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Wyświetlanie 1-15 z 561
Tytuł:
O nowych miarach zaawansowania procesu starzenia się ludności
ON NEW MEASURES OF THE POPULATION AGEING PROCESS
Autorzy:
Abramowska-Kmon, Anita
Powiązania:
https://bibliotekanauki.pl/articles/418282.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
population ageing
conventional measures of population ageing
alternative measures of population ageing
Opis:
The main aim of the article was to review measures of the population ageing process. In the first part, traditional (conventional) measures of population ageing are presented (i.e. old-age rate, median age, ageing index, dependency ratios, potential support ratio, parent support ratio). These measures are based on chronological age and give a coherent picture of population ageing. However, they do not take into account changes in life expectancy. In other words, they are based on the assumption that a 65-year-old person in 2000 is considered to be just as old as a 65-year-old person in 1900. But the probability of surviving in these two years is different: the remaining life expectancy at age 65 was much higher in 2000 than in 1900. Therefore, the second part of the article presents the new (alternative) measures of population ageing, which are adjusted to life expectancy. In particular, it describes the following measures: proportion of the population in age groups that have a remaining life expectancy of 15 years or less (Prop. RLE15-), prospective median age, population average remaining years of life, and prospective old-age dependency ratio. In the last section, the results of a comparison between conventional and alternative measures are presented. The new measures indicate a slower pace of population ageing in the future than the traditional ones. Thus, the measures recommended for designing governmental programmes aimed at the elderly are the new measures, which take into account life expectancy.
Źródło:
Studia Demograficzne; 2011, 1(159); 3-22
0039-3134
Pojawia się w:
Studia Demograficzne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The studies on lubricity and contamination analysis of the personal car’s lubricating oil with taking oil ageing into account
Autorzy:
Sikora, G.
Powiązania:
https://bibliotekanauki.pl/articles/247671.pdf
Data publikacji:
2013
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
oil ageing
viscosity characteristics
ageing model
rheology
Opis:
In this paper, the results of researches on lubricity and content analysis of the personal car’s engine oil are presented. The measurements of lubricity are made on the T02-U four-ball tester. The content analysis is made on the Spectroil Q100 spectrometer, which makes it available to measure the amount of 24 chemical elements. Due to this analysis, technical condition of the engine is possible to estimate. Tested oil is Shell Helix AV-L, which was exploited in the personal car, Volkswagen Touran, equipped with the turbo charged diesel engine, with the capacity of 2.0 litres. The samples for oil ageing characteristics were taken from the engine in the intervals approx. 3500 km. This research was performed as a result of the other studies on the dynamic viscosity characteristics. In the viscosity researches for this oil, was shown, that in the first period of the exploitation time, the viscosity decreases significantly. Detailed research on the additives and wear products content, as well as a lubricity characteristic, defines the reason of such a significant decrease of the oil properties. This paper is a part of a wider research on the oil ageing characteristics. It will support development to the new mathematical model of the lubricating oil viscosity changes during the exploitation time of the engine
Źródło:
Journal of KONES; 2013, 20, 3; 375-379
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Studies on dynamic viscosity changes of the engine’s lubrication oil depending on the pressure
Autorzy:
Sikora, G.
Powiązania:
https://bibliotekanauki.pl/articles/950168.pdf
Data publikacji:
2013
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
oil ageing
viscosity characteristics
ageing model
rheology
Opis:
This paper is a part of the wider author’s research on the development of the new mathematical model for description of the viscosity changes of the lubrication oil in the exploitation time. Pressure of the oil is a variable parameter in the combustion engine and depends on many design parameters such as oil pump efficiency, geometry of the channels and lubricated element. It depends also on the exploitation parameters, such as rotational speed of the engine or contamination degree of the oil filter. So big amount of the factors, which have an influence on the pressure, resulted in the decision to examine, how big influence has a pressure in the oil viscosity. For the researches, the oil samples from the different combustion engines, both petrol and diesel, with different capacities, were taken into account. In each case, for the examination were taken samples both for the fresh oil and used oil from the change. Results of this research are shown in the tabular in correlation to the engines specification. In the next researches, after collecting all the oil ageing data, author will examine the pressure distribution in the slide bearing. After that it will be will possible to estimate the importance of the pressure changes for the proper work of the engine.
