2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Dispersed theem: huab cua, Dispersion nruab nrab: kua (dej)
Dab tsi yog qhov tawg ntawm cov npuas dej?
Nyob rau hauv froth, lub cev lub cev ntawm cov theem dispersed yog gas thiab qhov nruab nrab dispersion yog kua. Froth yog ib qho piv txwv ntawm ib qho ntawm yim hom ntawm colloidal system nyob rau hauv lub hauv paus ntawm seb dispersed theem thiab dispersion nruab nrab yog khib nyiab, kua los yog gases.
colloidal txhais li cas?
[kŏl′oid′] Ib qho sib xyaw uas cov khoom me me ntawm ib yam khoom raug faib sib npaug thoob plaws lwm yam khoom. Cov khoom feem ntau loj dua li cov hauv kev daws teeb meem, thiab me dua li cov hauv kev ncua. Xim, mis, thiab pos huab yog colloids.
Dab tsi yog cov khoom tseem ceeb ntawm ua npuas ncauj?
Ntau yam khoom tseem ceeb rau tus cwj pwm ntawm cov npuas dej ntau, raws li muaj nyob hauv lub raj mis, yog ua npuas dej zoo, ua npuas ncauj, npuas loj faib, ua npuas ncauj ruaj khov, thiab ua npuas ncauj ntom ntom. Ua npuas ncauj zoo yog qhov ntim feem pua ntawm cov pa hauv npuas ntawm lub siab thiab qhov kub thiab txias.
8 hom colloids yog dab tsi?
Raws li theem ntawm qhov nruab nrab dispersion thiab theem dispersed, peb tuaj yeem faib cov colloids ua yim pawg:
- Aerosol.
- Solid aerosol.
- YEmulsion.
- Sol.
- nplua nuj ua npuas ncauj.
- Gel.
- Solid sol.
Pom zoo:
Puas yog nruab nrab thiab nruab nrab?
Tab sis peb xav hais tias: Nws sawv ntawm nws cov phooj ywg. "midst" txhais tau tias, roughly, "middle" (raws li lub npe). "Amidst" txhais tau tias "hauv nruab nrab" lossis "ntawm" lossis "
Puas yog nruab nrab thiab nruab nrab tib yam?
Average Median Qhov nruab nrab yog tus lej arithmetic mean ntawm cov lej. Qhov nruab nrab yog tus lej tus nqi uas sib cais qhov siab dua ib nrab ntawm qhov teeb tsa los ntawm ib nrab qis. Puas yog nruab nrab txhais tau tias nruab nrab?
Puas yog nruab nrab phem tshaj qhov nruab nrab?
Yog li ntawd, 'mediocre' yog tsuas yog thiab tsuas yog derogatory, me ntsis hnyav dua li 'qub' thiab hais txog tib yam li 'tsis muaj dab tsi sau hauv tsev'. 'Nruab nrab' yog zoo siv nyob rau hauv nws nruj me ntsis kev paub txog zauv/statistical.
Nyob rau hauv lub system twg yog tsoom fwv hauv nruab nrab tsis muaj zog tshaj?
Lub hauv paus tseemfwv hauv tebchaws Meskas hu ua tsoomfwv, thiab nws qhov tsis muaj zog tshaj plaws yog nws tsis muaj peev xwm tiv thaiv thiab tswj hwm hnub ib hnub… nom tswv twg uas muaj tsoom fwv tsis muaj zog tshaj plaws? Cov Kab lus ntawm Confederation sawv cev rau tsoomfwv txoj cai, a confederation, uas muaj tsoomfwv tsis muaj zog thiab tsoomfwv lub xeev muaj zog.
Puas muaj qhov ncauj qhov ncauj thiab lub qhov ncauj?
Tus paramecium siv nws cov cilia los cheb cov zaub mov nrog rau qee cov dej rau hauv lub qhov ncauj ntawm tes tom qab nws poob rau hauv qhov ncauj. Cov zaub mov nkag mus hauv lub qhov ncauj mus rau hauv lub gullet. kev sib raug zoo ntawm qhov ncauj zawj thiab gullet yog dab tsi?
