2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Qee ntoo yog ntoo mos, ib txhia yog ntoo tawv. Puas yog cov ntoo softwood tiag tiag tsawg ntom thiab tawv dua li cov ntoo tawv? Tsis tas li. Qhov tseeb, ob peb tsob ntoo tawv ntoo muaj cov ntoo softer dua li cov ntoo mos. Yog li dab tsi yog cov ntoo softwood? Hardwood yog dab tsi? Nyeem rau kom paub txog cov yam ntxwv ntawm cov ntoo softwood nrog rau lwm cov ntaub ntawv ntoo softwood.
Softwood ntoo yog dab tsi?
Softwood ntoo lumber tsis tu ncua siv los ua tsev thiab nkoj, lawj thiab stairwells. Qhov ntawd txhais tau tias cov yam ntxwv ntawm cov ntoo softwood tsis suav nrog kev qaug zog. Hloov chaw, kev faib cov ntoo rau hauv cov ntoo mos thiab cov ntoo tawv yog premised ntawm kev sib txawv ntawm kev lom neeg.
Softwood ntoo ntaub ntawv qhia peb tias softwoods, tseem hu ua gymnosperms, yog cov ntoo muaj koob, los yog conifers. Softwood ntoo hom, suav nrog ntoo thuv, cedar, thiab cypress, feem ntau yog evergreens. Qhov ntawd txhais tau hais tias lawv tsis poob lawv cov koob thaum lub caij nplooj zeeg thiab mus dormant rau lub caij ntuj no.
Yog li ntawd yog tsob ntoo tawv li cas? Ntoo ntoo, tseem hu ua angiosperms, muaj nplooj dav. Lawv feem ntau loj hlob paj thiab txiv hmab txiv ntoo thiab mus dhau lub sijhawm dormancy nyob rau lub caij ntuj no. Feem ntau hardwoods poob lawv nploojAutumn thiab regrow lawv lub caij nplooj ntoos hlav nram qab no. Ob peb, zoo li magnolia, yog evergreen. Cov ntoo tawv ntoo muaj xws li oaks, birch, poplar, thiab maples.
Softwood Tree Information
Qhov sib txawv ntawm botanical ntawm hardwood thiab softwood yog xav txog qee qhov kev kawm hauv lub cev ntawm cov ntoo. Softwood ntoo hom feem ntau muaj cov ntoo softer dua hardwood ntau yam.
Conifer ntoo tsuas muaj ob peb hom cell sib txawv xwb. Cov ntoo ntawm cov ntoo tawv ntoo muaj ntau hom cell thiab qhov chaw huab cua tsawg dua. Hardness tuaj yeem hais tias yog kev ua haujlwm ntawm cov ntoo qhov ntom, thiab cov ntoo tawv tawv feem ntau yog ntom dua li cov ntoo softwood.
Ntawm qhov tod tes, muaj ntau qhov kev zam rau txoj cai no. Piv txwv li, Southern pines raug cais raws li cov ntoo mos thiab muaj cov yam ntxwv ntawm cov ntoo. Txawm li cas los xij, lawv yog cov denser dua li cov paj daj daj, uas yog cov ntoo tawv. Rau ib qho piv txwv zoo ntawm cov ntoo mos, xav txog balsa ntoo. Nws yog mos thiab lub teeb uas yog siv los tsim cov qauv dav hlau. Txawm li cas los xij, nws los ntawm tsob ntoo tawv tawv.
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