成果/Result
- 红锥和西南桦人工林木材力学性质的研究被引量:45收藏
- 作者:吕建雄[1] 骆秀琴[1] 蒋佳荔[1] 赵有科[1] 刘元[2]
- 机构:中国林业科学研究院木材工业研究所;中南林学院工业学院
- 来源:《北京林业大学学报》 2006
- 关键词:红锥 西南桦 人工林木材 力学性质 气干密度
- 摘要:为了研究树木南北向与径向位置的变化对人工林木材力学性质与气干密度的影响,该文通过对红锥、西南桦人工林木材南北向、近髓心和近树皮2个不同径向位置的力学性质以及气干密度进行测定,分析了南北向和不同径向位置2个因素对两种木材力...
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- 红锥和西南桦人工林木材干缩特性的研究被引量:33收藏
- 作者:吕建雄[1] 林志远[1] 骆秀琴[1] 赵有科[1] 刘元[2]
- 机构:中国林业科学研究院木材工业研究所;中南林学院工业学院
- 来源:《北京林业大学学报》 2005
- 关键词:人工林木材 红锥 西南桦 径向干缩 弦向干缩
- 摘要:该文通过对红锥和西南桦人工林木材南北向、不同高度位置、不同径向位置横向干缩 (包括弦、径向 )的测量 ,讨论分析了以上 3个因素对上述两种木材横向干缩率的影响 .研究结果表明 ,南北向的不同对红锥和西南桦人工林木材的干缩...
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- Compression Strength and Modulus of Elasticity Parallel to the Grain of Oak Wood at Ultra-low and High Temperatures被引量:24收藏
- 作者:Jiang, Jinghui[1] Lu, Jianxiong[1] Zhou, Yongdong[1] Zhao, Youke[1] Zhao, Liyuan[1]
- 机构:Chinese Acad Forestry
- 来源:BIORESOURCES 2014
- 关键词:Compression strength Compression modulus of elasticity Ultra-low temperature High temperature
- Cellulose microfibril angle variation in Picea crassifolia tree rings improves climate signals on the Tibetan plateau被引量:20收藏
- 作者:Xu, Jinmei[1] Lu, Jianxiong[1] Bao, Fucheng[1] Evans, Robert[2] Downes, Geoffrey[3]
- 机构:Chinese Acad Forestry;CSIRO Mat Sci & Engn;CSIRO Ecosyst Sci & CRC Forestry
- 来源:TREES-STRUCTURE AND FUNCTION 2012
- 关键词:Picea crassifolia Microfibril angle Climate sensitivity Tree ring Dendroclimatology
- Influence of Frequency on Wood Viscoelasticity under Two Types of Heating Conditions被引量:19收藏
- 作者:Jiang, Jiali[1] Lu, Jianxiong[1] Zhao, Youke[1] Wu, Yuzhang[1]
- 机构:Chinese Acad Forestry
- 来源:DRYING TECHNOLOGY 2010
- 关键词:Chinese fir Dynamic viscoelastic properties Iso-heated wood Rapid-heated wood Scanning frequency
- EVALUATION OF DECAY RESISTANCE FOR STEAM-HEAT-TREATED WOOD被引量:17收藏
- 作者:Cao, Yongjian[1,2,3] Lu, Jianxiong[1] Huang, Rongfeng[1] Zhao, Youke[1] Wu, Yuzhang[1]
- 机构:Chinese Acad Forestry;Univ New Brunswick;Guangdong Acad Forestry
- 来源:BIORESOURCES 2011
- 关键词:Steam-heated wood Cunninghamia lanceolata (Lamb.) Hook Populous tomentosa Carr. Gloeophyllum trabeum Decay resistance Agar block test
- 我国南方地区不同桉树人工林树种生长应变水平的评估被引量:17收藏
- 作者:吕建雄[1] 殷亚方[1] 赵有科[1] 姜笑梅[1]
- 机构:中国林业科学研究院木材工业研究所
- 来源:《北京林业大学学报》 2005
- 关键词:桉树人工林 表面轴向生长应变 活立木 伐倒木
- 摘要:该研究选择生长在我国南方地区的尾巨桉、尾叶桉、大花序桉、粗皮桉和园角桉等5种桉树人工林树种,对不同树种活立木和伐倒木的生长应变水平进行了比较全面的评估.研究结果表明:①不同树种间,由圆周4个方向测量的活立木生长应变平均值...
