Št. zadetkov: 8
Izvirni znanstveni članek
Oznake:
les;trajnost lesa;odpornost proti navlaževanju;naravna odpornost;modifikacija lesa;zaščitna sredstva za les;wood;inherent durability;moisture performance;natural durability;wood modification;wood preservatives;
Wood is one of the most important building materials. During the service life of wood and derived materials, various degradation factors affect performance. To assess how weathering influenced the material resistance and moisture dynamics of wood, 11 different materials were exposed to natural weath ...
Leto:
2022
Vir:
Biotehniška fakulteta (UL BF)
Magistrsko delo
Oznake:
grče;bela jelka;ekstraktivi;variabilnost;kromatografija;naravni antioksidanti;
Analizirali smo kemijsko sestavo ekstraktivov v beljavi, jedrovini, grčah in vejah bele jelke (Abies alba Mill.) ter preučili njihove fungistatične, antimikrobne in antioksidativne lastnosti. Preiskali smo variabilnost v vsebnosti ekstraktivov v centripetalni smeri, torej od perifernega dela debla p ...
Leto:
2019
Vir:
Biotehniška fakulteta (UL BF)
Diplomsko delo
Oznake:
polivinil alkohol;nanofibrilirana celuloza;ekstraktivi;filmi;UV-Vis;HPLC;
Cilj diplomske naloge je bila priprava filmov na osnovi polimera in dveh biokomponent. Polimer polivinil alkohol (PVA) naj bi služil kot osnovna matrica nanofibrilirana celuloza (NFC) kot ojačitev ter ekstrakt iz lesa bora, za izboljšanje odpornosti proti mikroorganizmom. Najprej smo pripravili vse ...
Leto:
2017
Vir:
Biotehniška fakulteta (UL BF)
Izvirni znanstveni članek
Oznake:
accelerated solvent extraction;wood;silver fir;hydrophilic extractives;chromatography;
Kvalitativna in kvantitativna analiza ekstraktivov iz lesa je v veliki meri odvisna od učinkovitosti uporabljene ekstrakcijske metode. Cilj te študije je bil uporabiti sistem za pospešeno ekstrakcijo ASE 350 za pridobivanje hidrofilnih ekstraktivov iz lesa bele jelke (Abies alba Mill.) ter optimizir ...
Leto:
2019
Vir:
Biotehniška fakulteta (UL BF)
Izvirni znanstveni članek
Oznake:
extraction from wood;phenolic extractives;natural durability;extractive leaching;
This study is concerned with establishing a uniform experimental protocol for the determination of phenolic extractives, which play an essential role in the durability of the wood of selected species included in the field tests. European larch (Larix decidua), Norway spruce (Picea abies), Scots pine ...
Leto:
2023
Vir:
Biotehniška fakulteta (UL BF)
Izvirni znanstveni članek
Oznake:
jelka;grče;kromatografija;lignani;antioksidativne lastnosti;antimikrobne lastnosti;Abies alba;knotwood;chromatography;lignans;antioxidant properties;antifungal properties;
The chemical composition of extractives in the sapwood (SW), heartwood (HW), knotwood (KW), and branchwood (BW of silver fir (Abies alba Mill.) was analyzed, and their antifungal and antioxidant properties were studied. In addition, the variability of extractives content in a centripetal direction, ...
Leto:
2021
Vir:
Biotehniška fakulteta (UL BF)
Izvirni znanstveni članek
Oznake:
wood;natural durability;wood decay;water exclusion efficacy;extractives;
Wood in outdoor applications is subject to various decomposition factors. Wood degradation can be prevented by construction details, biocide protection of wood, wood modification or selection of naturally durable species. Unfortunately, most species in Europe do not have naturally durable wood. Impo ...
Leto:
2022
Vir:
Biotehniška fakulteta (UL BF)
Izvirni znanstveni članek
Oznake:
les;termična modifikacija;hrapavost površine;barva;mehanske lastnosti;fizikalne lastnosti;wood;thermal modification;surface roughness;colour;mechanical properties;physical properties;
This study aimed to evaluate the impact of thermal modification on the physical and mechanical properties of three different wood species from Bosnia and Herzegovina, namely beech wood (Fagus sylvatica L.), linden wood (Tilia cordata), and silver fir wood (Abies alba). The samples underwent thermal ...
Leto:
2023
Vir:
Biotehniška fakulteta (UL BF)