[1]王兴龙,王立海*. 腐朽对山杨木材吸水性和电阻的影响[J].西北林学院学报,2016,31(3):257-261.[doi:10.3969/j.issn.1001-7461.2016.03.45]
　WANG Xing-long,WANG Li-hai*. The Effects of Decay on Electrical Resistance and Moisture Content of Populus davidiana Wood[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2016,31(3):257-261.[doi:10.3969/j.issn.1001-7461.2016.03.45]
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 腐朽对山杨木材吸水性和电阻的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第31卷
期数:
2016年第3期
页码:
257-261
栏目:
出版日期:
2016-05-31

文章信息/Info

Title:
 The Effects of Decay on Electrical Resistance and Moisture Content of Populus davidiana Wood
文章编号:
1001-7461(2016)03-0257-05
作者:
 王兴龙; 王立海*
 （黑龙江省森林持续经营与环境微生物工程重点实验室 东北林业大学,黑龙江 哈尔滨 150040）
Author(s):
 WANG Xing-long; WANG Li-hai*
 (Key Laboratory of Forest Sustainable Management and Environmental Microoranism Engineering of Heilongjiang Province,Northeast Forestry University,Harbin,Heilongjiang 150040,China)
关键词:
 ; 木材腐朽; 含水率; 电阻; 失重率
Keywords:
 ; wood decay;  moisture content;  wood electrical resistance;  weight loss ratio
分类号:
S792.114
DOI:
10.3969/j.issn.1001-7461.2016.03.45
文献标志码:
A
摘要:
 以山杨木材试件为研究对象，研究在健康状态和腐朽状态下木材电阻和含水率的关系、木材腐朽前后绝干质量、含水率、电阻的变化及关系。结果表明，腐朽木材电阻受含水率的影响规律与健康木材相似，即随着含水率升高木材电阻下降；纤维饱和点以上相同含水率下，健康木材的电阻远远高于腐朽木材电阻，而木材腐朽后吸水性增强含水率升高使得电阻进一步降低，木材腐朽之后电阻明显减小；腐朽后木材电阻与健康木材电阻和增水率整体显著相关，木材减阻率与其失重率和增水率间具较强的二元线性关系。
Abstract:
 In order to research the relationships between the wood electrical resistance and moisture contents for sound and decayed wood samples,respectively,the changes and relationships among resistance,moisture content and absolutely dry mass,Populus davidiana wood was selected as objective.The results showed that the relationship between decayed wood electrical resistance and moisture contents was similar to that for the sound wood samples that the wood electrical resistance decreased with the increase of wood moisture content.Decayed wood electrical resistance was lower several times than that of the sound wood below the fiber saturation point at the same moisture content.Moreover,the increasing moisture contents in decayed wood samples lowered the wood electrical resistance more,so the electrical resistance of decayed wood decreased significantly.Through regression analysis,decayed wood resistance was significantly correlated with the sound wood electrical resistance and moisture contents.The correlation between the ratio of the decrement of decayed wood electrical resistance to normal wood electrical resistance and the ratio of increment of decayed wood moisture contents to the normal wood moisture contents and the weight loss ratio were significant as well.

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备注/Memo

备注/Memo:
 收稿日期：2015-08-06修回日期：2016-02-25
基金项目：国家林业局948项目（2014-4-78）。
作者简介：王兴龙，男，在读硕士，研究方向：木材无损检测。E-mail：823390979@qq.com
*通信作者：王立海，男，教授，研究方向：森林工程。E-mail：lihaiwang@yahoo.com
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