Daim ntawv cog ntoo tshwm dawb rau peb vim lawv cuam tshuam feem ntau ntawm lub hnub rays. Nyob rau hauv sib piv, cov ntoo tsaus nti - uas yog hais tias, zoo nkauj npaum li cas tag nrho cov ntoo - muaj kev cuam tshuam me ntsis tab sis es tsis txhob nqus yuav luag tag nrho cov xim. Qhov no yog qhov tseem ceeb: ntoo tsaus nti nqus lub teeb, ntoo dawb cuam tshuam nws.
Vim li cas cov ntoo nyiaj ntoo dawb?
Cov tawv nqaij ntawm lub cev thiab cov ceg ntoo yog xim daj-xim av thaum xub thawj, tab sis tom qab ntawd hloov mus rau xim dawb li ua rau cov ntaub so ntswg loj hlob ntawm qhov chaw thiab tev tawm hauv flakes, zoo ib yam li cov ntawv txheeb ze ze (B. papyrifera).
Vim li cas tej ntoo tawv dawb?
Vim li cas tej tsob ntoo thiaj muaj tawv dawb? Cov tawv ntoo dawb ntawm cov ntoo yog kev hloov pauv lom neeg uas tiv thaiv lub hnub puas. Cov ntoo tsaus yuav khaws cua sov sai dua thaum lub hnub ci ntsa iab, cov ntoo sib zog yuav pom lub hnub ci nrog lawv cov tawv ntoo dawb.
Dab tsi tshwj xeeb ntawm cov ntoo birch?
Birch xav tau zoo-drained av, txaus noo noo thiab ncaj qha tshav ntuj rau kev loj hlob zoo. Nws feem ntau loj hlob ze ntawm cov pas dej thiab cov dej ntws. Birch yog lub npe hu ua pioneer hom vim nws yooj yim populates qhov chaw puas los ntawm hluav taws. Cov nroj tsuag no tsuas yog cog qoob loo vim nws cov morphology ornamental thiab cov ntoo zoo.
ntoo birch dawb siv rau dab tsi?
Undiluted, birch kua txiv tuaj yeem siv tau ua vinegar lossis birch npias. Birch tau sau nyob rau sab hnub tuaj Canadarau daim tawv nqaij, sawlogs, thiab veneer cav; ntoo yog siv rau cov khoom xws li paneling, nplaig depressors, thiab cheese thawv. Hauv British Columbia, daim ntawv birch tau sau rau hluav taws.
