408 research outputs found
"Re-creating" Tadeusz Konwicki’s fiction : "Little apocalypse" and Yurii Andrukhovych’s "Moscoviad"a
No full textOn the basis of a comparative analysis of the worlds presented in Moscoviada by Yurii Andrukhovych and in the Little Apocalypse by Tadeusz Konwicki the article demonstrates the meaning of "metaphorical translation". Using the category proposed by Joseph Brodsky, the author of the article shows how similar characters, who search for their identities, are presented in both books
Growth of nanoparticles in liquid medium using magnetron sputtering technique
No full textTitle: Growth of nanoparticles in liquid medium using magnetron sputtering technique Author: Josef Kučera Department: Department of Surface and Plasma Science Supervisor: Mgr. Yurii Yakovlev, Ph.D., Department of Surface and Plasma Science Abstract: This thesis investigates the preparation of platinum and platinum-ruthenium alloy nanoparticles using magnetron sputtering method on a liquid substrate. Polypropylene glycol with three different molecular weights of 425, 1000, and 4000 was chosen as the liquid substrate. The influence of the different viscosities of these substrates on the size and morphology of the nanoparticles produced in the magnetron was investigated. Dynamic light scattering and transmission electron microscopy methods were used to determine the size of the nanoparticles. Furthermore, the catalytic activity of the produced nanoparticles in an alkaline environment was investigated using the rotating disk electrode technique. Keywords: Nanoparticles, Magnetron Sputtering, Polypropylene glycol, Hydrogen Fuel Cells, Water Electrolyzers, Hydrogen oxidation/reduction reactions
George Yurii Shevelov as a master of academic writing
No full textУкраїнськомовні лінгвістичні праці Юрія Шевельова свідчать про нього як про яскраву авторську індивідуальність. У статті проаналізовано стильові та художні засоби, якими він послуговується, щоб дієвіше впливати на читачів. Зроблено висновок про актуальність його мовної практики для вдосконалення й уточнення сучасних норм українського наукового стилю.Ukrainian linguistic papers by George Yurii Shevelov are evidence of his outstanding author individuality. The article deals with analysis of some stylistic and expressive means, which he uses for more effective influence upon his readers. The conclusion of the study reveals that his language practice is topical for development and improvement of modern standards of Ukrainian academic discourse
George Yurii Shevelov as a master of academic writing
No full textУкраїнськомовні лінгвістичні праці Юрія Шевельова свідчать про нього як про яскраву авторську індивідуальність. У статті проаналізовано стильові та художні засоби, якими він послуговується, щоб дієвіше впливати на читачів. Зроблено висновок про актуальність його мовної практики для вдосконалення й уточнення сучасних норм українського наукового стилю.Ukrainian linguistic papers by George Yurii Shevelov are evidence of his outstanding author individuality. The article deals with analysis of some stylistic and expressive means, which he uses for more effective influence upon his readers. The conclusion of the study reveals that his language practice is topical for development and improvement of modern standards of Ukrainian academic discourse
Growth of nanoparticles in liquid medium using magnetron sputtering technique
No full textNázev práce: Růst nanočástic v kapalném prostředí technikou magnetronového naprašování Autor: Josef Kučera Katedra / Ústav: Katedra fyziky povrchů a plazmatu Vedoucí bakalářské práce: Mgr. Yurii Yakovlev, Ph.D., Katedra fyziky povrchů a plazmatu Abstrakt: Tato práce zkoumá přípravu nanočástic platiny a platino-rutheniové slitiny pomocí metody magnetronového naprašování na kapalný substrát. Jako použitý kapalný substrát byl zvolen polypropylenglykol se třemi různými molekulárními hmotnostmi 425, 1000 a 4000. U těchto substrátů bylo prozkoumáno, jak jejich rozdílná viskosita ovlivňuje velikost a morfologii nanočástic připravených v magnetronu. Pro určení velikosti nanočástic byly využity metody dynamického rozptylu světla a transmisní elektronové mikroskopie. Dále byla prozkoumána katalytická aktivita vytvořených nanočástic v alkalickém prostředí pomocí techniky rotační diskové elektrody. Klíčová slova: Nanočástice, magnetronové naprašování, polypropylenglykol, vodíkové palivové články, elektrolyzéry vody, vodíkové redoxní reakce.Title: Growth of nanoparticles in liquid medium using magnetron sputtering technique Author: Josef Kučera Department: Department of Surface and Plasma Science Supervisor: Mgr. Yurii Yakovlev, Ph.D., Department of Surface and Plasma Science Abstract: This thesis investigates the preparation of platinum and platinum-ruthenium alloy nanoparticles using magnetron sputtering method on a liquid substrate. Polypropylene glycol with three different molecular weights of 425, 1000, and 4000 was chosen as the liquid substrate. The influence of the different viscosities of these substrates on the size and morphology of the nanoparticles produced in the magnetron was investigated. Dynamic light scattering and transmission electron microscopy methods were used to determine the size of the nanoparticles. Furthermore, the catalytic activity of the produced nanoparticles in an alkaline environment was investigated using the rotating disk electrode technique. Keywords: Nanoparticles, Magnetron Sputtering, Polypropylene glycol, Hydrogen Fuel Cells, Water Electrolyzers, Hydrogen oxidation/reduction reactions.Department of Surface and Plasma ScienceKatedra fyziky povrchů a plazmatuMatematicko-fyzikální fakultaFaculty of Mathematics and Physic
Optimalizace svazků palivových článků pomocí ultrazvukového zvlhčovače.
