2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Tab sis, Rahmstorf tau hais tias: Yog tias peb txuas ntxiv ua kom lub ntiaj teb ua kom sov, Gulf Stream System yuav tsis muaj zog ntxiv, by 34 txog 45% los ntawm 2100 raws li cov tiam tshiab ntawm kev nyab xeeb. qauv. Qhov no tuaj yeem ua rau peb txaus ntshai nyob ze rau qhov taw tes uas qhov dej ntws tsis ruaj khov.
Gulf Stream cuam tshuam li cas los ntawm kev hloov pauv huab cua?
Kev nyab xeeb cuam tshuam rau Gulf kwj hloov
Ntawm cov yam cuam tshuam rau tam sim no yog melting ntawm Greenland ice sheet, melting ntawm Arctic hiav txwv dej khov, thiab tag nrho txhim kho nag lossis daus thiab dej ntws..
Yuav ua li cas sai sai no Gulf Stream cuam tshuam los ntawm kev hloov pauv huab cua?
Nws tuaj yeem yog hauv ib xyoo caum lossis ob, lossis ntau pua xyoo dhau los. Tab sis qhov cuam tshuam loj heev nws yuav txhais tau tias nws yuav tsum tsis txhob tso cai tshwm sim, cov kws tshawb fawb tau hais.
Kev hloov pauv huab cua yuav ua li cas tsis muaj zog lossis tseem nres Gulf Stream?
Qhov kev poob qis no yog qhov kev xav tau ntawm kev hloov pauv huab cua, cov kws tshawb fawb tau sau. … Pab pawg tau xaus lus tias, ntawm qhov tam sim no ntawm kev hloov pauv huab cua, Gulf Stream's ntws tuaj yeem tsis muaj zog ntxiv los ntawm 45% ntxiv rau xyoo 2100, plunging tam sim no ze rau qhov tseem ceeb tipping point.
Yuav ua li cas yog tias Gulf Stream cuam tshuam?
Ib qho tsis muaj zog Gulf Stream txhais tau tias hiav txwv siab dua rau Florida sab hnub tuaj ntug dej hiav txwv. Nws tuaj yeem ua rau lub caij ntuj no txias dua nyob rau sab qaum teb Europe (ib qho laj thawj ntau tus kws tshawb fawb nyiam lub sijhawm hloov pauv huab cuarau ntiaj teb ua kom sov).
Pom zoo:
Qhov kev hloov pauv no puas yuav ua rau muaj kev hloov pauv hloov pauv?
Yog li, yog tias muaj kev hloov pauv, piv txwv li, kev ntxig lossis tshem tawm ntawm nucleotide, tshwm sim, qhov no tuaj yeem ua rau kev hloov pauv ntawm kev nyeem ntawv. Nws hloov tag nrho cov amino acid ib ntus. Cov kev hloov pauv no yog hu ua frameshift mutation (tseem hu ua kev nyeem ntawv hloov pauv, nyeem ntawv hloov pauv, lossis framing yuam kev).
Puas yog jurassic ntiaj teb hloov pauv hloov pauv hloov pauv?
Qee zaum, paub meej, koj yuav tau rov qab mus rau lub sijhawm dhau los - txuag manually, thiab feem ntau, raws li game's autosave yog… tsis zam txim - tab sis feem ntau ntawm cov lub sijhawm koj tuaj yeem khaws cov khoom thiab khaws cia nrog.
Qhov twg yog qhov kev hloov pauv hloov pauv hloov pauv?
Semiconservative replication piav qhia txog cov txheej txheem ntawm DNA replication nyob rau hauv tag nrho cov paub hlwb. DNA replication tshwm sim ntawm ntau lub hauv paus pib ntawm kev rov ua dua raws DNA qauv strand. Raws li DNA ob chav helix yog unwound by helicase, replication tshwm sim nyias ntawm txhua tus qauv strand nyob rau hauv antiparallel cov lus qhia.
Qhov kev hloov pauv twg yog xav tias yuav cuam tshuam los ntawm kev hloov pauv hloov pauv?
Dependent Variable Qhov sib txawv uas nyob ntawm lwm yam uas ntsuas. Cov kev hloov pauv no yuav tsum tau hloov pauv raws li qhov kev sim ua haujlwm ntawm tus kheej hloov pauv lossis hloov pauv. Nws yog cov nyhuv presumed. Qhov kev tshawb fawb hloov pauv twg yog qhov tshwm sim?
Los ntawm kev hloov pauv hloov pauv hloov pauv?
Kev hloov pauv hloov pauv hloov pauv (TMA) yog qhov isothermal (tsis hloov pauv nucleic acid kub), ib leeg-tube nucleic acid amplification system siv ob lub enzymes, RNA polymerase thiab thim rov qab kev sau ntawv. … Cov txheej txheem no tuaj yeem siv los tsom rau RNA thiab DNA.
