2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ib zaug ib qho tshwm sim tsis tshua muaj tshwm sim, kev kho kev xeeb tub tau ua rau ntau qhov kev yug me nyuam niaj hnub no. Tab sis kev xeeb tub sextuplets yam tsis siv cov kev kho mob fertility yog qhov tsawg heev. Qhov tseeb, qhov txawv txav ntawm kev yug menyuam rau sextuplets spontaneously yog ib qho ntawm 4.7 billion.
Yuav ua li cas thiaj muaj sextuplets?
Sextuplets tuaj yeem yog fraternal (multizygotic), zoo tib yam (monozygotic), lossis ob qho tib si ua ke. Multizygotic sextuplets tshwm sim los ntawm rau lub qe / phev ua ke. Monozygotic multiples yog qhov tshwm sim ntawm lub qe fertilized uas faib ua ob los yog ntau tshaj embryos.
Can quintuplets tshwm sim ib txwm muaj?
Quintuplets tshwm sim nyob rau hauv 1 ntawm 55, 000, 000 yug. Thawj quintuplets paub tias muaj sia nyob thaum yau yog tus poj niam zoo tib yam Canadian Dionne Quintuplets, yug hauv 1934.
Koj puas tuaj yeem yug peb tus menyuam ib txwm muaj?
(Kev yug me nyuam triplets los yog ntau tshaj qhov chaw mos yog tsawg heev thiab tsis pom zoovim tias muaj kev pheej hmoo ntau dua ntawm kev mob hnyav thiab kev tuag ntawm tus menyuam mos.) Vim tias yuav luag tag nrho triplets lossis ntau dua yuav yog yug ntxov ntxov, lawv yuav xav tau kev saib xyuas tshwj xeeb - piv txwv li, hauv chav saib xyuas menyuam yug tshiab.
Tus poj niam muaj pes tsawg tus menyuam hauv nws lub neej?
Ib txoj kev tshawb fawb kwv yees tias tus poj niam tuaj yeem muaj ib ncig 15 cev xeeb tub hauv lub neej. Thiab nyob ntawm seb muaj pes tsawg tus menyuam yug los rau txhua lub cev xeeb tub, nws yuav muaj nyob ib puag ncig15-30 me nyuam.
Pom zoo:
Puas yog rov tshwm sim dua lossis rov tshwm sim dua?
Reoccur thiab recur yog verbs uas qhia ib lo lus hauv paus. Thaum lawv nyob ze heev ntawm lub ntsiab lus, lawv tsis zoo ib yam. Tej yam uas yog rov tshwm sim dua thiab dhau mus, tej zaum nyob rau ib ntus. Hauv qhov sib piv, ib yam dab tsi uas rov tshwm sim tsuas yog tshwm sim dua tab sis tsis tas yuav rov ua dua.
Rau qhov tshwm sim tshwm sim?
Cov tshuaj tiv thaiv tus kheej yogtawm tsam uas nyiam tsim cov khoom ntawm cov xwm txheej uas tshwm sim. … Qhov kev sib xyaw ua ke ntawm kev txo qis ntawm lub zog thiab qhov nce hauv entropy txhais tau hais tias cov tshuaj tiv thaiv combustion tshwm sim tsis tu ncua.
Puas yog cov tshuaj tiv thaiv exothermic ib txwm muaj tshwm sim?
Yog tias qhov tshuaj tiv thaiv yog exothermic (H yog qhov tsis zoo) thiab qhov entropy S yog qhov zoo (ntau qhov teeb meem), qhov hloov pauv lub zog dawb yog ib txwm tsis zoo thiab cov tshuaj tiv thaiv ib txwm muaj. … Yog hais tias qhov enthalpy hloov H thiab qhov hloov pauv entropy S yog qhov zoo lossis ob qho tib si tsis zoo, qhov tshwm sim ntawm qhov tshwm sim nyob ntawm qhov kub.
Puas tau tshwm sim lossis tshwm sim?
Qhov kev qhia "tshwm sim" tsis tuaj yeem siv qhov khoom ncaj qha, thiab yog li ntawd nws tsis muaj daim ntawv passive, yog li tsis muaj "yog/was/be tshwm sim" tense. Puas tau tshwm sim los yog tshwm sim? Ob daim ntawv yog grammatically raug (tsis sib xws rau kev hais lus ntawm qee cov lus Askiv purists).
Puas tsis muaj qhov tshwm sim tshwm sim xav tau enzymes?
Tam sim no, enzymes TSIS ua rau cov tshuaj tiv thaiv tsis yog tus kheej. Txawm li cas los xij, enzymes ua kom nrawm nrawm ntawm cov tshuaj tiv thaiv tus kheej. Yeej, lawv ua kom cov tshuaj tiv thaiv sai dua. Enzymes ua qhov no los ntawm kev txo qis kev ua kom lub zog ntawm cov tshuaj tiv thaiv.