No full textTitle: Optimization of the Performance of Fuel Cell Stacks Using an Ultrasonic Humidi- fier. Author: Martin Vaněk Department: Department of Surface and Plasma Science Supervisor: Mgr. Yurii Yakovlev, Ph.D., Department of Surface and Plasma Science Abstract: This work is concerned with the optimization of the performance of PEM hydrogen fuel cell stacks, a technology that opens up new possibilities for clean energy storage and restoration. We have hand-built a PEMFC open-cathode stack of 20 cells and measured its basic characteristics such as the j-V and j-P curves as well as the dependency of the temperature of the stack on power produced by the stack for constant power of the cooling fans. We have implemented and tested the performance of a new method for water and thermal management - the humidification of air via the use of an ultrasonic water fog generator. Several tests - measuring cooling efficiency, voltage variations between different cells, and j-V and j-P curves - were performed under different temperatures and with or without humidification. Keywords: fuel cell, self humidification, open cathode, performance 1Název práce: Optimalizace svazků palivových článků pomocí ultrazvukového zvlhčovače. Autor: Martin Vaněk Katedra: Katedra fyziky povrchů a plazmatu Vedoucí bakalářské práce: Mgr. Yurii Yakovlev, Ph.D., Katedra fyziky povrchů a plaz- matu Abstrakt: Tato práce se zabývá optimalizací výkonu svazků PEM palivových článků, technologie, která otevírá nové možnosti pro uskladnění a zpětnou výrobu elektrické energie. Sestavili jsme dvaceticelový sériový svazek PEM vodíkových palivových článků s otevřenou katodou a změřili jeho základní charakteristiky, jako jsou j-V a j-P křivky a také závislost teploty článku na výkonu, který produkuje za konstantního výkonu chladících větráků. Implementovali a otestovali jsme novou metodu pro správu vody a teploty článku - zvlhčování příchozího vzduchu pomocí ultrazvukového generátoru mlhy - a její vliv na výkon svazku. Provedli jsme několik testů - měření efektivity chlazení, variací v napětích na jednotlivých celách a j-V a j-V křivky - a to za různých podmínek, konkrétně při různých teplotách a se zvlhčováním či bez něj. Klíčová slova: palivový článek, samozvlhčování, otevřená katoda, výkon 1Department of Surface and Plasma ScienceKatedra fyziky povrchů a plazmatuMatematicko-fyzikální fakultaFaculty of Mathematics and Physic
Ukrainian Children’s Folk Clothing in the Artistic and Ethnographic Heritage of Yurii Pavlovych
No full textУ розвідці розглядається питання дитячого народного вбрання українців у доробку видатного українського етнолога Юрія Павловича (1872–1947). Його багата спадщина, що налічує тисячі замальовок українського народного побуту, вбрання, житла та краєвидів, досліджена й представлена у праці «Україна в типажах народних, краєвидах і архітектурі: художньо-етнографічна спадщина Юрія Павловича», що була видана в Інституті мистецтвознавства, фольклористики та етнології ім. М. Т. Рильського АН України (ІМФЕ ім. М. Т. Рильського) у 2010 році. Упродовж 1921–1934 років Ю. Павлович був постійним позаштатним співробітником Кабінету антропології та етнології ім. Хв. Вовка, збагачуючи напрацювання цієї установи докладним ілюстративним матеріалом. Частина малюнків і праць Ю. Павловича висвітлює питання дитячої одягової культури. Ці матеріали є надзвичайно цінними для вивчення дитячої субкультури, особливостей дитячого вбрання, його форм і специфіки. Прикметним є оригінальний погляд автора ілюстрацій, що фіксував малопомітні та нетипові деталі дитячого повсякдення. Для дослідження було залучено малюнки та рукописи Ю. Павловича з Архівних наукових фондів, рукописів та фонозаписів ІМФЕ ім. М. Т. Рильського (фонди 1 та 39). На основі виявлених замальовок здійснено спробу проаналізувати характерні риси та особливості саме дитячого вбрання, їх інформативне значення для вивчення дитячого народного одягу українців першої половини ХХ ст. Малюнки й матеріали відображають різноманітні аспекти дитячої одягової культури, її варіативність, усталені норми і трансформації як у традиційній, так і міській культурі, а саме в Києві. У виявлених замальовках є змога побачити кольори костюма, естетичний смак, традиції та тенденції у створенні одягу. Зафіксовані Ю. Павловичем типажі, елементи костюма й зовнішній вигляд виразно репрезентують локальну специфіку дитячого вбрання. Унікальні матеріали є цінним джерелом для вивчення народного одягу, а також питань щодо ролі дитини та дитинства в українській культурі.The article