成果/Result
- Rapid determination of chemical composition and classification of bamboo fractions using visible-near infrared spectroscopy coupled with multivariate data analysis被引量:98收藏
- 作者:Yang, Zhong[1,2] Li, Kang[2] Zhang, Maomao[2] Xin, Donglin[3] Zhang, Junhua[3]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Northwest A&F Univ
- 来源:BIOTECHNOLOGY FOR BIOFUELS 2016
- 关键词:Bamboo Botanical fractions Quantitative analysis Qualitative classification Multivariate analysis
- PLS-DA法判别分析木材生物腐朽的研究被引量:72收藏
- 作者:杨忠[1] 任海青[1] 江泽慧[1]
- 机构:中国林业科学研究院木材工业研究所
- 来源:《光谱学与光谱分析》 2008
- 关键词:近红外光谱 PLS-DA 木材 生物腐朽 判别
- 摘要:利用近红外光谱结合PLS-DA判别分析方法可用于食品、药品和农产品等的快速识别或检测,因此,研究利用近红外光谱结合PLS-DA方法来检测木材的生物腐朽。研究结果表明:应用近红外光谱结合PLS-DA方法对培训集样本建立的判...
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- Comparison of aqueous ammonia and dilute acid pretreatment of bamboo fractions: Structure properties and enzymatic hydrolysis被引量:63收藏
- 作者:Xin, Donglin[1] Yang, Zhong[2] Liu, Feng[1] Xu, Xueru[1] Zhang, Junhua[1]
- 机构:Northwest A&F Univ;Chinese Acad Forestry
- 来源:BIORESOURCE TECHNOLOGY 2015
- 关键词:Bamboo fractions Aqueous ammonia pretreatment Dilute acid pretreatment Structure properties Enzymatic hydrolysis
- SIMCA法判别分析木材生物腐朽的研究被引量:48收藏
- 作者:杨忠[1] 江泽慧[1] 费本华[1] 覃道春[2]
- 机构:中国林业科学研究院木材工业研究所;国际竹藤网络中心
- 来源:《光谱学与光谱分析》 2007
- 关键词:近红外光谱 SIMCA PCA 木材 生物腐朽 判别
- 摘要:木材是一种生物质材料,容易受到各种微生物的危害,生物腐朽可以迅速导致木材结构的破坏,因此,对木材生物腐朽的快速、准确地检测或鉴定具有重要意义。近几年来,近红外光谱和SIMCA方法正被用于识别或检测食品、药品和农产品等研究...
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- Assessing the impact of wood decay fungi on the modulus of elasticity of slash pine (Pinus elliottii) by stress wave non-destructive testing被引量:40收藏
- 作者:Yang, Zhong[1,2] Jiang, Zhehui[2] Hse, Chung Y.[3] Liu, Ru[1,2]
- 机构: Research Institute of Forestry New Technology; Research Institute of Wood Industry; USDA Forest Service
- 来源:International Biodeterioration and Biodegradation 2017
- 关键词:Fungi - Nondestructive examination - Elastic waves - Decay (organic) - Elastic moduli
- Comparison on the Aging of Woods Exposed to Natural Sunlight and Artificial Xenon Light被引量:37收藏
- 作者:Liu, Ru[1,2] Zhu, Hanwen[2] Li, Kang[3] Yang, Zhong[1,2]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Hubei Technol Exchange
- 来源:POLYMERS 2019
- 关键词:wood species natural sunlight artificial xenon light aging
- 近红外光谱技术快速识别针叶材和阔叶材的研究被引量:35收藏
- 作者:杨忠[1] 吕斌[1] 黄安民[1] 刘亚娜[1] 谢序勤[1]
- 机构:中国林业科学研究院木材工业研究所
- 来源:《光谱学与光谱分析》 2012
- 关键词:近红外光谱 针叶材 阔叶材 识别 偏最小二乘判别分析法(PLS-DA)
- 摘要:对一种针叶材和一种阔叶材的横切面采集波长范围为780~2 500nm的近红外漫反射光谱,结合偏最小二乘判别分析法(PLS-DA)对针叶材杉木和阔叶材桉树快速识别的可行性进行了研究,结果表明:(1)利用近红外光谱结合PLS...
