Ukufika okutsha
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Ukuhlolwa kweendondo zelanga
1. Umgaqo-siseko we-lens ye-UV yokubona ukuhanjiswa kwe-UV Umlinganiselo wokudluliselwa kweelensi zelanga awukwazi ukucutshungulwa njengomlinganiselo olula we-spectral transmittance kubude be-wavelength nganye, kodwa kufuneka ifunyanwe ngokudityaniswa okulinganiselweyo kwe-spectral transmittance ngokobunzima ...Funda ngokugqithisileyo -
Isakhelo sokutofa samehlo
1. Imathiriyeli yokutofa Inkqubo yokubumba yokutofa kukunyibilikisa irayisi yeplastiki (ubukhulu becala iPC, intsimbi yeplastiki, i-TR), kunye nokuyitofa kwi-mold ukuze iphole.Iingenelo zizinzo oluphezulu lwe-dimensional yebhetshi yonke, isantya sokusebenza ngokukhawuleza, kunye nexabiso eliphantsi lilonke.Ububi kukuba uninzi lwe...Funda ngokugqithisileyo -
Izixhobo zetsimbi kwiifreyimu zemiboniso
1. Izinto ezenziwe ngegolide: Kuthatha isilika yegolide njengesiseko, kwaye umphezulu wayo ugqunywe ngumaleko wegolide evulekileyo (K).Kukho imibala emibini yegolide evulekileyo: igolide emhlophe kunye negolide ephuzi.A. igolide Le yintsimbi yegolide ene-ductility elungileyo kwaye phantse akukho discoloration oxidative.Kuba igolide esulungekileyo (24K) ...Funda ngokugqithisileyo -
Indlela yokukhetha izibuko zelanga ezifanelekileyo?
1) Zonke iiglasi zelanga zi-anti-ultraviolet.Ayizizo zonke iiglasi ezichasene ne-ultraviolet.Ukuba unxibe "izibuko zelanga" ezingekho kwi-ultraviolet, iilensi zimnyama kakhulu.Ukuze ubone izinto ngokucacileyo, abafundi baya kwanda ngokwemvelo, kwaye imitha ye-ultraviolet engaphezulu iya kungena emehlweni kwaye amehlo aya kuba ...Funda ngokugqithisileyo -
Iingcebiso zokusebenzisa iindondo zelanga
I-1) Kwiimeko eziqhelekileyo, i-8-40% yokukhanya ingangena kwiiglasi zelanga.Uninzi lwabantu lukhetha i-15-25% yezibuko zelanga.Ngaphandle, iiglasi ezininzi eziguqula umbala zikolu luhlu, kodwa ukukhanya kokukhanya kweeglasi ezivela kubavelisi abahlukeneyo kuyahluka.Iiglasi ezitshintsha umbala omnyama zinokungena ...Funda ngokugqithisileyo -
Ulwazi lweelensi zeglasi
1. Loluphi uhlobo lwemathiriyeli yelensi ekhoyo?Izinto zendalo: ilitye lekristale, ubunzima obuphezulu, akulula ukusila, inokuhambisa imisebe ye-ultraviolet, kwaye ine-birefringence.Izinto ezenziweyo: kubandakanya iglasi ye-inorganic, iglasi ye-organic kunye ne-optical resin.Iglasi ye-inorganic: Inyibilikiswa kwi-silica, i-calciu...Funda ngokugqithisileyo -
Ukungaqondi kakuhle ukhetho lwezibuko zelanga.
Ukungaqondi kakuhle 1: Zonke iiglasi zelanga ziyi-100% ukumelana ne-UV Masiqale siqonde ukukhanya kwe-ultraviolet.Ubude bokukhanya kwe-ultraviolet bungaphantsi kwama-400 uv.Emva kokuba iliso libonakaliswe, liya kulimaza i-cornea kunye ne-retina, okubangela i-keratitis yelanga kunye nomonakalo we-corneal endothelial.Umgangatho ophezulu ...Funda ngokugqithisileyo -
Umxholo womboniso
Rhoqo ngonyaka siya kumboniso optical eTokyo, kwaye saphumelela amabhaso amaninzi, sinembali ende kwinkalo yemveliso yeeglasi, unamava atyebileyo, kunye nabaninzi kushishino lwetyala lobuchwephesha kunye nokusebenzisana neempawu ezininzi ezidumileyo, iiglasi zethu zingumzekelo omhle, ...Funda ngokugqithisileyo -
"Isibuko" ishishini ligcina injongo yalo yokuqala kwaye lihlala lilandela iqela
I-9th Standing Council of China Optical Association kunye Party Building Work Experience Exchange Meeting yabanjwa NgoMeyi 26, iBhunga lesithoba eSime ye-China Optical Association yabanjwa Changsha, Hunan.Bangaphezu kwe-100 abantu abebezimase le ntlanganiso,...Funda ngokugqithisileyo -
Uvulindlela wezibuko zelanga ze-aviator
I-Aviator Sunglasses ngo-1936 Iphuhliswe ngu-Bausch & Lomb, ebizwa ngokuba yi-Ray-Ban Njengoko kunye noyilo oluninzi lwe-iconic, olufana ne-Jeep, iiglasi zelanga ze-Aviator zazenzelwe ukusetyenziswa emkhosini kwaye zaphuhliswa ngo-1936 ukuze abaqhubi bakhusele amehlo abo ngelixa bebhabha.URay-Ban waqala ukuthengisa iindondo kwi ...Funda ngokugqithisileyo