Cov txheej txheem:
- Kev qhia
- Koj kho lub nplhaib tawv ntoo li cas?
- Ntxhais tsob ntoo puas muaj sia nyob?
- tsob ntoo ringed puas yuav cawm tau?
- Yuav ua li cas cawm tsob ntoo girdling?
Video: Yuav ua li cas cawm tau ib lub nplhaib barked?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Kev qhia
- Tau tsob ntoo qhov txhab nrog dej (tsis muaj dab tsi ntxiv).
- Sau cov tawv ntoo thiab muab lawv rov qab rau ntawm tsob ntoo. Xyuas kom paub tseeb tias koj tso cov tawv ntoo, yog li nws loj hlob nyob rau hauv txoj cai.
- Txhim kho cov tawv ntoo nrog cov kab lus qhwv ib ncig ntawm tsob ntoo.
- Tshem daim kab xev hauv ib xyoos yog tias nws tseem ruaj ntseg.
Koj kho lub nplhaib tawv ntoo li cas?
Yog tias koj tau tshem tawm tag nrho cov ntaub so ntswg thoob plaws hauv lub cev, tsuas yog lwm txoj kev xaiv yog sim hloov cov tawv ntoo rov qab rau hauv qhov qub thiab khi rau hauv qhov chaw lossis siv tus choj graft rau choj hla thaj chaw puas.
Ntxhais tsob ntoo puas muaj sia nyob?
Ntawm tsob ntoo yeej muaj sia nyob lub nplhaib-barking thiab girdling rau 50% ntawm lawv lub cev cov ntaub so ntswg(Lub tsev, 1984) thiab cov ntoo hluas ntawm Eucalyptus camaldulensis, Platanus orientalis thiab Acacia melanoxylon ciaj sia. thiab rov qab los ntawm 60, 75, 90 thiab txawm 100% kev puas tsuaj (Priestley 2004).
tsob ntoo ringed puas yuav cawm tau?
Yuav ua sai sai kho thiab kho tsob ntoo khi, koj yuav cawm tau nws dim ntawm txoj kev tuag sai Thaum koj tso tsob ntoo khi mus tsis kho, tsob ntoo yuav tuag. Ib tsob ntoo girdled lub hauv paus phaj destabilizes lub sij hawm, thiab tsob ntoo tej zaum yuav ntog nyob rau hauv txawm lub lightest ntawm cua daj cua dub.
Yuav ua li cas cawm tsob ntoo girdling?
Rau cov ntoo hluas (1-2 xyoos) uas muaj kev puas tsuaj loj (100 feem pua khaws lub cev), txiav lub cev rov qab rau hauv qab qhov chaw raug mob yuav cawm tsob ntoo. Qhov no yuav ua rau cov regrowth thiab cov tshiab tsim tua yuav tsum tau kawm ua ib tsob ntoo hloov.
Txuag ntoo
- Kev puas tsuaj.
- Txoj kev deb.
Pom zoo:
Yuav ua li cas lucille pob cawm lub hnub qub trek?
Ball tau yuav nws tus txiv yav dhau los ntawm lub studio hauv xyoo 1962. NBC tau xaj tus tsav los ntawm tus tsim Gene Roddenberry Gene Roddenberry Eugene Wesley Roddenberry (Lub Yim Hli 19, 1921 - Lub Kaum Hli 24, 1991) yog tus American TV screenwriter, tsim tawm thiab tus tsim ntawm Star Trek:
Kuv puas yuav tau txais lub nplhaib sib koom tes?
Topaz yog 8/10 ntawm Mohs Hardness Scale, ua rau nws muaj kev sib koom tes zoo. Nws symbolizes we alth thiab roy alty. … Blue Topaz los nyob rau hauv ib co loj crystals, ua rau nws yog ib tug zoo xaiv rau cov khub niam txiv uas xav kom ib tug loj loj saib.
Lub tshuab luam ntawv twg yog raws li lub nplhaib ntiv nplhaib?
CT scanners siv lub nplhaib ntiv nplhaib, uas tau qhia hauv xyoo 1989. Slip-ring scanners tuaj yeem ua helical CT scanning, uas lub raj x-ray thiab lub ntsuas ntsuas tig ib ncig. Tus neeg mob lub cev, tsis tu ncua txais cov ntaub ntawv thaum tus neeg mob txav mus los ntawm gantry .
Yuav ua li cas thiaj tshem tau lub nplhaib npauj npaim?
Nplhaib Nplhaib tsis ua rau muaj kev phom sij rau koj cov nyom lossis cov nroj tsuag, yog li tsis txhob ceeb! Txoj kev yooj yim tshaj plaws kom tshem tau cov nplhaib zoo nkauj yog tsuas yog mow hla lawv lossis rub lawv zoo li cov nroj tsuagYog tias koj xaiv rub lawv zoo li cov nroj tsuag, nco ntsoov hnav hnab looj tes!
Leej twg hais ib lub nplhaib-dingy ob lub nplhaib-dingy?
Tomlin tau koom ua yeeb yam hauv lub caij thib peb thiab nthuav qhia ob ntawm nws cov cim nco qab tshaj plaws - Ernestine, tus neeg hais lus xaiv hloov pauv nrog tus snort uas yuav hais tias, "Ib lub nplhaib dingy, ob lub ringy dingy” thiab “Kuv puas tau mus txog tog uas kuv tab tom hais?
