成果/Result
- Effect of Steam Treatment on the Properties of Wood Cell Walls被引量:142收藏
- 作者:Yin, Yafang[1,3] Berglund, Lars[3] Salmen, Lennart[2,3]
- 机构:Chinese Acad Forestry;Innventia;KTH Royal Inst Technol
- 来源:BIOMACROMOLECULES 2011
- 关键词:Cells - Composite materials - Cytology - Glucose - Lignin - Steam - Wood
- Nanoscale engineering of nitrogen-doped carbon nanofiber aerogels for enhanced lithium ion storage被引量:114收藏
- 作者:Ye, Guichao[1,2] Zhu, Xiaoyi[1] Chen, Shuai[3] Li, Daohao[1] Yin, Yafang[2]
- 机构:Qingdao Univ;Chinese Acad Forestry;Chinese Acad Sci;Penn State Univ;Taiyuan Univ Technol
- 来源:JOURNAL OF MATERIALS CHEMISTRY A 2017
- 关键词:Anodes - Bamboo - Bioconversion - Carbon nanofibers - Cellulose - Doping (additives) - Ions - Lithium-ion batteries - Nitrogen - Porosity
- Effects of ultrasonic treatment during acid hydrolysis on the yield, particle size and structure of cellulose nanocrystals被引量:108收藏
- 作者:Guo, Juan[1,2] Guo, Xuxia[1] Wang, Siqun[1,3] Yin, Yafang[1,2]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Univ Tennessee
- 来源:CARBOHYDRATE POLYMERS 2016
- 关键词:Cellulose nanocrystals Ultrasonic treatment Crystal size Raman spectrum Fourier transform infrared spectra
- Changes of wood cell walls in response to hygro-mechanical steam treatment被引量:100收藏
- 作者:Guo, Juan[1] Song, Kunlin[1] Salmen, Lennart[2,3] Yin, Yafang[1,2]
- 机构:Chinese Acad Forestry;Royal Inst Technol KTH;Innventia AB
- 来源:CARBOHYDRATE POLYMERS 2015
- 关键词:Cell wall Hygro-mechanical steam treatment Earlywood Latewood Biopolymer components
- Comparison of changes in micropores and mesopores in the wood cell walls of sapwood and heartwood被引量:73收藏
- 作者:Yin, Jiangping[1,2] Song, Kunlin[1,3] Lu, Yun[1] Zhao, Guangjie[2] Yin, Yafang[1]
- 机构:Chinese Acad Forestry;Beijing Forestry Univ;Louisiana State Univ
- 来源:WOOD SCIENCE AND TECHNOLOGY 2015
- 关键词:Density functional theory - Gas adsorption - Hysteresis - Hysteresis loops - Microporosity - Pore size - Size distribution - Specific surface area - Wood preservation
- Effect of compression combined with steam treatment on the porosity, chemical compositon and cellulose crystalline structure of wood cell walls被引量:73收藏
- 作者:Yin, Jiangping[1] Yuan, Tongqi[2] Lu, Yun[1] Song, Kunlin[3] Li, Hanyin[4]
- 机构:Chinese Acad Forestry;Beijing Forestry Univ;Louisiana State Univ;Beijing Forestry Univ
- 来源:CARBOHYDRATE POLYMERS 2017
- 关键词:Compression combined with steam treatment Mesopores Cellulose Lignin Cellulose crystalline structure
- Nondestructive Testing and Evaluation of Wood: A Worldwide Research Update被引量:65收藏
- 作者:Brashaw, Brian K.[1] Bucur, Voichita[] Divos, Ferenc[2] Goncalves, Raquel[3] Lu, Jianxiong[4]
- 机构:Univ Minnesota;Univ W Hungary;Univ Estadual Campinas;Chinese Acad Forestry;CSIRO Plant Ind
- 来源:FOREST PRODUCTS JOURNAL 2009
- 关键词:Forestry
- Changes in the properties of wood cell walls during the transformation from sapwood to heartwood被引量:51收藏
- 作者:Song, Kunlin[1] Yin, Yafang[1] Salmen, Lennart[2] Xiao, Fuming[3] Jiang, Xiaomei[1]
- 机构:Chinese Acad Forestry;Innventia AB;Jiangxi Acad Forestry
- 来源:JOURNAL OF MATERIALS SCIENCE 2014
- 关键词:Activation energy - Biopolymers - Cells - Cytology - Ethylene - Ethylene glycol
- 横向振动方法评估大尺寸规格材静态抗弯弹性性质被引量:50收藏
- 作者:殷亚方[1] 吕建雄[1] 倪春[2] 任海青[1]
- 机构:中国林业科学研究院木材工业研究所;加拿大国家林产品研究院
- 来源:《北京林业大学学报》 2005
- 关键词:横向振动方法 弹性模量 规格材
- 摘要:该文通过比较大尺寸规格材动态和静态弹性模量之间的相互关系,探讨利用横向振动方法预测大尺寸板材抗弯弹性性质的可行性.根据ASTMD19899和ASTMD476196标准分别测定了加拿大针叶树商品材云杉松冷杉类大尺寸规格材(...
