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National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Stanovení vybraných iontových herbicidů v povrchových vodách
 Ondračka, Tomáš
The thesis deals with the determination of selected ion herbicides in surface waters and in the first part describes the herbicides. Given the broad spectrum herbicide further work deals mainly with glyphosate. The next section describes the electromigration methods and the methods by which the herbicides were determined. Finally, it describes how the development of an electrolyte system along with the use of graphical possibilities of computer technology. In conclusion are presented and commented on the results of measurements of glyphosate in surface waters, compared with foreign literature and assessing the suitability of methods for the analysis of contaminants in the environment.
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Využití elektromigračních metod ke stanovení těžkých kovů v odpadních vodách
 Ondračka, Tomáš
The diploma thesis deals with the determination of selected heavy metals in wastewater, while the first part describes electromigration methods and individual heavy metals. In the next part of the thesis is describe, the problems of sewage sludge and methods commonly used for determination of heavy metals in wastewater. The practical part of the thesis describes the development of the electrolyte system together with the use of computer technology. Following is a discussion of the possibility of removing heavy metals from wastewater. In conclusion, the results of heavy metal measurements, comparison with foreign literature and assessment of suitability of the method for analysis of hazardous substances at low concentrations in the environment are presented and commented.
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Aktuální stav důsledků havárie černobylského jaderného reaktoru z agroekologického pohledu se zaměřením na kontaminaci zemědělské půdy
 Ondračka, Tomáš
Bachelor thesis deals with the current agricultural soil contamination with radionuclides as a result of nuclear reactor accident at Chernobyl in 1986. The work is processed as a review of the literature on the issue. The thesis presents the physico-chemical properties of selected anthropogenic radionuclides. Due to the physical half-life work continues to address only radionuclides with long half-life, their transfer in the environment, focusing on the interaction of these radionuclides in the soil system. At the conclusion of this work a list of other important soil contaminants and their comparison with radio-contaminants is submitted.
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