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33782. Výbojkově buzený Pr:YAlO3 laser generující záření ve viditelné spektrální oblasti
- Creator:
- Fibrich, Martin, Jelínková, Helena, Šulc, Jan, Novotný, Antonín, Nejezchleb, Karel, and Škoda, Václav
- Format:
- bez média and svazek
- Type:
- model:article and TEXT
- Subject:
- Pr: YalO3 laser, discharge-pumping, colour uV filter, Pr:YAlO3 laser, výbojkové buzení, and barevný UV filtr
- Language:
- Czech
- Description:
- A successful generation of Pr: YalO3 (Pr:YAP) laser visible radiation 747 nm and 662 nm was achieved under room temperature. Discharge-pumped Pr:YAP laser was working in pulse and free-generation regimes. A steady laser action occurs when using a special plane glass colour uV filter placed inside laser cavity. Maximal output pulse energy 102 mJ was generated at the wavelength 747 nm with corresponding pulse duration 92 μs. inserting the diaphragm inside the resonance cavity it was possible to obtain a beam quality described by the parameter M2 ~ 1.2. in the case of 662nm laser emission the corresponding parameters are 6.1 mJ, 47.5 μs a M2 ~ 1,5 (without resonator diaphragm). The shape and width of spectral line are stabilised in both cases for various pumping power. and Byla dosažena úspěšná generace Pr:YAlO3 (Pr:YAP) laserového záření na vlnových délkách 747 nm a 662 nm ve viditelné spektrální oblasti za pokojové teploty. Výbojkově buzený Pr:YAP laser pracoval v pulzním režimu a v režimu volné generace. Trvalé laserové činnosti bylo docíleno pomocí speciálního skleněného barevného rovinného UV filtru umístěného přímo v laserové dutině. Maximální výstupní energie 102 mJ byla generována na vlnové délce 747 nm; odpovídající délka pulzu se pohybovala kolem 92 μs. Umístěním clonky dovnitř rezonátoru bylo možno dosáhnout kvalitu svazku vyjádřenou parametrem M2 ~ 1,2. V případě 662nm laserové emise byly tyto hodnoty 6,1 mJ , 47,5 μs a M2 ~ 1,5 (bez clonky v rezonátoru). Tvar a šířka spektrální čáry vykazovaly v obou případech stabilní chování pro různé úrovně budicí energie.
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
33783. Výbor s přesahy
- Creator:
- Poslední, Petr
- Format:
- Type:
- model:internalpart and TEXT
- Language:
- Czech
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
33784. Vybrané aspekty novely zákona č. 95/2004 Sb. v postgraduálnom vzdelávaní lekárov
- Creator:
- Sumková, Miroslava
- Type:
- article, model:article, and TEXT
- Subject:
- zákon č. 95/2004, postgraduálne vzdelávanie lekárov, novelizácia zákona, Act no. 95/2004, postgraduate education of physicians, and amendment of the law
- Language:
- Czech
- Description:
- Príspevok je z obsahového hľadiska zameraný na čiastočnú analýzu novely zákona č. 95/2004 Sb. v postgraduálnom vzdelávaní lekárov, príspevok obsahuje komentáre autora k vybraným novelizovaným skutočnostiam a zhodnotenie zavedenia novely do praxe v rámci Českej republiky. and The contribution is focused on the partial analysis of the amendment to Act no. 95/2004 Coll., In postgraduate education of physicians, the contribution contains comments of the author on selected updated facts and assessment of the introduction of the amendment into practice within the Czech Republic.