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- 应力波和阻抗仪技术勘查木结构立柱腐朽分布被引量:45收藏
- 作者:安源[1] 殷亚方[1] 姜笑梅[1] 周玉成[1]
- 机构:中国林业科学研究院木材工业研究所
- 来源:《建筑材料学报》 2008
- 关键词:立柱 内部腐朽 含水率 Pilodyn 二维应力波 阻抗仪
- 摘要:采用无损检测技术(NDT)勘查山海关海神庙关键承重构件立柱内部的腐朽分布.首先通过含水率测定仪和Pilodyn检测仪初步判断了立柱可能存在的腐朽特征;再利用二维应力波方法评估了立柱内部的腐朽分布,并通过比较和分析,建立了...
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- Effects of agEIng on the cell wall and its hygroscopicity of wood in ancient timber construction被引量:38收藏
- 作者:Guo, Juan[1] Zhou, Haibin[1] Stevanic, Jasna S.[2] Dong, Mengyu[1] Yu, Min[1]
- 机构:Chinese Acad Forestry;Res Inst Sweden
- 来源:WOOD SCIENCE AND TECHNOLOGY 2018
- 关键词:Cellulose - Crystallinity - Crystallites - Deterioration - Forestry - Fourier transform infrared spectroscopy - Glucose - Lignin - Moisture - Timber - Walls (structural partitions)
- Cellulose nanocrystals as water-in-oil Pickering emulsifiers via intercalative modification被引量:32收藏
- 作者:Guo, Juan[1,2] Du, Wenbo[3] Gao, Yong[3] Cao, Yuan[4] Yin, Yafang[1,2]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Xiangtan Univ;Chinese Acad Forestry
- 来源:COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 2017
- 关键词:Cellulose nanocrystals Intercalative modification Pickering emulsion Degree of substitution Hydroxyl group
- The influence of thermo-hygro-mechanical treatment on the micro- and nanoscale architecture of wood cell walls using small- and wide-angle X-ray scattering被引量:30收藏
- 作者:Guo, Juan[1] Rennhofer, Harald[2] Yin, Yafang[1] Lichtenegger, Helga C.[2]
- 机构:Chinese Acad Forestry;Univ Nat Resources & Life Sci BOKU
- 来源:CELLULOSE 2016
- 关键词:Cellulose crystallites Compression combined with steam treatment Small-angle X-ray scattering Wide-angle X-ray scattering Earlywood Latewood
- 沙棘材解剖及物理力学性质的研究被引量:28收藏
- 作者:刘晓丽[1] 王喜明[2] 姜笑梅[1] 殷亚方[1]
- 机构:中国林业科学研究院木材工业研究所;内蒙古农业大学林业工程学院
- 来源:《北京林业大学学报》 2004
- 关键词:沙棘材 构造 纤维形态 组织比量 物理力学性质
- 摘要:该文借助扫描电子显微镜首次对沙棘材的显微构造进行了详细的观察和分析 ,着重应用定量解剖学和显微图像分析技术 ,研究了沙棘材的解剖特征及沿径向的变异规律 ,并参照国家标准对沙棘材的物理力学性质进行了测定 .研究结果表明 :...