Źródło:
Journal of KONES; 2013, 20, 4; 405-409
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Przestrzenne zróżnicowanie starzenia się ludności Polski w latach 1995-2035
Polansd’s population ageing by regions, in 1995-2035 years
Autorzy:
Wolańska, Wioletta
Powiązania:
https://bibliotekanauki.pl/articles/904476.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
old-age dependency
ageing index
double ageing
old-age rate
ageing of population
Opis:
The second transition manifesting in the preference of informal relationships, decreased death rate, longer life, increased migration, strive for maximum use of education, income, and increased life standard and quality contribute to the decreased birth rate (below the level ensuring linear replacement of generations) lids to ageing of population. It is a process in which changes occur in population age structure and an increase in the number and proportion of older people (especially people aged over 65) in the general population, as well as a decrease in the number of young people This process leads to outcomes which, apart from demographic implications, are of socioeconomic significance and influence changes in the structure of consumption, income and savings distribution, decrease in labour productivity, changes in household structure, healthcare and social care for the elderly. This is why questions resulting from ageing of the population must be an element of adequate social policy. The aim of the paper is an evaluation of Poland’s population ageing by regions, in 1995-2035 years.
Źródło:
Acta Universitatis Lodziensis. Folia Oeconomica; 2013, 291
0208-6018
2353-7663
Pojawia się w:
Acta Universitatis Lodziensis. Folia Oeconomica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Demographic Changes in Poland – The Regional Dimension
Autorzy:
Richert-Kaźmierska, Anita
Powiązania:
https://bibliotekanauki.pl/articles/517260.pdf
Data publikacji:
2015
Wydawca:
Instytut Badań Gospodarczych
Tematy:
demographic changes
population ageing
regional diversity of ageing
Opis:
The progressive ageing process concerns both Poland and other Member States of the European Union. In recent years, the share of workers of non-mobile and post-productive age in the total population has been rising, and according to forecasts, in 2035 people aged 45 years and over will represent two-thirds of our society. Since the year 2012, announced the Year of Active Ageing and Solidarity between Generations by the European Commission, more and more attention has been paid in the Polish public space to the issues of an ageing society, including its impact on the health of the economy. The article notes that the ageing process does not occur uniformly across all Polish regions, i.e. at the same pace and with the same intensity. The results of studies indicating the regions being most vulnerable to the ageing of the regional community and the negative consequences of this process in the next two decades are presented.
Źródło:
Equilibrium. Quarterly Journal of Economics and Economic Policy; 2015, 10, 1; 113-128
1689-765X
2353-3293
Pojawia się w:
Equilibrium. Quarterly Journal of Economics and Economic Policy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Aging in Poland at the Dawn of the 21st Century
Autorzy:
Mucha, Janusz
Krzyżowski, Łukasz
Powiązania:
https://bibliotekanauki.pl/articles/1929629.pdf
Data publikacji:
2010-06-23
Wydawca:
Polskie Towarzystwo Socjologiczne
Tematy:
ageing in the lifecourse
anthropology of ageing
ageing and social panics
retirement strategies
intergenerational transfers
Opis:
The aim of this article is to present some aspects (both individual and collective) of the present and future situation of the elderly in the Western world, with particular stress on Poland. The authors examine a few contexts of aging as a stage of human life. Some aspects of the processes discussed here are relatively common whereas others have only gained importance in recent decades. This paper is composed of two parts. The first one, using socio-cultural anthropological, as well as historical data, describes various significant contexts of the present and approaching processes, focusing on the continued and changing perceptions of old age. The second part, based on the quantitative data delivered by statistical services and pooling centres, shows the most likely positions of various groups of the elderly in the Polish society in the perspective within the coming 25 years.
