Video: Muaj pes tsawg hom fluorosis muaj?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Nyob ntawd yog ob hom tshuaj fluorosis , thiab lawv muaj txawv cov tsos mob thiab cov kev mob tshwm sim.
Hauv qhov no, hom tshuaj fluorosis yog dab tsi?
Raws li kws kho mob, muaj peb cov ntaub ntawv ntawm tshuaj lom tshuaj fluoride lossis fluorosis , feem ntau yog kev kho hniav fluorosis . Lwm ob cov ntaub ntawv yog skeletal thiab non-skeletal fluorosis . Hniav fluorosis ua rau daj, xim av los yog dub streaks los yog me ntsis ntawm cov hniav.
Tom qab ntawd, lo lus nug yog, dab tsi yog fluorosis nws tshwm sim li cas? Hniav fluorosis yog ib qho teeb meem tshwm sim, tshwj xeeb los ntawm hypomineralization ntawm cov hniav txha hniav laus ua los ntawm kev noj cov tshuaj fluoride ntau dhau thaum lub sij hawm tsim enamel. Nws tshwm raws li ntau yam ntawm kev hloov pauv pom nyob rau hauv txha hniav laus ua rau qib ntawm kev hloov xim ntawm tus kheej, thiab, qee zaum, lub cev puas tsuaj rau cov hniav.
Tsis tas li ntawd, kab mob fluorosis yog dab tsi?
Fluorosis yog ib yam khoom zoo nkauj uas cuam tshuam rau cov hniav. Nws yog tshwm sim los ntawm overexposure rau fluoride thaum thawj yim xyoo ntawm lub neej. Lub sijhawm no yog lub sijhawm uas feem ntau cov hniav raug tsim. Tom qab cov hniav tuaj, cov hniav ntawm cov neeg cuam tshuam los ntawm fluorosis tej zaum yuav tshwm me ntsis discolored.
Tus kab mob fluorosis zoo li cas?
Fluorosis cuam tshuam ze li ntawm ib ntawm txhua plaub tus neeg Amelikas hnub nyoog 6 txog 49 xyoo. Nws yog qhov tshwm sim feem ntau ntawm cov hnub nyoog 12 txog 15. Feem coob ntawm cov mob me, thiab tsuas yog kwv yees li 2% yog suav tias yog nruab nrab. Tsawg dua 1% yog mob hnyav.
Pom zoo:
Muaj pes tsawg hom iris muaj?
300 hom Yooj yim heev, yuav ua li cas kuv thiaj paub tias kuv muaj Iris hom twg? Saib cov av sab xis ntawm lub hauv paus ntawm nplooj. Ib txhia iris yuav muaj rhizome zaum ntawm qib av lossis txawm tias siab dua theem av, zoo li hauv daim duab hauv qab no.
Muaj pes tsawg hom kev hloov pauv cov lus qhia muaj nyob rau tam sim no hauv lus Mev?
Txhawm rau sib txuas ua ke nyob rau lub sijhawm tam sim no, tsuas yog siv lub qia thiab ntxiv qhov xaus kom raug (o, a, as, amos, áis, an). Qia-hloov cov lus qhia tsis ua raws tus qauv no. Raws li koj yuav tau kwv yees, cov qia ntawm cov lus qhia no tau hloov pauv thaum sib txuas. Muaj peb yam yooj yim ntawm kev hloov pauv qia
Muaj pes tsawg hom kev hloov pauv cov lus qhia muaj nyob rau tam sim no?
Muaj peb txoj hauv kev sib txawv uas lub hauv paus ntawm cov lus qhia tuaj yeem hloov pauv tam sim no
Muaj pes tsawg hom pob txha uas peb muaj?
peb hom Ntawm no, dab tsi yog 2 hom pob txha? Hom pob txha. Muaj ob hom pob txha loj: khov thiab muaj kua. Cov pob txha tawv tuaj yeem sab hauv, hu ua an endoskeleton , lossis sab nraud, hu ua an exoskeleton , thiab tej zaum yuav raug cais ntxiv raws li pliant (elastic/movable) lossis txhav (nyuaj/tsis txav tau).
Muaj pes tsawg grams yog pes tsawg pea?
Qhov no yog qhov tseem ceeb tshwj xeeb rau cov menyuam yaus, sowing 'pea-sized amount' feem ntau pom zoo. Txawm li cas los xij, muaj cov lus qhia me me hais txog qhov no txhais li cas hauv kev xyaum, txawm hais tias nws tau qhia tias yog 0.25 g