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National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Monitoring radionuclide purity of 99mTc obtained by elution from a radionuclide generátor
 Goliášová, Hedvika ; Kocurová,, Veronika (referee) ; Štěpán,, Jiří (advisor)
The work includes basic information about the contaminating radionuclides contained in the eluate obtained from 99mTc molybdenum- technecium generator. Methods of qualification and quantification of these contaminants are designed and discussed theoretically. The results of measurements of energy spectra of the eluate 99mTc are presented and interpreted in a conclusion.
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Monitoring radionuclide purity of 99mTc obtained by elution from a radionuclide generátor
 Goliášová, Hedvika ; Kocurová,, Veronika (referee) ; Štěpán,, Jiří (advisor)
The work includes basic information about the contaminating radionuclides contained in the eluate obtained from 99mTc molybdenum- technecium generator. Methods of qualification and quantification of these contaminants are designed and discussed theoretically. The results of measurements of energy spectra of the eluate 99mTc are presented and interpreted in a conclusion.
Detailed record
Účinek hnojení na eluci živin z půdy
 Kučerová, Věra
The focus of the dissertation was on the evaluation of the effect of fertilisation on the elution of nutrients from the soil in various soil and climate conditions. The results were used of long-term stationary experiments conducted at the ÚKZUZ (Institute for Supervising and Testing in Agriculture) by means of lysimeter measurements and monitoring of meteorological data taking into account the respective production region. The trial plots are located in various parts of the Czech Republic therefore we can compare the results of experiments according to the soil-leaching regimes, various degree of fertilisation on arable land etc. Three crop rotations were evaluated (1989 - 1996, 1997 - 2004, 2005 - 2012). The most severe losses caused by washing out were losses of calcium, sulphates and nitrate N. In the case of N and K the balance of nutrients (uptake -- outflow) was in most cases negative with the exception of potato growing. This negative balance is based on the higher outflow (withdrawal by yields + washing-out losses) as compared to the lower input (nutrient uptake from fertilisers + precipitation). The balance was more negative in the BVO (potato growing region) with a soil-leaching phase than in the ŘVO (sugar-beet growing region) where the soil-leaching regime was periodic. Adequate and harmonic fertilisation is the prerequisite for a balance of nutrients respecting the actual yields.
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