Vim li cas thiaj txhaj tshuaj tiv thaiv kab mob polio rau qhov ncauj?

Cov txheej txheem:

Vim li cas thiaj txhaj tshuaj tiv thaiv kab mob polio rau qhov ncauj?
Vim li cas thiaj txhaj tshuaj tiv thaiv kab mob polio rau qhov ncauj?
Anonim

Cov tshuaj tiv thaiv kab mob polio paub txog ua raws li kev tiv thaiv kab mob humoral uas tshwm sim los ntawm cov tsiaj qus ntawm tus kab mob polio kis los ntawm qhov ncauj. Nws tiv thaiv tus neeg tawm tsam tus kab mob tuag tes tuag taw los ntawm kev tiv thaiv tus kab mob los ntawm kev nthuav tawm mus rau lub paj hlwb los ntawm cov hlab ntshav.

Vim li cas thiaj zoo txhaj tshuaj tiv thaiv kab mob polio ntawm qhov ncauj?

Tshuaj Tiv Thaiv Kab Mob Hauv Qhov Ncauj (OPV) yog muaj peev xwm tsim kev tiv thaiv kab mob, xav tau hauv lub cev kom tsis txhob kis tus kabmob rau tus kheej (yuav tsum tau tshem tawm).

Vim li cas lawv thiaj tso tseg tsis siv tshuaj tiv thaiv kab mob polio?

Ntau xyoo tom ntej, qhov kev tshawb pom no tau ntseeg cov kws paub txog kev noj qab haus huv ntawm pej xeem tias Lub Ntiaj Teb Polio Eradication Initiative (GPEI) xav tau kom suav nrog ntau tshaj li ntawv pov thawj thiab WPV ntim; Txhaj tshuaj tiv thaiv kuj yuav tsum tauyuav tsum tsis txhob ntseeg tau tias yog lub ntiaj teb dawb dawb tom qab kev sib tw.

Puas yog tshuaj tiv thaiv kab mob polio qhov ncauj lossis txhaj tshuaj?

Tshuaj tiv thaiv kab mob polio Inactivated polio (IPV) yog tib yam tshuaj tiv thaiv kab mob polio uas tau muab hauv Tebchaws Meskas txij li xyoo 2000. IPV yog txhaj rau ntawm txhais ceg lossis caj npab, nyob ntawm tus neeg mob lub hnub nyoog. Tshuaj tiv thaiv kab mob polio hauv qhov ncauj (OPV) yog siv hauv lwm lub tebchaws. CDC xav kom cov menyuam tau txhaj tshuaj tiv thaiv kab mob polio plaub zaug.

Cov tshuaj tiv thaiv kab mob polio txaus ntshai yog dab tsi?

Cov kev mob tshwm sim muaj xws li ua npaws thiab liab lossis mob ntawm qhov chaw txhaj tshuaj. Muaj feem tsawg heev ntawm kev tsis haum tshuaj nrog ib qho tshuaj tiv thaiv. The IPVtshuaj tiv thaiv muaj tus kab mob tua (tsis ua haujlwm), yog li nws tsis tuaj yeem ua rau tus mob polio.

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]