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Spremljanje dinamike navlaževanja izbranih lesnih vrst v laboratoriju in na prostem : diplomsko delo - univerzitetni študij = Monitoring of moisture dynamics of selected wood species in laboratory and in outdoor conditions : graduation thesis - university studiesLenarčič, Jernej, 1974-Les je, kot naraven material rastlinskega izvora, podvržen razkroju. Na naravno odpornost lesa proti dejavnikom razkroja v veliki meri vpliva dovzetnost lesa na vlaženje. Če je v lesu manj kot 20 % ... vode, se nevarnost za razvoj gliv bistveno zmanjša. V praksi se različne vrste lesa uporabljajo na različnih, vlagi bolj ali manj izpostavljenih mestih. V okviru te naloge smo želeli osvetliti dinamiko vlaženja lesa na prostem in preveriti ustreznost različnih metod spremljanja vlažnosti. Vzorce izbranih lesnih vrst smo izpostavili vremenskim vplivom. V raziskavi smo uporabili gravimetrično metodo, pri kateri smo mase vzorcev na terenu spremljali občasno in kontinuirano. Vzorce smo namestili na ozke nosilce in jim ročno tedensko določili maso. Del vzorcev je bil nameščen na avtomatskih tehtnicah, ki so vsakih 50 sekund odčitale maso. Poleg tega smo dinamiko vlaženja določili tudi v laboratoriju. Vzorcem smo določili kratkotrajno navzemanje vode. Posamezne rezultate smo primerjali in ugotavljali skladnost razmerij med posameznimi vrstami lesa. Izkazalo se je, da so rezultati medsebojno pogojno primerljivi. Že v kratkem času so se izkazale pomanjkljivosti metode kontinuiranega terenskega merjenja. Metoda kontinuiranega merjenja nima vgrajenega mehanizma korekcije v primeru, ko se na površini vzorcev lesa zadržuje kapljevina, smeti ali polži ali kadar na odčitek vpliva drug dejavnik iz okolice.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [J. Lenarčič], 2016Language - slovenianCOBISS.SI-ID - 2652553
Author
Lenarčič, Jernej, 1974-
Other authors
Humar, Miha |
Lesar, Boštjan
Topics
vlažnost lesa |
kratkotrajni navzem |
dinamika vlaženja lesa |
wood moisture |
short term uptake |
wood moisture dynamics
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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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Lenarčič, Jernej, 1974- | ![]() |
Humar, Miha | 19106 |
Lesar, Boštjan | 28503 |
Source: Personal bibliographies
and: SICRIS
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