National Repository of Grey Literature 88 records found  1 - 10nextend  jump to record: Search took 0.01 seconds. 
Analytical methods applied for the evaluation of environmental contamination by uranium ore mining
Bílek, Jiří ; Holubová, Zuzana (referee) ; Čáslavský, Josef (advisor)
This thesis deals with the testing procedures used in monitoring of environmental contamination after uranium ore mining in the uranium mine in Dolní Rožínka. It deals with the determination of radioactive elements radium, uranium and radon. The methods used for the determination of radioactive elements in mine laboratory in Dolní Rožínka are described. The thesis also mentions other applicable methods for determination of uranium. The metods of determination of manganese, iron and other metallic elements are also summarized in brief.The values of concentrations of monitored analytes in selected locations are presented at the end of the thesis. These values, which were provided by laboratories in Dolní Rožínka, are valid for 2010.
Radiotherapy
Šipka, Petr ; Janoušek, Oto (referee) ; Kolářová, Jana (advisor)
The goal of this thesis is to familiarize readers with the basics of the problem of electromagnetic and ionizing radiation, with its effects on a biological tissues and with types of ionizing radiations used in a therapy. It deals with a medical procedures in therapy planning and with procedures during therapy itself. Part of this Bachelor’s thesis is an application Radiation Calculator processed in MatLab software. Application is modeling the resulting radiation field while setting various parameters.
Semiconductor utilization for the capture of ionizing radiation
Klus, Roman ; Varmuža, Jan (referee) ; Radil, Lukáš (advisor)
Tato bakalářská práce popisuje typy a vlastnosti nukleárních článků a analyzuje vzájemné působení ionizujícího záření a polovodičů. Polovodičové nukleární články jsou stroje, které přeměňují energii ionizujícího záření na elektřinu, detektory využívají polovodičové materiály k měření veličin. Součástí tohoto projektu je popis ionizujícího záření, polovodičů, nukleárních článků a detektorů. Následně je popsán betavoltaický nukleární článek a jeho součásti. Je realizováno měření polovodičového nukleárního článku a je proveden rozbor potvrzující pravdivost teoretických poznatků.
Bio-electromagnetic compatibility
Matulík, Martin ; Rozsívalová, Zdenka (referee) ; Matulík, Radomír (advisor)
Following work deals with problems of effects of electromagnetic radiation on living organisms. It goes into interactions of electromagnetic radiation with environment, effects on living organisms, physical units of biological tissues and sorting types of electromagnetic radiation to determine means of protection against adverse health reactions. It enlighten means of establishing sanitary restrictions, differences in legal aspects at Czech republic and worldwide, possible medical utilization, even principles of selected diagnostic and therapeutic techniques. It looks into shielding effects of common materials, ordinarily used for protection against ionizing radiation via findings of practical measurements. Series of radiofrequency measurements has been done with precise spectrum analyzers, which should reveal some basic problems of frequency bands, ordinarily used in current period.
Radioactive radiation meter with simultaneous GPS position sensing
Tkáč, Stanislav ; Sekora, Jiří (referee) ; Chmelař, Milan (advisor)
The task of this master´s thesis is to write a theory of radiation sensing, describe the function of GPS and design the measuring system which can measure the radioactive background and these values assigned to the current GPS coordinates.
Measurement of radioactive radiation
Dyntarová, Markéta ; Kolář, Radim (referee) ; Chmelař, Milan (advisor)
The theoretical part of this Bachelor thesis, „The measurement of ionizing radiation”, is devoted to certain knowledge of radiation. It is concerned with problems of ionizing radiation detection, sorts of ionizing radiation are described shortly together with its influences on human organism and with abilities of organism protection. Thesis also contains description of solid phase detectors of ionizing radiation with detailed description of gas filled detectors. The practical part of this Bachelor thesis is focused on designing of radiation detector with GM counter and realization of indication part device.
Radioactive measurement with geolocation record
Bali-Jenčíková, Kateřina ; Janoušek, Oto (referee) ; Sekora, Jiří (advisor)
This diploma thesis deals with radioactivity research, types of radioactive radiation and radiation detection. There are described types of ionization radiation detectors. The diploma thesis contains the description and principle of the GPS system function. The content is also a proposal with the subsequent realization of a detection device allowing the recording of geolocation. The resulting device is fully mobile with battery status indication. The results are recorded on the SD card.
Simulation of Robotic Search of Lost Radiation Sources
Cihlář, Miloš ; Lázna, Tomáš (referee) ; Žalud, Luděk (advisor)
Simulátory, společnostmi zabývající se robotikou hodně využívané, hrají důležitou roli při výzkumu robotů. Zrychlují, zjednodušují, zlevňují a usnadňují vývoj softwaru a algoritmů. Magisterská práce se proto zabývá návrhem systému, založeného na ROS2 a Gazebo simulátoru, umožňující simulaci pozemních robotů ve vnějším prostředí s možností hledat ztracené radiační zdroje. Práce navrhuje několik metod vytváření prostředí v Gazebo simulátoru včetně návrhu prostředí z mračna bodů a je vytvořen model čtyřkolového, smykově řízeného mobilního pozemního robota. Chování robota v simulátoru bylo ověřeno a upraveno pomocí teoretického dynamického popisu robota. Před simulací algoritmů pro hledání ztracených radiačních zdrojů je navržena metoda sledování referenční trajektorie pomocí proporcionálně integračního (PI) a lineárně kvadratického (LQ) regulátoru a navrhuje metodu k simulaci zdroje radiace a jeho měření. Hledání radiačního zdroje jsou použity dvě typově odlišné metody, kdy jedna je založena na prozkoumání celé oblasti a vytváří mapu radiace, a druhá metoda založená na částicovém filtru aktivně hledá ztracený zdroj záření.
A Study Evaluating the Economic Cost to Eliminate Safety Hazards in the Work EDU ČEZ a .s.
Fejtová, Alena ; FUKAS, Radek (referee) ; Jurová, Marie (advisor)
The bachelor's thesis focuses on defining the costs related to provision of personal protective work equipment at Dukovany Nuclear Power Plant. It specifies theoretical knowledge and legal regulations of health and safety at work. It analyses the costs and compares them with the necessity of their spending to ensure risk-free labour in the controlled zone of nuclear power plant.
Radioactive Waste in Hospital Facilities
Bradáč, Antonín ; Houdková, Lucie (referee) ; Tabasová, Andrea (advisor)
The thesis is focused on a little-known issue of institutional waste produced by hospitals, the creation, collection and subsequent disposal. This thesis described the distribution of waste from various aspects, especially the characteristics and their subsequent use in the effective elimination. This thesis deals with not only this issue, but trying to get closer to negative impact of ionizing radiation on the human body, not only in the current level of radiation protection, but also in terms of the historical development of different sources and work with them, especially in connection with the use of ionizing radiation in normal human activity but also through the list of nuclear accidents. The practical part of this thesis compares the three types of hospitals primarily on the basis of a personal meeting with the heads of various departments involved in the management of institutional waste, and materials derived their visit. Specifically, the hospital Atlas and Tomas Bata Regional Hospital (both situated in Zlin) and specialized workplace Masaryk cancer institute in Brno.

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