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  • 简介:Thechemicalcomposition,fibercharacteristics,crystallinestructure,mechanicalpropertiesandthermalbehaviorofthefivespeciesofbamboo(Phyllostachyseduliscv.Pachyloe,Bambusatootisk,Arundinaiaamabilis,B.vulgariscv.Vittata,andDendrocalamusaffinis)werestudiedwithIR,X-ray,DSCandchemicalanalyses.Theresultsindicatedthatthebenzene-ethanolextractivecontentofbamboowashigherthanthatofwood,thecontentofligninandthecontentofpentosanwere19.1%-25.3%and14.9%-...

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  • 简介:AccordingtoAWPAE11-2006standard,copperfixationratesofseveralcopper-basedformulations,suchasammoniacalcopper,aminecopper,andammoniacal-ethanolaminecopper,aswellasalkalinecopperquaternary(ACQ),weretestedandcomparedinthispaper.Andthefixationratesoftebuconazole(TEB)andpropiconazole(PPZ)inseveralformulations,suchascopperazole,emulsifiedtypeandsolventtype,werealsocompared.Thedeterminationofcoppercontentintheleachatewasanalyzedbyatomicabsorptionspectrom...

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  • 简介:Forestpropertymortgageopensupanewfinancingchanneltorevitalizeforestresourcesassets,buttherearemanyrestrictionstoforestpropertymortgageloanfromrelevantlegalnormsandpracticesconcerningmortgageloanpolicies.Thepaperanalyzedtheinstitutionaldilemmaofforestpropertymortgageloaninaccordancewithrelevantlawsandpolicies,andthenmadetherecommendations,inordertoprovideameaningfulreferencetoperfectforestpropertymortgageloan.

  • 标签: FOREST PROPERTY MORTGAGE LAW INSTITUTIONAL DILEMMA
  • 简介:Themanufacturetechnologiesoftwokindsofbamboolaminatedpanelandtheirphysical-mechanicalpropertieshavebeenstudiedinthepaper.ThespeciesofbambooaretheD.yunnanicusHsuehetD.Z.LiinYunnanProvinceandP.heterocyclavar.pubescensOhwiinZhejiangProvince.Thedataareofferedinordertoprovideprooftoproducearchitecturalpanelbybamboomaterials.Theresultsshowasfollows:Laminatedbamboopanelcanbeproducedbythereconstructiontechnology,andthemechanicalprope...

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  • 简介:本文研究了长江三峡花岗岩地区林地土壤流失特性.结果表明由鳞片状面蚀导致的土壤流失量月分布与月降雨量的分布趋势基本一致,二者呈现出较为明显的线性相关关系.植物盖度≥0.70的林地土壤流失多集中发生在6~9月份,土壤流失量在5000t·km-2·a-1以下.盖度<0.7的林地土壤流失年内分布时间多在3~10月份,土壤流失量为500~6000t·km-2·a-1.

  • 标签: 长江三峡 林地 土壤流失