examines the issue of children’s folk clothing of Ukrainians in the work of the outstanding Ukrainian ethnologist Yurii Pavlovych (1872–1947). His rich heritage includes thousands of sketches of Ukrainian folk life, clothing, housing, and landscapes, are studied and presented in the work «Ukraine in Folk Types, Landscapes, and Architecture: Artistic and Ethnographic Heritage of Yurii Pavlovych» published by the M.T. Rylskyi Institute of Art Studies, Folkloristics, and Ethnology in 2010. From 1921 to 1934, Yurii Pavlovych worked as a permanent freelance employee of the Cabinet of Anthropology and Ethnology named after Khvedir Vovk, enriching the work of this institution with detailed illustrative material. Some of Yurii Pavlovych’s drawings and works highlight the issues of children’s clothing culture. These materials are extremely valuable for studying the children’s subculture, features of children’s clothing, its forms, and specifics. The original point of view of the author of the illustrations, who fixed the inconspicuous and atypical details of children’s everyday lives, is noteworthy. During the preparation of the research, drawings and manuscripts of Yurii Pavlovych involved from the Archival Scientific Funds of Manuscripts and Audio Recordings of the Maksym Rylskyi Institute of Art Studies, Folkloristics and Ethnology of the National Academy of Sciences of Ukraine (funds 1 and 39). Based on the discovered sketches, an attempt was made to analyse the characteristic features and peculiarities of children’s clothing, their informative value for the study of children’s folk clothing of Ukrainians in the first half of the XX century. Drawings and materials reflect various aspects of children’s clothing culture, its variability, established norms, and transformations in both traditional and urban culture, namely in Kyiv. In the discovered sketches, it is possible to see the colours of the costume, aesthetic taste, traditions, and trends in clothing creation. The types, costume elements, and appearance recorded by Yurii Pavlovych clearly represent the local specificity of children’s clothing. The unique materials are a valuable source for the study of folk dress, as well as questions about the role of the child and childhood in Ukrainian culture. Some of Yurii Pavlovych’s drawings are being published for the first time
Optimization of the performance of fuel cell stacks using an ultrasonic humidifier.
No full textTitle: Optimization of the Performance of Fuel Cell Stacks Using an Ultrasonic Humidi- fier. Author: Martin Vaněk Department: Department of Surface and Plasma Science Supervisor: Mgr. Yurii Yakovlev, Ph.D., Department of Surface and Plasma Science Abstract: This work is concerned with the optimization of the performance of PEM hydrogen fuel cell stacks, a technology that opens up new possibilities for clean energy storage and restoration. We have hand-built a PEMFC open-cathode stack of 20 cells and measured its basic characteristics such as the j-V and j-P curves as well as the dependency of the temperature of the stack on power produced by the stack for constant power of the cooling fans. We have implemented and tested the performance of a new method for water and thermal management - the humidification of air via the use of an ultrasonic water fog generator. Several tests - measuring cooling efficiency, voltage variations between different cells, and j-V and j-P curves - were performed under different temperatures and with or without humidification. Keywords: fuel cell, self humidification, open cathode, performance
Language Situation In Lviv Based On The Literary Texts By Yurii Vynnychuk
No full textУ статті розглянуто мовну ситуацію Львова у ХХ столітті на матеріалі художніх текстів. Джерельною базою дослідження стали романи "Танґо смерті" (2013) і "Цензор снів" (2016) Ю. Винничука. У запропонованому матеріалі представлено мовне
різноманіття Львова в міжвоєнний період, проаналізовано ті зміни, які відбулися у просторі міста за радянської доби, вивчено
вплив більшовицької політики на внутрішню структуру мовлення львів’ян і лінгвістичний ландшафт.In the article, the linguistic situation of Lviv in the twentieth century has been explored. The "Tango of Death" (Ukrainian: "Tanho
smerti" (2013) and "Censor of Dreams" (Ukrainian: "Tsensor sniv") (2016) by Yurii Vynnychuk were chosen for analysis. These novels
depict a special Lviv type, who speaks colourful Ukrainian “Lviv” language and who is ready to fight for the city and for his presence in it.