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- 红木的近红外光谱分析被引量:30收藏
- 作者:杨忠[1] 江泽慧[1] 吕斌[1]
- 机构:中国林业科学研究院木材工业研究所
- 来源:《光谱学与光谱分析》 2012
- 关键词:红木 近红外光谱 主成分分析
- 摘要:红木珍贵、种类多,大多数人对红木种类及真伪难以或无法鉴别。利用近红外光谱技术对国家标准中八类红木的近红外光谱进行分析,研究结果表明:(1)近红外光谱与红木色度学参数(L*,a*和b*)之间存在非常高的相关性,预测值与实测...
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- Evaluation of aqueous ammonia pretreatment for enzymatic hydrolysis of different fractions of bamboo shoot and mature bamboo被引量:27收藏
- 作者:Yang, Zhong[1] Zhang, Maomao[1] Xin, Donglin[2] Wang, Jingfeng[2] Zhang, Junhua[2]
- 机构:Chinese Acad Forestry;Northwest A&F Univ
- 来源:BIORESOURCE TECHNOLOGY 2014
- 关键词:Mature bamboo Bamboo shoots Aqueous ammonia pretreatment Enzymatic hydrolysis
- Measurement of three wood materials against weathering during long natural sunlight exposure被引量:27收藏
- 作者:Liu, Ru[1,2] Pang, Xiaoyu[1] Yang, Zhong[1,2]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry
- 来源:MEASUREMENT 2017
- 关键词:Wood Species Natural sunlight Weathering Three sections
- 近红外光谱用于杉木木材强度分等的研究被引量:25收藏
- 作者:王晓旭[1] 黄安民[2] 杨忠[2] 杨瑶[1,2]
- 机构:北京林业大学;中国林业科学研究院木材工业研究所
- 来源:《光谱学与光谱分析》 2011
- 关键词:近红外光谱 木材 分等
- 摘要:利用近红外光谱技术对木材强度分等进行了研究。选择1 000~1 400 nm波段,结合偏最小二乘法,在木材强度和近红外光谱数据间建立了校正模型,校正模型的相关系数(r)为0.89,校正标准误差(SEC)为6.30 MPa...
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- Preliminary Investigation into the Identification of Wood Species from Different Locations by Near Infrared Spectroscopy被引量:24收藏
- 作者:Yang, Zhong[1] Liu, Yana[1] Pang, Xiaoyu[1] Li, Kang[1]
- 机构:Chinese Acad Forestry
- 来源:BIORESOURCES 2015
- 关键词:Wood Identification Different locations Near-infrared spectroscopy PLS-DA
- 微波等离子体处理木材表面接枝甲基丙烯酸甲酯的XPS分析被引量:24收藏
- 作者:杨忠[1] 杜官本[2] 黄林荣[2] 张华[2]
- 机构:中国林业科学研究院木材工业研究所;西南林学院木质科学与装饰工程学院
- 来源:《林产化学与工业》 2003
- 关键词:微波等离子体 表面处理 木材 接枝共聚 甲基丙烯酸甲酯 XPS分析 X-射线光电子能谱
- 摘要: 应用X 射线光电子能谱(XPS)技术,对微波等离子体引发木材与甲基丙烯酸甲酯(MMA)发生接枝共聚反应前后的木材表面结构及物理化学特性进行了分析。分析表明:1)微波等离子体处理使木材表面O/C原子比增加,C1含量降低,...
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- 微波等离子体处理木材表面接枝甲基丙烯酸甲酯的研究被引量:22收藏
- 作者:杜官本[1] 杨忠[2] 黄林荣[1] 张玉萍[1]
- 机构:西南林学院木质科学与装饰工程学院;中国林业科学研究院木材工业研究所
- 来源:《林产化学与工业》 2003
- 关键词:微波等离子体 木材表面 甲基丙烯酸甲酯 接枝共聚 接枝率
- 摘要: 本研究通过微波等离子体处理木材表面,实现了木材表面与甲基丙烯酸甲酯(MMA)发生接枝共聚反应,研究了不同的反应条件对微波等离子体引发木材表面接枝MMA效果的影响。结果表明:1)接枝率随等离子体处理时间的增加而呈线性增加...
