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Influence of disinfectants on the content of lactic acid in the production of refined sugar
Novotná, Hedvika ; Skoumalová, Petra (referee) ; Horák, Radek (advisor)
The diploma thesis compares the effectiveness of disinfectants on the content of the lactic acid. The disinfectants used for the experimental part are formalin and BetaStab®. The content of glucose and lactic acid was observed and compared after processing conventional beet and bio-beet. Based on the analysis of the measured data, it was found that the highest disinfecting effect on the lactic acid content had formalin, the avearge lactic acid value was 275 mg/l. In experiment with BetaStab® disinfection the average value of the lactic acid was 350 mg/l. When the beet was processed without the use of disinfection, this average lactic acid was 371 mg/l and in the untreated treatment of the bio-beet, the lactic acid content was 467 mg/l. The glucose content of formalin disinfection diffusion juice reached an average of 573 mg/l. When BetaStab® disinfection was applied, the average glucose content was 348 mg/l and a similar value was measured for the bio-beet treatment (328 mg/l). The highest glucose content had untreated conventional beet, where an average value of 690 mg/l was reached.
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Damnatio memoriae - World War II Monuments in Croatia
Dukić, Predrag ; Abu Ghosh, Yasar (advisor) ; Novotná, Hedvika (referee)
In my work, I focus on the removal and demolition of monuments by partisans and the fight against fascism during the Second World War. This phenomenon has been occurring in Croatia in various waves with changing intensity since the 1990s. My work is based on repeated visits and field research that I conducted in Croatia. The empirical part of the work consists of narrative episodic interviews and unobtrusive observation of commemorative ceremonies. I examined how narrators explain their attitudes towards monuments as symbols of a particular societal view of the past. In my work, I drew from Maurice Halbwachs's theory of the social origins of memory and other theoretical concepts related to his work. I was interested in the mechanisms of creating, maintaining, and transferring social memory from generation to generation. I show the existence of multiple perspectives in viewing the past and examine the impact of this multiplicity of perspectives on relationships in Croatian society. Keywords: collective memory, commemoration, identity, memory sites, monuments, remembering, social justice.
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Crossing the line behind the stage: drugs in theatre
Rybová, Tereza ; Spalová, Barbora (advisor) ; Novotná, Hedvika (referee)
This thesis explores a specific discourse on cocaine non-use/use in the theatre environment, specifically among students and graduates of an arts college in the 20-30 age group. Thus, the research focuses on the use of psychotropic substances in a relatively privileged context. Through a phenomenological research design, an understanding of the lived experience of the actors is achieved. The data was collected through thirteen in-depth interviews. Respondents included non-users, occasional users, people in outpatient treatment and former drug distributors. The study explores how actors perceive experiences with particular drugs and how they define the boundaries of acceptability within psychotropic substance use. The thesis also focuses on what users consider essential during the act of use itself. Special attention is then given to economic relations, drug distribution and perceptions of illegality. The work also touches on the experience of abstinence and outpatient treatment. In addition to describing use in a specific theatrical setting through the eyes of the actors themselves, it is revealed how substance use is normalized in this group and how the actors (dis)define themselves from the socially supported discourse.
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