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  • 简介:EditorinChief:Pr”I犯ssorDr.J】ANGZehuiPresidentofCAF,AeademicianofInternationalAeademyofWoodSciencesASSOCisteEditofS:Dr.LlZhiyongZHANGJianhuaEDff()R工气LDiteCtor:C《)入仆ITI,1,EE:DePutyDirector:ProfessorDr.JIANGZehuiDr.ZHAN(妥Shougong(StandingVicePresidentofCAF)Dr.RistoSEPPALA(ChairmanofIUFRO)入lembers:APPANAH,SimmathiriSeniorProgra一刀Advisor,ForestryResearehSuPPortProgralnforAsiaa一ldthePaeifie.FAOe一mail述i卫迎里垃亘这缪里旦迷鱼吏迁旦Q卫笔BARNETT,JohnPres一dent,Internar一ollalAeadelllyof认气!odSelen...

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  • 简介:EditorinChief:ProfessorJIANGZehui,PresidentofCAF,AcademicianofInternationalAcademyofWoodSciencesAssociateEditors:Dr.LIZhiyongZHOUJizhongEDITORIALCOMMITTEE:Director:ProfessorJIANGZehuiDeputyDirector:Dr.ZHANGShougong(StandingVicePresidentofCAF)Dr.RistoSEPPALA(ChairmanofIUFRO)Members:

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  • 简介:EditorinChief:ProfessorJIANGZehui,PresidentofCAF,AcademicianofInternationalAcademyofWoodSciencesAssociateEditors:Dr.LIZhiyongZHOUJizhongEDITORIALCOMMITTEE:Director:ProfessorJIANGZehuiDeputyDirector:Dr.ZHANGShougong(StandingVicePresidentofCAF)Dr.RistoSEPPALA(ChairmanofIUFRO)

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  • 简介:EditorinChief:ProfessorJIANGZehui,PresidentofCAF,AcademicianofInternationalAcademyofWoodSciencesAssociateEditors:Dr.LIZhiyongZHOUJizhongEDITORIALCOMMITTEE:Director:ProfessorJIANGZehuiDeputyDirector:Dr.ZHANGShougong(StandingVicePresidentofCAF)sDr.RistoSEPPALA(ChairmanofIUFRO)Members:

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  • 简介:DemandforTechnologyintheDevelopmentoSocialForestryTXDemandforTechnologyintheDevelopmentofSocialForestryByGuoZhengmo1.Demandfor...

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  • 简介:利用不同浓度的秋水仙碱和不同处理方式来处理毛白杨及其杂种毛新杨的雄花芽,可以获得一定比率的染色体未减数的大花粉粒.用细胞荧光测定技术测定其DNA相对含量,鉴定了这种大花粉粒为2n花粉粒.这种2n花粉粒是具有生活力的,可用于授粉杂交来培育三倍体.在温度较低的条件下,当秋水仙碱浓度为0.1%~0.5%时,注射处理花芽3~6次效果最佳.对高温(38~40℃)处理花芽诱导2n花粉粒的方法也进行了试验和分析.

  • 标签: 毛白杨 毛新杨 秋水仙碱 染色体加倍 2n花粉粒
  • 简介:论文把中国菩提树游标用作样品,并且使用ESR技术在木头表面修正的过程期间检验免费激进的集中变化。这是一个有效方法,并且它能关于程度和表面修正的质量给合适的评估。

  • 标签: ESR TECHNOLOGY Free RADICAL WOOD MODIFICATION
  • 简介:从在到喂转动的木头的水库的木材仓库的木头漂流技术被模型测试学习。模型测试与引力类似和110的比率的规则被参加。主要参数象拖船船,水疗院加速器和喂转动的结构的数量一样,是坚定的。更合适的漂流过程被提出,设计的可靠基础被供应。

  • 标签: Model test LOGS FEEDING TECHNOLOGY TUG
  • 简介:Riceisthestaplefoodofmorethanhalfoftheworld'spopulation.Theproduction,processingandmanagementofpaddyricehaveprovidedthebasicconditionsforthelivingofmankind.Theproductionofricehasnotonlycreatedemploymentopportunitiesforonebillionagriculturalpopulationindevelopingnations,buthasalsocontributedtothedevelopmentofthesplendidcultureassociatedwithriceproduction.Hence,effectiveandproductivericesystemsplayaninfluentialroleindevelopmentofeconomyandimprovementofqualityoflife.Inviewofthis,on16December,2002,theUNGeneralAssemblydeclaredtheyearof2004theInternationalYearofRice.

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