Ilimin samfur
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Har ila yau, ruwan tabarau suna da ranar karewa, ya kamata a maye gurbin ruwan tabarau
Daidai da taya, buroshin hakori da batura, ruwan tabarau kuma suna da ranar karewa.Don haka, tsawon lokacin da ruwan tabarau za su iya wucewa?A haƙiƙa, ana iya amfani da ruwan tabarau a hankali don watanni 12 zuwa watanni 18.1. Lens freshness Yayin amfani da ruwan tabarau na gani, za a sawa saman zuwa wani matsayi.Lens na resin na iya ...Kara karantawa -
Mafi kyawun ruwan tabarau - ruwan tabarau na sarari PC, ka sani?
1. Menene ruwan tabarau na PC?PC ne mai kyau yi na thermoplastic injiniya robobi, shi ne biyar injiniya robobi a cikin mai kyau nuna gaskiya na samfurin, amma kuma a cikin 'yan shekarun nan da sauri girma na janar injiniya robobi.A halin yanzu, ana amfani da shi sosai a cikin ...Kara karantawa -
Ana amfani da diaphragm na PC azaman ruwan tabarau don zama na al'ada?Menene amfanin ruwan tabarau na PC?
Polycarbonate (PC), kuma aka sani da PC filastik;Yana da polymer mai dauke da ƙungiyar carbonate a cikin sarkar kwayoyin halitta.Dangane da tsarin ƙungiyar ester, ana iya raba shi zuwa rukunin aliphatic, rukunin aromatic, rukunin aliphatic - ƙungiyar aromatic da sauran nau'ikan.PC ruwan tabarau m...Kara karantawa -
Ta yaya gilashin 3D don fina-finai 3D ke aiki?Menene rabe-raben gilashin 3D?
Me yasa kuke sa gilashin 3D don kallon fina-finai 3D?Lokacin yin fim ɗin yana buƙatar sanya gilashin 3 d a wasu hanyoyi, mutane suna ganin abubuwa na tasirin sitiriyo, saboda fim ɗin 3 d tare da kyamarori biyu, kuma yana kwaikwayi idanun mutum biyu, bari ido hoton kyamara ne, a cikin idon dama ...Kara karantawa -
Anti-blue haske da anti-blue ruwan tabarau
Muna nuni ne ga hasken da idon ɗan adam ke iya gani a matsayin haske mai gani, wato “jajayen ruwan lemu yellow koren shuɗi blue shuɗi”.Bisa ga mafi yawan ma'auni na ƙasa, hasken da ake iya gani a cikin kewayon tsayin 400-500 nm ana kiransa blue light, wanda shine mafi guntu tsayi da kuma th ...Kara karantawa -
Ta yaya gilashin 3D ke haifar da sakamako mai girma uku?
Ta yaya gilashin 3D ke haifar da sakamako mai girma uku?Akwai ainihin nau'ikan gilashin 3D da yawa, amma ka'idar ƙirƙirar sakamako mai girma uku iri ɗaya ne.Dalilin da yasa idon dan adam zai iya jin ma'ana mai girma uku shine saboda idanun hagu da dama o...Kara karantawa -
Lens na ci gaba don hangen nesa sama da 40
Lens na ci gaba don hangen nesa sama da 40 Bayan shekaru 40, ba wanda ke son tallata shekarun su - musamman lokacin da kuka fara samun matsala don karanta kyakkyawan bugu.Abin godiya, ruwan tabarau na ci gaba na gilashin ido na yau yana sa ba zai yiwu wasu su gaya muku kun kai “bifocal age.”Shirin...Kara karantawa -
Hana gilashin haske mai shuɗi na iya kare ido, har yanzu zai iya hana myopic?Hankali!Ba don kowa ba…
Na tabbata kun ji gilashin blocking blue, ko?Mutane da yawa suna buƙatar yin aiki tare da wayoyin hannu da kwamfutoci na dogon lokaci, musamman sanye take da gilashin hasken shuɗi;Yawancin iyaye sun ji cewa irin wannan gilashin na iya hana myopia, sun shirya nau'i biyu don th ...Kara karantawa -
4 Rubutun ruwan tabarau na gama gari don Gilashin
Ana amfani da suturar ruwan tabarau akan ruwan tabarau na gilashin ido don haɓaka dorewa, aiki da bayyanar gilashin ku.Wannan gaskiya ne ko kun sa idanu guda ɗaya, bifocal ko ruwan tabarau masu ci gaba.Rufin Kayayyakin Kaya Babu ruwan tabarau na gilashin ido - har ma da ruwan tabarau - ba su da 100% kariya.Duk da haka, ruwan tabarau ...Kara karantawa -
Ilimin kimiyyar lissafi na gilashin 3D
Gilashin 3D, wanda kuma aka sani da "Gilashin stereoscopic," gilashin na musamman ne waɗanda za a iya amfani da su don duba hotuna ko hotuna na 3D.Gilashin stereoscopic sun kasu kashi-kashi iri-iri iri-iri, mafi yawanci shine ja shuɗi da ja shuɗi.Manufar ita ce a ƙyale idanu biyu su ga ɗaya daga cikin hotuna biyu kawai ...Kara karantawa -
Yadda za a zabi madaidaicin fihirisar ruwan tabarau?
Lokacin zabar ruwan tabarau, za a sami 1.56, 1.61, 1.67, 1.74 da sauran dabi'un da za a zaɓa, wannan ƙimar tana nufin ma'aunin ma'aunin ruwan tabarau.Mafi girman ma'aunin ma'auni na ruwan tabarau, mafi ƙarancin ruwan tabarau kuma mafi wuyar ruwan tabarau.Tabbas, mafi girman ref...Kara karantawa -
Gabatarwa da Ƙa'idar ruwan tabarau na Photochromic
Canjin Launi Mai Mahimmanci na Rana Hotochromic Pigment Ana samar da ruwan tabarau na hoto ta hanyar hada pigments na photochromic tare da ruwan tabarau monomer sa'an nan kuma allurar a cikin wani mold.Pigment na Photochromic ƙwararren ƙwararren foda ne da aka tsara don canza launi lokacin da aka fallasa shi zuwa tushen hasken UV, amma ya fi dacewa da kai tsaye ...Kara karantawa
