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Fungicidne lastnosti naravno starane smrekovine impregnirane z bakrovimi pripravki : diplomski projekt = Fungicidal properties of naturally aged spruce impregnated with copper based preservatives : B. Sc. thesisPlaninšič, JožeNavadna smreka je najbolj razširjena drevesna vrsta pri nas. Njen les uporabljamo tudi v gradbeništvu. Pri uporabi v višjih razredih izpostavitve je lesne izdelke treba zaščititi pred okužbo gliv in ... napadi insektov. Podaljšanje trajnosti lesa pomeni nižje stroške vzdrževanja in izboljšanje zanesljivosti infrastrukture. Za zaščito lesa pogosto uporabljamo bakrove pripravke. Da bi preverili stanje bakrove učinkovine pri starejših telekomunikacijskih drogovih in ograji, kjer je bil les globinsko impregniran z bakrovimi pripravki, smo pripravili vzorce za določanje radialne distribucije Cu, za ugotavljanje fungicidnih lastnosti in določanje vezave Cu v lesu. Oba izdelka sta bila v četrtem razredu izpostavitve. Za analize Cu smo uporabili rentgensko fluorescenčno spektroskopijo (XRF). Ugotovili smo, da se vsebnost Cu niža od vrha proti dnu droga. V zgornjem delu droga zasledimo Cu in Cr po celem preseku. Pri kolutu iz srednjega dela sta Cu in Cr še samo v prvih 6 cm. Pri kolutu iz dna pa sta prisotna do 4 cm v globino. Glede na fungicidne lastnosti smo ugotovili, da je vrhnji del droga veliko odpornejši od dna. Vzorci, izdelani iz droga in ograje, so pri izpostavitvi glive %in vitro% v povprečju imeli 14 % izgube mase, ki nam kaže, da les ni več za uporabo. Pri določanju vezave smo prišli do zaključka, da se je pripravek med uporabo izpral do te mere, da z našim poskusom praktično nismo zaznali izpiranja.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [J. Planinšič], 2014Language - slovenianCOBISS.SI-ID - 2278025
Author
Planinšič, Jože
Other authors
Humar, Miha |
Pohleven, Franc
Topics
biocidni proizvodi |
smreka |
lesne glive |
izpiranje |
bakrovi proizvodi |
biocidal products |
spruce |
wood decay fungi |
leaching |
copper products
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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Planinšič, Jože | |
Humar, Miha | 19106 |
Pohleven, Franc | 05248 |
Source: Personal bibliographies
and: SICRIS
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