Preferencje help
Widoczny [Schowaj] Abstrakt
Liczba wyników

Znaleziono wyników: 26

Liczba wyników na stronie
Pierwsza strona wyników Pięć stron wyników wstecz Poprzednia strona wyników Strona / 2 Następna strona wyników Pięć stron wyników wprzód Ostatnia strona wyników

Wyniki wyszukiwania

help Sortuj według:

help Ogranicz wyniki do:
Pierwsza strona wyników Pięć stron wyników wstecz Poprzednia strona wyników Strona / 2 Następna strona wyników Pięć stron wyników wprzód Ostatnia strona wyników
The long-term storage of chips in the form of piles visibly decreases the quality of this material. The aim of the research was to identify the colonization by fungi of forest chips intended for energy purposes and the growth of fungi, as well as the changes they can cause in wood during the storage of chips. The first sample for biological tests was taken when a test pile was being raised on the premises ofa power plant (the initial state) and successive samples were taken from the inside of the pile after 30, 60 and 120 days of storage. The surfaces of the samples were observed using a stereoscopic microscope. Wood inocula, taken from the inside of the samples, were placed on a sterile culture medium, incubated for 10 days, and then observed under a microscope. Numerous filamentous fungi, responsible for the soft rot of wood, were isolated from the samples taken when the pile was raised and after 30 and 60 days of storage; however, no traces of decay in these chips were observed under the microscope. For the first time, fungi belonging to the Basidiomycetes class were observed on chips taken from the pile after 120 days. Hence, it is only after 120 days that some of the changes in chip quality, signalised bya decrease in mass, may be connected with the growth of Basidiomycetes.
Biological activity of copper-amine complexes against wood decaying fungi was determined. The influence of ligands structure and copper source of complexes on the fungal growth in malt-agar substrate and on weathering affects color of treated wood was analysed. The color change of the weathered copper-amine treated wood suggests that the Cu-complexes play a significant role in the photo-protection of wood.
Pierwsza strona wyników Pięć stron wyników wstecz Poprzednia strona wyników Strona / 2 Następna strona wyników Pięć stron wyników wprzód Ostatnia strona wyników
JavaScript jest wyłączony w Twojej przeglądarce internetowej. Włącz go, a następnie odśwież stronę, aby móc w pełni z niej korzystać.