Video: Cov tshuaj txhuam hniav puas yog cov khoom sib xyaw lossis cov khoom ntshiab?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Yog tias muaj a sib tov ntawm cov khoom los yog cov ntsiab lus, a khoom tsis yog dawb huv . Yog li los ntawm tus kws tshawb fawb pom, tshuaj txhuam hniav yuav luag tsis muaj ib cov khoom ntshiab , nws muaj ntau hom sib txawv sib xyaw ua ke.
Ib yam li ntawd, nws raug nug, yog tshuaj txhuam hniav puas sib xyaw?
Tshuaj txhuam hniav yog colloid, vim nws yog ib feem khoom thiab ib feem kua. Colloid yog qhov sib txawv sib tov ntawm ob yam tshuaj ntawm theem sib txawv. Shaving qab zib thiab lwm yam ua npuas yog roj tawg hauv cov kua. Jello, tshuaj txhuam hniav , thiab lwm yam gels yog kua dispersed nyob rau hauv cov khoom.
Ib yam li ntawd, hom tshuaj twg yog tshuaj txhuam hniav? Cov tshuaj no yog tshuaj fluoride , antibacterial agents, desensitizing agents, anti-tarter agents, sodium bicarbonate (baking soda), enzymes, thiab xylitol . Cov no yog cov tshuaj uas siv los ua cov tshuaj txhuam hniav. Txhua yam ntawm cov tshuaj no muaj nws lub hom phiaj. Tshuaj fluoride tiv thaiv thiab ntxiv dag zog rau cov hniav.
Tom qab ntawd, cov tshuaj txhuam hniav puas yog qhov sib xyaw lossis kev daws teeb meem?
Cov tshuaj txhuam hniav tuaj yeem yog qhov sib xyaw lossis sib xyaw. Cov tshuaj txhuam hniav "laus fashioned" muaj ib qho tshuaj formula thiab yog li yooj yim sib txuas , txawm li cas los xij, cov tshuaj txhuam hniav tshiab uas muaj microgranules hauv lawv thiab ntau hom tshuaj sib xyaw sib xyaw ua ke yuav poob ib feem ntawm cov khoom sib xyaw.
Cov cwj mem puas yog cov khoom ntshiab?
Graphite ( mem hluav lead ) yog dawb huv carbon zoo li pob zeb diamond. Ua li cas graphite coj tus cwj pwm txawv ntawm pob zeb diamond? Ib qho piv txwv ua kua: Distilled dej yog a cov khoom ntshiab.
Pom zoo:
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