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Problems of behavioral disorders the pupils (students) in school environment, especially the aggressiveness and vexation, the posibilities of their prevention
VONEŠOVÁ, Pavla
This diploma thesis deals with behavioural problems of pupils in a school setting, particularly with aggression and bullying, as well as the possibility of their prevention. It consists of a theoretical part, a practical part, and appendices. The theoretical part treats behavioural problems in pupils, presenting the separate disorders in all their possible forms, accounting for both internal and external factors triggering them, explaining their causes and the conditions under which they occur, and, finally, surveys the possibility of their prevention and treatment. The practical part uses a questionnaire designed by the author of the thesis and discussions conducted in schools to identify the most common types of behavioural disorders. The results of the research are presented in charts and graphs and are complemented by data obtained in the discussions. This part is concluded with a thorough analysis of the data. The appendices contain real-life examples of behavioural problems encountered by teachers, the minimum prevention programme implemented by the basic school in Jistebnice and its evaluation for the school year of 2008/2009, the crisis management scheme of the same school, and additional materials relating to the topic.
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Problematics of factors influencing juvenile delinquency
NYKLESOVÁ, Eva
The degree paper deals with the issues of juvenile delinquency and the factors which have impact on the origination of the juvenile delinquency. I have chosen this topic since it is a very serious problem and this phenomenon has been proliferating significantly. The crime in general, especially the juvenile delinquency, is a serious social-pathological phenomenon. Minors who do not reach the limit of criminal liability often became the offenders. In addition, the probability of threatening a young man by social pathological phenomena and his subsequent ``criminal career{\crqq} is currently much higher than ever before. To recognize the occurrence of risk factors among the youth in time it is necessary for the families, teachers, educators and all professionals working with the juveniles to acquire sufficient knowledge, information and experience and be able to work with the factors and fight against them in time. The theoretical part deals with the definition of the term ``youth{\crqq}, the personality of a young delinquent, structure of the juvenile delinquency, analyses of the risk factors which most frequently participate in the occurrence of juvenile delinquency, and outlines the possibilities of intervention against the juvenile delinquency and various kinds of prevention. The research is focused on the occurrence of risk factors among the young respondents and on protective factors and attitudes of the respondents in respect of the juvenile delinquency and the crime at all. Structured interviews were held with the youth which are placed in the reformatory or special correctional institutions in the territory of the Regional of Plzeň. The main objective of the degree paper is to describe the factors which significantly affect the occurrence of the juvenile delinquency and to map the occurrence and impact of such factors on the juveniles placed in the correctional and reformatory social retraining institutions in the Region of Plzeň. Hypothesis No. 1 is: The youth commit property crimes at the most. Hypothesis No. 2: The youth behave improperly namely when in groups. Hypothesis No. 3: The decisive factor affecting the juvenile delinquency is the family. I think that the objectives of the degree paper were fulfilled. Hypothesis No. 1 was confirmed. The respondents mostly stated that they were adjudicated treatment in special reformatory institution due to property crimes. Hypothesis No. 2 was also confirmed. The replies of the respondents mostly contained the possibility that they committed crime within a gang. Hypothesis No. 3 was confirmed, too: Analyses of the research proves that all factors participating in the occurrence of the juvenile delinquency are penetrated with the impact of the family and family environment on the juveniles. Results of the performed research will be used for further education of the students at the University of South Bohemia in České Budějovice, as well as for the students of other auxiliary professions at other universities. The results will be further used as the source of information for parents and pedagogical professionals working with the youth and as source materials for seminars about the given topic.
