Video: Lawv ua hniav cuav li cas?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
The lab boils cov cov hniav kom tshem tau ntawm cov khoom siv quav ciab. Qhov yog indented rau hauv cov hniav yog li cov khoom tuaj yeem txuas rau nws. Tom qab ntawd, lub tshuab hu ua IvoBase txhaj cov kua acrylic rau hauv cov pwm kom lo rau hniav hniav . Cov cov hniav yog ntxuav thiab polished.
Tom qab ntawd, koj puas tuaj yeem ua koj tus kheej cuav?
Yog, DIY hniav hniav Kit ua tau ua ua ncaj qha rau hauv lub qhov ncauj. Nws pab kom muaj pwm ua haujlwm tab sis ua tau ua cov hniav nyob rau hauv lub qhov ncauj nyob rau hauv pem hauv ntej ntawm ib daim iav.
Ib qho ntxiv, nws yuav siv sij hawm ntev npaum li cas txhawm rau txhuam hniav tom qab rub cov hniav? Tus kws kho hniav yuav muab rau koj ib ntus tam sim ntawd cov hniav raws li cov ntaub so ntswg zoo. Thaum cov ntaub so ntswg tau kho tag nrho, lub sijhawm yog tsim nyog ntxiv cov hniav rau koj lub qhov ncauj. Feem ntau, nws feem ntau siv ntawm rau thiab yim lub lis piam raws li cov hniav extraction rau cov hniav muab tso rau.
cov hniav cuav raug nqi pes tsawg?
Cov nqe ntawm cov hniav Raws li Phau Ntawv Kho Mob Xiav, uas muab kwv yees kev ncaj ncees, tus nqi nruab nrab rau kev pabcuam kev noj qab haus huv, a teeb ntawm tiav cov hniav yuav tsum tus nqi kwv yees li $ 1, 300. Tam sim ntawd cov hniav , lub caij no, tus nqi txog $1,450, uas zoo ib yam li cov tus nqi ntawm cam khwb cia hlau ib nrab cov hniav.
Lawv siv dab tsi los ua hniav cuav?
Hniav hniav xav tau lub moj khaum los txhawb lawv, uas feem ntau yog hu ua ib daim ntawv puv lossis ib nrab. Cov phaj no tuaj yeem ua los ntawm cov tawv acrylic resin lossis ib hom kev hloov pauv (nylon) polymer, raws li tau piav qhia los ntawm International Journal of Scientific Study. Los yog nws tuaj yeem ua los ntawm chrome cobalt hlau.
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Koj yuav xam tus nqi cuav cuav li cas?
Kev suav xam cuam tshuam Tus nqi cuav (α) = hom I yuam kev = 1 - qhov tshwj xeeb = FP / (FP + TN) = 180 / (180 + 1820) = 9% Tus lej tsis raug cuav (β) = hom II yuam kev = 1 - rhiab heev = FN / (TP + FN) = 10 / (20 + 10) = 33% Hwj chim = rhiab heev = 1 - β
Koj ua tus cuav sib txawv hauv koj cov hniav li cas?
Cov hniav sib txawv tam sim no tau nrov, thiab tau saib rau koj cov khaub ncaws tsuas yog xav tau ib yam khoom: eyeliner. Ua ntej tshaj, koj xav ntxuav koj cov hniav nrog cawv thiab nqus cov huab cua kom qhuav tawm ntawm qhov chaw. Thov ib daim tawv muag dub los yog cov xaum dej tsis zoo rau ntawm ob sab hniav
Dab tsi yog qhov txawv ntawm cov hniav cuav thiab cov hniav cuav?
Ib qhov sib txawv tseem ceeb ntawm ob txoj hauv kev yog qhov ua kom hniav ntau dhau tuaj yeem raug tshem tawm los ntxuav hauv tsev, thaum kho hniav puas tas yog tsim los nyob hauv koj lub qhov ncauj tas mus li
Koj yuav khaws cov hniav cuav li cas?
Khaws koj cov hniav hniav kom pab ua kom koj cov hniav ruaj khov cov yas no yuav tsum tau khaws cia hauv dej thaum koj tsis hnav nws vim tias cov hniav acrylic tuaj yeem cuam tshuam los yog cuam tshuam yog tias lawv qhuav, uas tuaj yeem cuam tshuam rau koj cov hniav hniav haum, uas yuav xav tau koj hloov koj cov hniav hniav sai dua. xav tias