2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ib yam li cov raj ntawm cov xim, cov raj qub rau cov tshuaj txhuam hniav yog ua los ntawm txhuas. Nrog rau tag nrho cov txiaj ntsig ntawm lub raj collapsible, tau txais qhov kawg ntawm cov tshuaj txhuam hniav tawm ntawm lub raj tseem yog ib qho teeb meem tsis yooj yim.
Puas yog cov tshuaj txhuam hniav muag hauv cov raj txhuas?
tshuaj txhuam hniav hauv ib lub raj tau qhia los ntawm Johnson & Johnson hauv 1889. Tsis ntev tom qab ntawd, tus kws kho hniav New London, Washington Sheffield, pib muag tshuaj txhuam hniav hauv cov raj txhuas hauv xyoo 1890.
Yuav ua li cas yog thawj cov tshuaj txhuam hniav muag hauv cov raj hlau?
Cov tshuaj txhuam hniav ntawd yog Zonweiss, peb cov khoom siv thawj zaug. Johnson & Johnson tau ua rau nws muaj muag nyob rau hauv collapsible hlau hlab nyob rau hauv 1889 - peb thiab xya xyoo ua ntej cov laus tshaj plaws tau txais kev pab ntawm 1892 thiab 1896 rau qhov innovation. Nov yog zaj dab neeg no.
Yuav ua li cas yog cov tshuaj txhuam hniav ua los ntawm?
Lub raj feem ntau yog ua los ntawm HDPE (High Density Polyethylene), 2 yas.
Thaum twg cov tshuaj txhuam hniav pib los hauv lub raj?
Xyoo 1873, Colgate tau pib tsim cov tshuaj txhuam hniav loj hauv hub. Colgate qhia nws cov tshuaj txhuam hniav hauv ib lub raj zoo ib yam li cov tshuaj txhuam hniav niaj hnub no hauv xyoo 1890.
Pom zoo:
Cov khoom xyaw twg hauv qab no ua cov tshuaj tsw qab hauv cov tshuaj txhuam hniav?
Sodium lauryl sulfate (SLS) yog surfactant feem ntau siv. YPuas yog tshuaj txhuam hniav puas yog surfactant? Surfactants. Ntau, txawm tias tsis yog tag nrho, tshuaj txhuam hniav muaj sodium lauryl sulfate (SLS) lossis lwm yam surfactants (detergents).
Puas siv cov tshuaj txhuam hniav puas zoo rau koj cov hniav?
Flossing pab txhawb kev tu hniav zoo vim nws nqa thiab tshem cov quav hniav thiab zaub mov hauv nruab nrab ntawm koj cov hniav. Kev txhuam hniav kuj tshem tawm cov quav hniav thiab cov khoom noj khoom haus, tab sis cov txhuam hniav ntawm cov txhuam hniav tsis tuaj yeem ncav cuag tob hauv nruab nrab ntawm cov hniav kom tshem tawm tag nrho.
Thaum twg siv cov tshuaj tua kab mob hauv cov hlab ntsha?
Ib qho tshuaj tua kab mob yog siv txhawm rau tshuaj xyuas koj lub raum, ureters thiab zais zis. Nws cia koj tus kws kho mob pom qhov loj thiab cov duab ntawm cov qauv no thiab txiav txim siab seb lawv puas ua haujlwm zoo. Pyelography siv rau dab tsi?
Puas yog cov hlab ntsha loj dua cov hlab ntsha?
Arterioles nqa ntshav thiab oxygen mus rau hauv cov hlab ntsha me tshaj plaws, cov hlab ntsha. Capillaries yog li ntawd small lawv tsuas pom tau nyob hauv lub tshuab tsom. Cov phab ntsa ntawm capillaries yog permeable rau oxygen thiab carbon dioxide.
Puas tshuaj pleev thaiv hnub nkag mus rau hauv cov hlab ntsha?
CHICAGO (Reuters) - Cov kws tshawb fawb ntawm US Food and Drug Administration tau qhia tias cov tshuaj nquag hauv cov tshuaj pleev thaiv hnub tuaj yeem nkag mus rau hauv cov hlab ntsha, lees paub qhov xav tau kev sim ntau ntxiv txog seb cov khoom no puas nyab xeeb, cov kws tshawb fawb tau hais rau hnub Tuesday.