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Simulated chemical accident associated with the release of phosgene
NOVÁK, Jan
The thesis entitled "Simulated Chemical Accident Associated with Phosgene Leak" focuses on the issue of disasters in general and specifically on chemical disasters associated with leakage of dangerous chemicals. The thesis consists of a theoretical and a practical part. The theoretical part of the thesis is divided into four subchapters. The first subchapter deals with accidents in general, and the classification thereof into natural and anthropogenic contingencies. The subject of the second chapter deals with specification of accidents that occur in the chemical industry. A special focus is given to causes of chemical accidents, among which there are anthropogenic (human factor) and technical causes as well as working conditions and organization of work. As regards classification, chemical accidents are divided into chemical accidents associated with leakage of dangerous chemicals, further accidents with leakage of radioactive substances and those involving oil leaks. With regard to the topic of the thesis, the third subchapter specifically focuses on characteristics of chemical accidents associated with leakage of dangerous chemicals. This is the key part of the theoretical basis of the thesis. The subchapter deals with causes, classification, development, characteristic effects and consequences of such accidents. Factors are also mentioned that affect the spread in the environment of dangerous chemicals leaked as the result of chemical accidents depending on a number of conditions. The fourth subchapter is linked to the preceding chapter in that it provides a brief characteristic of dangerous chemicals. A special focus is given to a comprehensive specification of phosgene. The core of the practical part of the thesis lies in the implementation of research consisting in simulation or modelling of a chemical accident associated with leakage of a selected chemical from a particular chemical plant. For the purpose of modelling phosgene was selected as the dangerous chemical. The company Synthesia, a. s. located in Pardubice, was chosen as the chemical plant in question. The practical part of the thesis aimed at modelling a chemical disaster associated with phosgene leak at Synthesia, a. s. The software tool TerEx, version 2.9.1. was used for simulation. Using this computer program a total of ten contingency scenarios were prepared involving phosgene leaks of different quantities as consequence of a chemical accident at Synthesia, a. s. Another aim of the practical part of the thesis was to assess risks following from the chemical accident. This assessment was made on the basis of the results of the TerEx program in the form of toxic exposure, recommended examination of toxic phosgene concentration within certain distance from the place of leakage, areas of necessary evacuation of the population, and last but not least time dependence of phosgene concentration and accumulated dose within distances of necessary evacuation of the population. The third and also the last aim of the practical part of the thesis was to assess impacts of this potential chemical accident on the health or lives of the population. The results of the modelled chemical accidents involving phosgene leak from Synthesia, a. s. showed that this contingency would especially impact health but not lives of the population. The phosgene concentrations showed only threshold levels (from 10 to 20 mg/m3) that would cause irritation of the eyes and the upper respiratory tract / nasopharynx. Even though the results of the research showed that no serious impacts on the health of the population should occur, the worst possible contingency scenario should always be considered in the event of such chemical accident.
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Technology of manufacture and treatment of medieval arrowhead
Kašpar, Jan ; Stránský, Karel (referee) ; Stránský, Karel (referee) ; Doležal, Pavel (advisor)
This thesis analyses issue of manufacture, typology and use of medieval arrowheads. In theoretical part describe historical evolution of bow and his archaeological discovery in Europe, especially from medieval times. After that is revealed historical evolution of arrowheads and describe their typology. In next chapters are mentioned ways of iron production, mainly in early medieval times and also describe technology of manufacture different types of arrowheads. There is a characterization of medieval arrow, his construction and characteristics. Continuously in this background research are revealing questions of penetration depend on the various types of arrowheads, which are testing on the most known types of armour like chainmail or breast plate. In experimental part of this paper are metallographicaly analyzing archaeological discoveries from the early and late medieval times. Conclusions about their manufacturing, treatment and possibilities of use are built on knowledge about arrowheads structures, hardness and shapes.
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Emergency preparedness and protection of the inhabitans in the national company Budějovický Budvar in the release of hazardous substances
JIRKA, Martin
The thesis describes the issue of emergency preparedness and protection of the inhabitants in the National Corporation Budweiser Budvar during the release of hazardous substances. The thesis is focused on important aspects that determine the drafting of emergency documentation. One of aspects is the amount of hazardous chemical - ammonia. The total ammonia content in the object is 22 tons. This amount is according to the Act No. 59/2006 Coll., concerning prevention of major accidents as a sub-limit amount and not as an object into group A or B. On these not-classified resources are not subject to some duties under this Act, especially the obligation to prepare an emergency documentation (except where the regional authority include in the emergency plan then must provide and update the required documents). This paper doesn´t discuss by the massive leakage of 22 tons of ammonia. On the basis of analyzes were identified two sources of the risk. The first is a reservoir about the content of 10 tons which is located on the roof of the engine room. Maximum real filling is around 6 tons. The second source of risk is an expansion tank about the content of 14 tons, which is located in the building with cylinderconicals tanks (CKT). Considered fulfillment of the expansion vessel is about 7 tons. Although in this case is not about buildings and facility in which is treated with such a amount of dangerous chemical substances, which would belonged to the relevant group, I will perform available analysis according to a regulations issued or supportively used to analysis and risk assessment in according to the Act No. 59/2006 Coll., concerning prevention of major accidents. Harmful effects of ammonia are another important aspect. According to the Notice of the Ministry of Interior No. 103/2006 Coll., concerning establish principles defining the emergency planning zone and the extent and method of preparation of an external emergency plan, ammonia is taken as moderately toxic substance that irritates the eyes, mucous membranes, and in high concentrations can cause death. The great advantage from the point of view of the protection inhabitants are the warning properties. Characteristic pungency is already known in very weak concentrations. Also disposal of hazardous concentrations isn't technologically challenging, due to its solubility in the water. Another dangerous effect, except the toxicity is its explosiveness (explosive limit from 15 to 28 %) and flammability. Fortunately controlled condensing pressure prevents ignition and explosion of ammonia. Risk of the explosion and ignition of ammonia isn´t analyzed in this thesis, because the range of effects caused by leakage of several tons, is from a toxicological point of view more threatening. Impacts of hazardous concentrations aren´t threat only for people but also for animals and the environment. The thesis focuses on the analysis and evaluation of risks. The results of this research are an important element of the draft of emergency documentation. During the processing is calculated with methods IAEA-TECDOC-727, Dow's Chemical Exposure Index, Estimation of toxicity and software modeling program ALOHA. Further research is being done by brainstorming and semi-standardized interviews with employees of the company. In conclusion of the thesis is appropriate the drafting of emergency cards and emergency documentation (although not in range under the Act of concerning prevention of major accidents), according to which the reaction proceeded for any leakage of dangerous chemicals (ammonia) into the environment and the protection of workers which occur at the public premises or in the premises of the zone of impact of ammonia spilled outside the area Budweiser Budvar, NC. The use of the draft of emergency documentation is also conditioned by the location of the object in relatively densely populated areas of the county town of České Budějovice.
