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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Vliv glyfosátu na fyziologické procesy v živočišném organismu
 Jelínková, Lucie
This bachelor thesis deals with the effect of glyphosate on the animal organism. The influence of individual selected groups of animals and humans is examined in different types of expermients. The bees in the behavioral study showed a reduced response to sucrose, a deterioration in short-term memory and a deterioration in the formation of ofor-foos relationships. Glyphosate reduced biodiversity in the amphibian population and also halved the toxicity at lower doses when the active substance was studied. Glyphosate also affects carp hepatocytes, which are subject to histological changes. The deteriorating health of the fish, which is infested with exoparasites, makes it easier for glyphosate to enter the body. In rats and rabbits, they cause reproductive problems. Human placental cells respond to glyphosate by reducing the production of the enzyme responsible for estrogen synthesis and thus to fertility problems. Glyphosate is more common in professional exposure and i tis similar in the population living in the immediate vicinity of its application.
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Monitoring of the occupational radiation exposure at Temelín nuclear power plant
 CUPALOVÁ, Klára
This work deals with occupational professional exposures at Temelín Nuclear Power Plant. The introductory part is devoted to types of ionising radiation participating on radiation load of workers, values and units and to the essential legislation requests associated with individual monitoring. In the following part characteristics of methods used to measure individual doses of external exposures like film dosimetry, thermoluminescent do-simetry, radio-photoluminescent dosimetry and electronic dosimetry are described. For assessment of the committed effective dose from the internal exposures in vivo moni-toring or indirect measuring were used. The possibilities of the occupational dose optimisation were discussed Results of individual monitoring in 2005 and 2006 and layout of monitoring program are presented in this work. The new monitoring program is based on the active personal dosimeters (EPDs) rather than on the passive ones and covers the period of transformation between them. With respect to the passive dosimeters, EPDs offer some advantages which on one hand contribute to a better exposure control and on the other hand foster the development of a sound culture in radiation protection due to direct feedback of dose information.
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