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Tytuł:
Numerical simulations of temperature and velocity fields in the storage tank with the three-coil heat exchanger
Autorzy:
Smusz, Robert
Wilk, Joanna
Bałon, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/176025.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
stratification device
numerical calculations
temperature stratification
coil heat exchanger
Opis:
This article presents the results of the numerical investigation of the thermal stratification in the hot water storage tank. The exchanger consists of three tube coils that are immersed in the storage tank of hot water. Two coils—lower and upper—are designed to warm the water in the tank using the water as a heating medium. Another coil—uses the refrigerant for the waste heat transfer. The temperature stratification device is mounted in the thermal storage tank. The device’s task is to improve the thermal stratification level of heated water. The performed numerical simulations allowed us to obtain the temperature and velocity fields in the storage tank under the conditions of the work of coils filled with water. Calculations were made in the case of the use of the stratification device under the operating conditions of the 10.2478/amst-2019-0015upper and lower coils with water.
Źródło:
Advances in Manufacturing Science and Technology; 2020, 44, 3; 74-79
0137-4478
Pojawia się w:
Advances in Manufacturing Science and Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Przemiany struktury społecznej na Ukrainie w okresie niezawisłości
Transformations of Social Structure in Ukraine during the Decade of Independence
Autorzy:
Chmelko, W.
Powiązania:
https://bibliotekanauki.pl/articles/2138562.pdf
Data publikacji:
2004
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
labour
macrostructural changes
stratification
Opis:
The paper traces some macrostructural societal changes in the Ukrainian society during the independence, namely, the change of a societal labour structure, the changes of class, institutional, and stratificational structures, and also the change in proportions of some political orientations' distribution among the population of Ukraine.
Źródło:
Studia Socjologiczne; 2004, 4(175); 11-31
0039-3371
Pojawia się w:
Studia Socjologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Homology of Musical Tastes in Poland
Autorzy:
Domański, Henryk
Przybysz, Dariusz
Wyrzykowska, Katarzyna
Zawadzka, Kinga
Powiązania:
https://bibliotekanauki.pl/articles/2076661.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Musical taste
social stratification
lifestyle
Opis:
The main aim of the analysis is to determine to what extent preference for specific musical genres is related to social position. The study was based on data from a survey conducted in 2019 on a random sample of Poles. The explained phenomena are six genres representing broad spectrum of musical tastes: classical music, jazz, rock, rap, pop, and disco polo. The results of the analysis indicate that the diversity of musical tastes does not come down to one dimension. Family socialization, educational level, and, in part, class position exert the highest impact not only on preferences of classical music but also on liking jazz, rock and disco polo. The class effect appears almost negligent in preference for pop and rap which lead us to general conclusion that cultural stratification does not cover all forms of activity having a selective effect. Musical preferences turn out to be extremely strongly connected with parent’s cultural capital and respondents’ level of education.
Źródło:
Studia Socjologiczne; 2020, 4; 183-211
0039-3371
Pojawia się w:
Studia Socjologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Using the Internet to determine fatal cardiovascular risk in the Polish population
Autorzy:
Trzeciak, Bartosz G.
Jaśkiewicz, Michał
Siebert, Janusz
Powiązania:
https://bibliotekanauki.pl/articles/1954079.pdf
Data publikacji:
2004
Wydawca:
Politechnika Gdańska
Tematy:
cardiovascular disease
internet
risk stratification
Opis:
We present the first program in Poland to determine the cardiovascular disease (CVD) risk of individuals, called Ryzyko. The program is freely available at www.ryzyko.amg.gda.pl. Our program, partially based on the European SCORECARD program, takes into account parameters such as age, sex, systolic blood pressure, total cholesterol concentration and cigarette smoking, and enables internet users to observe themselves to determine the degree of their CVD risk.
