2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Yog tias cov tee kis, ntub thaj chaw loj ntawm qhov chaw, ces lub kaum sab xis ntawm qhov sib cuag yog tsawg dua 90 degrees thiab qhov saum npoo yog suav tias yog hydrophilic, lossis dej-hlub (los ntawm cov lus Greek rau dej, hydro, thiab kev hlub, philos).
Ntxhais dej molecule hu ua dab tsi?
Cov khoom uas yaj tau yooj yim thiab yooj yim hauv dej (qab zib, ntsev, thiab lwm yam) hu ua dej-hlub, lossis hydrophilic substances. … Cov dej molecules tsis nyiam rau cov hom molecules (thiab, qhov tseeb, qee zaum kuj raug tshem tawm los ntawm lawv).
lo lus hydrophilic txhais li cas?
: ntawm, ntsig txog, lossis muaj kev sib raug zoo rau cov dej hydrophilic colloids swell hauv dej thiab yog cov muag muag muag muag yog ua los ntawm cov yas hydrophilic, uas absorbs dej - Sib piv lipophilic, lyophilic, oleophilic.
dej ntxub dab tsi?
Hydrophobic txhais tau tias "dej-ntxub." Cov pab pawg tshuaj uas nyiam ua cov tshuaj hydrophobic suav nrog -CH2- chains thiab rings (hydrocarbons). … Qhov ntxeev ntawm hydrophobic yog hydrophilic, nyiam dej. Surface-active agents muaj ob pawg hydrophobic thiab hydrophilic ntawm tib lub molecules.
Dab tsi yog hydrophilic rau dej?
Hydrophilic, raws li txhais los ntawm Merriam-Webster Dictionary, yog, "ntawm, ntsig txog, lossis muaj kev sib raug zoo rau dej." Qhov no tseem ceeb txhais tau tias muaj peev xwm sib tov zoo, yaj, lossis nyiamrau dej.
Pom zoo:
Puas txhais tau tias hlub?
: kev xav ntawm kev hlub lossis kev qhuas tus cwj pwm ntxim nyiam / zoo … Yuav ua li cas zoo nkauj? "Feem ntau cov neeg zoo li pom kev hlub pab cov neeg nrog lawv ua ntej hauv lub neej vim tias tib neeg nyiam lawv - hauv qhov chaw ntawm tus kheej thiab kev tshaj lij,"
Puas yog dej resistant txhais tau tias tsis muaj dej?
Lub ntsiab lus ntawm kev tiv thaiv dej yog tias nws muaj peev xwm tiv thaiv cov dej nkag mus rau qee qhov, tab sis tsis tag nrho. Waterproof technically txhais tau tias nws yog impermeable rau dej, txawm nws siv sijhawm npaum li cas hauv dej.
Puas yog kev hais lus cog lus txhais tau tias?
Kev sib hais plaub yog qhov tseem ceeb ntawm kev sim me me los txiav txim seb puas muaj pov thawj txaus los mus rau tom ntej mus rau qhov kev sim tiag tiag. … Yog tias tsis muaj ntaub ntawv pov thawj txaus rau rooj plaub mus sib hais, qhov kev foob yuav raug muab tshem tawm, lossis rooj plaub raug tshem tawm.
Emoji twg txhais tau tias hlub?
? Lub ntsiab lus. ? Lub ntsej muag luag ntxhi nrog lub siab qhia txog lub ntsej muag daj nrog lub ntsej muag luag ntxhi, lub plhu plhu, thiab ob peb lub siab nyob ib puag ncig nws lub taub hau, zoo li hauv huab kev hlub. Nws feem ntau qhia cov kev xav sov thiab tsis muaj zog, tshwj xeeb tshaj yog tias kev hlub lossis kev hlub nrog ib tug neeg lossis ib yam dab tsi.
Puas ntxim hlub txhais tau tias hlub?
Nkauj kho siab piav ib yam los yog ib tug neeg ntxim hlub heev, zoo li tus miv los yog koj tus phooj ywg kev lom zem. txhais li cas yog ib tug hu koj hlub? Yog koj piav ib tug cwj pwm li kev hlub, koj txhais tau tias nws ua rau koj nyiam lawv heev.
