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Lastnosti arheološkega lesa po dehidriranju z etanolom : diplomsko delo (univerzitetni študij) = Archeological wood properties after ethanol dehydration : graduation thesis (university studies)Macura, TadejArheološki les ima v primerjavi z normalnim lesom zelo spremenjene lastnosti ter izpostavljen sušenju na zraku se že v kratkem času močno skrči, kolabira in razpoka. Cilj te diplomske naloge je ... opraviti dehidriranje arheološkega lesa z etanolom in proučiti njegovo obnašanje v primerjavi z netretiranim lesom po uravnovesanju v različnih klimah ter proučiti morebitne razlike v krčenju med dehidriranim in netretiranim lesom. Razlike v povprečnih polovičnih in končnih časih uravnovešanja niso bile odvisne od lesne vrste in od tega, ali so bili vzorci dehidrirani ali ne. Iz krivulj relativnih sprememb mase (E) v odvisnosti od časa nismo mogli razbrati bistvenih razlik med izhajanjem vode in alkohola iz vzorcev izpostavljenih različnim klimam. Dehidrirani vzorci so se v splosnem krčili bistveno manj kot netretirani. Razlike so bile največje pri uravnovešanju v suhih klimah nad silikagelom (j=3%) in nad MgCl2 (j=33%), kjer so bili radialni, tangencialni, longitudinalni in volumenski skrčki dehidriranih vzorcev najmanj za polovico manjši od skrčkov nedehidriranih vzorcev. Izjemo je predstavljala najbolj vlažna klima nad ZnSO4 (j=85%), kjer so bile razlike v radialnem in longitudinalem krčenju dehidriranih vzorcev približno za četrtino manjše od skrčkov nedehidriranih vzorcev, razlike v tangencialnem in volumenskem krčenju dehidriranih in netretiranih vzorcev pa niso bile statistično značilne.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [T. Macura], 2002Language - slovenianCOBISS.SI-ID - 909705
Author
Macura, Tadej
Other authors
Čufar, Katarina |
Gorišek, Željko
Topics
arheološki les |
dehidracija z etanolom |
kinetika izločanja topil |
skrčki |
archaeological wood |
dehydration with ethanaol |
solvent extraction
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Library | Call number – location, accession no. ... | Copy status |
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BF, Dept. of Wood Technology, Lj. | Knjižnica BF za lesarstvo dn 746 IN: 020020183 |
available - reading room |
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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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Macura, Tadej | ![]() |
Čufar, Katarina | 02937 |
Gorišek, Željko | 05732 |
Source: Personal bibliographies
and: SICRIS
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