izpis_h1_title_alt

Vpliv variabilne zgradbe macesnovine na njene dimenzijske in oblikovne spremembe : diplomski projekt
Žagar, Primož (Author), Gorišek, Željko (Mentor) More about this mentor... This link opens in a new window, Čufar, Katarina (Reviewer)

URLURL - Presentation file, Visit http://www.digitalna-knjiznica.bf.uni-lj.si/dv1_zagar_primoz.pdf This link opens in a new window

Abstract
Dimenzijske spremembe in vpliv variabilne zgradbe lesa smo proučevali na jedrovini, mladostnem lesu in beljavi evropskega macesna (Larix decidua Mill.) ter na jedrovini sibirskega macesna (Larix sibirica (Münch) Ledeb.). Dimenzijsko stabilnost smo ugotavljali s spremljanjem krčenja (ß) in nabrekanja (alfa) ter z določanjem kazalnikov dimenzijske stabilnosti: diferencialnega nabreka (q), koeficienta nabrekanja (h) v radialni in tangencialni smeri ter sorpcijskega kvocienta (s). Prirastne značilnosti smo ocenili iz širin ranega in kasnega lesa, kjer smo določili tudi gostoto smolnih kanalov. Ugotovili smo, da med evropskim in sibirskim macesnom ni statistično značilnih razlik v dimenzijski stabilnosti lesa. Med seboj sta si najbolj podobna jedrovina in mladostni les evropskega macesna. Pri vseh meritvah je imel les sibirskega macesna najmanjšo variabilnost.

Language:Slovenian
Keywords:gostota lesa, krčenje, nabrekanje, dimenzijska stabilnost, Larix decidua Mill., evropski macesen, Larix sibirica (Münch) Lebed., sibirski macesen
Work type:Diploma project paper (mb13)
Tipology:2.11 - Undergraduate Thesis
Organization:BF - Biotechnical Faculty
Year:2011
Publisher:[P. Žagar]
Number of pages:VIII, 26 f.
Place:Ljubljana
UDC:630*812
COBISS.SI-ID:1957513 Link is opened in a new window
Views:835
Downloads:246
Metadata:XML RDF-CHPDL DC-XML DC-RDF
 
Average score:(0 votes)
Your score:Voting is allowed only to logged in users.
:
Share:AddThis
AddThis uses cookies that require your consent. Edit consent...

Secondary language

Language:English
Abstract:
The swelling and shrinking of juvenile wood, sapwood and heartwood of European larch (Larix decidua Mill.) were compared to Siberian larch (Larix Sibirica (Münch) Ledeb.) heartwood. The dimensional stability was examined by observation of shrinking (ß) and swelling, and by determining the indicators of dimensional stability: differential swelling (q), swelling coefficient (h) in radial and tangential direction, and by sorption quotient (s). The growth characteristics were assessed from width of earlywood and latewood, where the resin duct density was also determined. There were no statistically distinctive differences between European and Siberian larch in wood dimensional stability. The heartwood and juvenile wood of European larch were very similar. In all measurements the wood of Siberian larch had the lowest variability.

Keywords:wood density, growth increment, shrinking, swelling, dimensional stability, European larch, Siberian larch

Similar documents

Similar works from RUL:
Similar works from other Slovenian collections:

Comments

Leave comment

You have to log in to leave a comment.

Comments (0)
0 - 0 / 0
 
There are no comments!

Back