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Priprava površin lesa za slikanje z vrstičnim elektronskim mikroskopom : magistrsko delo = Surface preparation of wooden samples for scanning electron microscopy : M. Sc. thesisNovak, Janez, 1993-Izbrali smo nekaj tipičnih predstavnikov iglavcev in difuzno ter venčasto poroznih listavcev. Preizkusili smo različne metode predpriprave in rezanja površin lesa ter ugotovili optimalno tehniko ... priprave vzorcev lesa za opazovanje z vrstičnim elektronskim mikroskopom (SEM). Vzorci so bili pred rezanjem ali suhi, namočeni v vodo in zamrznjeni, prepojeni s parafinom ali pa zgolj z navlaženo površino. Analizirali smo površine lesa, pridobljene s cepljenjem, žaganjem, skobljanjem in brušenjem ter odrezovanjem na drsnem mikrotomu s klasičnim ali zamenljivim nožem. Najboljše rezultate smo dobili pri odrezovanju predhodno navlažene površine lesa na drsnem mikrotomu z zamenljivim nožem ter površino dodatno naprašeno z zlatom. Optimalna metoda priprave v okviru preverjenih metodologij tehnično ni zahtevna, časovno ni zamudna, dobljeni rezultati pa v celoti zadoščajo preučevanju anatomije lesa. Primerjava svetlobne in SEM mikroskopije je pokazala dobro primerljivost tehnik pri manjših povečavah in bistveno prednost SEM pri večjih povečavah. S SEM smo dosegli dobre rezultate pri povečavah do 8000-krat. Uporaba SEM mikroskopa odpira nove razsežnosti preiskovanja zgradbe in lastnosti lesa. V okviru naloge smo pripravili navodila za optimalno pripravo vzorcev in podali teoretično in praktično podlago za nadaljnje preiskave anatomije lesa z uporabo SEM na Oddelku za lesarstvo.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [J. Novak], 2018Language - slovenianCOBISS.SI-ID - 2946697
Author
Novak, Janez, 1993-
Other authors
Merela, Maks |
Thaler, Nejc |
Kostanjšek, Rok, biolog, 1972-
Topics
SEM |
vrstični elektronski mikroskop |
priprava površin |
anatomska zgradba |
les |
les |
SEM |
scanning electron microscopy |
preparation of surface |
wood anatomy |
wood |
wood
Library/institution |
City | Acronym | For loan | Other holdings |
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BF, Department of Wood Science and Technology, Lj. | Ljubljana | BFLES |
outside loan 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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Novak, Janez, 1993- | |
Merela, Maks | 24676 |
Thaler, Nejc | 33176 |
Kostanjšek, Rok, biolog, 1972- | 18749 |
Source: Personal bibliographies
and: SICRIS
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