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tr90 ncej yog dab tsi?
TR-90 (yas titanium) yog ib yam khoom siv polymer nrog kev nco.Nws yog qhov nrov tshaj plaws ultra-light spectacle thav duab khoom nyob hauv lub ntiaj teb.Nws muaj cov yam ntxwv ntawm super toughness, cuam tshuam tsis kam thiab hnav tsis kam, tsis tshua muaj kev sib txhuam coefficient, thiab lwm yam, kev puas tsuaj rau lub qhov muag thiab lub ntsej muag vim b ...Nyeem ntxiv -
TR90 ncej thiab acetate thav duab, koj puas paub qhov twg zoo dua?
Dab tsi yuav tsum tau ceev faj thaum xaiv ib lub thav duab?Nrog rau txoj kev loj hlob ntawm kev lag luam tsom iav, ntau thiab ntau cov ntaub ntawv raug siv rau lub thav duab.Tom qab tag nrho, tus ncej yog hnav ntawm lub qhov ntswg, thiab qhov hnyav sib txawv.Peb tsis tuaj yeem hnov nws hauv lub sijhawm luv, tab sis nyob rau lub sijhawm ntev, nws yog ...Nyeem ntxiv -
Yuav xaiv cov lo ntsiab muag li cas?
Lub qhov muag zoo nkauj yog qhov "npau taws" zoo rau kev yos hav zoov cov neeg nyiam sib deev.Cov poj niam nyob rau hauv lub caij nyoog tshiab, thiab txawm tias cov txiv neej uas yog nyob rau hauv lub forefront ntawm kev loj hlob tiam sis, twb muaj ib tug zoo xav tau rau lub qhov muag kev zoo nkauj tuam txhab uas muag: mascara, eyeliner, qhov muag ntxoov ntxoo, txhua yam ntawm cov cuab yeej tswj tau yooj yim avail ...Nyeem ntxiv -
Cov txheej txheem optimization yog tus yuam sij rau kev ciaj sia ntawm lub khw muag tsom iav
Nrog rau kev rov qab los tsis tu ncua ntawm kev lag luam thoob ntiaj teb thiab kev hloov pauv tsis tu ncua ntawm cov tswv yim noj, tsom iav tsis yog ib qho cuab yeej los kho qhov muag.Cov looj tsom iav dub tau dhau los ua ib feem tseem ceeb ntawm tib neeg lub ntsej muag accessories thiab lub cim ntawm kev zoo nkauj, kev noj qab haus huv thiab kev zam.Tom qab kaum xyoo...Nyeem ntxiv -
qhib lub khw muag khoom cov txheej txheem rau qhib lub khw?
Cov 6 cov kauj ruam no yog qhov tseem ceeb Tsis ntev los no, ntau tus phooj ywg txawv teb chaws tau nug yuav ua li cas qhib lub khw muag khoom kho qhov muag thiab yuav ua li cas txo tus nqi.Rau cov neeg tshiab, feem ntau ntawm lawv tsuas yog hnov tias lub khw muag khoom muaj txiaj ntsig zoo dua, yog li lawv xav qhib lub khw muag khoom kho qhov muag.Qhov tseeb, nws tsis yog th...Nyeem ntxiv -
Yuav Ua Li Cas Xaiv Cov Kws Tshaj Lij Rau Cov Menyuam Qhov Muag tsom iav
1. Cov ntaub qhwv lub qhov ntswg txawv ntawm cov neeg laus, cov menyuam yaus lub taub hau, tshwj xeeb tshaj yog lub kaum sab xis ntawm lub qhov ntswg thiab qhov nkhaus ntawm tus choj ntawm lub qhov ntswg, muaj qhov sib txawv ntau dua.Cov menyuam yaus feem ntau muaj tus choj qis ntawm lub qhov ntswg, yog li nws yog qhov zoo tshaj plaws los xaiv cov iav nrog lub qhov ntswg siab los yog cov iav tsom iav wi ...Nyeem ntxiv -
Qhov txawv ntawm polarizer thiab looj tsom iav dub
1. Kev ua haujlwm sib txawv Cov looj tsom iav dub siv cov xim dyed ntawm lub tinted lo ntsiab muag kom tsis muaj zog tag nrho lub teeb rau hauv lub qhov muag, tab sis tag nrho cov glare, refracted lub teeb thiab tawg tawg mus rau hauv lub qhov muag, uas tsis tuaj yeem ua tiav lub hom phiaj ntawm qhov muag.Ib qho ntawm cov haujlwm ntawm cov lo ntsiab muag polarized yog lim ...Nyeem ntxiv -
Dab tsi yog polarizer?
Polarizers yog tsim raws li lub hauv paus ntsiab lus ntawm polarization ntawm lub teeb.Peb paub tias thaum lub hnub ci ntsa iab ntawm txoj kev lossis dej, nws ua rau lub qhov muag ncaj qha, ua rau lub qhov muag tsis pom kev, nkees, thiab tsis pom khoom tau ntev, tshwj xeeb tshaj yog thaum koj tsav tsheb ...Nyeem ntxiv -
Cov tsom iav hlau ua li cas?
tsom iav tsim Tag nrho cov iav tsom iav yuav tsum tau tsim ua ntej mus rau hauv ntau lawm.Cov iav tsis yog ntau yam khoom lag luam.Qhov tseeb, lawv zoo ib yam li cov khoom siv tes ua tus kheej thiab tom qab tsim khoom loj.Txij li thaum kuv tseem yog menyuam yaus, kuv xav tias homogeneity ntawm iav tsis yog li ntawd ...Nyeem ntxiv -
Puas yog acetate thav duab zoo dua li cov thav ntawv yas?
Cellulose acetate yog dab tsi?Cellulose acetate yog hais txog cov thermoplastic cob tau los ntawm esterification nrog acetic acid ua cov kuab tshuaj thiab acetic anhydride ua tus neeg sawv cev acetylating nyob rau hauv qhov kev txiav txim ntawm catalyst.organic acid esters.Tus kws tshawb fawb Paul Schützenberge thawj zaug tsim cov fiber ntau hauv xyoo 1865, ...Nyeem ntxiv -
Vim li cas koj hais kom hnav looj tsom iav dub thaum koj tawm mus?
Hnav looj tsom iav dub thaum mus ncig, tsis yog rau qhov pom xwb, tab sis kuj rau qhov muag kev noj qab haus huv.Hnub no peb yuav tham txog looj tsom iav dub.01 Tiv thaiv koj ob lub qhov muag ntawm lub hnub Nws yog ib hnub zoo rau kev mus ncig, tab sis koj tsis tuaj yeem qhib koj lub qhov muag rau lub hnub.Los ntawm kev xaiv ib nkawm looj tsom iav dub, koj tuaj yeem n...Nyeem ntxiv -
Qhov zoo ntawm kev hnav tsom iav.
1. Hnav tsom iav tuaj yeem kho koj qhov pom kev Myopia yog tshwm sim los ntawm qhov tseeb tias lub teeb nyob deb tsis tuaj yeem tsom mus rau retina, ua rau cov khoom nyob deb tsis meej.Txawm li cas los xij, los ntawm kev hnav lub lens myopic, cov duab meej ntawm cov khoom tuaj yeem tau txais, yog li kho qhov pom.2. Hnav tsom iav tuaj yeem ...Nyeem ntxiv
