最新刊期
      期 0 ， 2020

        Research & Development

      • WANG Ge1,FEI Ben-hua2,XU Lan-ying3,LIN Li-min3,WANG Zi-yi4
        Issue 6, Pages: 1-3(2007) DOI: 10.19455/j.mcgy.2007.06.001
        摘要：The structural design and theoretical calculations for heat preservation / insulation for a composite wall were described in this paper.The results showed that the properties of the wall,which was composed of larch plywood sheathing,cement,heat preservation / insulation material and plasterboard,can meet the Chinese standards for 24 mm or thicker polystyrene foam insulation.  
        关键词：Larch plywood;composite wall;polystyrene foaming material;heating preservation/insulation   
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        发布时间：2021-02-08
      • HAN Jian
        Issue 6, Pages: 4-6(2007) DOI: 10.19455/j.mcgy.2007.06.002
        摘要：Based on the results from a previous study on modified Melamine-formaldehyde resin（MF）,the author used the information to manufacture bamboo curtain plywood.The optimum technological parameters obtained were: 140 ℃ press temperature,2.6 MPa board pressure,and pressing time of 70 s/mm.Under these conditions,the mechanical properties of the plywood could meet the requirements of industrial standard,JG/T 156-2004.  
        关键词：modified MF resin;bamboo curtain plywood;manufacturing technology   
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        发布时间：2021-02-08
      • Issue 6, Pages: 7-9(2007) DOI: 10.19455/j.mcgy.2007.06.003
        摘要：In this article,the authors studied the hydrating characteristics of mixing Salix psammophila particles and cement.They analyzed the influence of cold water,hot water and chemical modification treatment on hydrating characteristics.The results showed that Salix psammophila is a wood species which can dramatically retard the set-up time of cement.However,by adding some chemicals after treatment with cold water and hot water,Salix psammophila particles could be used to produce cement particleboard.  
        关键词：Salix psammophila;cement;additive;Cement particleboard;compatibility   
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        发布时间：2021-02-08
      • HUANG Ze-en1,KEVIN Maher2,SAM Amartey3
        Issue 6, Pages: 10-12(2007) DOI: 10.19455/j.mcgy.2007.06.004
        摘要：The Ghanaian wood dahoma（Piptadeniastrum africanum）,which has been treated with four heat-treatment methods to effectively reduce its unpleasant smell,could be used as an alternative to the precious traditional commercial species iroko（Chlorophora excelsa）.Following heat treatments,there were few changes in the average weight loss and in the natural durability when the treated wood was subjected to the white-rot fungus Coriolus versicolor for 12 weeks.Furthermore,the decay resistance was increased with two heat-treatments and the natural durability was therefore improved from class 2 to class 1.  
        关键词：heat-treatment;natural durability;Piptadeniastrum africanum;Ghanaian;wood   
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        发布时间：2021-02-08

        Research Bulletin

      • SUN Yao-xing1,LIU Yi-xing2
        Issue 6, Pages: 13-16(2007) DOI: 10.19455/j.mcgy.2007.06.005
        摘要：The timber of Populus ussuriensis Kom.was compressed transversely by rollers under several conditions of compression ratios from 10% to 50%.Comparing the density and shrinkage rate between compressed and uncompressed samples,the results showed that the density of compressed sample increased with the rise of the compression ratio and less than 5% without relation to the compression direction.The shrinkage coefficients of compressed sample increased gradually with the increase of the compression rate while the coefficients of shrinkage of tangential compression increased more than that of radial compression.The range of all shrinkage rates was from-3.448% to 23.678%.  
        关键词：roller-compression process;Compression ratio;wood density;shrinkage coefficient   
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        发布时间：2021-02-08
      • WEI Xin-li,XIANG Shi-long,ZHOU Wei-hong
        Issue 6, Pages: 17-19(2007) DOI: 10.19455/j.mcgy.2007.06.006
        摘要：Cork is a unique material which has many excellent physical properties including low density,good acoustic absorbency,low thermo-conductivity,high elasticity and acid resistance.But,there are some differences in chemical composition among cork timbers from different geographical areas that could significantly influence their utilization in many industrial fields.The authors analyzed the chemical composition of cork sampled from three growing sites in China and abroad,which are helpful for better utilization of cork resources.  
        关键词：cork;chemical composition;properties   
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        发布时间：2021-02-08