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- Mechanical properties assessment of Cunninghamia lanceolata plantation wood with three acoustic-based nondestructive methods被引量:27收藏
- 作者:Yin, Yafang[1] Nagao, Hirofumi[2] Liu, Xiaoli[1,3] Nakai, Takashi[4]
- 机构:Chinese Acad Forestry;Forestry & Forest Prod Res Inst;Beijing Museum Nat Hist;Chinese Acad Forestry
- 来源:JOURNAL OF WOOD SCIENCE 2010
- 关键词:Nondestructive method Modulus of elasticity Modulus of rupture Compressive strength parallel-to-grain Cunninghamia lanceolata plantation
- 3种无损检测方法评估巨尾桉木材抗弯和抗压强度性质被引量:25收藏
- 作者:罗彬[1,2] 殷亚方[1] 姜笑梅[1] 骆秀琴[1] 刘波[1,3]
- 机构:中国林业科学研究院木材工业研究所;江西农业大学园林与艺术学院;国际竹藤网络中心
- 来源:《北京林业大学学报》 2008
- 关键词:巨尾桉 人工林 无损检测 抗弯弹性模量 抗弯强度 顺纹抗压强度
- 摘要:为探讨不同无损检测方法评估木材强度性质的可行性及可靠性,该文分别运用纵向基频振动、超声波和应力波3种无损检测方法,对由广西东门林场采集的34株14年生巨尾桉人工林加工的191个无疵小试样进行了抗弯和抗压强度性质预测。首先...
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- Sustainable Route for Molecularly Thin Cellulose Nanoribbons and Derived Nitrogen-Doped Carbon Electrocatalysts被引量:25收藏
- 作者:Lu, Yun[1,3] Ye, Guichao[1,2] She, Xilin[2] Wang, Siqun[1,4] Yang, Dongjiang[2,5,6]
- 机构:Chinese Acad Forestry;Qingdao Univ;Northeast Forestry Univ;Univ Tennessee;Griffith Univ
- 来源:ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2017
- 关键词:Cellulose TEMPO Nanoribbons Oxygen reduction Zn-air battery
- Hygroscopicity of Waterlogged Archaeological Wood from Xiaobaijiao No.1 Shipwreck Related to Its Deterioration State被引量:24收藏
- 作者:Han, Liuyang[1,2] Guo, Juan[1,2] Wang, Kun[3] Gronquist, Philippe[4,5] Li, Ren[1,2]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Beijing Forestry Univ;Swiss Fed Inst Technol;Empa
- 来源:POLYMERS 2020
- 关键词:morphological structure sorption behavior sorption fitting model compositional analysis hydroxyl accessibility
- Pilodyn方法评估阔叶树种人工林立木的基本密度被引量:23收藏
- 作者:殷亚方[1] 王莉娟[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》 2008
- 关键词:Pilodyn方法 阔叶树种人工林 立木 基本密度
- 摘要:该文采用Pilodyn设备评估立木的基本密度,以建立一种快速准确预测立木基本密度的方法。首先以我国种植的I-72杨、粗皮桉、尾巨桉和尾叶桉等4种阔叶树种人工林为研究对象,选择立木胸高位置处南北向进行Pilodyn测试,然...
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- Evaluation of the Deterioration State of Archaeological Wooden Artifacts: A Nondestructive Protocol based on Direct Analysis in Real Time - Mass Spectrometry (DART-MS) Coupled to Chemometrics被引量:21收藏
- 作者:Guo, Juan[1] Zhang, Maomao[1] Liu, Jian'an[2] Luo, Rupeng[2] Yan, Tingting[1]
- 机构:Chinese Acad Forestry;Zhejiang Prov Inst Cultural Rel & Archaeol;Chengdu Inst Cultural Rel & Archaeol
- 来源:ANALYTICAL CHEMISTRY 2020
- 关键词:Dimers - Discriminant analysis - Ions - Least squares approximations - Lignin - Mass spectrometry - Wood preservation
- 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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- Evaluation of PEG and sugars consolidated fragile waterlogged archaeological wood using nanoindentation and ATR-FTIR imaging被引量:15收藏
- 作者:Han, Liuyang[1,2,3] Guo, Juan[2,3] Tian, Xingling[4] Jiang, Xiaomei[2,3] Yin, Yafang[2,3]
- 机构:Univ Sci & Technol Beijing;Chinese Acad Forestry;Wood Collect Chinese Acad Forestry;Chinese Acad Cultural Heritage
- 来源:INTERNATIONAL BIODETERIORATION & BIODEGRADATION 2022
- 关键词:Waterlogged archaeological wood Micromechanical property Morphological structure Thermogravimetric analysis The Xiaobaijiao I shipwreck
- Timber species identification from chemical fingerprints using direct analysis in real time (DART) coupled to Fourier transform ion cyclotron resonance mass spectrometry (FTICR-MS): comparison of wood samples subjected to different treatments被引量:14收藏
- 作者:Zhang, Maomao[1,2,3] Zhao, Guangjie[3] Guo, Juan[1,2] Wiedenhoeft, Alex C.[4,5] Liu, Charles C.[6]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Beijing Forestry Univ;US Forest Serv;Univ Wisconsin
- 来源:HOLZFORSCHUNG 2019
- 关键词:air-dried wood chips DART-FTICR-MS metabolomics analysis OPLS-DA species-level wood identification
- 两种无损检测法评估人工林杉木抗弯性质被引量:12收藏
- 作者:张训亚[1] 殷亚方[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:《建筑材料学报》 2010
- 关键词:人工林杉木 无损检测 动态弹性模量 静态抗弯弹性模量 抗弯强度
- 摘要:用超声波法和纵向共振法分别测量了气干人工林杉木无疵小试样的动态弹性模量(E_(us),E_(fr)),根据GB 1936.2—2009和GB 1936.1—2009分别测量了其静态抗弯弹性模量(E_(st))和抗弯强度(...
