Thaum peb hnov txog ntau yam kev ua tsov rog thiab kev tsis sib haum xeeb hauv xov xwm, peb kuj hnov txog ntau hom foob pob thiab riam phom. Tab sis koj puas paub tias qee cov riam phom muaj cov teeb meem loj heev vim yog cov tshuaj lom neeg txaus ntshai uas lawv muaj. Ib qho riam phom txaus ntshai yog "pob phosphorus dawb". Hauv tsab xov xwm no, peb yuav tham txog nws yooj yim.
Cov phosphorus dawb no yog dab tsi?
Hais yooj yim xwb, cov phosphorus dawb yog ib yam tshuaj uas ua los ntawm cov pob zeb phosphate. Thaum khov lawm, nws muaj cov roj nplaum thiab muaj ntxhiab tsw zoo li qej. Nws tuaj yeem yog xim dawb lossis daj, thiab qee zaum nws tuaj yeem tsis muaj xim.
Cov phosphorus dawb no muaj tshuaj lom heev rau tib neeg. Nws kuj tsis ruaj khov heev. Uas yog, ntawm qhov kub li 10-15 degrees siab dua qhov kub hauv chav ib txwm, nws cuam tshuam nrog cov pa oxygen hauv huab cua thiab pib hluav taws .
Xav txog txhua yam kev siv rau cov khoom no. Cov phosphorus dawb yog siv los ua cov khoom xws li cov chips computer, cov hlau sib xyaw, cov chiv ua liaj ua teb, cov xim ci ntsa iab hauv qhov tsaus ntuj, tshuaj lom nas, thiab cov hluav taws kub. Tab sis, ntxiv rau cov kev siv dav dav no, qee lub tebchaws thiab cov pab pawg kuj siv nws los ua foob pob thiab lwm yam riam phom ua tsov rog.
Cov foob pob phosphorus dawb no ua haujlwm li cas?
Cov foob pob phosphorus dawb yog ib hom "riam phom uas ua rau kub hnyiab." Qhov no txhais tau tias ntxiv rau kev ua rau puas tsuaj los ntawm kev tawg, lawv kuj tseem tuaj yeem kis hluav taws.
Qhov no tsis yog hluav taws ib txwm muaj. Qhov no yog hluav taws uas tshwm sim los ntawm kev hlawv ntawm phosphorus. Hluav taws no kub hnyiab ntawm qhov kub ntau dua 800 degrees Celsius. Lub foob pob phosphorus dawb tuaj yeem kis tau hluav taws kub hnyiab no hla thaj tsam ntawm ntau pua square yards. Qhov txaus ntshai tshaj plaws yog tias hluav taws yuav tsis tawm mus txog thaum phosphorus hlawv tag . Txhua yam nws xav tau yog cov pa oxygen hauv huab cua.
Vim li no, cov kev raug mob los ntawm cov foob pob phosphorus dawb hnyav dua li cov foob pob ib txwm muaj. Lawv kuj nyuaj heev rau kho. Cov kws kho mob thiab cov neeg ua haujlwm xav tau kev cob qhia tshwj xeeb los kho cov kev raug mob no.
Qhov no cuam tshuam li cas rau tib neeg lub cev?
Lub foob pob phosphorus dawb muaj kev cuam tshuam loj dua rau tib neeg txoj kev noj qab haus huv dua li lwm yam riam phom uas muaj zog tawg zoo sib xws.
Cov nyhuv rau ntawm daim tawv nqaij
Yog tias cov phosphorus dawb nkag mus rau ntawm daim tawv nqaij, nws tuaj yeem ua rau mob heev thiab kub hnyiab tob heev . Cov no tuaj yeem yog "theem ob" lossis "theem peb" kub hnyiab. Qhov no txhais tau tias tsis yog tsuas yog qhov chaw ntawm daim tawv nqaij raug puas tsuaj xwb, tab sis kuj tseem ua rau cov nqaij hauv qab.
Feem ntau qhov kub hnyiab yuav daj thiab muaj ntxhiab qej. Thaum cov phosphorus dawb tseem kub hnyiab rau ntawm daim tawv nqaij, koj yuav pom pa luam yeeb tawm ntawm qhov txhab.
Qhov txaus ntshai tshaj plaws ntawm no yog tias cov phosphorus dawb yog cov khoom uas yaj tau hauv roj . Yog li ntawd, nws yooj yim nqus los ntawm daim tawv nqaij mus rau hauv lub cev, uas yog, mus rau hauv cov ntshav. Thaum nqus tau lawm, nws pib ua rau muaj lwm yam tsos mob hnyav hauv lub cev.
