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Tytuł:
Fractional Composition of Organic Matter and Properties of Humic Acids in the Soils of Drained Bogs of the Siedlce Heights in Eastern Poland
Autorzy:
Becher, Marcin
Tołoczko, Wojciech
Godlewska, Agnieszka
Pakuła, Krzysztof
Żukowski, Emil
Powiązania:
https://bibliotekanauki.pl/articles/2086375.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
secondary transformation process
humification
carbon fraction
sequential extraction
Opis:
The studied bogs of the Siedlce Heights in eastern Poland are currently undergoing decession. In the course of pedological studies, a significant modification of the structure of soil profiles caused by the murshing process was found. The total contents of carbon and nitrogen values (TC/TN = 11.1–17.3) obtained in the study, as well as slight acidification (pHKCl 5.42–6.15) indicate the eutrophy of the studied soil environment, high biological activity and a significant degree of organic matter processing as a result of the processes of mineralization and humification. In addition, the upper levels covered by the process of murshing, compared to peat, are characterized by lower carbon content and, most often, similar nitrogen content. In the studied soils, humic substances are mostly represented by the fraction of humic acids. As a consequence, high values of the quotient expressing quantitative relations between soil humus fractions (HAs/FAs) were noted. For all profiles, the highest share of fulvic acids was recorded in turf murshic levels (M1). The occurrence of the most mature humic acids was found in the peat levels not covered by secondary transformation processes after dehydration.
Źródło:
Journal of Ecological Engineering; 2022, 23, 4; 208--222
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Phosphorus Accumulation in the Dehydrated Peat Soils of the Liwiec River Valley
Autorzy:
Becher, Marcin
Pakuła, Krzysztof
Jaremko, Dawid
Powiązania:
https://bibliotekanauki.pl/articles/123721.pdf
Data publikacji:
2020
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
peatland
peat soil
secondary transformation process
phosphorus forms
soil horizon
Opis:
The aim of the research was to complement the knowledge on profile distribution and accumulation of phosphorus forms in the soils changed under the influence of secondary organic matter transformation process in dehydrated peatlands. The soil research was carried out in the upper Liwiec river valley in the middle-east of Poland. In the soil material taken from the moorsh (M1, M2, M3) and peat (O) horizons of the Murshic Histosols, the physical and chemical properties were determined and the soil phosphorus fractions with different activity in the environment by sequential extraction method were separated. The profile distribution of the total phosphorus content (TP) and values of carbon/phosphorus (TC/TP) ratio were characteristic for dehydrated peat soils included in the secondary transformation process (M1>M2>M3>O). This process also increased the contribution of the available phosphorus forms (NH4Cl-P), forms bound on the surface of iron (III) and manganese (IV) oxides and hydroxides (redox-P), as well as mineral (mHCl-P) and organic (oHCl-P) forms separated by 0.5 M HCl. Significant accumulation of the phosphorus compounds in the moorsh horizons of the investigated soils can be considered as a potential threat to the natural environment of the studied area due to the risk of decomposition of the phosphorus compounds when the area will be rehydrated.
Źródło:
Journal of Ecological Engineering; 2020, 21, 5; 213-220
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Batwa – sto lat przemian. Między globalizacją, państwem a turystyką
The Batwa – A Hundred Years of Transformation. Between Globalisation, State and Tourism
Autorzy:
Buchalik, Lucjan
Powiązania:
https://bibliotekanauki.pl/articles/522668.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Warszawski. Katedra Języków i Kultur Afryki. Polskie Towarzystwo Afrykanistyczne
Tematy:
Jan Czekanowski
the Batwa
changes in culture (transformation process)
agriculture
indigenous people
Opis:
The article is a deep reflection on changes taking place in minority cultures, not only in contact with their larger neighbours, but also, and above all, under the influence of globalisation processes and the rapid development of tourism. The research is structured in order to present the Batwa people living in the African Great Lakes region from a broader time perspective. The juxtaposition of two research periods, one from the early 20th century (Jan Czekanowski) and the other from the 21st century (Lucjan Buchalik), made it possible to track the changes in the everyday life of this community. On the one hand, the Batwa are marginalised, and on the other hand, they are being absorbed by the surrounding, more dominant peoples. Studying the transformation process, one can notice that the Batwa accepted many changes resulting from their contacts with the outside world. It was the process of forcible displacement from their historical territories that threatened the existence of this community.