Źródło:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2004, 8, 3; 439-440
1428-6394
Pojawia się w:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Atmo Domno - refleksje nad przywództwem i statyfikacją społeczną u Dogonów z Mali
Atmo Domno - Reflection on Leadership and Social Stratification of Dogons from Mali
Autorzy:
Łapott, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/567044.pdf
Data publikacji:
2008
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie. Instytut Nauk Politycznych
Tematy:
Mali
Dogons
Leadership
Social Stratification
Opis:
The Dogons - it is one of the today better known tribes of the West Africa. Getting known their culture has been recently associate only with perfect investigations of French ethnologists concentrated around Marcel Griaule. The author, for the first time, encountered the Dogon Tribe over 30 years ago. The multiple returns (often to the very same places) have made possible to observe their culture within the space of many years. The author has got to know many representatives of this tribe, some of them fleetingly, but with some of them he has been in touch until today. Atmo Domno - an inhabitant of a village called Yougo Na can be rated among the second group. However, Atmo Domno was not an "ordinary" Dogon. By virtue of his birth, he belongs to a group of Dogons highly positioned within the social hierarchy, who decide about not only the village Yougo Na life, but also of whole tribe, as Atmo is a member of a group of so called "Impure". In the Dogon Tribe the "Impure" take care of rituals connected with death, they prepare deceased for the funeral and bury him, they make the offerings, eat sacrificed animals, build solitude huts for women, etc. The status of "Impure" is necessary to run for position of Olubaru - the leader of a secret association Awa. As opposed - the "Pure' innenomo can not do any rituals connected with death, make offerings or even hunt. But, on the other hand, the status of "Pure" in required for being a Hogona. With time, Atmo became a Binukedine (leader) of his clan, but he resigned at the moment of becoming Olubaru in the association Awa in Yougo Na, which means to have one of the highest religious statuses in Dogon Tribe. Olubaru from this village will have an unquestionable influence inter alia on: look and course of the forth- coming holiday of Sigui. Unfortunatel y, Amo had faint chance to live till this next holiday, as it will start around year 2028. Atmo Doumbo died in 2000. During my stay in Yougo Na in 2006, I was shown a several years old boy named Hamidou, in whose body lived a soul of nani Atmo, after his death, and who becomes the next "Impure".
Źródło:
Forum Politologiczne; 2008, 7 - Przywódcy i przywództwo we współczesnej Afryce; 341-352
1734-1698
Pojawia się w:
Forum Politologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Gaokao i procesy stratyfikacji społecznej w Chinach
Gaokao and Processes of Social Stratification in China
Autorzy:
Gromkowska-Melosik, Agnieszka
Powiązania:
https://bibliotekanauki.pl/articles/1070752.pdf
Data publikacji:
2017-06-15
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
gaokao
high-stakes test
stratification
socialization
Opis:
This article concerns „gaokao” Chinese exams. I show how the „high stakes” tests (the essence of these exams) create the winners and losers in the battle for stratification success. They set up, as a one-time „selection act”, the trajectory of a career and the whole future life of young Chinese. At the same time, they are an example of the entanglement of the testing process in politics and of the enormous (and overwhelming) social pressure on young people.
Źródło:
Studia Edukacyjne; 2017, 44; 45-63
1233-6688
Pojawia się w:
Studia Edukacyjne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Edukacja uniwersytecka i procesy stratyfikacji społecznej.
Academic education and the processes of social stratification
Autorzy:
Melosik, Zbyszko
Powiązania:
https://bibliotekanauki.pl/articles/644665.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
education
stratification
social
mobility
equality
egalitarianism
Opis:
In the article author discusses the relationships between education and social stratification. The theories of meritocracy and credentalism are analyzed and a special attention is paid to the opposition between their interpretations of the equality/inequality dilemma. Then the R. Turner’s concepts of social mobility and E. Hopper’s concepts of social creation of aspiration are presented. In the second part of the article the phenomenon of overeducation and diploma in ation is considered as well as a case of higher education in Japan as a factor of social stratification in this country.
Źródło:
Kultura-Społeczeństwo-Edukacja; 2013, 3, 1; 21-46
2300-0422
Pojawia się w:
Kultura-Społeczeństwo-Edukacja
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Valores centrales y sociolingüística en la comunidad de habla de Almería
Core Values and Sociolinguistics in the Almeria Speaking Community
Autorzy:
Marcos, Francisco García
Powiązania:
https://bibliotekanauki.pl/articles/1048235.pdf
Data publikacji:
2019-12-15
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
sociolinguistics
core value
attitudes
sociolinguistics stratification
Opis:
The article applies in the Almeria speaking community the core value sociolinguistic methodology developed by J.J. Smolicz in Australia. The results demonstrate the absolutely nuclear role of language in that community, in all target groups. The case of Almería, very probably, shows a universal pattern of sociolinguistic behaviour. In principle, it confirms the theoretical and methodological hypothesis developed in Australia. They also highlight the relevance of interdisciplinary-based research, from which valuable descriptive results can be obtained for the disciplines involved.
