verb (siv nrog cov khoom), kos kub, kub kos, kub kos·ing. Hlau ua haujlwm. los kos (xaim, tubing, thiab lwm yam) ntawm qhov kub siab txaus kom tso cai recrystallization.
txheej txheem kos duab kub yog dab tsi?
Kev kos duab yog txheej txheem hlau uas siv lub zog tensile los ncab (elongate) hlau, iav, lossis yas. Raws li cov hlau yog rub (rub), nws stretches ua thinner, kom ua tiav cov duab thiab thickness. … Qhov pib ntawm kev kos duab txias yog kub dov Tshuag ntawm qhov loj me.
Dab tsi yog khaub thuas?
1: kos (raws li hlau lossis nylon) thaum txias lossis tsis siv cua sov. 2: rau txias-nias (zaub roj)
Vim li cas cov duab kos siv hlau ua haujlwm?
Kev kos duab yog cov txheej txheem hlau ua haujlwm ua los ntawm cov tuam txhab tsim khoom. Nws muaj peev xwm ncua ntev ntawm cov hlau los ntawm rub thiab ncab cov hlauNws yog hu ua "kos duab" vim lub tshuab "kos" cov hlau ntawm nws. Raws li cov hlau stretches, nws ua ntev thiab nyias.
Dab tsi yog kos duab txias?
Cov duab txias yog txheej txheem txheej txheem hlau uas yog ib qho ntawm cov hlau raug yuam los ntawm ib qho lossis cov kab tuag, yog li txo qhov seem ntawm qhov loj ntawm qhov qub. Cov txheej txheem kev kos duab txias ua rau muaj qhov sib npaug zoo ib yam khoom kawg, thaum txhim kho ob qho tib si tawm los thiab lub zog tensile.