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
33785. Vybrané aspekty serijského indigenního hnutí
- Creator:
- Krejčí, Lukáš and Křížová, Markéta
- Format:
- Type:
- model:internalpart and TEXT
- Language:
- Czech
- Description:
- The contemporary ethnic movement of the Seri has been little pronounced up to now. It is evident that in the community Punta Chueca a fundamental cultural change is taking place. Even though it is a long-term process, only in the 1970's the community had opened up to the surrounding world, in the first place because of the building of better infrastrueture between Punta Chueca and the Mexican village Bahia de Kino. The no madic culture radically changed because of the settled life-style and many aspects of the culture lost its function in the present world. For preservation of the cultural identity it is necessary to substitute such aspects with new ones, or to accentuate the existing aspects. The substitution and advocacy of certain cultural aspects is connected with different reflection of the state of things by different generations. The young are more inclined to accept the new life forms and the future of the ethnic group they see in its drawing nearer to the surrounding Mexican society. They don't want to stay isolated any more and to resign on the possibilities of the modern world. Within this group there are some individuals who feel that for maintaining the peculiarity of the Seri culture it is necessary to turn back to the culture of the forefathers and to develop it. However, in their interpretation these aspects acquire other functional value, because the smooth continuity to the life of the forefathers is missing. The making of new functional forms is apparent also in other areas of life of the Seri youth, in their endeavour to use traditional dress and decoration, their return to the declaration of sacred places etc. In their behavior the young Seri have been influenced by their knowledge of the image of the „traditional Indian“ of Mexicans or turists and they try to fulfill this perception. So, many aspects serve to the young generation to create an all-compassing cathegory of an „Indian without a deep concern for the peculiarities of their own culture. The older generation, on the other hand, tends to preserve the isolated State of the ethnic group and to keep and fortify the ,,traditional" life of the forefathers. Thanks to their dominance of the key offices in the Elder Council because of the age hierarchy the older persons can with more ease make decisions on the cultural life of the community. The future life of the community depends mainly on the attitudes of its pr esent-day young people. and They are at the down of crucial changes and its up to them if they allow the assimilation of their community in the process of its coming closer to the Mexican society, or if they will be able to find such social model that would preserve visible, characteristie cultural aspects. But its also up to the slowly dying-out older generation to know and to have strength to pass the experiences and knowledge to the coming generations.
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
33786. Vybrané astronomické tisky rudolfínské doby
- Creator:
- Alena Hadravová
- Format:
- print, text, and regular print
- Type:
- article, studie, studies, model:article, and TEXT
- Subject:
- Staré tisky, Old prints, II. Habsburský, římskoněmecký císař, Rudolf, 1552-1612, Brahe, Tycho, 1546-1601, Kepler, Johannes, 1571-1630, Galilei, Galileo, 1564-1642, 16.-17. století, prvotisky, staré tisky, astronomie, dějiny astronomie, astronomové, incunabula, old prints, astronomy, history of astronomy, astronomers, history of medieval astronomy, history of early modern astronomy, Cristannus de Prachaticz, Pavel Žídek (Paulerinus), Tycho Brahe, Johannes Kepler, Galileo Galilei, 12, and 094
- Language:
- Czech
- Description:
- The article outlines the book culture of the Rudolphine period on the examples of several works by Tycho Brahe (Instruments of the Renewed Astronomy), Johannes Kepler (Somnium: The Dream, or Posthumous Work on Lunar Astronomy; Conversation with the Starry Messenger) and Galileo Galilei (The Starry Messenger). It is based on both research outcomes that have already been published and those that are being prepared for printing. and Alena Hadravová.
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
33787. Vybrané bariéry investic do lidského kapitálu
- Creator:
- Petr Wawrosz and Herbert Heissler
- Type:
- article, články, journal articles, model:article, and TEXT
- Subject:
- Sociologie, sociologie, sociology, human capital, investments barriers, statistical discrimination, acting -white, 18, and 316
- Language:
- Czech
- Description:
- If investments into human capital (HC) are as convenient as theory says why some people do not invest in the development of their HC and why other people with resources do not stimulate people without HC to invest including lending money for such investments? The paper tries to answer the question by identifying selected barriers causing lenders do not give money (resources) to the investments and potential borrowers are not willing to borrow them. From our point of view statistical discrimination and phenomena described as “acting -white” in the case of Afro -American community belong among the most important barriers, although they are not mentioned so often. The paper deals with both of the barriers and suggests how to solve them., Petr Wawrosz, Herbert Heissler., and Obsahuje seznam literatury
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
33788. Vybrané metody používané k vyhodnocení podpovrchových poškození skleněných materiálů
- Creator:
- Šupík, Jan, Pech, Miroslav, and Schovánek, Petr
- Format:
- bez média and svazek
- Type:
- model:article and TEXT
- Subject:
- subsurface damages, glass materials, measuring techniques, podpovrchová poškození, skleněné materiály, and měřicí techniky
- Language:
- Czech
- Description:
- This paper is focused on methods of subsurface damage analysis (PPP) of flat surfaces of glass optical elements that are created during the manufacturing process, typically in the grinding process. Knowledge of these damages allows an optimization of technological process in order to improve the quality of the surface and thus some properties of the product. Considering optical elements, we are interested mainly in their optical properties (e.g. reflectivity or diffusion properties). PPP analysis can be divided into destructive and non-destructive methods. This paper does not present either all possible experimental details, it is only an overview of the frequently used and specialized literature of mentioned methods. It also attempts to illustrate the breadth of the principles on which these methods are based. and Tento článek se věnuje metodám analýzy podpovrchových poškození (PPP) rovinných povrchů skleněných optických prvků vzniklých při výrobním procesu, typicky při procesu broušení. Znalost těchto poškození umožňuje optimalizaci technologického procesu s cílem zlepšení kvality povrchu a tím i některých vlastností výrobku. U optických prvků se jedná zejména o jejich optické vlastnosti (např. reflektivita nebo difúzní vlastnosti). Analýzu PPP lze rozdělit na metody destruktivní a nedestruktivní. Tento článek nepředstavuje jejich úplný výčet, ani experimentální detaily, je pouze přehledem často používaných a v odborné literatuře zmiňovaných metod. Snaží se také ilustrovat šíři principů, na nichž jsou tato měření založena.
