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Vpliv ekstraktivov na naravno odpornost jedrovine kostanjevine (Castanea sativa Mill.) : diplomski projekt = Influence of extractives on durability of sweet shesnut heartwood (Castanea sativa Mill.) : B. Sc. thesisKrapež Tomec, Daša, 1990-Kostanjevino uvrščamo med najbolj naravno odporne slovenske lesne vrste. V literaturi zasledimo, da je najpomembnejši dejavnik naravne odpornosti kostanjevine vsebnost velikega deleža ekstraktivnih ... snovi. Želeli smo raziskati, kako na naravno odpornost kostanjevine vplivajo ekstraktivi in kakšen je njihov delež. Izdelali smo vzorce iz jedrovine pravega kostanja, izprali ekstraktive s 3 različnimi topili in vzorce izpostavili 5 glivam razkrojevalkam lesa: Gloeophyllum trabeum, Antrodia vaillantii, Pleurotus ostreatus, Trametes versicolor in Stereum hirsutum. Glivam razkrojevalkam smo izpostavili tudi neekstrahirane vzorce in kontrolne vzorce bukovine ter smrekovine. Izgubo mase po 12 tednih smo določili gravimetrično. Ugotovili smo, da se odpornost vzorcev jedrovine pravega kostanja proti glivam z delnim izpiranjem ekstraktivov bistveno ne zniža. Naravna odpornost je po ekstrakciji nekoliko slabša, vendar povezana z vsebnostjo ekstraktivov. Tudi ekstrahirana jedrovina pravega kostanja je dobro odporna proti glivam, neekstrahirano pa lahko uvrstimo v najvišji odpornostni razred (izguba mase okoli 1 %).Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [D. Krapež], 2011Language - slovenianCOBISS.SI-ID - 1954441
Author
Krapež Tomec, Daša, 1990-
Other authors
Humar, Miha |
Oven, Primož
Topics
les |
pravi kostanj |
naravna odpornost |
glive razkrojevalke |
ekstraktivi |
wood |
sweet chesnut |
natural durability |
decay fungi |
extractives
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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Shelf entry
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Year | Impact factor | Edition | Category | Classification | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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DRS, in which the journal is indexed
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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Krapež Tomec, Daša, 1990- | 52214 |
Humar, Miha | 19106 |
Oven, Primož | 11223 |
Source: Personal bibliographies
and: SICRIS
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