Tuaj txog tshiab
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Yuav xaiv cov looj tsom iav zoo li cas?
1) Txhua lub looj tsom iav dub yog tiv thaiv ultraviolet. Tsis yog txhua lub looj tsom iav dub yog tiv thaiv ultraviolet. Yog tias koj hnav "sunglasses" uas tsis yog tshuaj tiv thaiv ultraviolet, lo ntsiab muag tsaus dhau. Yuav kom pom tej yam kom meej meej, cov menyuam kawm ntawv yuav loj tuaj, thiab ntau dua ultraviolet rays yuav nkag mus rau lub qhov muag thiab lub qhov muag yuav af ...Nyeem ntxiv -
Cov lus qhia txog kev siv looj tsom iav dub
1) Raws li ib txwm muaj, 8-40% ntawm lub teeb tuaj yeem nkag mus rau cov looj tsom iav dub. Cov neeg feem coob xaiv 15-25% looj tsom iav dub. Sab nraum zoov, feem ntau xim-hloov tsom iav yog nyob rau hauv no ntau yam, tab sis lub teeb transmittance ntawm iav los ntawm txawv manufacturers txawv. Tsaus xim hloov tsom iav tuaj yeem nkag mus ...Nyeem ntxiv -
Kev paub txog iav lo ntsiab muag
1. Cov ntaub ntawv lo ntsiab muag muaj dab tsi? Cov ntaub ntawv ntuj: siv lead ua pob zeb, siab hardness, tsis yooj yim rau zom, tuaj yeem xa cov hluav taws xob ultraviolet, thiab muaj birefringence. Cov khoom siv dag zog: suav nrog iav inorganic, organic iav thiab optical cob. Inorganic iav: Nws yog smelted los ntawm silica, calciu ...Nyeem ntxiv -
Kev nkag siab yuam kev ntawm kev xaiv looj tsom iav dub.
Kev nkag siab yuam kev 1: Txhua lub looj tsom iav dub yog 100% UV tiv thaiv Cia peb xub nkag siab txog lub teeb ultraviolet. Lub wavelength ntawm ultraviolet lub teeb yog qis dua 400 uv. Tom qab qhov muag pom, nws yuav ua rau lub cornea thiab retina puas, ua rau hnub ci keratitis thiab pob txha endothelial puas.High-qualit...Nyeem ntxiv -
Exhibition cov ntsiab lus
Txhua xyoo peb tuaj koom optical exhibition hauv Tokyo, thiab yeej ntau yam khoom plig, peb muaj keeb kwm ntev nyob rau hauv lub tsom iav ntau lawm, muaj kev nplua nuj, nrog rau ntau yam nyob rau hauv kev lag luam ntawm cov kws tshaj lij cov ntaub ntawv thiab koom tes nrog ntau lub npe nrov, peb tsom iav qauv zoo nkauj, ...Nyeem ntxiv -
"Daim iav" kev lag luam khaws nws lub hom phiaj qub thiab ib txwm ua raws li tog
Lub 9th Sawv Cev Sawv Cev ntawm Tuam Tshoj Optical Association thiab Party Building Experience Exchange Meeting tau muaj nyob rau lub Tsib Hlis 26, Lub Rooj Sib Tham thib Ninth ntawm Tuam Tshoj Optical Association tau tuav hauv Changsha, Hunan. Ntau tshaj 100 tus neeg tuaj koom lub rooj sib tham, ...Nyeem ntxiv -
Pioneer ntawm aviator looj tsom iav dub
Aviator Sunglasses 1936 Tsim los ntawm Bausch & Lomb, lub npe hu ua Ray-Ban Raws li nrog ntau lub cim tsim, xws li Jeep, Aviator looj tsom iav dub tau tsim los siv tub rog thiab tsim xyoo 1936 rau cov kws tsav dav hlau los tiv thaiv lawv lub qhov muag thaum ya. Ray-Ban pib muag cov iav rau th...Nyeem ntxiv