Źródło:
Studia Romanica Posnaniensia; 2019, 46, 4; 125-133
0137-2475
2084-4158
Pojawia się w:
Studia Romanica Posnaniensia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Efficacy of Possum Score in Predicting the Outcome in Patients Undergoing Emergency Laparotomy
Autorzy:
Sreeharsha, Harinatha
Sp, Rai
Sreekar, Harinatha
Reddy, Ravi
Powiązania:
https://bibliotekanauki.pl/articles/1395749.pdf
Data publikacji:
2014-04-01
Wydawca:
Index Copernicus International
Tematy:
POSSUM scoring
emergency laparotomy
risk stratification
Opis:
Monitoring of surgical outcome is increasingly important part of governance of surgical activity. The aim of the study. POSSUM scoring system was applied prospectively to determine how it performed in predicting morbidity and mortality in patients undergoing emergency laparotomy in our hospital, a group known to be at high risk of complications and death. Material and methods. A total of 100 cases of emergency laparotomies were studied in patients admitted in general surgery department during the period of May 2008 to August 2010. The study group consisted of the following cases. Duodenal perforation (37 cases), intestinal obstruction (27 cases), gastric perforation (8 cases), ileal perforation (8 cases), appendicular perforation (7 cases), blunt trauma (4 cases) and others (9 cases). They were scored using POSSUM scoring system. Physiological scoring was done at the time of admission and operative scoring was done intraoperatively. They were followed up for the first 30 day post operative period for any complications and the outcome was noted. The observed morbidity and mortality rates were compared with the POSSUM predicted morbidity and mortality rates. Results. 15 patients died (mortality rate of 15%). The POSSUM predicted mortality was 20 deaths. O:E ratio of 0.71 was obtained. There was no statistically significant difference between the observed and predicted mortality rates (χ2=1.72, p=0.974). 71 patients experienced complications. The POSSUM predicted morbidity was 61 patients. O:E ratio of 1.19 was obtained. There was no statistically significant difference between the observed and predicted morbidity rates (χ2=1.594, p=0.991). Conclusions. POSSUM scoring is an accurate predictor of mortality and morbidity following emergency laparotomy and is a valid means of assessing adequacy of care provided to the patient. POSSUM can be used for surgical audit to assess and improve the quality of surgical care and helps in better outcome to the patient
Źródło:
Polish Journal of Surgery; 2014, 86, 4; 159-165
0032-373X
2299-2847
Pojawia się w:
Polish Journal of Surgery
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Klientelizm jako czynnik wpływający na wzrost rozwarstwienia ekonomicznego w państwach Afryki Subsaharyjskiej
Influence of clientelism on increase of economic stratification of Sub-Saharan countries
Autorzy:
Radłowska, Anna
Powiązania:
https://bibliotekanauki.pl/articles/566776.pdf
Data publikacji:
2011
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie. Instytut Nauk Politycznych
Tematy:
Sub-Saharan Africa
Clientelism
Economic stratification
Opis:
Patron - client relations are one of the most important characteristics of modern political systems of African countries south of Sahara. The main aim of the article is the analysis of the influence of clientelism and clientelist relations on the increase of economic stratification of societies of these countries. The broad study of the notion of clientelism is followed by the attempt to identify the causes of the emergence of clientelist relations, ranging from political and economical to social and cultural factors. Having done that, the author focuses on the consequences of clientelism in regard to the widening economic gap between African citizens.
Źródło:
Forum Politologiczne; 2011, 12 - Problemy bogactwa i biedy we współczesnej Afryce; 491-515
1734-1698
Pojawia się w:
Forum Politologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Otwartość polskiej struktury społecznej: 1982–2016
The Openness of Social Structure in Poland: 1982–2016
Autorzy:
Domański, Henryk
Mach, Bogdan W.
Przybysz, Dariusz
Powiązania:
https://bibliotekanauki.pl/articles/428087.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
ruchliwość
stratyfikacja
dziedziczenie
mobility
stratification
inheritance
Opis:
Konceptualną ramą badań nad ruchliwością jest teoria modernizacji. Stwierdza się w niej, że wzrost otwartości jest dominującą tendencją, która wynika z postępującej liberalizacji i rozwoju gospodarki rynkowej. Wbrew tym oczekiwaniom bariery ruchliwości okazują się na ogół stabilne. Ustalenia te dotyczyły głównie zachodnich demokracji. Nasza analiza jest kontynuacją tego podejścia w odniesieniu do Polski. Opierając się na danych z lat 1982–2016 wskazujemy, że po pierwsze, dokonuje się systematyczne obniżenie wpływu wykształcenia na pozycję zawodową, co przeciwdziała zwiększaniu się ruchliwości międzypokoleniowej. Po drugie, tendencja ta nie obniżyła jednak tzw. względnych szans ruchliwości, chociaż mogło to być bardziej związane z przekształceniami struktury zawodowej niż ze wzrostem otwartości barier społecznych. Po trzecie, za stabilnym charakterem wzorów ruchliwości przemawia utrzymywanie się nierówności edukacyjnych. Po czwarte, okazuje się, że w odróżnieniu od badań w innych krajach, w przypadku Polski, wyższe wykształcenie nie osłabia, ale raczej wzmacnia znaczenie dziedziczenia pozycji rodziców.
