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Radialna porazdelitev kreozotnega olja v impregnirani bukovini in njen vpliv na fungicidno učinkovitost : magistrsko delo = Radial distribution of creosote in impregnated beech wood and its influence on fungicidal properties : M. Sc. thesisPajk, Matjaž, 1988-Kreozotno olje se že 200 let uporablja predvsem za zaščito lesa v stiku z zemljo, ki je še posebej izpostavljen razkroju gliv. Najpogosteje se uporablja za impregnacijo železniških pragov, ki so v ... Sloveniji izdelani večinoma iz bukovine. V okviru naše naloge smo želeli raziskati fungicidno učinkovitost kreozotnega olja in osvetliti vpliv anatomskih značilnosti na odpornost z njim impregnirane bukovine, namenjene izdelavi železniških pragov. Vzorcem impregniranega lesa smo določili maso v suhem stanju. Z ekstrakcijo po Soxhletu, pri čemer smo uporabili mešanico n-heksana in 96 % etanola, smo polovici vzorcev določili navzem s kreozotnim oljem,drugo polovico vzorcev smo izpostavili glivam bele trohnobe (Trametes versicolor, Hypoxylon fragiforme in Pleurotus ostreatus) v skladu z modificiranim standardom SIST EN 113. Pred tem smo vzorce starali po standardu SIST EN 84. Po 16-tedenski izpostavitvi smo vzorcem določili izgubo mase in izračunali povezanost med navzemom kreozotnega olja in fungicidno učinkovitostjo. Navzem s kreozotnim oljem ni bil višji na robovih pragov in nižji na sredini, kot smo predvidevali v prvi hipotezi, v skladu z drugo hipotezo pa je bil navzem manjši na delih vzorcev, ki so vsebovali rdeče srce bukovine. Potrdili smo tretjo hipotezo, saj so bili deli z nezadostnim navzemom kreozotnega olja manj zaščiteni pred delovanjem lesnih gliv. Ugotovitve lahko upoštevamo pri nadaljnjih impregnacijskih postopkih.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [M. Pajk], 2018Language - slovenianCOBISS.SI-ID - 2882441
Author
Pajk, Matjaž, 1988-
Other authors
Humar, Miha |
Lesar, Boštjan
Topics
kreozotno olje |
fungicidne lastnosti |
železniški prag |
železniški prag |
creosote oil |
fungicidal properties |
railway tie |
railway tie
Library/institution |
City | Acronym | For loan | Other holdings |
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BF, Department of Wood Science and Technology, Lj. | Ljubljana | BFLES |
reading room 1 cop.
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Pajk, Matjaž, 1988- | |
Humar, Miha | 19106 |
Lesar, Boštjan | 28503 |
Source: Personal bibliographies
and: SICRIS
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