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- Rapid prediction of wood crystallinity in Pinus elliotii plantation wood by near-infrared spectroscopy被引量:21收藏
- 作者:Jiang, Ze-Hui[1,2] Yang, Zhong[2] So, Chi-Leung[3,4] Hse, Chung-Yun[3]
- 机构: International Center for Bamboo and Rattan; Research Institute of Wood Industry; Utilization of Southern Forest Resources; School of Renewable Natural Resources
- 来源:Journal of Wood Science 2007
- 关键词:Least squares approximations - Molecular structure - Near infrared spectroscopy - Regression analysis - X ray diffraction analysis
- 近红外光谱法分析慈竹物理力学性质的研究被引量:19收藏
- 作者:刘君良[1] 孙柏玲[1] 杨忠[1]
- 机构:中国林业科学研究院木材工业研究所
- 来源:《光谱学与光谱分析》 2011
- 关键词:近红外光谱法 反向区间偏最小二乘法 慈竹 物理力学性质
- 摘要:采用近红外光谱法对慈竹密度、抗弯强度和顺纹抗拉强度进行快速预测。利用反向区间偏最小二乘法(BiPLS)优选光谱区间,建立原始光谱和不同预处理(一阶微分、二阶微分、卷积平滑和归一化处理)光谱分析模型,同时应用偏最小二乘法(...
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- Effects of the Surface Roughness of Six Wood Species for Furniture Production on the Wettability and Bonding Quality of Coating被引量:18收藏
- 作者:Yu, Qinglin[1,2] Pan, Xi[1,2] Yang, Zhong[1,2] Zhang, Li[1,2] Cao, Jingyun[1,2]
- 机构:Chinese Acad Forestry;Natl Forestry & Grassland Adm
- 来源:FORESTS 2023
- 关键词:furniture wood surface roughness surface free energy wettability waterborne acrylic bonding quality
- Identifying Wood Based on Near-Infrared Spectra and Four Gray-Level Co-Occurrence Matrix Texture Features被引量:17收藏
- 作者:Pan, Xi[1] Li, Kang[1,2] Chen, Zhangjing[3] Yang, Zhong[1]
- 机构:Chinese Acad Forestry;Hubei Technol Exchange;Virginia Polytech Inst & State Univ
- 来源:FORESTS 2021
- 关键词:near-infrared (NIR) spectra gray-level co-occurrence matrix (GLCM) wood identification feature fusion support vector machine (SVM)
- Novel method for estimating wood fiber length using near infrared spectroscopy被引量:16收藏
- 作者:Wang, Yu-Rong[1] Fei, Ben-Hua[2] Fu, Feng[1] Jiang, Ze-Hui[1] Qin, Dao-Chun[3]
- 机构: Research Institute of Wood Industry; Beijing Forestry Machinery Research Institute; International Centre for Bamboo and Rattan
- 来源:Chung-kuo Tsao Chih/China Pulp and Paper 2008
- 关键词:Fibers - Hardwoods - Least squares approximations - Near infrared spectroscopy - Wood products
- A Multi-Scale Convolutional Neural Network Combined with a Portable Near-Infrared Spectrometer for the Rapid, Non-Destructive Identification of Wood Species被引量:13收藏
- 作者:Pan, Xi[1] Yu, Zhiming[2] Yang, Zhong[1]
- 机构:Chinese Acad Forestry;Beijing Forestry Univ
- 来源:FORESTS 2024
- 关键词:wood species identification near-infrared spectroscopy convolutional neural network machine learning feature extraction
- Effect of surface roughness on near infrared models for wood density analysis被引量:12收藏
- 作者:Liu, Yana[1] Yang, Zhong[1] Lv, Bin[1] Zhang, Maomao[1]
- 机构: Research Institute of Wood Industry
- 来源:Proceedings of 2012 International Conference on Biobase Material Science and Engineering, BMSE 2012 2012
- 关键词:Density (specific gravity) - Forecasting - Hardwoods - Infrared devices - Multivariant analysis - Near infrared spectroscopy - Wood
- 木材表面光泽度的近红外漫反射光谱技术快速测定研究被引量:12收藏
- 作者:刘亚娜[1] 杨忠[1] 吕斌[1] 张毛毛[1] 王兴华[1]
- 机构:中国林业科学研究院木材工业研究所
- 来源:《光谱学与光谱分析》 2014
- 关键词:天然高分子材料 木材 表面光泽度 近红外光谱
- 摘要:表面光泽度是天然高分子材料(如木材)及其制品的重要视觉参数之一,实现天然高分子材料及其制品表面光泽度的快速测定对其表面质量的在线控制与评价具有重要意义。为了实现近红外光谱技术对木材表面光泽度的快速测定以及拓宽近红外光谱技...
