Video: Cov plaub hau muaj zog chemical bonds tawg li cas?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lawv yog tawg los ntawm pH hloov nyob rau hauv lub plaub hau nyob rau hauv ob qho tib si acid thiab alkaline kev taw qhia. Nws yog yooj yim tawg thaum siv cov khoom ntawm pH ntawm 5.5 lossis ntau dua. Readjusting cov cov plaub hau pH yuav hloov kho thiab ruaj khov rau cov no daim ntawv cog lus.
Tsis tas li ntawd, cov plaub hau muaj zog chemical sab bonds puas tawg?
Cov plaub hau fibers yog tuav nyob rau hauv qhov chaw los ntawm lub daim ntawv cog lus uas attribute rau elasticity thiab lub zog ntawm plaub hau . Ib hydrogen daim ntawv cog lus tau yooj yim yuav tawg los ntawm dej los yog cua sov, thiab yog lub cev sab daim ntawv cog lus . Ua ke, hydrogen daim ntawv cog lus account rau ib feem peb ntawm cov plaub hau lub zog Ntsev daim ntawv cog lus kuj yog lub cev sab daim ntawv cog lus.
Ib qho ntxiv, koj yuav ua li cas txhawm rau txhawm rau hydrogen cov plaub hau? Nco ntsoov tias hydrogen bonding account rau ib feem peb ntawm cov cov plaub hau lub zog Cov hydrogen daim ntawv cog lus tau yooj yim tawg los ntawm dej lossis cua sov thiab hloov kho los ntawm kev ziab lossis ua kom txias plaub hau . Cov no daim ntawv cog lus yog dab tsi tso cai rau peb los tsim lub plaub hau nrog ib tug ca hlau los yog curling hlau nyob rau hauv ib tug txheej txheem hu ua 'dej teeb'.
Ib yam li ntawd, tib neeg nug, hom kev khi twg tau tawg los ntawm cov plaub hau ntub?
Keratin muaj ib tug ntev strand ntawm amino acids ua los ntawm cohesive chains tuav ua ke los ntawm cov tshuaj hauv qab no. daim ntawv cog lus : hydrogen, saline, hydrophobic, thiab muaj zog tshaj ntawm daim ntawv cog lus , disulfide txuas hniav. Qhov tsis muaj zog hydrogen daim ntawv cog lus tuaj yeem nyob ib ntus tawg los ntawm dej, cua sov, thiab av noo, ua rau lub plaub hau moldable.
Yuav ua li cas peptide bond hauv cov plaub hau raug hloov pauv?
A peptide daim ntawv cog lus yog hloov kho los ntawm kev ziab los yog txias. False - A peptide bond ua tsis hloov kho ; ib hydrogen daim ntawv cog lus yog hloov kho los ntawm ziab lossis txias. Vellus plaub hau tsis pigmented thiab yuav luag tsis muaj medulla.
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