Źródło:
Afryka; 2019, 50; 41-66
1234-0278
Pojawia się w:
Afryka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Migration as a Source of Suffering in the Context of the Biographical Experience of the Process of Transformation in Poland. Case Study of Weronika’s Life History
Autorzy:
Wygnańska, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/623457.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
Case Study
Biographical Analysis
Transformation Process in Poland
Migration
Experience of Suffering
Opis:
The article focuses on the case study of the life history of Weronika, a person biographically experiencing the consequences of the transformation process in Poland. On the one hand, the text concentrates on showing the change in the status of the narrator’s family from a privileged position in the socialist period to the experience of unemployment and poverty after 1989. On the other hand, the text analyzes the necessity of the narrator’s mother’s emigration to Italy in the mid-1990s. Thus, the article focuses on the narrator’s experience in the context of being a migrant woman’s child. This experience is related to the time of socialization and education, which was difficult for the narrator, and the consequence of which is shown in the text in connection to the narrator’s persistence in trajectory. The text also presents the perspective of transnational motherhood within the framework of Polish women’s migrations after 1989. Also, an important perspective adapted in the article is the experience of migration by the narrator, who at the time of the interview has also been living in Italy for 10 years. Permanent emigration of the narrator is associated in her life history with high biographical costs. The article is, therefore, an attempt to present migration as a source of suffering in relation to the context of being a migrant’s child and being a migrant oneself. The analysis of Weronika’s case is also an attempt to show the relationship between the individual experience of the narrator and the mechanisms of collective influence. Thus, the text treats the analyzed life history as one of the biographical accounts reflecting the biographical and social processes assigned to a specific time frame. In this perspective, the text aims to reconstruct the complexity of these processes and to interpret the experienced social reality in an individual biography.
Źródło:
Qualitative Sociology Review; 2019, 15, 4; 112-139
1733-8077
Pojawia się w:
Qualitative Sociology Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Polish economy in 1990–2018: Balance of development in new political conditions
Autorzy:
Parysek, Jerzy J.
Powiązania:
https://bibliotekanauki.pl/articles/1945459.pdf
Data publikacji:
2022-01-20
Wydawca:
Uniwersytet Gdański. Instytut Geografii
Tematy:
economic development
social development
development trajectories
balance of transformation process in Poland
Opis:
Thirty years of Poland’s economic development in new political conditions is a good opportunity to study the course of the economic development process. This article presents the results of research that takes into account macroeconomic indicators that synthesize important development categories. These indicators concern the demographic situation (population, natural increase, economic activity and unemployment rate), economy (GDP, inflation, number of business entities, investment outlays, budget deficit) and standard of living of the population (remuneration, housing situation, cars). In the study, a graphic method of time series analysis was applied, i.e. a connected trajectory, allowing a synthetic assessment of development processes in terms of aspects that express the considered features. Presentation of the research results is preceded by a presentation of the causes of transformation and an indication of development factors and conditions, in particular after 1989. The study is general and synthetic and does not take into account the details that had an impact on the situation described by the size of the indicators taken into account.
Źródło:
Journal of Geography, Politics and Society; 2022, 11, 4; 1-17
2084-0497
2451-2249
Pojawia się w:
Journal of Geography, Politics and Society
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Enterprise service bus architecture for the big data systems
Autorzy:
Orłowski, C.
Szczerbicki, E.
Grabowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/407119.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
enterprise service bus
service oriented architecture
big data system
smart cities
transformation process
conversion process
Opis:
This paper presents the construction of the enterprise service bus architecture in data processing resources for a big data decision-making system for the City Hall in Gdansk. The first part presents the key processes of bus developing: the installation of developing environment, the database connection, the flow mechanism and data presentation. Developing processes were supported by models: KPI (Key Processes Identifier) and SOP (Simple Operating Procedures) (also connected to the bus). The summary indicates the problems of the bus construction, especially processes of routing, conversion, and handling events.
Źródło:
Management and Production Engineering Review; 2014, 5, 1; 28-31
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dwupowierzchniowy model wzmocnienia plastycznego przy przemianie fazowej i deformacji cyklicznej
Two surface model of plastic hardening for martensitic transformation cyclic deformation
Autorzy:
Mróz, Z.
Ziętek, G.
Powiązania:
https://bibliotekanauki.pl/articles/386635.pdf
Data publikacji:
2007
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
materiał sprężysto-plastyczny
odkształcenie plastyczne
faza martenzytyczna
elasto-plastic materials
martensitic transformation process
Opis:
W pracy przedstawiono model ciała sprężysto-plastycznego uwzględniający powstawanie fazy martenzytycznej indukowane; odkształceniem plastycznym. Równania ewolucji dla współrzędnych środka powierzchni plastyczności są funkcjami parametrów wyznaczonych przez powierzchnię graniczną. Zmodyfikowana postać równania opisującego powierzchnię plastyczności pozwala na uzależnienie parametrów wzmocnienia od udziału martenzytu. Zaproponowany model przeanalizowano na przykładzie jednoosiowego cyklicznego ściskania i rozciągania.
The present work provides the formulation of constitutive model for elasto-plastic material with account for mixed (isotropic-kinematic) hardening dependent on the martensitic transformation process induced by plastic straining. The yield surfaces, limit back stress surface and transformation surface are introduced and the back stress evolution affected by martensitic volume fraction is proposed. The model is applied to simulate uniaxial cyclic deformation and the material parameters are identified from the available experimental data. The model predictions are confronted with experimental cyclic stress-strain curve generated for the austenitic steel.
