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Dab tsi iav yog siv rau tsev cog khoom

Sep 15, 2021

Niaj hnub no peb tham txog dab tsi iav yog siv nyob rau hauv ntse iav greenhouses. Tam sim no, kev paub txog cov iav tsev cog khoom ntse hauv kev lag luam tsev cog khoom tseem nyob rau theem kev nyab xeeb thiab rwb thaiv tsev. Nws tsis yog qhov nyuaj rau xav txog nws, ntsib qhov kawg ntawm qhov txias thiab kub. Kev nyab xeeb, lub tsev cog khoom yog yooj yim kom txias, tab sis nws yog ib qho nyuaj kom sov. Tus nqi ntawm kev txuag cua sov yog ntau dua li qhov txias.

Yog tias peb xav paub seb hom iav siv li cas hauv peb lub tsev cog khoom iav, peb yuav tsum nkag siab tias qhov chaw ib puag ncig peb lub tsev cog khoom zoo li cas, qhov chaw zoo li cas peb cov qoob loo nyob hauv, thiab peb xav kom lub tsev cog khoom no ua li cas.


Dab tsi ntawm ib puag ncig yog peb lub tsev cog khoom hauv qab


Piv txwv li, peb lub tsev cog khoom yog nyob rau hauv Guangxi, yog li qhov peb yuav tsum xav txog yog typhoon, hnyav los nag, lawg, thaj chaw ntug dej hiav txwv muaj hnub ci txaus, tshav ntuj muaj zog nyob rau lub caij ntuj sov thiab sov sov rau lub caij ntuj no. Tom qab ntawd peb paub tias peb xav tau lub tsev cog khoom iav uas tuaj yeem tiv taus typhoons, lawg, thiab muaj zog ultraviolet rays. Qhov peb tsis tas yuav xav txog yog kev txuag hluav taws xob ntau dhau.

Muaj ntau ntau hom iav peb tuaj yeem xaiv raws li qhov xwm txheej no: ultra-dawb tempered ntab iav, ultra-dawb dov tempered iav, thiab cov iav tempered zoo tib yam.

Cia kuv tham txog vim li cas lawv txhua tus yog tempered iav. Greenhouses feem ntau yog 5-7 meters hauv qhov siab. Tom qab qhov tawg ntawm cov iav tempered, cov khoom me me thiab puag ncig, txawm tias lawv poob, lawv yuav tsis ua mob rau tib neeg. Nws tuaj yeem tsis tsuas yog ua kom muaj kev nyab xeeb ntawm tib neeg nkaus xwb tab sis kuj muaj kev nyab xeeb ntawm cov qoob loo. .

Namely: ultra-dawb dov tempered iav> ultra-dawb ntab tempered iav> zoo tib yam ntab tempered iav

Qhov ib puag ncig ntawm peb cov qoob loo yog dab tsi

Hais txog qhov chaw ib puag ncig peb cov qoob loo nyob rau hauv, qhov kev txiav txim siab no yog tag nrho cov teeb meem ib puag ncig ntawm cheeb tsam. Hauv qee thaj chaw, qhov kub thiab txias tsis tau siab, thiab qee qhov chaw yeej ib txwm siab, thiab tseem muaj qhov sib txawv ntawm qhov kub thiab txias.

Cov qoob loo loj hlob hauv tsev cog khoom tej zaum yuav nyob hauv zos lossis tsis yog, yog li kev tswj lub teeb ua qhov teeb meem tseem ceeb tshaj plaws. Yuav tswj lub teeb li cas yog lo lus: haze.

Haze yog ib lub tswv yim tsis tshua muaj tshwm sim. Ob leeg nws thiab Hortiscatter yog cov qauv tswv yim tshiab rau lub teeb xa hluav taws xob ntawm lub tsev cog khoom iav: Kev siv --- Dab tsi yog qhov haze ntawm tsev cog khoom diffused iav

Haze yog ib qho tseem ceeb heev xaiv tsev cog khoom parameter nyob rau hauv huab cua huab cua, uas muaj peev xwm tiv thaiv lub hemispheric lub teeb transmittance los pab txoj kev loj hlob ntawm cov qoob loo.


Peb xav li cas rau lub tsev xog paj no


Kev ua haujlwm hauv tsev cog khoom yog feem ntau cov txiaj ntsig, thiab lub tswv yim yog sim ua kom cov khoom tsim tawm ntawm tsev cog khoom. Yuav ua li cas nce cog yield ntawm lub khob ntawm ntse tsev xog paj. Peb lub ntsiab lus: lub teeb kis tau tus mob, xaiv lub teeb, thiab kev pab them nqi.

Lub teeb transmittance yog dab tsi, lub teeb transmittance ntawm iav. Ib feem ntawm tshav ntuj raug sau. Qhov siab dua lub teeb xa hluav taws xob ntawm iav, qhov ze nws yog qhov xav tau ntawm lub teeb pom kev loj hlob ntawm huab cua. Nws tawm tsam qhov xwm txheej thiab nyob ze rau qhov xwm txheej. Lub tsev xog paj tso tawm cov yam tsis zoo es tsis yog cov khoom muaj txiaj ntsig.

Lub teeb selectivity yog dab tsi? Lub teeb selectivity yog qhov kev ntsuam xyuas lub peev xwm ntawm lub teeb spectrum ntawm lub iav. Qhov xav tau rau cov nroj tsuag loj hlob yog xiav-violet lub teeb. Lwm lub teeb infrared tsis xav tau rau kev loj hlob. Thaum txhim kho lub teeb transmittance, nws tseem yuav tsum tau txhim kho lub teeb selectivity. ntawm.

Qhov kev pab them nqi yog dab tsi? Yog vim li cas yog vim li cas lub tsev xog paj yog tam sim no tsim kom muaj 7 meters siab yog kom haum rau cov kev xav tau ntawm ntsug qoob loo loj hlob nyob rau hauv lub tsev xog paj. Nyob rau hauv lub zog ntawm 4 meters siab nplooj qoob loo, nws yog ib qho nyuaj rau cov hauv paus hniav ntawm cov qoob loo kom tau tshav ntuj, thiab nws yog ib qho nyuaj heev kom tau txais tshav ntuj rau lub sij hawm ntev. Cov ntsiab lus ntawm grey pwm, rot cog cag. Cov cuab yeej mulching ntawm iav tso cai rau lub teeb kom ncav cuag cov hauv paus hniav ntawm cov nroj tsuag thiab inhibits kev loj hlob ntawm grey pwm.

Dab tsi yog peb lub ntsiab lus ntawm iav uas tsim nyog rau kev sib kis ntawm lub teeb, xaiv lub teeb, thiab npog?

Ultra-dawb dov scattering tempered iav, ultra-dawb dov anti-reflective tempered iav, zoo tib yam diffuse scattering tempered iav, zoo tib yam anti-reflective tempered glassmeans: ultra-dawb dov anti-reflective tempered iav> ultra-dawb dov scattering tempered iav> zoo tib yam anti-reflective tempered iav> zoo tib yam diffuse scattering tempered iav


Qhia rau kuv tias vim li cas kev tiv thaiv kev xav zoo dua li kev tawg. Vim hais tias anti-reflection yog coated iav, lub teeb transmittance ntawm coated iav yog siab dua li ntawm uncoated iav, thiab lub teeb transmittance ntawm ultra-dawb yog siab dua li qub iav;

Txhawm rau ua kom tiav, kev xaiv cov iav tsev cog khoom ntse muaj cov cai hauv qab no: kev nyab xeeb, kev txuag hluav taws xob, kev sib kis ntawm lub teeb, tawg, tawg, kev xaiv lub teeb.