最新刊期
      期 0 ， 2020
      • WANG Kai,GUANG Ning
        Issue 1, Pages: 3-5(2002) DOI: 10.19455/j.mcgy.2002.01.001
        摘要：The urgent transfer of the timber supply in China from natural forest to plantations needs a strong technical support. Discussed in this paper are its main objectives, some important viewpoints worth taking into account and a suggestion of launching a large scale research and development project for building this support.  
        关键词：wood;Resources;Transfer;Natural forest;Plantations;Technical support   
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        发布时间：2021-02-08
      • YE Ke lin
        Issue 1, Pages: 6-9(2002) DOI: 10.19455/j.mcgy.2002.01.002
        摘要：This paper briefly introduced World Trade Organization （WTO） as well as the basic rights and relevant obligations that China should take after China’s access in WTO. It also analyzed the current strength and weakness of the industry and the opportunities and threat that the industry may face after China’s entry into WTO. Countermeasures that the industry should take into consideration were also recommended.  
        关键词：WTO;China;wood industry   
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        发布时间：2021-02-08
      • LI Ao fu
        Issue 1, Pages: 10-12(2002) DOI: 10.19455/j.mcgy.2002.01.003
        摘要：In this paper, the author discusses the policy problems of wood material supplies in wood based panel industry in China, especially when China joins WTO. To ensure developing Chinese wood industry healthily and sustainably, some suggestions for macro policy are put forward, such as setting up forest bases for raw materials supply; reducing or remitting agricultural native products taxes on logs and some other taxes on logging residues, inferior wood and fuel wood; strengthening trade administration and implementing national quality standards of wood based products strictly.  
        关键词：Wood based panel industry;Tax revenue;Trade administration   
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        发布时间：2021-02-08
      • ZHU Zheng xian 1,WANG Li yu 2
        Issue 1, Pages: 13-16(2002) DOI: 10.19455/j.mcgy.2002.01.004
        摘要：In this paper, the author enumerated numerous facts of technical confusions in the market of wood drying equipment in China and then pointed out the scientific basis for technical specification, approached correct guides in terms of technology and system innovation, wood drying methods, wood species, drying equipment, drying technology and accessory system.  
        关键词：Wood drying equipment;Technical specification;Correct guide   
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        发布时间：2021-02-08
      • ZHANG Yang
        Issue 1, Pages: 17-19(2002) DOI: 10.19455/j.mcgy.2002.01.005
        摘要：The waterproof property of wheat straw particleboard, bonded with adhesive which mixed by methane diisocyanate （MDI） and urea formaldehyde （UF） resin in different proportion, was researched in this paper. The result showed that waterproof property of the board was improved in a gradually slow way with increasing the ratio of MDI in adhesive. In a certain range, the thickness swelling would decrease with increased density of the board.  
        关键词：Wheat straw particleboard;thickness swelling;Waterproof property   
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        发布时间：2021-02-08
      • Issue 1, Pages: 20-22(2002) DOI: 10.19455/j.mcgy.2002.01.006
        摘要：The plantation wood of Pinus taeda was compressed on the surface with a new improved treatment technology. Results showed that with the increase of modified methane diisocyanate concentration, the increase of weight percent gain （ WPG ） and the decrease of thickness swelling and compressive deformation recovery efficiency were remarkably. The modulus of rupture （MOR） and modulus of elasticity （MOE） properties of surface compressive wood were increasedby 43.9% and 30.1% compared with the control specimen respectively. Surface compressed wood had much improved fire retardant effect, abrasion resistance and surface hardness.  
        关键词：Plantation wood;Surface compression;Treated wood;Impregnation resin   
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        发布时间：2021-02-08
      • CAO Zhong rong,YANG Xiao jun,QU Yan chun
        Issue 1, Pages: 23-25(2002) DOI: 10.19455/j.mcgy.2002.01.007
        摘要：By orthogonal test and statistical analysis, a study of manufacturing technology for exterior medium density fiberboard （MDF.E） using Poplar[ Populus deltoides Bartr.cv.’Lux’（I 69/55）] has been done. Results indicated: 1) it was feasible for manufacturing exterior MDF by using Poplar wood; 2)under the manufacturing parameters of glue consumption 12 %, board density 0.82 g/cm 3, hot pressing temperature 180 ℃ and hot pressing time 7 min, all the physical and mechanical property indexes of 9 mm thick Poplar MDF made in laboratory could reach the MDF National Standard.  
        关键词：Poplar;Exterior medium density fiberboard;Manufacturing technology   
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        发布时间：2021-02-08
      • JIN Xiao juan,YIN Ning
        Issue 1, Pages: 26-28(2002) DOI: 10.19455/j.mcgy.2002.01.008
        摘要：The principle, prescription and application technique of the CYC fire retardant coating were studied. Results showed that the CYC waterborne coating had better performances in fire retardant, decorative effect and environmental impact than others,and could be used in surface finishing of indoor wooden products for decoration and fire retardant.  
        关键词：Fire retardant;Coating;Performance   
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        发布时间：2021-02-08
      • CHEN Xiong wei 1,CAO Zhong rong 2
        Issue 1, Pages: 29-30(2002) DOI: 10.19455/j.mcgy.2002.01.009
        摘要：Because of low operating efficiency and high production cost of old particleboard prodnction line, the technical project for transforming particleboard line into medium density fiberboard （MDF） line was put forward in order to improve economic benefits of particleboard plant.  
        关键词：Particleboard line transformation;Medium density fiberboard;Economic benefit   
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        发布时间：2021-02-08
      • LIU Yong dan,HU Ju liang,XIAO Liang yu
        Issue 1, Pages: 31-32(2002) DOI: 10.19455/j.mcgy.2002.01.010
        摘要：In this article, the influences of bleaching solution formula and technology on bleaching effect and processing cost were analysed. Results showed that satisfied bleaching result could be acquired when bleaching solution made up by hydrogen peroxide solution （H 2O 2） 35～40 g/L, sodium silicate （Na 2SiO 3） 5～6 g/L, SETI 01 3.5～4.0 g/L, pH value 9.5～11, under bleaching processing condition with bath ratio of 1∶7, soaking temperature of 85～90 ℃ and soaking time for 60～80 min.  
        关键词：veneer;Bleaching   
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        发布时间：2021-02-08
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