Źródło:
Acta Mechanica et Automatica; 2007, 1, 1; 67-70
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
“Arab Spring” in the Context of Contemporary Transformation Process in the Near and Middle East
«АРАБСЬКА ВЕСНА» У КОНТЕКСТІ СУЧАСНОГО ТРАНСФОРМАЦІЙНОГО ПРОЦЕСУ НА БЛИЗЬКОМУ І СЕРЕДНЬОМУ СХОДІ
Autorzy:
Shved, V.
Powiązania:
https://bibliotekanauki.pl/articles/894435.pdf
Data publikacji:
2016
Wydawca:
National Academy of Sciences of Ukraine. Institute of World History
Tematy:
“Arab Spring”, transformation process, political Islam, Arab World
«арабська весна», трансформаційний процес, політичний іслам, арабський світ
Opis:
У статті аналізується роль «арабської весни» як початку довготривалого процесу глибоких трансформаційних змін в арабському світі. Зокрема, увагу приділено осмисленню особливостей сучасного етапу зазначеного процесу у так званий «постреволюційний» період. Досліджуються такі актуальні проблеми, як внутрішні та зовнішні чинники поразки першої хвилі сучасних арабських революцій, зміст та спрямованість нинішнього переформатування арабського світу, наслідки різкого загострення сунітсько-шиїтського протистояння. Розглядаються причини та цілі прямого військового втручання Росії у сирійський конфлікт. Проаналізовано значення туніської трансформаційної моделі розвитку для перспектив демократичного оновлення арабського суспільства та визначено причини, через які після «арабської весни» Туніс фактично став єдиною арабською країною, де було продовжено та поглиблено демократичний процес.
The article analyses the role of the “Arab Spring” as the beginning of long time process of deep transformation changes in the Arab World. Special attention is paid to understanding of particularities of contemporary stage of the above-mentioned post-revolutionary period. The article also studies such actual problems as internal and external aspects of defeat of the first wave of the contemporary Arab revolutions, content and direction of contemporary change of format of the Arab Spring and results of acute sharpening of the Sunni-Shiite confrontation. It also studies reasons and purposes of the direct Russian intervention in the Syrian conflict. The analysis values of the Tunisian development model transformation prospects for democratic renewal of Arab society and identified the reasons why after the "Arab Spring" Tunisia became virtually the only Arab country which has been extended and deepened the democratic process.
Źródło:
Проблеми всесвітньої історії; 2016, 1; 109-122
2707-6776
Pojawia się w:
Проблеми всесвітньої історії
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Winners and Losers of the Process of Transformation as an Etic Category versus Emic Biographical Perspective
Autorzy:
Kaźmierska, Kaja
Powiązania:
https://bibliotekanauki.pl/articles/623413.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
Biographical Analysis
Emic
Etic
Process of Transformation
Opis:
One of the common and schematic descriptions in the perspective of the 1989 breakthrough are two ways of dealing with it by people who are respectively called winners or losers of transformation. These stereotypical characteristics are not only the tool to draw the general image of effects of the transition, but are also based on the specific way of interpretation deeply rooted, for example, in neoliberal thinking. Yet, from the perspective of an individual-so-called Schütz’s man on the street-the categorization of winners and losers not only simplifies the description of social reality, but also it cannot be easily biographically justified because the etic categorization is not always relevant to the emic perspective. In other words, the life history of an individual, showing the main phases and events of biography, and life story-the way that one interprets his/her biographical experiences- may not correspond to each other. The analysis of these two aspects of biography (what is lived through and how it is interpreted) shows how people have dealt with the process of transformation. In the paper, it is presented on the basis of one case study.
Źródło:
Qualitative Sociology Review; 2019, 15, 4; 238-266
1733-8077
Pojawia się w:
Qualitative Sociology Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The identification and estimation of local conditions of agrotourism development in rural areas
Autorzy:
Palka, E.
Powiązania:
https://bibliotekanauki.pl/articles/61610.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
identification
estimation
local condition
rural tourism
development
rural area
tourist function
geographic environment
Swietokrzyskie voivodship
Polska
transformation process
Opis:
An analysis, identification and assessment of the local conditions of agrotourism development in rural areas is performed in the paper. The important role of tourism both in the state policy and regional policy have been shown in the state and regional documents. In most of European countries off-farming activities become more and more important as a source of income for farmers' families. In some regions agrotourism can be regarded as a significant non-agricultural activity. In Poland the data of Agricultural Census indicates that the number of farms with off-farms activity increased. The agrotourist farms are still more and more important in many parts of Poland, especially in the wi tokrzyskie voivodship. The local and voivodship authorities are obliged to improve and invest in agrotourist base, also using the European Union funds. This study is the analysis of natural and social-economic elements of geographical environment in the wi tokrzyskie voivodship. The article is a trial of showing how rural areas are diversified for agrotourism.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2009, 07
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 47

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