最新刊期
      期 0 ， 2020

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      • QIAN Xiao-yu
        Vol. 25, Issue 1, Pages: 1-5(2011) DOI: 10.19455/j.mcgy.2011.01.001
        摘要：The author reviewed the progress of the Chinese panel industry during the national Eleventh Five-Year（2006 to 2010） Plan period.The author also presented her own perspective about Chinese wood-based panel industry in the coming Twelfth Five-Year Plan Period（2011 to 2015）.It was expected the Chinese wood panel industry would focus on enhancement of manufacturing capacity,reduction of carbon emission,development of environmental friendly product,and sustainability.  
        关键词：Twelfth Five-Year Plan;wood-based panel;sustainability development;Market   
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      • YU Wen-ji
        Vol. 25, Issue 1, Pages: 6-8(2011) DOI: 10.19455/j.mcgy.2011.01.002
        摘要：The author reviewed the history of the Chinese bamboo-based panel industry and presented a new technology for making a bamboo-fiber based composite that was developed at the Chinese Research Institute of Wood Industry.This technology used whole bamboo culms as a manufacturing unit and overcame the bonding problems for outer and inner bamboo culms that improved the bamboo use efficiency to exceed 90%.  
        关键词：China;bamboo;bamboo-based panel;composite   
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        Research & Development

      • LI Zhi-qiang,JIANG Ming-liang
        Vol. 25, Issue 1, Pages: 9-11(2011) DOI: 10.19455/j.mcgy.2011.01.003
        摘要：Water-insoluble inorganic borates with different formulations were prepared through the aqueous double decomposition reaction and used to treat wood samples in this study.The leaching rates of boron from the samples under different inorganic borate formulations were determined according to the American Wood Protection Association standard of AWPA E11-06.The results showed that boron leaching rates from different formulations were considerably different.For water-soluble borates,boron leaching rates from treated samples were between 83.2% and 96.8%.However,the organic solvent-based oleic acid treated samples only showed a 2.7% boron leaching rate.  
        关键词：zinc borate;copper borate;calcium borate;double decomposition reaction;leachability   
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      • LONG Ling,LI Guang-rong,ZHOU Yu-cheng
        Vol. 25, Issue 1, Pages: 12-15(2011) DOI: 10.19455/j.mcgy.2011.01.004
        摘要：Four pieces of furniture,with a 62.9 m2 total surface area,were placed in a 30 m3 environmental chamber for two weeks.Formaldehyde and other volatile organic compounds were analyzed using high performance liquid chromatography（HPLC） and gas chromatography（GC）.The results showed that both formaldehyde and total volatile organic compound emissions from furniture exceeded the Chinese standards of GB 18883-2002 and GB 50325-2001.It was also noticed that formaldehyde accounted for 88% weight of the total volatile organic compounds.  
        关键词：total volatile organic compounds（TVOC）;full-scale chamber;gas chromatography（GC）;high-performance liquid chromatography（HPLC）;formaldehyde emission   
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      • LIU Xing-yu,HUANG Rong-feng,LV Jian-xiong
        Vol. 25, Issue 1, Pages: 16-18(2011) DOI: 10.19455/j.mcgy.2011.01.005
        摘要：Decay resistance and mechanical properties of heat treated Mongolian Scotch Pine,Dahurese Larch,and Beach Shore Pine solid wood samples were studied.Heat treatment temperatures ranged from 180 to 230 ℃ and the treatment duration ranged from 1 to 3 hours.The results indicated that higher temperature and longer time improved sample decay resistance.However,when compared to the untreated wood,the heat treated samples had increased mechanical properties at lower temperatures and then deteriorated under higher temperatures and prolonged duration.  
        关键词：heat-treatment;softwood;natural durability;mechanical properties   
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        Discussion & Suggestion