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- Identification of softwood species using convolutional neural networks and raw near-infrared spectroscopy被引量:11收藏
- 作者:Pan, Xi[1] Qiu, Jian[2] Yang, Zhong[1]
- 机构:Chinese Acad Forestry;Southwest Forestry Univ
- 来源:WOOD MATERIAL SCIENCE & ENGINEERING 0
- 关键词:Convolutional neural network (CNN) near-infrared (NIR) spectroscopy spectroscopy preprocessing wood species identification
- The relationship between near infrared spectroscopy and surface color of EIght rosewoods被引量:11收藏
- 作者:Yang, Zhong[1] Lv, Bin[1] Fu, Yuejin[1]
- 机构: Research Institute of Wood Industry
- 来源:Advanced Materials Research 2012
- 关键词:Infrared devices - Color - Near infrared spectroscopy - Wood - Least squares approximations - Multivariant analysis
- A deep learning multimodal fusion framework for wood species identification using near-infrared spectroscopy GADF and RGB image被引量:9收藏
- 作者:Pan, Xi[1,2,3] Yu, Zhiming[4] Yang, Zhong[1,2]
- 机构:Chinese Acad Forestry;Natl Forestry & Grassland Adm;Beijing Forestry Univ;Beijing Forestry Univ
- 来源:HOLZFORSCHUNG 2023
- 关键词:convolutional neural networks (CNN) data fusion near-infrared (NIR) spectroscopy RGB image wood species identification
- Rapid Detection of Knot Defects on Wood Surface by Near Infrared Spectroscopy Coupled with Partial Least Squares Discriminant Analysis被引量:8收藏
- 作者:Yang, Zhong[1] Zhang, Maomao[1] Li, Kang[1] Chen, Ling[1]
- 机构:Chinese Acad Forestry
- 来源:BIORESOURCES 2016
- 关键词:Rapid detection Knot defects Wood surface Near infrared spectroscopy Partial least squares discriminant analysis (PLS-DA)
- Identification of Five Similar Cinnamomum Wood Species Using Portable Near-Infrared Spectroscopy被引量:7收藏
- 作者:Pan, Xi[1] Qiu, Jian[2] Yang, Zhong[1]
- 机构:Chinese Acad Forestry;Southwest Forestry Univ
- 来源:SPECTROSCOPY 2022
- 基于近红外光谱与误差反向传播神经网络技术的三种人工林木材识别研究被引量:7收藏
- 作者:庞晓宇[1,2] 杨忠[1,2] 吕斌[2] 贾东宇[2]
- 机构:中国林业科学研究院林业新技术研究所;中国林业科学研究院木材工业研究所
- 来源:《光谱学与光谱分析》 2016
- 关键词:BP网络 近红外光谱 SIMCA 分类 尾叶桉、马尾松、南方无性系I-72杨
- 摘要:利用近红外光谱结合误差反向传播神经网络(BP)对三种人工林木材(尾叶桉、马尾松、南方无性系I-72杨)进行识别,探讨隐含层神经元个数、光谱预处理方法、光谱范围对BP网络模型的影响,并与SIMCA法所建模型做比较。结果表明...
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- Correlation of Near Infrared Spectroscopy Measurements with the Surface Roughness of Wood被引量:7收藏
- 作者:Zhang, Maomao[1] Liu, Yana[1] Yang, Zhong[1]
- 机构:Chinese Acad Forestry
- 来源:BIORESOURCES 2015
- 关键词:Wood Surface roughness Near infrared spectroscopy Correlation
- Rapid classification of softwood and hardwood by near infrared spectroscopy of wood tangential section被引量:6收藏
- 作者:Yang, Zhong[1] Liu, Ya Na[1] Lv, Bin[1] Xie, Xu Qin[1]
- 机构: Research Institute of Wood Industry
- 来源:Applied Mechanics and Materials 2012
- 关键词:Hardwoods - Infrared devices - Softwoods
