頁籤選單縮合
題 名 | 乙醯化木才之抗腐朽性能研究 |
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作 者 | 劉相識; 廖坤福; 洪國榮; 董蓁; | 書刊名 | 林產工業 |
卷 期 | 13:3 1994.09[民83.09] |
頁 次 | 頁362-372 |
分類號 | 436.188 |
關鍵詞 | 乙醯化木材; 抗腐朽性能; 重量保存率; 縱向抗壓強度保存率; Acetylated wood; Decay resistance; Residual weight; Residual compressive strength parallel to grain; |
語 文 | 中文(Chinese) |
中文摘要 | 本篇研究是採用台灣雲杉、美國雲杉、蘇聯雲杉、鐵杉、美國鐵杉、相思樹、木荷、橡膠木等八種省產與進口樹材進行乙醯化,測定其受褐腐、白腐菌腐朽後之抗腐朽性能。在經過120天白腐菌試驗後,八種乙醯化材之重量保存率皆高於92%,比未處理材之重量保存率56-85%高;其縱向抗壓強度保存率亦高於84%,比未處理材僅保存的29-77%為高。而在120天褐腐菌試驗後,八種乙醯化材之重量保存率皆高於89%,比未處理材之重量保存率43-85%高;縱向抗壓強度保存率皆高於73%,比未處理材僅保存5-22%高出甚多,尤其針葉樹材更加明顯。 |
英文摘要 | Eight wood species were used for this experiment: Taiwan spruce, white spruce (USA), Elka spruce (USSR), Taiwan hemlock, western hemlock, Taiwan acacia, Chinese guger-tree, and rubber wood, to determine the decay resistances of the brown and white-rot fungi of acetylated wood. The decay resistance of eight species of acetylated woods related to residual weight properties was 92%, while the untreated woods was ranging 56-85% only for 120 days white-rot fungi test. The residual compressive strength parallal to grain of acetylated woods was more than 84%, while the untreated woods was ranging 29-77% only. The residual weight of eight acetylated woods was more than 89%, while the untreated woods was ranging 43-85% only for 120 days brown-rot fungi test. The residual compressive strength parallel to grain of acetylated woods was more than 73%, while the untreated woods was ranging 5-22% only, particularly softwoods was very conspicuous in this test. |
本系統中英文摘要資訊取自各篇刊載內容。