National Repository of Grey Literature 4 records found  Search took 0.01 seconds. 
Possibilities of using the Wim Hof ​​method as a regenerative procedure and its comparison with the regenerative cooling procedure
Tureček, Jan ; Majorová, Simona (advisor) ; Nováková, Pavlína (referee)
Title: Possibilities of using the Wim Hof method as a regenerative procedure and its comparison with the regenerative cooling procedure Department: Department of Health Physical Education and Sport Medicine Supervisor: MUDr. Simona Majorová Objectives: The main goal of the thesis was to find out whether the Wim Hof method can be effectively used as a regenerative procedure between the training units, second goal was to judge on which components of after-load states the procedure has the biggest influence on. The other goals were to briefly summarize current knowledge about the basics of sports training, regeneration methods and methods of determining the effectiveness of regeneration procedures and to compare our results with knowledge in the professional literature. Methods: As one of the methods, we used heart rate monitoring during the training cycle. The second monitored parameter was the values of feeling states, which were recorded using scales modeled on the Borg scales of perceived intensity and pain. The parameters of the resulting sensation score are sleep quality, mental state, fatigue and leg pain. 10 active sportsmen aged 21-26 took part in the research. Results: The results of our research suggest that the Wim Hof method could be used as a regeneration procedure, especially in...
Degradation of GaAs Solar Cells
Papež, Nikola ; Pinčík,, Emil (referee) ; Lazar, Josef (referee) ; Sobola, Dinara (advisor)
Solární články na bázi arsenidu gallia patří mezi nejvýkonější typ dostupných solárních článků vůbec. Jejich výhodou je výborná odolnost vůči tepelnému a ionizujícímu záření, a proto se využívají zejména v náročných podmínkách. Tato disertační práce popisuje stav GaAs fotovoltaických článku vystavených vůči tepelnému namáhání, vysokému ochlazování, gama záření a ozáření širokospektrálním laserem. Vzorky byly zkoumány před, po a i během těchto procesů pomocí několika analytických a charakterizačních metod. Měření bylo zaměřeno na charakterizaci povrchu, optických a elektrických vlastností. Byly objeveny limity a nové chování tohoto typu článků, které jsou ovlivněny i tenkými ochrannými a antireflexními vrstvami.
Effect of water temperature on the recovery during repeated isometric performance
Škoda, Jan ; Baláš, Jiří (advisor) ; Hojka, Vladimír (referee)
Title: The influence of water temperature on the rate of recovery during repeated isometric exercise. Objectives: The aim of this thesis is to assess the effect of water temperature on immersion of forearm to water for the sake of speeding up the recovery process during repeated isometric performance. Methods: Five male subjects from the students of FTVS (average age 22 ± 3 years) underwent three meaurements with repeated exercise to exhaustion with various kinds of rest periods. The exercise was represented by three series of intermittent isometric contraction of the finger flexors until exhaustion with 20 minutes rest period. The rest period was represented by the immersion of forearm into cold water (8řC; 15řC;) as well as by a passive rest. Sturation O2 of saturated hemoglobin (SmO2) was monitored by the spectrometer throughout the entire measurements at flexor digitorum profundus. Results: The reliability of measurements was rel=0,79 with standard deviation SD= 27,3s and standard measurement error SEM= 12,5s. The least effective method of recovery was passive recovery. Decrease in the time between the first, second and third contraction respectively was 35s, 34s respectively. Immersion in 15 ř C water under recovery phase led to improvement in the second contraction by 43s and by 27s in the...
Assesment of air concentration in water depending on pressure
Uttendorfský, Petr ; Habán, Vladimír (referee) ; Pochylý, František (advisor)
This thesis deals with dependence of heat transfer coefficient on rate of air concentration in the water. Main idea appears from gas dissolvability in water depending on pressure, Henry's law and Newton's law of cooling. There had been an experiment made to verify the hypothesis.

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