Źródło:
Polish Sociological Review; 2010, 170, 2; 247-260
1231-1413
2657-4276
Pojawia się w:
Polish Sociological Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
WHO WANTS TO WORK LONGER?
Autorzy:
Strasburger, Aleksander
Zajkowska, Olga
Powiązania:
https://bibliotekanauki.pl/articles/453299.pdf
Data publikacji:
2013
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Katedra Ekonometrii i Statystyki
Tematy:
retirement decisions
ageing
Opis:
The observed collapse of demographic pyramid increases the tension on the social security systems, especially pensions. It implies a requirement to extend the retirement age. On the basis of Eurobarometer 65.1 we calculate difference between expected and preferred retirement age in Poland. Then we show the determinants of individual differences. Particular attention is paid to the problem of non-random missing observations.
Źródło:
Metody Ilościowe w Badaniach Ekonomicznych; 2013, 14, 2; 220-228
2082-792X
Pojawia się w:
Metody Ilościowe w Badaniach Ekonomicznych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Problems of varistor quality assessment during exploitation
Autorzy:
Smulko, J.
Olesz, M.
Hasse, L.
Kaczmarek, L.
Lentka, G.
Powiązania:
https://bibliotekanauki.pl/articles/220627.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
varistors
quality
ageing
Opis:
Varistors are commonly used elements which protect power supply networks against high-voltage surges or lightning. Therefore, quality and endurance of these elements is important to avoid losses when an expensive laboratory equipment would not be protected from random overvoltages. Additionally, excessive leakage currents generate serious costs due to high energy consumption. The paper presents shortly properties of varistors that comprized different ZnO grain types and can have various quality which changes continuously during exploitation (due to exposition to overheating and overvoltage pulses). Therefore, it is important to monitor varistors during their ageing (causing changes within their microstructures). A few methods of varistor property diagnosis were considered and compared with the methods currently applied in laboratory or industry applications. A new measurement (diagnostic) system that can monitor varistors during ageing and can be widely applied in power networks is presented. The proposed system fulfills requirements of the industrial customers which demand various methods for power line protection. The proposed system can be simply developed into a more advanced wireless diagnostic system of long power supply lines.
Źródło:
Metrology and Measurement Systems; 2012, 19, 2; 395-404
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ageing PSA as a support for effective ageing management
Autorzy:
Berg, H. P.
Volkanovski, A.
Powiązania:
https://bibliotekanauki.pl/articles/2069520.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
ageing
ageing management
probabilistic safety assessment
prioritization
management of activities
Opis:
Because of the growing operational age of nuclear power plants, the ageing management of structures, systems and components used in these plants is gaining an important role. Technical systems are subject to timedependent and operationally caused ageing phenomena with modifications of originally given characteristics and, thus, of relevance in terms of safety. Especially physical ageing is of importance. Therefore, a comprehensive ageing management is required. In the context of an integrated safety management it has to be shown how to integrate the safety related issues of ageing into probabilistic safety assessment (PSA). In particular the question is to be answered whether the effort for the execution of an ageing PSA is justified, in particular if the safety significant effects of ageing can be identified and quantitatively estimated. Method for prioritization of the components in the nuclear power plant considering implication of their ageing on safety of the nuclear power plant is presented. On the basis of an actual report on ageing management in German nuclear power plants and a literature survey, this paper tries to estimate the necessity and value for the introduction of an ageing PSA in Germany.
Źródło:
Journal of Polish Safety and Reliability Association; 2014, 5, 2; 1--10
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Aktywność zawodowa w okresie starości w opiniach przedstawicielek dwóch pokoleń
Autorzy:
Thel, Karolina
Powiązania:
https://bibliotekanauki.pl/articles/2157656.pdf
Data publikacji:
2015
Wydawca:
Instytut Studiów Międzynarodowych i Edukacji Humanum
Tematy:
ageing
ageing society
professional activity
retirement age
generation gap
double bur-
Opis:
Demographic changes seen in Europe represent the challenge for social protection system and for the job market. In most countries of European Union we can see a clear tendency to increase retirement age. In our country breaking the reluctance towards the attempts of increasing retirement age appears to be difficult, and only a small percentage of employees decide to continue their professional career after coming to retirement age. The aim of research was to deepen the diagnosis concerning the phenomenon of low professional activity of women being at retirement age by looking into intergeneration differenc- es. Results shows negative attitude to the idea of professional activity in the old age, which is motivated mainly by health problems, labor market conditions and women’s double burden.
