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Vpliv branik hrastovine na naravno odpornost proti glivam razkrojevalkam : diplomsko delo : univerzitetni študij = Influence of ring-widths on oak-wood natural durability against decay fungi : graduation thesis : university studiesFabčič, BlažHrastovino uvrščamo med najbolj trajne slovenske lesne vrste. V literaturi in tudi na osnovi praktičnih izkušenj smo opazili, da naravna odpornost hrastovine močno niha. Do sedaj je večina ... strokovnjakov naravno odpornost hrastovine povezovala z vsebnostjo ekstraktivov. Dokazali so, da imajo ekstraktivi velik vpliv na naravno odpornost, vendar samo s tem parametrom niso mogli pojasniti razlik glede obnašanja vzorcev. Da bi ugotovili, kako na odpornost hrastovine vpliva širina branik oziroma gostota, smo, v skladu s standardom SIST EN 113, izdelali vzorce iz hrastovih desk različnih širin branik in jih izpostavili 5 vrstam gliv. Vzporednim vzorcem smo določili delež ekstraktivov, dušika, lignina, kemijsko analizo (FTIR) in barvo. Iz gravimetrično določene izgube mase in mikroskopske analize razkrojenih vzorcev lahko sklepamo, da so bili hrastovi vzorci iz ozkih branik bolj dovzetni na glivni razkroj kakor vzorci iz srednje širokih in širokih branik. Odpornost hrastovine s povprečno širino branik 0,77 mm je primerljiva z naravno odpornostjo bukovine. Poleg tega naši rezultati potrjujejo, da je vpliv ekstraktivov na naravno odpornost hrastovine zelo pomemben.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [B. Fabčič], 2008Language - slovenianCOBISS.SI-ID - 1659017
Author
Fabčič, Blaž
Other authors
Humar, Miha |
Oven, Primož
Topics
hrastovina |
širina branik |
gostota |
lesne glive |
razkroj |
izguba mase |
FTIR |
oak wood |
ring-width |
density |
wood fungi |
decay |
mass-loss |
FTIR |
FTIR
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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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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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Fabčič, Blaž | ![]() |
Humar, Miha | 19106 |
Oven, Primož | 11223 |
Source: Personal bibliographies
and: SICRIS
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