Nws yog ib qho kev daws teeb meem ntawm atmospheric siab muaj solute muaj peev xwm -15 pascals ces:- Nws lub peev xwm dej kuj yuav yog -15 pascals Nws cov peev xwm dej kuj yuav ntau dua -15 pascals Nws lub peev xwm dej kuj tseem yuav tsawg dua -15 pascals Nws lub peev xwm dej tsis tuaj yeem suav nrog yam tsis muaj peev xwm siab.
Dab tsi yog kev daws ntawm atmospheric siab dej peev xwm?
Rau kev daws ntawm atmospheric siab (dej tej zaum)= solite peev xwm.
dej muaj peev xwm ntawm atmospheric siab yog dab tsi?
Tus nqi ntawm cov dej muaj peev xwm Ψw rau kev daws ntawm atmospheric siab yog sib npaug rau cov peev xwm solute xws li, Ψw=Ψs. Qhov no tshwm sim vim hais tias, ntawm atmospheric siab, tsis muaj hydrostatic siab ntawm dej hauv cell. Raws li qhov tshwm sim, tus nqi ntawm Kev Nyuaj Siab muaj peev xwm yog ua tau zoo xoom
Lub peev xwm siab ntawm cov dej ntshiab ntawm atmospheric siab yog dab tsi?
Kev xaiv D: Cov dej ntshiab ntawm atmospheric siab, muaj zero water potential.
Lub peev xwm siab ntawm huab cua yog dab tsi?
Dej ntawm atmospheric siab muaj peev xwm ntawm zero.