Vim li cas plab tawv thaum cev xeeb tub?

Cov txheej txheem:

Vim li cas plab tawv thaum cev xeeb tub?
Vim li cas plab tawv thaum cev xeeb tub?
Anonim

Lub plab uas nyob twj ywm ib ntus tom qab 20 lub lis piam ntawm cev xeeb tub sawv cev kev cob qhia contractions, kev tshawb fawb hu ua Braxton Hicks contractions. Cov kab mob no tuaj yeem tshwm sim ntau zaus hauv ib hnub thiab feem ntau tsis ua rau mob lossis tsis xis nyob, thiab yog li ntawd tsis yog txhua tus poj niam cev xeeb tub pom lawv.

Vim li cas kuv lub plab thiaj li nyuaj?

Feem ntau, koj xav tias mob plab thaum koj cev xeeb tub. Koj lub plab nyuaj siab yog ua rau lub siab ntawm koj lub tsev menyuam loj hlob thiab tso siab rau koj lub plab. Lub zog ntawm koj lub plab thaum cev xeeb tub tuaj yeem qhia tau ntau dua yog tias koj noj cov zaub mov tsis muaj fiber ntau lossis haus cov dej haus carbonated ntau.

Vim li cas kuv lub plab thiaj li nyuaj thiab nruj thaum cev xeeb tub?

plab-tightening txuam nrog Braxton-Hicks contractions nce lub zog thiab zaus thaum lub sij hawmpeb lub hlis twg. Cov kab mob no tshwj xeeb tshaj yog nyob rau ob peb lub lis piam dhau los ntawm cev xeeb tub thaum lub tsev menyuam npaj rau kev yug menyuam.

Vim li cas kuv tus menyuam pob hauv plab?

phab ntsa ntawm koj lub tsev menyuam yog cov leeg uas loj hlob thiab ncab thaum koj tus menyuam loj hlob. Thaum nws yog lub sij hawm rau koj tus menyuam yug los, cov leeg no nruj nreem. Qhov no hu ua muaj contractions. Thaum pib ua hauj lwm, qhov contractions feem ntau xav zoo li koj tus menyuam mos.

Puas plab zawm txhais tau tias contractions?

Kev cog lus (plamnruj) yog kos npe tseem ceeb ntawm kev ua haujlwm. Lawv kav li ntawm 30 mus rau 60 vib nas this thiab tej zaum yuav zoo li lub sij hawm cramps thaum xub thawj.

Pom zoo:

Nthuav cov khoom
Puas talcum hmoov yaj hauv dej?
Nyeem ntxiv

Puas talcum hmoov yaj hauv dej?

Talc yog xyaum insoluble hauv dej, dilute ntxhia acids, thiab dilute daws ntawm alkali halides thiab alkaline hydroxides. Nws yog soluble hauv kub concentrated phosphoric acid. Vim li cas talcum hmoov tsis yaj hauv dej? Tsim Hauv Tsev.

Vim li cas thiaj siv schlieren photography?
Nyeem ntxiv

Vim li cas thiaj siv schlieren photography?

Schlieren kev yees duab yog txheej txheem pom kev uas yog siv los yees duab cov dej ntws ntawm qhov sib txawv. Tsim los ntawm German physicist lub yim hli ntuj Toepler nyob rau hauv 1864 los kawm supersonic motion, nws yog dav siv nyob rau hauv aeronautical engineering los yees duab cov ntws ntawm huab cua nyob ib ncig ntawm cov khoom.

Yuav rov hais dua email li cas?
Nyeem ntxiv

Yuav rov hais dua email li cas?

Koj tuaj yeem sim: "Kuv tab tom ua raws li hauv qab no" lossis "Ua raws li qhov no [thov / nug / haujlwm]" "Kuv rov qab rau hauv qab no" lossis "Circling rov qab rau ntawm no [thov / nug / assignment]