      • ZHU Dian-xiang,LI Shao-cheng
        Vol. 25, Issue 1, Pages: 19-22(2011) DOI: 10.19455/j.mcgy.2011.01.006
        摘要：The latest development of different veneer manufacturing machines was summarized.Working principles and characteristics of the veneer peeling combination machine with chuck and spindleless were presented.The authors also described the performance of the main machines of production line,such as continuous roller pressing veneer drying machine,mess-roller combined veneer drying machine as well as veneer slope milling and jointing machines.  
        关键词：veneer;peeling;continuous roller pressing;veneer drying;mess-roller;veneer jointing;plywood   
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      • ZHOU Yong-dong1,Grigory Torgovnikov2,Peter Vinden2,FU Feng1
        Vol. 25, Issue 1, Pages: 23-25(2011) DOI: 10.19455/j.mcgy.2011.01.007
        摘要：Drying time of hardwood can be remarkably shortened by microwave（MW） pretreatment.Wood degradation with MW pretreatment,compared with a traditional long seasoning process,was decreased and high quality timber yield was increased.A cost-effective analysis showed that the MW pretreatment was about 4.1% to 4.9% of the price of low quality dried lumber,or 2.3% to 2.8% of high quality lumber.  
        关键词：Microwave;pretreatment;wood drying;permeability;Australia;eucalyptus   
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      • ZHANG Shuang-yan1,FEI Ben-hua2,TAO Ren-zhong3
        Vol. 25, Issue 1, Pages: 26-29(2011) DOI: 10.19455/j.mcgy.2011.01.008
        摘要：This paper reviewed the latest status of development,standardization,and research on container floorings.The authors also analyzed the process and performance of this product and expect bamboo container floorings will play a key role in China’s container flooring market.  
        关键词：Container flooring;bamboo   
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      • YIN Jiang-ping,ZHAO Guang-jie
        Vol. 25, Issue 1, Pages: 30-33(2011) DOI: 10.19455/j.mcgy.2011.01.009
        摘要：The progresses of development and application of lignin-based carbon fiber in China and abroad are summarized in this paper.Detailed preparation,pre-oxidation,carbonization,a carbon fiber spinning solution and their applications are provided.Recommendations and suggestions for future research work are also presented.  
        关键词：lignin-based carbon fiber;spinning solution;modification   
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      • QIU Zeng-chu1,ZHENG Lin-yi2,LEI Ya-fang1
        Vol. 25, Issue 1, Pages: 34-37(2011) DOI: 10.19455/j.mcgy.2011.01.010
        摘要：This article summarizes the latest cork products research and standards,both in China and abroad.It also reviews foreign and domestic cork industry history.It further analyzes the existing problems for this industry in China and presents suggestions for future development.  
        关键词：cork;international standard;composite;floor   
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        Piactical Techniques

      • XU Ying,ZHANG Qi-sheng,ZHANG Xin,LIU Xin
        Vol. 25, Issue 1, Pages: 38-40(2011) DOI: 10.19455/j.mcgy.2011.01.012
        摘要：Wastewater from medium density fiberboard production was treated using magnetic coagulation technology with aluminium polychloride,polyacrylamide,and magnetic particles.The chemical oxygen demand（COD） removal efficiency of the magnetic coagulation method reached to 88.03%,which was improved by about 52.25% when compared to a sole coagulation technology.The suspended solid removal rate was 98.91%,which was about a 4% improvement.The color removal rate was 98.01%,which was improved by 3%.  
        关键词：MDF waste water;magnetic coagulation（MC）;nano magnetic;coagulation;chemical oxygen demand（COD）   
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      • PAN Xue-biao,GAO Jian-min,YI Song-lin,ZHANG Bi-guang,WANG Tian-long
        Vol. 25, Issue 1, Pages: 41-43(2011) DOI: 10.19455/j.mcgy.2011.01.013
        摘要：A new type of solar drying kiln,equipped with paraffin pipes to store energy,was developed in this study.The authors conducted a series of experiments to investigate the effect of solar drying kiln temperature and humidity on the lumber drying rate and temperature gradient.They found that the lumber drying rates should be changed according to the change of the solar drying kiln temperature and humidity.They suggested to control the drying speed as the kiln temperature increased and to speed up the drying rate when the kiln temperature was decreased.  
        关键词：solar energy;Poplar;Drying technology   
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      • MA Xing-xia,JIANG Ming-liang,WU Yu-zhang,LV Hui-mei
        Vol. 25, Issue 1, Pages: 44-46(2011) DOI: 10.19455/j.mcgy.2011.01.015
        摘要：Heat-treated Pinus sylvestris resistance against mould,fungi stain and termite attack was tested in our laboratory and the durability towards rot-fungi and termites was evaluated with our field test.The results showed that the heat-treated Pinus sylvestris did not resist mildew,termites,and blue-stain fungus.The two-and-half year field tests in Guangzhou showed the control samples decay resistance to be at the zero classification while the heat-treated wood was at the 9.5 classification.However,the classification rating for termite resistance was only two for the heat-treated samples.  
        关键词：Pinus sylvestris;durability;decay inhibition;mold inhibition;termite resistance   
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      • WANG Yun-fei1,LIU Sheng-quan2,ZHOU Yue1,YU Wen-ji1
        Vol. 25, Issue 1, Pages: 47-49(2011) DOI: 10.19455/j.mcgy.2011.01.016
        摘要：The authors studied how pH value and buffer capacity of different waste wood powders affected ureaformaldehyde（UF） resin curing behavior.Exothermic peak temperatures in the differential scanning calorimetry spectrum clearly showed the effect of different wood powders on the curing temperature of UF resin.  
        关键词：waste wood;UF resin;curing agent;buffer capacity   
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