Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Dong-Heub Lee"'
Publikováno v:
Journal of the Korean Wood Science and Technology. 42:516-522
Old architectural wood materials damaged by a fire were evaluated on the basis of wood species and scanning elec-tron microscopy (SEM) observation of wood tissues in combination with energy dispersive X-ray spectroscopy (EDXS) analysis. Results of SE
Publikováno v:
Journal of the Korean Wood Science and Technology. 42:214-221
The deterioration in wood by the brown-rot fungus (Fomitopsispalustris) and the white-rot fungus (Trametesversicolor) were measured using ultrasonic velocity. Those were used for the decay exposure and 4 wood species of wood as the test specimens, Pi
Autor:
Jong Shin Lee, Dong Heub Lee
Publikováno v:
Journal of the Korean Wood Science and Technology. 42:34-40
The effect of neonicochid type wood preservatives on adhesive properties of resorcinol-formaldehyde resin for laminated wood manufacture was examined. By the previous studies, it was verified that the neonicochid type preservative has a high termite-
Autor:
Jong Shin Lee, Dong Heub Lee
Publikováno v:
Journal of the Korean Wood Science and Technology. 42:41-48
To development of the low toxic preservatives, we prepared 29 kinds of chemicals using dinotefuran of low toxic insecticide, IPBC and propiconazol of fungicide, and clove oil has fungicidal activity, but is harmless to humans. It was conducted to inv
Publikováno v:
Journal of the Korean Wood Science and Technology. 41:559-565
This study evaluated the ability of white and brown rot fungi to decompose fire retardant-treated wood by measuring mass loss. Anti efficacy of FRT against sapstain and mold fungi was evaluated. Wood was treated with liquid sodium silicate and boric
Publikováno v:
Journal of the Korean Wood Science and Technology. 41:12-18
Existing wood decks brings out negligent accident because fastener can be pulled-out by cyclic load of pedestrians. When deck and joist are connected, it also causes the problems, which are cracking of wood decks and rapid decay by material of fasten
Autor:
Doo-Hwan Song, Jong-Dae Kim, Jung-Mi Lee, Young-Joon Mok, Han-Chul Park, Dong-Heub Lee, Kang-Kook Lee, Dae-Hyeon Cho, Hyeong-Ki Min
Publikováno v:
Korean Journal of International and Comparative Law. 1:208-241
Publikováno v:
Journal of the Korean Wood Science and Technology. 39:318-325
Pitch pine (Pinus rigida Miller) retaining walls using Steel bar, of which the constructability and strength performance are good at the construction site, were manufactured and their strength properties were evaluated. The wooden retaining wall usin
Publikováno v:
Journal of the Korean Wood Science and Technology. 39:344-350
라디에타소나무 단판적층재(LVL)를 제조함에 있어서, CuAz 및 ACQ 방부처리와 비처리, 수성비닐우레탄 접착제와 페놀변성 리조시놀수지 접착제의 상온경화형 접착제를 적용함에 따른 밀도경
Publikováno v:
Journal of the Korean Wood Science and Technology. 39:140-147
The strength properties of wooden retaining wall which was made with pitch pine were evaluated. Wooden retaining wall was made with diameter 90 mm of pitch pine round posts treated with CUAZ-2 (Copper Azole). The length of the front stretcher of the