Video: Dab tsi yog qhov hloov pauv kev sib raug zoo ntawm ntim thiab thaj chaw saum npoo raws li qhov khoom loj dua?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Raws li lub voos xwmfab loj los yog lub cell loj dua , tiam thaj chaw saum npoo rau ntim ratio - SA:V ratio txo. Thaum ib khoom / cell me me, nws muaj qhov loj thaj chaw saum npoo rau ntim ratio, thaum loj khoom / cell muaj me me thaj chaw saum npoo rau ntim piv.
Ib yam li ntawd, tib neeg nug, yuav ua li cas rau thaj tsam ntawm qhov ntim nce?
Hauv cov ntsiab lus yooj yim, thaj chaw saum npoo expands ntawm tus nqi qis dua piv rau cov ntim . Ib zaug ntxiv, cov ntim yuav txo qis tshaj qhov thaj chaw saum npoo , coj mus rau ib qho nce ntawm nto unit rau ntim piv. Li no, raws li cell loj txo , cov thaj chaw saum npoo rau ntim piv nce.
Ib tug kuj yuav nug, yog vim li cas qhov chaw saum npoo rau qhov ntim piv tau txo qis thaum lub cell loj dua? 1 Teb. Cell kev loj hlob ua rau thaj tsam thaj tsam rau qhov ntim piv rau txo . Qhov no yog vim li cas a cell loj, cov ntim ntawm cell (nws cov ntsiab lus sab hauv) nce nrawm dua li nws thaj chaw saum npoo (nws cell membrane). Qhov no yog vim li cas hlwb me me li ntawd.
Ib tug kuj yuav nug, dab tsi yog qhov kev sib raug zoo ntawm ntim thiab qhov chaw saum npoo?
Cov thaj chaw saum npoo rau ntim ratio ntawm ib yam khoom yog qhov kev sib raug zoo ntawm ob qhov ntsuas. Nws yog qhov ratio ntawm Qhov chaw saum npoo rau ntim . Nws qhia qhov sib piv nruab nrab qhov loj ntawm sab nraud ntawm ib yam khoom thiab tus nqi hauv. Cov khoom me me lossis nyias nyias muaj qhov loj thaj chaw saum npoo piv rau cov ntim.
Qhov kev sib raug zoo ntawm thaj chaw saum npoo thiab ntim cuam tshuam li cas rau cov duab thiab qhov loj ntawm cov hlwb thiab cov kab mob?
Raws li hlwb nce nyob rau hauv qhov loj , cov qhov chaw thiab ntim ua tsis feem ntau nce proportionally mus rau ntev. Qhov loj dua txoj kab uas hla ntawm ib leeg-celled kab mob , qhov qis dua thaj chaw saum npoo rau ntim piv. Nws yog qhov no kev sib raug zoo uas txwv cov qhov loj ntawm ib qho tshwj xeeb cell.
Pom zoo:
Dab tsi yog qhov kev sib raug zoo ntawm thaj chaw saum npoo thiab ntim ntawm lub voos xwmfab?
Rau qhov cubes me dua qhov no, thaj chaw saum npoo yog ntau dua piv rau qhov ntim ntau dua li nws nyob hauv qhov loj dua (qhov ntim ntau dua piv rau thaj chaw saum npoo). qhia meej meej tias raws li qhov loj ntawm ib yam khoom nce (tsis hloov pauv), qhov piv txwv no txo qis
Qhov txawv ntawm thaj chaw saum npoo thiab thaj tsam sab nraud yog dab tsi?
Qhov chaw sab nraud yog thaj tsam ntawm txhua sab tsis suav nrog thaj tsam ntawm lub hauv paus. Tag nrho qhov chaw ntawm cov khoom yog qhov sib npaug ntawm thaj chaw ntawm tag nrho cov ntsej muag ntawm cov khoom
Dab tsi yog qhov kev hloov pauv ntawm cov khoom uas txav ntawm qhov chaw mus rau qhov chaw ntawm - 12 m?
Kev piav qhia: Qhov kev txav ntawm ib qho khoom txav ntawm qhov chaw mus rau qhov chaw ntawm − 12 m yog 12 meters. Qhov kev ncua deb ntawm lub hauv paus chiv keeb mus rau qhov siab tshaj plaws txoj hauj lwm yog hu ua displacement ntawm ib yam khoom. Qhov siab tshaj plaws kev hloov pauv ntawm cov khoom nyob rau hauv ib nthwv dej yog hu ua crest thiab qhov tsawg kawg nkaus hloov pauv yog hu ua trough
Dab tsi yog qhov kev sib raug zoo ntawm thaj chaw saum npoo thiab ntim ntawm ib lub sphere?
Rau ib tug kheej kheej, qhov chaw saum npoo yog S = 4 * Pi * R * R, qhov R yog lub vojvoog ntawm tus kheej thiab Pi yog 3.1415 Qhov ntim ntawm ib puag ncig yog V = 4 * Pi * R * R * R / 3. Yog li rau ib tug kheej kheej, qhov sib piv ntawm thaj chaw rau ntim yog muab los ntawm: S / V = 3 / R
Dab tsi yog qhov tseeb ntawm thaj chaw saum npoo rau qhov sib piv ntawm cov kab mob nyob?
Raws li qhov loj ntawm lub cev nce, nws thaj chaw saum npoo mus rau qhov sib piv qis. Qhov no txhais tau hais tias nws muaj qhov tsawg dua qhov chaw muaj rau cov khoom sib txawv, yog li tus nqi ntawm diffusion yuav tsis nrawm txaus kom tau raws li nws cov kev xav tau ntawm cov hlwb