Xav txog seb, txawm tias koj muaj cov phosphorus dawb hlawv tsawg dua 10% ntawm koj lub cev, cov tshuaj lom uas koj lub cev nqus tau tuaj yeem ua rau koj lub raum, siab, thiab lub plawv puas tsuaj, thiab ua rau tuag taus.
Kev noj los yog kev ua pa
Kev noj (nqos) lossis ua pa ntawm cov phosphorus dawb yog qhov txaus ntshai heev. Yog tias ib tug neeg noj cov phosphorus dawb, cov tsos mob tuaj yeem tshwm sim hauv peb theem tseem ceeb.
| Theem | Cov yam ntxwv tseem ceeb |
|---|---|
| Theem 1 | Teeb meem ntawm lub cev zom zaub mov. Tej zaum yuav muaj mob plab thiab ntuav. |
| Theem 2 | "Lub sijhawm ntsiag to". Thaum lub sijhawm 48 teev no, tsis muaj tsos mob tseem ceeb. Tab sis kev puas tsuaj hauv lub cev tseem tshwm sim. |
| Theem 3 | Tus mob hnyav zuj zus sai sai. ntuav heev, mob plab, thiab mob hnyav heev. Lub siab, lub raum, lub plawv, cov hlab ntsha, thiab lub paj hlwb pib qhia cov cim qhia tias puas lawm. |
Tsis tas li ntawd xwb, kev nqus pa dawb phosphorus tuaj yeem ua rau ua pa tsis zoo thiab hnoos.
Cov nyhuv ntev
Kev raug cov phosphorus dawb ntev ntev (piv txwv li, ua haujlwm hauv lub Hoobkas uas tsim nws) tuaj yeem ua rau muaj qhov xwm txheej txaus ntshai hu ua "phossy jaw." Qhov no yog thaum lub pob txha ntawm lub puab tsaig yaj thiab raug rhuav tshem. Hauv kev kho mob, qhov no hu ua necrosis.Nws pib nrog qhov o me me thiab mob hauv lub puab tsaig, tom qab ntawd dhau sijhawm, cov qhov txhab tshwm sim hauv pob txha puab tsaig, thiab thaum kawg lub puab tsaig nws tus kheej tuaj yeem raug rhuav tshem.
Txoj cai lij choj hais li cas txog qhov no?
Muaj ntau tus kws tshaj lij thoob ntiaj teb hais tias kev siv cov foob pob phosphorus dawb yog txhaum cai raws li txoj cai tib neeg thoob ntiaj teb. Muaj ntau daim ntawv cog lus thiab kev pom zoo rau qhov no. Tab sis muaj qee qhov kev tsis pom zoo thiab cov teeb meem txog cov teeb meem kev cai lij choj no. Qee txoj cai lij choj tsis sib haum xeeb, thiab muaj qee lub sijhawm uas cov kev cai lij choj hloov pauv nyob ntawm qhov xwm txheej. Txawm li cas los xij, nws suav hais tias yog riam phom tsis muaj neeg thiab txaus ntshai heev thoob plaws ntiaj teb.
Cov Lus Qhia Txog Kev Coj Mus Tsev
- Cov phosphorus dawb yog ib yam tshuaj uas yooj yim hlawv, muaj tshuaj lom heev, thiab txaus ntshai.
- Cov kub hnyiab tob heev thiab mob heev. Phosphorus kuj tseem tuaj yeem nqus tau los ntawm daim tawv nqaij thiab nkag mus rau hauv lub cev, ua rau cov kab mob sab hauv xws li lub siab, lub raum, thiab lub plawv puas tsuaj, thiab ua rau tuag taus.
- Rau ib tug neeg uas raug tej yam zoo li no, kev kho mob rau qhov kub hnyiab ib txwm yuav tsis txaus. Lawv xav tau kev kho mob tshwj xeeb tam sim ntawd.
- Yog tias leej twg ntsib teeb meem zoo li no, coj lawv mus rau Chav Kho Mob Thaum Muaj Xwm Ceev (ETU) hauv tsev kho mob tam sim ntawd . Yog tias tsim nyog, koj tuaj yeem hu rau Lub Chaw Qhia Txog Tshuaj Lom Hauv Tebchaws ntawm Tsev Kho Mob Colombo National kom tau txais lus qhia.
- Kev paub txog qhov txaus ntshai ntawm cov riam phom no yog qhov tseem ceeb rau peb txoj kev nyab xeeb thiab rau kev xav txog tib neeg.
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Tsis muaj lus teb tau muab tso tawm. Ntxiv koj cov lus tawm ntawm no thawj zaug.
Ntxiv koj cov lus