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Study of phenolic compounds in some biologic materials using method LC/MS
Měřínská, Radana ; Zemanová, Jana (referee) ; Kočí, Radka (advisor)
Presented bachelor thesis was focused on suitable methods for analysis of phenolics, especially modern instrumental methods were studied. In experimental part some standard phenolic compounds were analysed using combined technique HPLC/ESI-MS with off-line and/or on-line detection. Mass spectra of individual stadards and/or mixtures were determined in MS full scan and/or MS/MS full scan mode. Ionisation of chosen standard compounds was done in pozitive and/or negative mode. Parent ions of followed compounds were identified: reserpine (PI 609.9, NI 607.7), acid chlorogenic (NI 353), quercetin (PI 303.5, NI 301.5), rutin (PI 611, NI 609), morin (PI 303.1, NI 301.1). Typical fragments of studied standards were produced using MS/MS full scan mode. By fragmentation characteristic product ions were identified: acid chlorogenic (NI 191), quercetin (PI: 229.1 and 257.1; NI: 179.0 and 151.0), rutin (in MS/MS NI: 301; in MS3 NI: 179, 151.1), morin (PI: 285.1 a 257.1; NI: 283.2, 273.2, 257.1, 229.1). Optimal conditions of phenolic HPLC separation were determined including gradient elution and Restek column use. In conclusion on-line HPLC/MS detection using negative ionization was observed as the best configuration for phenolic analysis.
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Modeling of fracture process in quasi-brittle materials
Klon, Jiří ; Eliáš, Jan (referee) ; Veselý, Václav (advisor)
This work is focused on the evaluation of the selected fracture parameters of quasi-brittle material, especially concrete, and an assessment of their dependence on the size and shape of the fracture process zone developing at the tip of the macroscopic crack during fracture. For this purpose, experimentally obtained loading diagrams published in the scientific literature have been utilized. These diagrams have been processed into a form enabling creation and calibration of numerical models of these tests in the ATENA FEM program. The results obtained from simulations of the three-point bending tests on beams of four sizes, with three notches lengths, using the created numerical models were used for determination of fracture parameters of concrete. Results of the work consist of the determined values of the specific energy dissipated for creation of new surfaces of the effective crack and an estimation of the specific energy dissipated in the volume of the fracture process zone, which exhibits specific parameters for each beam size and notch length.
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Psychosis and school reality, how to learn with psychosis
Slavíčková, Tereza ; Kucharská, Anna (advisor) ; Duplinský, Josef (referee)
The subject of this thesis is difficulties with return to studies and the strategies of coping these situations of young people with serious mental illness. The theoretical part introduces the issue schizophrenia. It describes the difficulties and the deficits that arise in the person's life due to the illness. In detail, I explain the coping strategies of these people, the concept of early prevention and therapy of mentall illness and the international examples of supported education of people with schizophrenia. The practical part consists of five case studies of young people with psychosis who decided to return to their school life. The main issue of interest is finding the difficulties, that can appear in the process of the return, and especially tracking the strategies of coping the sdifficulties. As following, there is a wider picture of coping strategies discussed, the similarities and differences between the strategies of these five people explored and described strategies are related to the individual's studying success. KEY WORDS Young people in the early phase of serious mental illness, return to high school or university, coping strategies, supported education program
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