Źródło:
Społeczeństwo i Edukacja. Międzynarodowe Studia Humanistyczne; 2015, 2(17); 67-77
1898-0171
Pojawia się w:
Społeczeństwo i Edukacja. Międzynarodowe Studia Humanistyczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Influence of Age and Type of Force on Muscle Strength Capabilities in Women
Autorzy:
Tokarski, T.
Roman-Liu, D.
Kamińska, J.
Powiązania:
https://bibliotekanauki.pl/articles/90634.pdf
Data publikacji:
2012
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
muscle
strength
ageing
women
Opis:
The aim of this study was to assess handgrip and 5 other types of force in 52 women and to determine if handgrip force reflected general upper limb force capabilities correlated with age. The women were divided into subgroups according to age: 20–25, 45–50 and 55–65 years. Maximum forces of the right upper limb were measured in 6 types of force activities. In most tests the values of force showed statistically significant differences between the 20–25 group and the groups aged 45–50 and 55–64 years. The results did not show any differences related to age or to force activities that involved the small muscles of the forearms and hands. Thus handgrip force cannot always be considered an indicator of total force capabilities.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2012, 18, 1; 47-57
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
FOCUS: Frailty Management Optimisation through EIPAHA Commitments and Utilisation of Stakeholders’ Input – an innovative European Project in elderly care
Autorzy:
Cano, Antonio
Kurpas, Donata
Bujnowska-Fedak, Maria
Santana, Silvina
Holland, Carol
Marcucci, Maura
Gonzales-Segura, Ana
Vollenbroek-Hutten, Miriam
D'Avanzo, Barbara
Nobili, Alessandro
Apostollo, Joao
Bobrowicz-Campos, Elżbieta
Martinez-Arroyo, Ana
Powiązania:
https://bibliotekanauki.pl/articles/552003.pdf
Data publikacji:
2016
Wydawca:
Stowarzyszenie Przyjaciół Medycyny Rodzinnej i Lekarzy Rodzinnych
Tematy:
frailty
stakeholders
healthy ageing.
Źródło:
Family Medicine & Primary Care Review; 2016, 3; 373-376
1734-3402
Pojawia się w:
Family Medicine & Primary Care Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Phenomenon of ageing – a process or a state
Autorzy:
Klusek, Jolanta
Klusek, Justyna
Powiązania:
https://bibliotekanauki.pl/articles/472562.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie
Tematy:
ageing
cell
brain
hormones
Źródło:
Annales Universitatis Paedagogicae Cracoviensis. Studia ad Didacticam Biologiae Pertinentia; 2016, VI; 42-51
2083-7267
2450-3487
Pojawia się w:
Annales Universitatis Paedagogicae Cracoviensis. Studia ad Didacticam Biologiae Pertinentia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
HOW DEMOGRAPHY AFFECTS THE ECONOMY - IMPACT OF POPULATION AGEING ON INFLATION
Autorzy:
Broniatowska, Paulina
Powiązania:
https://bibliotekanauki.pl/articles/453381.pdf
Data publikacji:
2018
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Katedra Ekonometrii i Statystyki
Tematy:
population ageing
inflation
demography
Opis:
The motivation of this paper is to check whether inflation is linked to the population age structure. To check this hypothesis, a panel data model is used. We regress the changes in CPI on a set of macroeconomic variables. The results of the estimations suggest that there may be a relation between demography and low-frequency inflation. A larger old-age dependency ratio is correlated with lower inflation. This may confirm some of the previous empirical findings that ageing is deflationary when related to increased life expectancy.