        Discussion & Suggestion

      • ZHU Jian-gang
        Issue 6, Pages: 20-22(2007) DOI: 10.19455/j.mcgy.2007.06.007
        摘要：The author first describes the importance and necessity of utilizing Technology Transfer in China ’s furniture industry.He then reviews the influx of foreign investment in China ’s furniture companies and analyzes the resulting problems.Finally,he makes some suggestions for encouraging expanded use of Technology Transfer for China ’s furniture industry.  
        关键词：technology transfer;furniture industry;suggestions   
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        发布时间：2021-02-08
      • OUYANG Yong-jiang1,HU Chuan-shuang2,LI Chong-gen2,LIAO Hong-xia2,GUO Qiong2
        Issue 6, Pages: 23-26(2007) DOI: 10.19455/j.mcgy.2007.06.008
        摘要：The social and marketing background of the global furniture industry and its business-operational patterns are analyzed in this paper.The following factors governing quality control procedures（QCP） for the furniture industry were studied: personnel,material,equipment,and methods of management.The method to build a smooth and controllable QCP in a furniture manufacturing facility is to use the 4M1E methodology,i.e.,men,materials,machines,method,and environment.The management of the furniture QCP is a working system that considers different industries,manufacturers,and organizations and controls the very individual nodes within the QCP.  
        关键词：furniture;supply chain;quality control procedure（QCP）;globalization   
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        发布时间：2021-02-08
      • SANDOZ Jean Luc1,YIN Ya-fang2,BENOIT Y1,JIANG Xiao-mei2
        Issue 6, Pages: 27-30(2007) DOI: 10.19455/j.mcgy.2007.06.009
        摘要：In order to design efficient timber structures by using an advanced reliability concept,timber material has to be graded for a specific strength class based on both MOE and σb values.An acousto-ultrasonic grading method has been developed as an upgrading of the stress wave ultrasonic technique.The basic non-destructive variables are the speed of the low frequency wave,and the transmitted energy in the time domain.Based on these two technical data,MOE and σb can be evaluated with a very good correlation.  
        关键词：lumber grading;acousto-ultrasonic measurement;Non-destructive evaluation   
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        发布时间：2021-02-08
      • SU Hai-tao,ZHANG Yan-jun,LIU Lei
        Issue 6, Pages: 31-33(2007) DOI: 10.19455/j.mcgy.2007.06.010
        摘要：The authors analyzed the problems existing in some wood preservation plants in China such as plant design,equipment installation,product quality control,production process,safety production and environmental protection.Some suggestions were then made for solving the problems that had been identified.  
        关键词：Wood preservation;plant;Problem;suggestion   
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        发布时间：2021-02-08
      • DAI Xiang-dong,ZENG Xian,LI Min-xiu,Nobuaki Hattori
        Issue 6, Pages: 34-36(2007) DOI: 10.19455/j.mcgy.2007.06.011
        摘要：Influenced by wood structure architecture,the structures of Chinese and Japanese traditional furniture are mainly of mortise and tenon joints.While reflecting the skill of Chinese craftsmen in using hardwoods,the Chinese furniture industry is richer and has many more types of mortise and tenons.The structural forms of traditional furniture using mortise and tenons are more complicated and of a higher level of construction than that of Japanese furniture.  
        关键词：China;Japan;traditional furniture;joint;structure   
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        发布时间：2021-02-08

        Piactical Techniques

      • SONG Xiao-zhou
        Issue 6, Pages: 37-40(2007) DOI: 10.19455/j.mcgy.2007.06.012
        摘要：Processing technology of reconsolidated cotton-stalks were studied in this paper.The results showed that the optimum softening process for the stalks was to boil them for 3 hours.Density,glue spread rate and water repellent had obvious influences on the properties of this reconsolidated material.  
        关键词：reconsolidated cotton-stalk;softening process;processing technology   
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        发布时间：2021-02-08
      • WU Jia-chen1,HOU Shi-tuo1,LI Hua2,LIU Xiu-ying2
        Issue 6, Pages: 41-43(2007) DOI: 10.19455/j.mcgy.2007.06.013
        摘要：The repair and replacement of the wood components in ancient buildings is one of the main aims of ancient architectural repair.The problem of wood material storage,for wood that is in need of repair,is an urgent one requiring a solution This paper discusses the problem,and solution,of choosing wood material and the storage of logs from ancient wooden structures that need repair.As the zone of concern expands and complex climate conditions are encountered,more species are found that are at great risk.The protective treatment processes for log storage will change with the change in conditions.  
        关键词：log storage;insects;decay;antisepsis and anti-insect treatment   
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        发布时间：2021-02-08

        Practical Techniques

      • LONG Chao,HAO Bing-ye,LIU Wen-bin,LEI De-ding
        Issue 6, Pages: 44-46(2007) DOI: 10.19455/j.mcgy.2007.06.014
        摘要：The authors analyzed the problems existing in the process of the heat-treated wood and described a new approach to improve its dimensional stability and bio-durability in this paper.They described the technological developments of the new approach and the potential applications where it can be used.  
        关键词：heat-treated wood;technical solutions;prospect   
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        发布时间：2021-02-08
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