Pollen Qhov rai Screen
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High Quality Pollen Qhov rai Screen
Pollen qhov rais cov ntxaij vab tshaus saib tsis txawv ntawm cov qhov rais qhov rais zoo tib yam.Tab sis tsis zoo li cov ntxaij vab tshaus zoo tib yam, txheej nyias nyias ntawm zaj duab xis yog ntim nrog qhov uas tsis pom ntawm qhov muag liab qab.Txhua square centimeter tej zaum densely ntim nrog ntau lab ntawm molecular-loj qhov.Molecular- nplai pores tso cai rau cov molecules tsuas yog hla dhau, yog li cov khoom zoo xws li PM2.5, paj ntoos tuaj yeem thaiv los ntawm cov yeeb yaj kiab nyias yam tsis muaj kev cuam tshuam rau kev nkag mus ntawm cov khoom molecular xws li carbon dioxide.Nws yog siv los ntawm lub caij nplooj ntoos hlav thiab lub caij ntuj sov