Źródło:
Metody Ilościowe w Badaniach Ekonomicznych; 2018, 19, 1; 1-11
2082-792X
Pojawia się w:
Metody Ilościowe w Badaniach Ekonomicznych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Proces starzenia się ludności miejskich obszarów funkcjonalnych (MOF) w Polsce w latach 1990–2016
The aging process of the population of Functional Urban Areas (FUA) in Poland in the years 1990–2016
Autorzy:
Wójtowicz, Mirosław
Kurek, Sławomir
Gałka, Jadwiga
Powiązania:
https://bibliotekanauki.pl/articles/1876264.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Opolski
Tematy:
functional urban area
population ageing
ageing index
dynamic ageing index
economic ageing index
miejski obszar funkcjonalny
starzenie się ludności
indeks starości
wskaźnik starzenia demograficznego
wskaźnik starzenia ekonomicznego
Opis:
Proces starzenia się ludności, który nasilił się w Polsce na przełomie XX i XXI w., przebiegał szczególnie intensywnie w miastach. Jego tempo i wielkość uwarunkowane były sytuacją ekonomiczną ośrodków miejskich oraz tym, jak udało im się przejść transformację gospodarczą. Współczesne miasta oraz zachodzące w nich procesy społeczno-demograficzne, coraz silniej wiążą się z sąsiadującymi z nimi obszarami wiejskimi, tworząc miejskie obszary funkcjonalne (MOF). Celem artykułu jest zbadanie tempa oraz przestrzennego zróżnicowania procesu starzenia się ludności w miejskich obszarach funkcjonalnych. W badaniach wzięto do analizy 151 MOF-ów podzielonych na sześć poziomów hierarchicznych. Zaawan-sowanie procesu starzenia się mieszkańców MOF-ów badano w podziale na rdzeń i strefę zewnętrzną. Przeprowadzone badania wskazują, że w analizowanym okresie starzenie ludności MOF-ów przebiegało szybciej, niż pozostałych, peryferyjnych obszarów kraju. Należy jednak podkreślić, że oficjalne dane wykorzystane w badaniach nie uwzględniają nierejestrowanego odpływu migracyjnego z obszarów peryferyjnych, co może wpływać na zaniżenie poziomu starości ich mieszkańców. Na początku lat 90. XX w. proces starzenia się był najbardziej zaawansowany w MOF-ach ulokowanych najwyżej w hierarchii, jednakże z upływem czasu doszło do jego konwergencji. Natomiast w obrębie poszczególnych typów MOF-ów utrzymuje się podział na bardziej zaawansowane w procesie starzenia się rdzenie i „młodsze” strefy zewnętrzne.
The population aging process, which intensified in Poland at the turn of the 20th and the 21st centuries, was particularly intensive in cities. Its pace and size were conditioned by the economic situation of urban centers and how they managed to go through the economic transformation. Contemporary cities, and the socio-demographic processes taking place in them, are increasingly associated with neighbouring rural hinterland, creating functional urban areas (FUA). The aim of the article is to examine the pace and spatial diversity of the aging process in the functional urban areas in Poland. The 151 FUAs divided into six hierarchical levels were studied. The advancement of the aging process of residents of the FUAs has been studied, taking into account their division into the core and the external zone. The study indicates that in the analysed period the aging of the FUA’s population was faster than in the other, peripheral areas of the country. It should be noted, however, that the official data used in this study do not include unregistered migration outflow from peripheral areas, which can affect the level of ageing of their residents. At the beginning of the 1990s, the aging process was the most advanced in the FUAs which were the highest in the hierarchy, however, with the passage of time, its convergence took place. On the other hand, within individual types of FUA’s, the division into more advanced cores and “younger” outer zones is maintained.
Źródło:
Studia Miejskie; 2019, 33; 9-38
2543-5302
2082-4793
Pojawia się w:
Studia Miejskie
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 561

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