Video: Cov kev hloov pauv ntawm qhov teeb meem yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Hloov ntawm lub xeev yog lub cev kev hloov hauv teeb meem . Lawv yog reversible kev hloov uas tsis koom nrog kev hloov hauv teeb meem tshuaj pleev ib ce los yog tshuaj muaj zog. Feem ntau kev hloov Lub xeev muaj xws li melting, freezing, sublimation, deposition, condensation, thiab vaporization.
Tsis tas li ntawd, cov kev hloov pauv ntawm cov teeb meem thiab cov piv txwv yog dab tsi?
Thaum kub kev hloov , teeb meem tuaj yeem dhau mus rau theem hloov , hloov ntawm ib daim ntawv mus rau lwm qhov. Piv txwv ntawm theem kev hloov yog melting (hloov ntawm ib tug khoom mus rau ib tug kua), khov (hloov ntawm ib tug kua rau ib tug khoom), evaporation (hloov los ntawm ib tug kua mus rau ib tug gas), thiab condensation (hloov ntawm ib tug roj rau ib tug kua).
Qhov thib ob, ob yam kev hloov pauv uas tshwm sim hauv qhov teeb meem yog dab tsi? Muaj ob hom kev hloov hauv teeb meem : lub cev hloov thiab tshuaj hloov . Raws li cov npe qhia, lub cev hloov cuam tshuam ib yam khoom ntawm lub cev, thiab tshuaj hloov cuam tshuam nws cov khoom siv tshuaj.
Tsis tas li ntawd, 3 qhov kev hloov pauv ntawm qhov teeb meem yog dab tsi?
Cov khoom hauv ntiaj teb tuaj yeem muaj nyob hauv ib qho ntawm plaub theem, tab sis feem ntau, lawv muaj nyob hauv ib qho ntawm peb: khoom, kua lossis roj. Kawm txog rau qhov kev hloov pauv ntawm theem: khov , yaj , condensation, vaporization , sublimation thiab tso nyiaj.
Lub cev hloov pauv hauv qhov teeb meem yog dab tsi?
Piv txwv ntawm hloov lub cev suav nrog kev hloov nyob rau hauv qhov loj los yog cov duab ntawm teeb meem . Hloov ntawm lub xeev-piv txwv li, los ntawm cov khoom mus rau cov kua los yog los ntawm cov kua rau roj-yog tseem kev hloov ntawm lub cev . Qee cov txheej txheem uas ua rau kev hloov ntawm lub cev xws li txiav, khoov, dissolving, khov, boiling, thiab melting.
Pom zoo:
Dab tsi yog qhov txawv ntawm ib puag ncig kev hloov pauv thiab kev hloov pauv qub txeeg qub teg?
Qhov sib txawv ntawm cov yam ntxwv ntawm cov tib neeg ntawm tib hom yog hu ua variation. Qhov no yog inherited variation. Qee qhov kev hloov pauv yog qhov tshwm sim ntawm qhov sib txawv ntawm ib puag ncig, lossis ib tus neeg ua dab tsi. Qhov no yog hu ua environmental variation
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 teeb meem loj tshaj plaws ntawm kev siv cov kev tshawb fawb txog kev sib raug zoo?
Tej yam tsis zoo los yog kev tshawb fawb txog kev sib raug zoo muaj xws li: a. Lawv tsis tuaj yeem siv los tsim kom muaj kev sib raug zoo-thiab-tshuaj los yog kev coj ntawm kev cuam tshuam
Dab tsi yog qhov txawv ntawm lub cev thiab tshuaj hloov pauv ntawm cov teeb meem?
Kev hloov tshuaj lom neeg tshwm sim los ntawm cov tshuaj tiv thaiv tshuaj, thaum lub cev hloov pauv yog thaum cov teeb meem hloov pauv tab sis tsis yog tshuaj lom neeg. Piv txwv ntawm kev hloov tshuaj lom neeg yog hlawv, ua noj, xeb, thiab rotting. Piv txwv ntawm kev hloov lub cev yog boiling, melting, khov, thiab shredding
Peb qhov laj thawj tseem ceeb ntawm kev hloov pauv hloov pauv yog dab tsi?
Allele frequencies nyob rau hauv ib tug pej xeem yuav hloov vim plaub lub hauv paus zog ntawm evolution: Natural Selection, Genetic Drift, Mutations thiab Gene Flow. Kev hloov pauv yog qhov kawg ntawm cov alleles tshiab hauv cov noob caj noob ces. Ob ntawm cov txheej txheem tseem ceeb tshaj plaws ntawm kev hloov pauv hloov pauv yog: Natural Selection thiab Genetic Drift