorzystanie sorbentów w procesach oczyszczania gruntów
Application of sorbents in the process of soil remediation
Autorzy:
Sarbak, Z.
Powiązania:
https://bibliotekanauki.pl/articles/106605.pdf
Data publikacji:
2010
Wydawca:
Towarzystwo Chemii i Inżynierii Ekologicznej
Tematy:
gleba
sorbenty
remediacja
soil
sorbents
remediation
Opis:
W wyniku niewłaściwej działalności ludzkiej następuje degradacja środowiska naturalnego. Degradacji ulega zarówno powietrze, woda, jak i gleba. Najtrudniejszym zadaniem jest przywrócenie zdegradowanej gleby do stanu normalnego, gdyż gleba jest bardzo skomplikowanym układem fizykochemicznym, różniącym się właściwościami w różnych miejscach jej badania. Zanieczyszczoną związkami chemicznymi glebę można oczyścić zarówno metodami in-situ, jak i ex-situ, stosując nieorganiczne sorbenty. W tej publikacji omówiono właściwości sorpcyjne krzemionek, tlenków glinu, krzemianów i glinokrzemianów, minerałów ilastych typu kaolinitu, bentonitu, a w tym montmorylonitu, sepiolitu i zeolitów z grupy sodalitu, fojazytu i mordenitu oraz węgli aktywnych. Uwagę zwrócono na budowę (strukturę) tych sorbentów oraz na centra oddziałujące aktywnie z sorbowanymi cząstkami chemicznymi stanowiącymi zanieczyszczenia gleby, którymi są kationy metali ciężkich i związki organiczne typu pestycydy, fenole, dioksan, węglowodory i inne. W prezentowanym artykule uwaga zostanie skierowana na możliwość oczyszczanie gruntu spowodowanego związkami chemicznymi za pomocą nieorganicznych sorbentów.
Due to improper actions of man the degradation of natural environment such as air, water and soil take place. However, the most difficult problem concerns removal of chemical pollutants from soil, because soil is a complicated physicochemical system where properties depends very much on place of examination. Polluted soil with chemical compounds is possible to clean by in-situ and ex-situ methods using inorganic sorbents. This paper describe sorption properties of silicas, aluminas, silica aluminas, clay minerals such as kaolinite, bentonite, monmoryllonite, sepiolite and zeolites types of sodalite, fojasite and mordenite as well as activated carbons. The main attention was paid on structure of above-mentioned sorbents and on centres active during sorption of chemical molecules which contaminated soil: like heavy metal cations, organic compounds such as pesticide, phenols, dioxan, hydrocarbons and others.
Źródło:
Chemistry-Didactics-Ecology-Metrology; 2010, 15, 1; 77-92
2084-4506
Pojawia się w:
Chemistry-Didactics-Ecology-Metrology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Motyw „yūrei” w japońskich survival horrorach — analiza wybranych przykładów
The motif of “yūrei” in Japanese survival horrors – the analysis of selected case studies
Autorzy:
Staszenko, Dominika
Powiązania:
https://bibliotekanauki.pl/articles/973185.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
survival horror
Japanese mythology
remediation
interface
Opis:
This paper examines the phenomenon of survival horror games. It focuses on “yūrei”, a Japanese mythological supernatural being. “Yūrei” returns to the world of the living to take revenge on the people who harmed them in the past. The paper also concentrates on the remediation of “yūrei” iconography from literature and Japanese ghost movies into games. It analyses the characteristics of the survival horror genre, dividing them into the ludic and semantic systems. It also describes the relationships between traditional Japanese legends and modern texts, and presents an important issue of the main character (usually schematic and doomed to failure). Observations are based mainly on two games: “Calling” for Nintendo Wii and “Kuon” for PlayStation 2.
Źródło:
Replay. The Polish Journal of Game Studies; 2014, 01
2391-8551
2449-8394
Pojawia się w:
Replay. The Polish Journal of Game Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Remote qualitative interviews
Autorzy:
Łątkowski, Mikołaj
Powiązania:
https://bibliotekanauki.pl/articles/1366507.pdf
Data publikacji:
2021-06-17
Wydawca:
Fundacja Pro Scientia Publica
Tematy:
qualitative interviews
remediation
qualitative researchers
interviews
Opis:
Aim. The aim of this article is to contribute towards a wider analysis of remote qualitative interviews taking into consideration the context of qualitative research as a social practice, which is often overlooked in the body of literature. Methods. The study is based on twelve in-depth interviews with qualitative researchers conducted by the author. The data is analysed with the focus on social aspects of qualitative interviews which engage the interviewee and the interviewer alike. Results and conclusion. The analysis shows that, from the perspective of the researcher, the social aspects of qualitative interviews constitute an important part of the research method. The interview is a meeting that combines methodological features with the attitude of involved people. Researchers are accustomed to in-person interviews and from that perspective, they evaluate possible losses caused by remote research. However, as they self-reflect, this is not always an inherent feature of the new media but rather a question of how they are used and by whom. The interview is a meeting that utilises communication habits and experiences from both sides of the conversation – the interviewer and the interviewee. It is important to take this fact into consideration while analysing the potential of remote interviews, especially when social isolation caused by the COVID-19 pandemic is changing our communication habits. Cognitive value. The remote qualitative interviews are often described from the perspective of usability and effectiveness. This article describes researchers as a part of the research process who have their own attitudes and experiences in conducting research. From the perspective of social practices, these are almost as important as the knowledge and attitude of interviewees and they also affect the results of the research process.
Źródło:
Journal of Education Culture and Society; 2021, 12, 1; 202-211
2081-1640
Pojawia się w:
Journal of Education Culture and Society
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Factors underlying persistently high radon levels in a house located in a karst limestone region of Ireland : lessons learned about remediation
Autorzy:
Long, S. C.
Fenton, D.
Scivyer, C.
Monahan, E.
Powiązania:
https://bibliotekanauki.pl/articles/147388.pdf
Data publikacji:
2016
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
karst geology
lessons learned
radon
remediation methods
Opis:
The remediation of buildings with elevated radon concentrations is generally straightforward. However, in some cases a number of attempts may be needed to reduce concentrations to below the reference level and, occasionally, it may be impossible to reduce concentrations to below the reference level in a cost effective way. This paper details the work carried out between 2004 and 2012 to reduce radon concentrations in a house with initial radon concentrations of almost 1500 Bq/m3. Over this period, high radon levels were consistently recorded despite the introduction of various radon remedial measures. Remedial work was carried out on ten occasions with 29 radon tests carried out to measure the effect of this work. The paper describes the structure of the house and the karst geology that it is built on and the likely contribution of these factors to the difficulties encountered reducing concentrations. Ultimately, radon concentrations were reduced to about 450 Bq/m3 but no further reductions were considered practicable without substantial and costly renovation to the house. Nonetheless, the remedial work carried out to date has resulted in a significant reduction in the risk to the homeowner of developing lung cancer. This work has also added to the understanding of radon remediation techniques in Ireland, particularly for houses built on karst limestone.
Źródło:
Nukleonika; 2016, 61, 3; 327-332
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 102

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