Since Lviv had been chosen as the place of action, ethnic and language situation in the city was described. The study showed that
Ukrainian, Polish, German and Jewish languages had been utilized in the social and cultural space of inter-war Lviv. Moreover, Yurii
Vynnychuk described his characters as those people whose level of language stability was high. For them Ukrainian language was not only
as a means of communication but also as a tool of resistance.
On the other hand, language situation and changes that took place in the city’s space during the Soviet Union period were depicted in
the aforementioned texts. Furthermore, the author examines the influence of Bolshevik policy on the internal structure of Lviv koine and
linguistic landscape.
Thus, our research explores that in the novels by Yurii Vynnychuk space of Lviv as well as mentality, historical collective and individual
memory, signs, symbols and language situation have been changing during the XXth century
Influence Specificities of the Type of Attitude towards a Disease on Physical Therapy Satisfaction Among the Orthopedic Profile Patients and the Possibilities of Attitude Improvement
No full textInfluence Specificities of the Type of Attitude towards a Disease on Physical Therapy Satisfaction Among the Orthopedic Profile Patients and the Possibilities of Attitude Improvement / Sergii Fedorenko, Volodymyr Vitomskyi, Olena Lazarieva, Vitaliy Kashuba, Olena Andrieieva, Maryna Vitomska, Potop Vladimir, Lytvynenko Yurii // Journal of Physical Education and Sport. – 2020. - Vol. 20(2). – Art. 128. - P. 896-904.Purpose:
To determine the level of physical therapy satisfaction among outpatients with orthopedic profile disorders,
based on the type of attitude to the disease, and the possibilities of its improvement.
Material: The study involved 113 patients who completed a standard course of physical therapy during 2013–
2015, and 135 patientswho completed a course of physical therapy during 2016–2018 after physical therapy
system modification. The level of patient’sphysical therapy satisfaction was measuredby means of a Physical
Therapy Patient Satisfaction Questionnaire (PTPSQ). Patients were grouped by the type of attitude to the disease
(psychotypes). The course of physical therapy comprised 12–15 classes.
Results: The comparison of the results indicateda higher level ofphysical therapy satisfaction in almost half of
the questionnaire domains in groups of the patients with rational psychotypes. Psychotypes influenced in
particular the results ofthe "treatment", "privacy", "scheduling", "wait time", "overall satisfaction"domains. The
largest difference was observed in the"treatment"domain The overall satisfaction score also confirmed a higher
level of outpatient physical therapy satisfaction in groups of the patients with a rational attitude to the disease.
Comparingscores of physical therapy satisfaction in the groups with similar psychotypesbut different physical
therapy programsconfirmed the advantages of a modified system of physical therapy and implemented measures
in several questionnaire domains.In particular, when comparing 2013–2015 patients and 2016–2018 patients,
both with rational psychotypes, we observed significant advantages of 2016–2018 patients in the "treatment",
"overall satisfaction"domains and overall PTPSQscore. Similar comparison of the patients with irrational
psychotypes, in addition to the differences mentioned, showed a statistical difference in the "privacy"domain as
well. At the same time, when comparing the results of 2016–2018 patients with irrational psychotypesand 2013–
2015 patients with rational psychotypes, we observed the advantages of the first ones in two domains
("treatment" and "privacy"). This confirms better performance of the means of a modified program and the
measures of managing the system and physical therapy process itself at the outpatient level.
Conclusions: The results of the study confirm the influence of the specificities of the attitude to the disease on
physical therapy satisfaction among orthopedic profile patients at the outpatient level. At the same time,
constructive changes of the physical therapy system, enhancing the role of a physical therapist, and taking into
account patient's characteristics in managing physical therapy process have a positive effect on satisfaction
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