Relevant bibliographies by topics / Huminové látky

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  1. Journal articles
  2. Dissertations / Theses

Academic literature on the topic 'Huminové látky'

Author: Grafiati
Published: 4 June 2021
Last updated: 7 February 2022

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Journal articles on the topic "Huminové látky"

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Petr, Petr, Miroslav Verner, Hana Kalová, Brigita Janečková, Olga Vačkářová, and Ivana Zezulková. "Humic substances in balneology. Contemporary situation and perspectives." Kontakt 14, no. 1 (2012): 94–98. http://dx.doi.org/10.32725/kont.2012.011.

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Dissertations / Theses on the topic "Huminové látky"

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Konečná, Soňa. "Fluorescence půdních a lignitických huminových látek." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2009. http://www.nusl.cz/ntk/nusl-216500.

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The purpose the diploma thesis was to determine main fluorophores of soil and lignite humic substances using methods of 2D synchronous fluorescence spectroscopy (SFS) and 3D SFS. These fluorescence methods are frequently used for characterization multifluorophore systems. Measured synchronous spectra were compared with standards IHSS. Next to that the aim was to find differences between chosen samples of humic and fulvic acids.
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Novák, Tomáš. "Vliv huminových látek na vlastnosti masa brojlerových kuřat." Master's thesis, Česká zemědělská univerzita v Praze, 2016. http://www.nusl.cz/ntk/nusl-258223.

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Due to great popularity of the chicken meat, the breeders try to improve yield of meat and its quality parameters, which leads to the application of various food additives such as those based on humic compounds. Those humic matters are used for their positive influence over the immunity system, metabolic functions and adaptability of the livestock organisms. Literature review sums up the experience with broiler chicken breeding and feeding. Further it deals with meat composition and its characteristics. The last part contains information of humic compounds and their influence over the live org
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Macháčková, Mirka. "Lignitové hydrokoloidy." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2013. http://www.nusl.cz/ntk/nusl-216958.

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This diploma thesis deals with the study of non-energy use of lignite. The main objective was to find an optimal recipe for the preparation of liquid and semi-solid (paste) hydrocolloids from the South Moravian lignite using the planetary mill and select the suitable dispersion medium with emphasis on possible use in agriculture. The used solutions were 10, 20 a 40 % w/w solutions of urea; 5, 10 a 15 % w/w solutions of citric acid; 1, 5 a 10 % w/w solutions of potassium chloride and deionized water. The best weight ratio for the preparation of lignite hydrocolloids is 1 part of lignite and 2 p
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Kratochvílová, Romana. "Vývoj nových aplikačních forem huminových látek pro zemědělské a environmentální aplikace." Doctoral thesis, Vysoké učení technické v Brně. Fakulta chemická, 2020. http://www.nusl.cz/ntk/nusl-432960.

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The new forms of superabsorbent polymers (SAP) on the base of acrylic acid were developed and studied in this thesis. The SAP are focused on agricultural and environmental applications. While they are applied to the soil, SAP can prevent water losing and they become a reservoir of humidity in case of dry season, moreover in combination with fertiliser they play role of controlled release medium. Eight various samples of SAP were experimentally prepared by networking of partially neutralized acrylic acid. Potassium peroxydisulfate was used as the initiator and N,N–methylenebisacrylamide as the
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Hegr, Martin. "Transport kovových iontů v huminových hydrogelech." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2017. http://www.nusl.cz/ntk/nusl-316174.

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This diploma thesis is focused on the study of diffusion of metal ions in hydrogel of humic acid. The objective of this thesis was to investigate the effect of the concentration of metal ions supply source and duration of diffusion on transport through the gel using method of diffusion couple. Cupric, nickel and cobalt ions were esed like the diffusion medium. All these ions were selected thanks to their high affinity for the humic acids and because they are ideal to investigate the diffusion through the humic gel. Chloride salts of these metals, namely CuCl2, NiCl2 and CoCl2, were used like s
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Uhrová, Anna. "Produkce a charakterizace regenerovaných huminových kyselin." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2008. http://www.nusl.cz/ntk/nusl-216337.

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Jihomoravský lignit pocházející z dolu Mír v Mikulčicích, Lignit s.r.o. byl přesítován a vybraná frakce byla modifikována tzv. mokrou cestou pomocí dvou oxidačních (HNO3, H2O2) a dvou „amfifilních“ (kyselina octová, kyselina citronová) činidel. Alkalickou extrakcí byly získány jak huminové kyseliny z neupraveného tak předupraveného lignitu (tzv. regenerované huminové kyseliny). Na základě výsledku elementární analýzy byly vypočítány C/O a C/H poměry, které společně s FTIR spektry podaly informaci o stupni alifaticity/aromaticity a dále o stupni oxidace organického uhlíku. Pomocí vysokoúčinné v
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7

Vlašicová, Silvie. "Interakce ibuprofenu s huminovými látkami a stabilita vzniklých komplexů." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2021. http://www.nusl.cz/ntk/nusl-449792.

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Nowadays, huge amounts of drugs get into watercourses and soil due to wrong disposal in sewage treatment plants. In this work, the sorption and desorption behavior of Ibuprofen in the soil system was studied, especially in relation to humic acids. The degree of sorption and desorption was defined from the change in ibuprofen concentration analyzed by UV-VIS spectrometry, changes in conductivity and pH were also observed. Ibuprofen shows good sorption properties, desorption was really minimal. It can be assumed that there is a strong bond between ibuprofen and both soil and lignite humic acids
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Kundera, Ondřej. "Organominerální gel jako nový koncept strukturní a koloidní charakterizace půd." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2017. http://www.nusl.cz/ntk/nusl-316172.

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The aim of this study is the organomineral gel contained in soil, mainly the characterization using electron microscopy and available analytical methods like IR-spectrometry, thermal analysis, X-ray crystallography and emission spectrometry. The knowledge from this study may help to define function and significance of this gels to soils and nature. The theoretical part of this thesis deals with soil, humic substances and minerals occurring in soils. The experimental part solves especially the structure and further characterization of organomineral gels.
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9

Bursáková, Petra. "Hydratace huminových látek." Doctoral thesis, Vysoké učení technické v Brně. Fakulta chemická, 2011. http://www.nusl.cz/ntk/nusl-233326.

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Tato dizertační práce studuje charakter hydratační vody v systému voda/huminová látka. Úkolem je určit jak kvantitativní, tak i kvalitativní aspekty hydratace huminových látek (HS) v pevné i kapalné fázi a prozkoumat rozdíly ve vlastnostech vody obklopující huminovou látku s použitím vysokorozlišovací ultrazvukové spektroskopie (HRUS) a metod termické analýzy, jako je diferenční kompenzační kalorimetrie (DSC) a termogravimetrie (TGA). Hlavním cílem této práce je přispět k objasnění problému hydratace huminových látek pocházejících z různých zdrojů a majících proto odlišné vlastnosti a složení,
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10

Solná, Irena. "Kalorimetrická studie interakcí huminových látek s kovovými ionty." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2013. http://www.nusl.cz/ntk/nusl-216932.

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The main object of the diploma thesis is study of interaction beetween humic acids and selected metal ions using calorimetric titration. The research about reactivity of humic substances is done comparing the different models used to describe the variety of properties of humic substances. In experimental part the methods of FT-IR spektrometry, potenciometric and conductometric titration are used to recieve the total acidity and carboxylic acidity of lignite humic acid. The optimalization of isothermic titration calorimetry is done to be used within study of reactivity of humic acids, revealing
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