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
33789. Vybrané metody studia hmyzích fosílií v jantaru
- Creator:
- Dammer, Jiří, Sehadová, Hana, Havelka, Antonín, Kolínová, Marcela, and Pflegerová, Jitka
- Type:
- article, články, journal articles, model:article, and TEXT
- Subject:
- Paleontologie, paleozoologie, fosilní hmyz, fossil insects, 7, and 56
- Language:
- Czech
- Description:
- V článku jsou popsány různé moderní techniky, které lze využít pro studium biologických objektů v jantaru. Jde především o digitální fotografii v denním a infračerveném světle, skenování ve stolních skenerech, optickou a elektronovou mikroskopii, konfokální mikroskopii, mikroradiografii a rentgenovou mikrotomografii. Kombinace těchto technik může přispět k hlubšímu poznání fosilních inkluzí v jantaru., This paper describes various modern techniques used to study biological objects in amber. Those techniques include digital photography in daylight and in near-infrared light, scanning in desktop scanners, optical and electron microscopy, confocal microscopy, microradiography and X-ray microtomography. A combination of these techniques could contribute to a deeper understanding of fossil inclusions in amber., and František Weyda ... [et al.].
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
33790. Vybrané osobnostné charakteristiky a zvládanie záťaže ako prediktory životnej spokojnosti seniorov
- Creator:
- Kravcová, Michaela
- Type:
- article, model:article, and TEXT
- Subject:
- extraverzia, neuroticizmus, stratégie zvládania, životná spokojnosť, extraversion, neuroticism, coping strategies, and life satisfaction
- Language:
- Czech
- Description:
- Štúdia sa zaoberá prediktormi životnej spokojnosti u osôb v období ranej staroby. Cieľom predloženej štúdie bolo zistiť ako vybrané osobnostné charakteristiky a zvládacie stratégie predikujú životnú spokojnosť seniorov Výskumnú vzorku tvorilo 130 seniorov, z toho 55 mužov a 75 žien. Na zisťovanie miery životnej spokojnosti bola použitá Škála životnej spokojnosti SWLS, extraverzia a neuroticizmus bol zisťované prostredníctvom osobnostného inventára NEO-FFI a na hodnotenie zvládania záťaže bol použitý dotazník Stratégií zvládania SVF 78. Regresnou analýzou boli potvrdené tieto významné prediktory podieľajúce sa na životnej spokojnosti seniorov: neuroticizmus, ktorý vysvetlil 9 % variancie životnej spokojnosti seniorov a stratégie odklonu (stratégia odklonu a stratégia náhradného uspokojenia), ktoré vysvetlili 13 % variancie celkovej životnej spokojnosti seniorov. and The study deals with the predictors of life satisfaction among people in the early aging. The goal of the presented study was to determine how selected personality characteristics and coping strategies predict life satisfaction of the elders. The research sample consisted of 130 seniors, including 55 men and 75 women. To determine the degree of life satisfaction we used the Life Satisfaction Scale SWLS, extraversion and neuroticism, we investigated by personal inventory NEO-FFI and the Coping Strategies Questionnaire SVF 78 was used on the assessment of coping strategies. Regression analysis confirmed that neuroticism was significant predictor of life satisfaction of the elders which explained 9 % of variance of life satisfaction of the elders and strategies of the diversion (strategy diversion and spare satisfaction
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public