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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
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