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Effect of temperature on the eradication of house longhorn beetle larvae in wood by microwave treatment = Vpliv temperature na uničenje larv hišnega kozlička pri mikrovalovni zaščiti lesaKlinc, Martin, restavrator, 1984- ; Pohleven, FrancMikrovalovi imajo pri represivni zaščiti kulturnozgodovinskih lesenih predmetov veliko prednosti pred konvencionalnim gretjem. Namen raziskave je preučiti pogoje uničenja larv hišnega kozlička ... (Hylotrupes bajulus) v smrekovem lesu (Picea abies) z uporabo mikrovalov. Mikrovalovom smo izpostavili larve, vstavljene različno globoko v smrekove blokce z 12 % in 42 % vlažnostjo lesa. Uporabili smo komercialno mikrovalovno komoro z močjo 750 W in razvito mikrovalovno napravo z rogasto anteno moči 800 W s frekvenco 2,45 GHz, za usmerjeno obsevanje. Ugotovili smo, da se notranjost lesa bolj segreva kot površina, ki smo jo segrevali do 65 °C. Za uspešno zatiranje je treba larvo v lesu segreti na temperaturo 54,5 °C za 10 sekund. Z debelino lesa se podaljšuje čas izpostavitve. Vlažnejši les se hitreje segreva, vendar mikrovalovi počasneje prodirajo skozi volumen. Zato so larve v lesu z nižjo vlažnostjo (12 %) hitreje poginile, tako 20 mm pod površino lesa (1,5 minute) kot v tudi globini 130 mm (10,5 minute).Source: Acta Silvae et Ligni. - ISSN 2335-3112 ([Št.] 113, 2017, str. 29-39)Type of material - article, component partPublish date - 2017Language - englishCOBISS.SI-ID - 4891814
Author
Klinc, Martin, restavrator, 1984- |
Pohleven, Franc
Topics
leseni predmeti |
represivna zaščita lesa |
mikrovalovi |
segrevanje |
vlažnost lesa |
hišni kozliček |
Hylotrupes bajulus |
wooden objects |
repressive wood protection |
microwaves |
heating |
wood moisture content |
house longhorn beetle |
Hylotrupes bajulus
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Klinc, Martin, restavrator, 1984- | |
Pohleven, Franc | 05248 |
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