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Video: Cov kuab tshuaj raws li cov tshuaj ntxuav yog dab tsi?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
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Hnyav - raws li cov tshuaj ntxuav tseem nrov nyob rau hauv industrial daim ntaub ntawv vim lawv tu lub zog; lawv tshem tawm cov tuab, ci rau cov roj, av, ntim, cov kua dej, thiab cov roj. Qee qhov piv txwv ntawm muaj zog ntxuav cov kuab tshuaj yog acetone, methyl ethyl ketone, toluene, nPB, thiab trichlorethylene (TCE)
Ib yam li ntawd, dab tsi yog qhov hnyav raws li cov khoom siv hauv tsev?
Tsis zoo li dej raws li tus ntxhua khaub ncaws uas muaj dej ua cov khoom tseem ceeb, a kuab tshuaj raws li huv nta ib los yog ntau yam tshuaj ua cov khoom tseem ceeb. Dej raws li cov tshuaj ntxuav tuaj yeem ua tau zoo ntawm kev tshem tawm cov khoom hnyav xws li kuab tshuaj raws li cov tshuaj ntxuav.
Tsis tas li ntawd, cov kuab tshuaj raws li cov tshuaj yog dab tsi? Lub sij hawm ' hnyav ' yog siv rau ntau tus tshuaj lom neeg tshuaj uas yog siv los yaj los yog dilute lwm yam khoom los yog cov ntaub ntawv. Lawv feem ntau yog cov kua organic. Ntau cov kuab tshuaj kuj tseem siv tau ua tshuaj lom neeg intermediates, fuels, thiab raws li cov khoom ntawm ntau yam khoom.
Qhov thib ob, Pine Sol yog cov kuab tshuaj raws li cov tshuaj ntxuav?
Pine Sol yog ua nrog tiag ntoo tsw, ib yam li cov lag luam thov. Cov tshuaj tsw qab siv yog ntoo roj yam tseem ceeb. Roj txiav surfactants thiab muaj zog tu cov neeg sawv cev, dej, isopropanol (ib qho cawv hnyav nrog antibacterial zog) thiab xantham cov pos hniav puag ncig tawm cov khoom xyaw.
Dab tsi yog cov tshuaj ntxuav dej huv?
Cov khoom siv dej raws li kev ntxuav . Cov tshuaj ntxuav tes dej muab ib puag ncig lwm txoj rau hnyav raws li cov tshuaj ntxuav tes uas, thaum siv tau zoo, sib npaug. AD Waalhaven tsim thiab muab ntau yam ntawm dej raws li cov ntxhua khaub ncaws ntawm ob qho tib si acids thiab alkalines thiab tuaj yeem siv rau hauv cov txheej txheem txias thiab sov.
Pom zoo:
Dab tsi yog cov kuab tshuaj txuas txuas?
Hnyav-weld sib koom. hnyav-weld sib koom. Cov yeeb nkab sib koom ua los ntawm kev nthuav cov cement rau ntawm ob lub yas yas kom koom nrog. Cov cement ua tshuaj lom nrog cov chaw no, yog li ua kom cov khoom tawg
Dab tsi yog qhov txawv ntawm cov khoom raws li kev sau ntawv thiab cov txheej txheem raws li kev sau ntawv?
Hais txog lawv cov txiaj ntsig, qhov sib txawv tseem ceeb yog tias nyob rau hauv ib qho khoom raws li txoj hauv kev, cov qauv ntawv tau qhia thaum xub thawj, txawm li cas los xij, hauv cov txheej txheem raws li txoj hauv kev, cov qauv ntawv tau muab rau thaum kawg lossis hauv nruab nrab ntawm cov txheej txheem sau ntawv
Dab tsi ntawm cov kuab tshuaj yog roj av ether polar lossis nonpolar)? Piav?
Cov roj av ether yog sib xyaw ntawm ntau cov hydrocarbons, feem ntau yog pentane thiab hexane, uas nyob rau hauv lem tsuas yog tsim los ntawm Carbon thiab Hydrogen, (uas tam sim no qhov tseem ceeb ntawm ze electronegativity), yuav luag tsis muaj polar
Cov kuab tshuaj raws li cov tshuaj yog dab tsi?
Lo lus 'hloov' yog siv rau ntau cov tshuaj lom neeg uas siv los yaj lossis dilute lwm yam khoom lossis cov khoom siv. Lawv feem ntau yog cov kua organic. Ntau cov kuab tshuaj kuj tseem siv los ua cov tshuaj intermediates, fuels, thiab ua cov khoom ntawm ntau yam khoom
Dab tsi yog qhov yuav tsum tau xav txog hauv kev xaiv cov kuab tshuaj rau kev rho tawm?
Cov hauv qab no yuav tsum tau txiav txim siab thaum xaiv cov kuab tshuaj rau kev lag luam: hnyav zog (kev xaiv); polarity; boiling kub - qhov no yuav tsum tsis muaj nyob rau hauv thiaj li yuav pab kom tshem tawm cov kuab tshuaj los ntawm cov khoom; latent cua sov ntawm vaporization;