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作者: Ming Cao;Taohong Li;Jiankun Liang;Guanben Du (The Yunnan Province Key Lab of Wood Adhesives and Glued Products, Southwest Forestry University, Kunming 650224, ChinaThe Yunnan Province Key Lab of Wood Adhesives and Glued Products, Southwest Forestry University, Kunming 650224, ChinaThe Yunnan Province Key Lab of Wood Adhesives and Glued Products, Southwest Forestry University, Kunming 650224, ChinaThe Yunnan Province Key Lab of Wood Adhesives and Glued Products, Southwest Forestry University, Kunming 650224, China)

出处: Polymers 2017 P

关键词: co-condensation;melamine-dimethylurea-formaldehyde;13C-NMR

摘要: 1,3-dimethylurea (DMU) was used to mimic urea and to model melamine-urea-formaldehyde (MUF) co-condensation reactions. The products of 1,3-dimethylure ...

作者: Zhigang Wu;Xuedong Xi;Hong Lei;Guanben Du (Yunnan Provincial Key Laboratory of Wood Adhesives and Glued Products, Southwest Forestry University, Kunming 650224, Yunnan, ChinaYunnan Provincial Key Laboratory of Wood Adhesives and Glued Products, Southwest Forestry University, Kunming 650224, Yunnan, ChinaYunnan Provincial Key Laboratory of Wood Adhesives and Glued Products, Southwest Forestry University, Kunming 650224, Yunnan, ChinaYunnan Provincial Key Laboratory of Wood Adhesives and Glued Products, Southwest Forestry University, Kunming 650224, Yunnan, China)

出处: Polymers 2017 P

关键词: soy-based adhesive;glutaraldehyde;phenol-formaldehyde;preparation procedure;crosslinking modification

摘要: To prepare a low-formaldehyde soy-based adhesive with good water resistance, phenol-formaldehyde modified with glutaraldehyde (PFG) with lower free ph ...

作者: Taohong Li;Ming Cao;Jiankun Liang;Xiaoguang Xie;Guanben Du (1 The Yunnan Province Key Lab of Wood Adhesives and Glued Products, Southwest Forestry University, Kunming 650224, China 2 Department of Chemistry, Yunnan University, Kunming 650091, China)

出处: Polymers 2017 P

关键词: phenol-formaldehyde resin;condensation;quinone methide;mechanism

摘要: The mechanisms for the base-catalyzed condensation reactions in phenol-formaldehyde resin synthesis were investigated by using the density functional ...

作者: (1 The Yunnan Province Key Lab of Wood Adhesives and Glued Products, Southwest Forestry University, Kunming 650224, China 2 Key Lab for Forest Resources Conservation and Utilisation in the Southwest Mountains of China, Southwest Forestry University, Ministry of Education, Kunming 650224, China 3 School of Chemical Science and Technology, Yunnan University, Kunming 650091, China)

出处: Polymers 2017 P

关键词: urea–formaldehyde;base-catalyzed;condensation;mechanism

摘要: Base-catalyzed urea–formaldehyde condensation reactions were investigated by using a quantum chemistry method. It was found that monomethylolurea or N ...

作者: (Southwest Forestry University)

出处: European Journal of Wood and Wood Products 2017 P

摘要: The anatomical and chemical properties of Dendrocalamus brandisii sheaths at different growth stages were investigated. Undifferentiated and different ...

作者: Taohong Li;Ming Cao;Jiankun Liang;Xiaoguang Xie;Guanben Du (1 The Yunnan Province Key Lab of Wood Adhesives and Glued Products, Southwest Forestry University, Kunming 650224, China 2 Key Lab for Forest Resources Conservation and Utilisation in the Southwest Mountains of China, Southwest Forestry University, Ministry of Education, Kunming 650224, China 3 School of Chemical Science and Technology, Yunnan University, Kunming 650091, China)

出处: Polymers 2017 P

关键词: resorcinol-formaldehyde;base-catalyzed;condensation;quinonemethide

摘要: The base-catalyzed resorcinol-formaldehyde condensation reactions were theoretically investigated in this study by employing a quantum chemistry metho ...

作者: Tie Liu;Qian Liang;Na-Na Xiong;Lin-Feng Dai;Jun-Ming Wang;Xiao-Hui Ji;Wen-Hui Xu (Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Southwest Forestry University, Kunming, P.R. ChinaKey Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Southwest Forestry University, Kunming, P.R. China; Department of Medicinal Plant, School of Forestry, Southwest Forestry University, Kunming, P.R. ChinaKey Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Southwest Forestry University, Kunming, P.R. ChinaKey Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Southwest Forestry University, Kunming, P.R. ChinaKey Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Southwest Forestry University, Kunming, P.R. China; Department of Medicinal Plant, School of Forestry, Southwest Forestry University, Kunming, P.R. ChinaDepartment of Applied Chemistry, School of Chemistry and Environment Science, Shaanxi University of Technology, Hanzhong, P.R. ChinaKey Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Southwest Forestry University, Kunming, P.R. ChinaCorrespondencewenhuix001@hotmail.comGuang-Hua XuLin-Feng DaiAmal A. Galala)

出处: Natural Product Research 2017 P

关键词: Euphorbia stracheyi;diterpenoid;ent-kaurane

摘要: The chemical investigation of whole plants Euphorbia stracheyi Boiss from China led to the isolation of one new ent-kaurane diterpene, ent-Kaurane-16β ...

作者: Xiaoping Li;Rui Xiao;Jeffery J. Morrell;Xiaojian Zhou;Guanben Du (a Yunnan Key Lab. of Wood Adhesives and Glue Products, Southwest Forestry University, Kunming, Yunnan, 650224, PR Chinab Department of Wood Science and Engineering, Oregon State University, Corvallis, OR, 97331, USAc Forestry Technology Promotion Department of Dashu Town, Chunan, Zhejiang, 311716, PR China)

出处: Industrial Crops and Products 2017 Vol.97 P465-468

关键词: Hemp;Polypropylene;Composites;Pectinase;MOR;MOE;Tensile strength

摘要: The potential for using pectinase as a pretreatment to improve the properties of hemp hurd for use in a hemp/polypropylene composite was compared with ...

作者: Chen Wengang;Xueyaun Liu;Lili Zheng (southwest forestry university kunming ChinaSouthwest Forestry University Kunming ChinaSouthwest Forestry University Kunming China)

出处: Industrial Lubrication and Tribology 2017 P

摘要: Purpose The paper aims to clarify the friction properties of 304 steel surface modification, The surface modification include laser texturing processi ...

作者: Chen Zheng;Yun Zhang;Leiguang Wang (School of Mathematics and Statistics, Henan University, Kaifeng 475000, China, and also with the Department of Geodesy and Geomatics Engineering, University of New Brunswick, Fredericton, NB E3B 5A3, Canada;Department of Geodesy and Geomatics Engineering, University of New Brunswick, Fredericton, NB E3B 5A3, Canada;School of Forestry, Southwest Forestry University, Kunming 655024, China)

出处: IEEE Transactions on Geoscience and Remote Sensing 2017 P

关键词: semantic segmentation.;Auxiliary label field;object-based Markov random field;remote sensing image

摘要: The Markov random field (MRF) model has attracted great attention in the field of image segmentation. However, most MRF-based methods fail to resolve ...

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