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- Factors Affecting the Temperature Increasing Rate in Wood during Radio-Frequency Heating被引量:15收藏
- 作者:Huang, Rongfeng[1] Wu, Yanmei[1] Zhao, Youke[1] Lu, Jianxiong[1] Jiang, Jiali[1]
- 机构:Chinese Acad Forestry;Virginia Tech
- 来源:DRYING TECHNOLOGY 2013
- 关键词:Chinese fir Dielectric property Heating rate Radio-frequency heating
- Studies on pre-treatment by compression for wood drying I: effects of compression ratio, compression direction and compression speed on the reduction of moisture content in wood被引量:15收藏
- 作者:Zhao, Youke[1] Wang, Zhihui[1] Iida, Ikuho[2] Huang, Rongfeng[1] Lu, Jianxiong[1]
- 机构:Chinese Acad Forestry;Kyoto Prefectural Univ
- 来源:JOURNAL OF WOOD SCIENCE 2015
- 关键词:Pre-treatment Compression Wood drying Moisture content
- Studies on pre-treatment by compression for wood drying III: the reduction of moisture content, the recovery rate, and mechanical properties of wood compressed at different moisture content conditions被引量:9收藏
- 作者:Zhao, Youke[1]
- 机构:Chinese Acad Forestry
- 来源:JOURNAL OF WOOD SCIENCE 2017
- 关键词:Pre-treatment Compression Moisture content Recovery rate Mechanical properties
- Studies on pre-treatment by compression for wood drying II: effects of compression ratio, compression direction and compression speed on the recovery rate and mechanical properties of wood被引量:8收藏
- 作者:Zhao, Youke[1] Wang, Zhihui[1] Iida, Ikuho[2] Huang, Rongfeng[1] Lu, Jianxiong[1]
- 机构:Chinese Acad Forestry;Kyoto Prefectural Univ
- 来源:JOURNAL OF WOOD SCIENCE 2016
- 关键词:Pre-treatment Compression Recovery rate Mechanical properties
- Studies on pre-treatment by compression for wood impregnation II: the impregnation of wood compressed at different moisture content conditions被引量:7收藏
- 作者:Zhao, Youke[1,2] Zhao, Xin[2] Iida, Ikuho[3] Guo, Juan[2]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Kyoto Prefectural Univ
- 来源:JOURNAL OF WOOD SCIENCE 2019
- 关键词:Pre-treatment Compression Moisture content Wood impregnation
- 毛乌素沙地杨树年轮结构对气候因子的响应被引量:7收藏
- 作者:黄荣凤[1] 古川郁夫[2] 鲍甫成[1] 赵有科[1]
- 机构:中国林业科学研究院木材工业研究所;日本鸟取大学农学部
- 来源:《北京林业大学学报》 2005
- 关键词:毛乌素沙地 小叶杨 北京杨 年轮结构 气候因子 响应
- 摘要:该文应用年轮气候学理论和方法对毛乌素沙地小叶杨和北京杨年轮结构的变化特征及其与月平均气温和月降水量的响应关系进行了分析.结果表明,小叶杨和北京杨的年轮宽度指数序列的变动模式很相似,但小叶杨年轮宽度指数的变动幅度比北京杨大...
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- Studies on pre-treatment by compression for wood impregnation III: effects of the solid content of low-molecular-wEIght phenol formaldehyde resin on the impregnation被引量:7收藏
- 作者:Wang, Huifang[1] Zhao, Youke[1]
- 机构:Chinese Acad Forestry
- 来源:JOURNAL OF WOOD SCIENCE 2022
- 关键词:Pre-treatment by compression Wood impregnation Phenol formaldehyde resin Solid contents WEIght gain percentage Crystallinity
- Studies on pre-treatment by compression for wood impregnation I: effects of compression ratio, compression direction, compression speed and compression-unloading place on the liquid impregnation of wood被引量:6收藏
- 作者:Zhao, Youke[1,2] Wang, Zhihui[2] Iida, Ikuho[3] Guo, Juan[2]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Kyoto Prefectural Univ
- 来源:JOURNAL OF WOOD SCIENCE 2018
- 关键词:Pre-treatment Compression Wood impregnation Penetration
- Cell Wall Property Changes of White Rot Larch during Decay Process被引量:5收藏
- 作者:Shangguan, Weiwei[1] Ren, Haiqing[1] Lv, Jianxiong[1] Fei, Benhua[2] Chen, Zhangjing[3]
- 机构:Chinese Acad Forestry;Int Ctr Bamboo & Rattan;Virginia Polytech Inst & State Univ
- 来源:BIORESOURCES 2014
- 关键词:White rot Longitudinal tensile strength Nano-indentation hardness XRD FTIR
- Bending Performance of Water Saturated White Birch and Ash Wood at 20-100 °C被引量:1收藏
- 作者:Li, Xiaoling[1] Zhao, Youke[1]
- 机构:Chinese Acad Forestry
- 来源:FORESTS 2024
- 关键词:wood bending water saturated temperature elevation plastic deformation
- Optimization of processing variables during heat treatment of oak (Quercus mongolica) wood被引量:0收藏
- 作者:Jiang, Jinghui[1] Lu, Jianxiong[1] Zhou, Yongdong[1] Huang, Rongfeng[1] Zhao, Youke[1]
- 机构: State Key Laboratory of Tree Genetics and Breeding
- 来源:Wood Science and Technology 2014
- 关键词:Oxygen - Nonlinear programming