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速生杉木薄板热压干燥的试验研究(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
1997年03期
Page:
34-38
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
AN EXPERIMENTAL INVESTIGATION ON PRESS_DRYING FAST_GROWNING CHINESE FIR THIN TIMBER
Article ID:
1000-2006(1997)03-0034-05
Author(s):
Cai Jiabin Qian Shijiang
College of Wood Science and Technology Nanjing Forestry University Nanjing 210037
Keywords:
Pressdrying Chinese fir Honeycomb cracks
Classification number :
-
DOI:
10.3969/j.jssn.1000-2006.1997.03.007
Document Code:
A
Abstract:
This paper describes tempreature field, drying speed, compress rate and specific gravity, and investigates effects of drying technological parameters on drying quality, static bending strengh, surface hardenedness and dimensional stability in pressdrying of Chinese fir. The experimental results show that drying time can be shortened greatly, and material mechanicstrength can be increased. The material is well_protected from honeycomb cracks and maintains drying quality when stepdrying is used during drying process, and pressure is reduced continuously during the end of the period.

References

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Last Update: 1900-01-01