This paper deals with changes in the “openness” of Polish society over a 35-year period, focusing primarily on relative mobility, with some attention to changes in absolute mobility. We disentangle intergenerational occupational association into four interrelated parts: (i) relative mobility defined by the effect of social origin on destination, (ii) the relationship between social origin and education, (iii) the net effect of education on destination, and (iv) the compositional effect of education reflected in the rising share of more educated categories in the social structure. We show that changes in social fluidity were neither systematic nor easily interpretable. While our results reveal a consistently declining association between education and occupational position, unidirectional change could not be identified in the social origin-education link and in relative mobility in terms of the association between origin and destination. The origin-destination association generally increased at higher (rather than lower) educational levels.
Źródło:
Studia Socjologiczne; 2019, 1(232); 25-63
0039-3371
Pojawia się w:
Studia Socjologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Integration in the Educational System in Israel and Its Influenceon Social Stratificationin a Changing World
Integracja w systemie oświaty w Izraelu i jej wpływ na rozwarstwienie społeczne w zmieniającym się świecie
Autorzy:
Franco, Manor Sali
Powiązania:
https://bibliotekanauki.pl/articles/916088.pdf
Data publikacji:
2020-01-19
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
integration
educational
Israel
stratification
economic status
Opis:
Among the phenomena that characterize modern society it is possible to note the appearance of complex political, occupational, and sectorial systems of status and the weakening of the ‘class’ factor in its ideological meaning. The main result of this development was the steadily increasing conflictbetween, on the one hand, the trends of economic development and the new centers of power and, on the other hand, the mobility of new groups. All the groups competed among themselves over the additions of income, accessibility to economic resources, and positions of influencein the government system as well as over the creation of autonomous frameworks. An important part in these sectorial formations is related to the positioning of education in the entire stratifiedsystem. The statement that the extension of education has not resulted in the reduction of social gaps in the professional field,especially between employees, is correct, yet conversely it did drive a process of change in the evaluation of different subjects and a change in the perception of education as a necessary state of specialization. This aspect constitutes an important factor in the processing of the stratifiedmap and in the formation of the class awareness. The education systems, which are the main organizations to inculcate education, can determine who is qualifiedand who is not qualifiedto filldifferent employment roles; they have become the main device for the achievement of social and economic status.
Źródło:
Studia Edukacyjne; 2017, 46; 439-449
1233-6688
Pojawia się w:
Studia Edukacyjne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Spatial and seasonal variability of temperature and salinity in Bransfield Strait and Admiralty Bay, Antarctica
Autorzy:
Rakusa-Suszczewski, Stanisław
Powiązania:
https://bibliotekanauki.pl/articles/2052591.pdf
Data publikacji:
1996
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Antarctica
T/S stratification
annual cycles
Źródło:
Polish Polar Research; 1996, 17, 1-2; 29-42
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rodzina – wspólnota konfliktowych interesów
Family as a Community of Conflicting Interests
Autorzy:
Poleszczuk, Jan
Powiązania:
https://bibliotekanauki.pl/articles/952072.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet w Białymstoku. Wydawnictwo Uniwersytetu w Białymstoku
Tematy:
family
life cycle
social stratification
reproduction
Opis:
The article presents four perspectives on the family. In the intergenerational perspective a family is an institution of biological and cultural reproduction. Family in the perspective of the life cycle is a dynamically changing structure of “problems to solve” associated with life cycle: socialization, mating, parenting and post reproductive phase. Each phase substantially changes the structure of interests, available resources and the nature of social relationships. Family in the system of social stratification is associated with the distribution of scarce resources. The family as a system of social interaction is a complex dynamic unit which stabilizes the basic structure of the moral code (attitudes of loyalty and trust).
Źródło:
Pogranicze. Studia Społeczne; 2014, 24; 13-27
1230-2392
Pojawia się w:
Pogranicze. Studia Społeczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Approximately optimum strata boundaries for two concomitant stratification variables under proportional allocation
Autorzy:
Danish, Faizan
Rizvi, S. E. H.
Powiązania:
https://bibliotekanauki.pl/articles/1917115.pdf
Data publikacji:
2021-12-08
Wydawca:
Główny Urząd Statystyczny
Tematy:
stratification points
proportional allocation
minimal equation
Opis:
The proper choice of strata boundaries is an important factor determining the efficiency of the estimator of the considered characteristics of a population. In this article, the Cum Di(x,z) Rule (i=3,4) for obtaining approximately optimum strata boundaries has been applied, taking into account a single-study variable along with two concomitant variables serving as the basis of the stratification variables. The relative efficiency of the proposed methods has been demonstrated theoretically and empirically by comparing them to a selection of already-existing methods in a simulation study with the use of the proportional allocation method.
Źródło:
Statistics in Transition new series; 2021, 22, 4; 19-40
1234-7655
Pojawia się w:
Statistics in Transition new series
Dostawca treści:
Biblioteka Nauki
Artykuł
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