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- 人工林尾巨桉树木表面轴向生长应变被引量:12收藏
- 作者:刘晓丽[1] 姜笑梅[1] 殷亚方[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:应变片法 人工林尾巨桉 表面轴向生长应变
- 摘要:为评估人工林尾巨桉生长应力水平并揭示其变异情况,采用应变片法对其表面轴向生长应变进行了测试.研究表明,表面轴向生长应变为拉应变,活立木胸高处表面轴向生长应变平均值基本分布在650×10-6~1 100×10-6之间;生长...
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- 横向振动评估木结构建筑用规格材弹性性质被引量:12收藏
- 作者:周海宾[1] 任海青[1] 殷亚方[1] 胡林涓[2]
- 机构:中国林业科学研究院木材工业研究所;加拿大林产工业研究院东部实验室
- 来源:《建筑材料学报》 2007
- 关键词:横向振动 木结构建筑 规格材 弹性性质
- 摘要:经Timoshenko梁方程推导出了以自振频率为变量的自由-自由梁横向振动弯曲弹性模量和剪切弹性模量的求解方程.通过对规格材动态振动和静态弯曲测试研究,发现用这种动态测试方法对规格材弹性性质进行预测效果较好,总回归方程相...
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- 杉木目测分等规格材缺陷类型及分布的研究被引量:11收藏
- 作者:郭伟[1,2] 任海青[2] 殷亚方[2]
- 机构:国家林业局北京林业机械研究所;中国林业科学研究院木材工业研究所
- 来源:《建筑材料学报》 2009
- 关键词:目测分等 人工林杉木 规格材 降等缺陷
- 摘要:采用加拿大分等规则(NLGA),分别对安徽、湖南、四川、福建所出产的横截面尺寸为45mm×90mm,总计1581根人工林杉木规格材外观质量进行评估。研究表明:各产地杉木规格材分等结果略有不同,节子、钝棱、漏刨、腐朽、斜纹...
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- Thermoporometry of waterlogged archaeological wood: Insights into the change of pore traits after the water-removal by supercritical drying被引量:8收藏
- 作者:Guo, Juan[1] Chen, Jiabao[1] Li, Ren[1] Liu, Jian'an[2] Luo, Rupeng[2]
- 机构:Chinese Acad Forestry;Zhejiang Prov Inst Cultural Rel & Archaeol
- 来源:THERMOCHIMICA ACTA 2022
- 关键词:Archaeological wood Pore Water-removal DSC thermoporosimetry N-2 adsorption Mercury porosimetry
- Cellulose nanocrystals: A layered host candidate for fabricating intercalated nanocomposites被引量:8收藏
- 作者:Guo, Juan[1,2] Du, Wenbo[3] Wang, Siqun[1,4] Yin, Yafang[1,2] Gao, Yong[3]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Xiangtan Univ;Univ Tennessee
- 来源:CARBOHYDRATE POLYMERS 2017
- 关键词:Cellulose nanocrystals Intercalation X-ray diffraction Molecular structure Thermal properties
- Non-destructive preservation state estimation of waterlogged archaeological wooden artifacts被引量:7收藏
- 作者:Chen, Jiabao[1,2] Liu, Shoujia[1,2] Yin, Lijuan[1,2] Cao, Huimin[1] Xi, Guanglan[3,4]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Natl Ctr Archaeol;Univ Sci & Technol Beijing;Zhejiang Prov Inst Cultural Rel & Archaeol
- 来源:SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023
- 关键词:Waterlogged archaeological wood NIR Preservation state Softwood Hardwood Non-destructive