Lehlabuleng le chesang, na u tšoenngoa ke khanya e khanyang e etsang hore u se ke ua khona ho bula mahlo a hao?Ha re e-ea phomolong pel’a leoatle kapa re thellisa lehloeng, kaofela ha rōna re utloa khanya e le matla ’me e benya, ’me re hloka likhalase tsa letsatsi ho sireletsa likhalase tsa rōna.Ho joalo le ka tsa haulikhalase tsa letsatsiho nepahetse?
Ha re reka likhalase tsa letsatsi, re lokela ho hlokomela hore na ’mala oa ntho eo oa fetoha ha re roala likhalase, hore na mabone a tsela a hlakile, le hore na moralo oa foreimi o re loketse, hore na ho na le molikoaliko ka mor’a ho roala, ’me re emise. ho apara hang-hang haeba ho na le bothata.Ka kakaretso, likhalase tse tloaelehileng li na le bokhoni ba ho thibela khanya e matla le ho sefa mahlaseli a ultraviolet.Bakeng sa batho ba nang le litlhoko tse tlase, likhalase tse tloaelehileng tsa letsatsi li ka sebelisoa.Leha ho le joalo, batho ba bang ba nang le litlhoko tse phahameng tsa boleng ba pono ba tla khetha likhalase tsa polarized.
Likhalase tsa polarized ke eng?Ho ea ka molao-motheo oa polarization oa leseli, o ka qhelela ka thoko le ho sefa leseli le hasaneng ka lebaleng, e le hore leseli le ka kenngoa ka har'a setšoantšo sa leihlo ho tloha moleng oa phetisetso ea leseli la pina e nepahetseng, e le hore tšimo ea pono e hlakile ebile e le ea tlhaho, joalo ka molao-motheo oa lifofu, tseo ka tlhaho li etsang hore sebaka se shebahale se le bonolo ebile se sa khahle..Likhalase tsa mahlaseli tsa polarizede na le phello ea mahlaseli a anti-ultraviolet, a ka khonang ho arola mahlaseli a kotsi a letsatsi ka katleho.
Lera la pele ke lera la polarizing, le monyang ka mokhoa o atlehileng khanya e bonts'itsoeng ea perpendicular ho axis ea phetiso ea leseli.Lera la bobeli le la boraro ke lera le monyang mahlaseli a kotsi.E nolofalletsa lilense tsa polarized ho monya 99% ea mahlaseli a UV.E le hore lamella ha ho bonolo ho apara.Mokhahlelo oa bone le oa bohlano ke matlafatso a hananang le tšusumetso.E fana ka boima bo botle, ho hanyetsa tšusumetso, le ho sireletsa mahlo ho tsoa likotsi.Mekhahlelo ea botšelela le ea bosupa e matlafatsoa, e le hore lamellae e se ke ea e-ba bonolo ho apara.Likhalase tsa khanya tse akaretsang 'marakeng li entsoe ka filimi ea polarizing ea fiber sandwiched.E fapane le likhalase tsa mahlaseli tsa mahlaseli a optical polarized, ka lebaka la sebopeho sa eona se bonolo le arc e sa tsitsang, ka mor'a hore lense e bokelloe holim'a foreimi, lense e thata ho finyella litekanyetso tsa optical refractive, 'me setšoantšo sa pono se hlephile ebile se holofetse.Ka lebaka la ho se tsitse ha arc le deformation ea lense, e lebisa ka ho toba ho hlaka ho futsanehileng ha setšoantšo se fetisang leseli le ho sotha ha setšoantšo, se ke keng sa finyella liphello tse tloaelehileng tsa pono.'Me bokaholimo bo bonolo ho ngolisoa, ho aparoa le ho se tšoarelle nako e telele.Ka hona, ha u reka likhalase tsa mahlaseli a polarized, ho molemo ho netefatsa hore lilense li ka thibela mahlaseli a kotsi a fetang 99% (ho kenyeletsoa le ultraviolet A le ultraviolet B) 'me li na le litšobotsi tse peli tsa polarized ho felisa mahlaseli a khanyang. khutlo tse itseng mahlong. e thatafatsa ho bona dintho ka nakoana).
Tšenyo ea mahlaseli a ultraviolet 'meleng oa motho ea eketseha.Ha nako e telele ea ho pepeseha letsatsing, tšenyo ea mahlaseli a kotsi e mpefala.Ka hona, re lokela ho roala likhalase tsa letsatsi khafetsa ho fokotsa ho bokellana ha mahlaseli a ultraviolet mahlong.
Ke Ponohopotsa hore ha u khethalikhalase tsa letsatsi, u se ke ua nahana hore ha lense e lefifi, e matlafatsa phello ea anti-ultraviolet.Ho fapana le hoo, ha 'mala o le lefifi, moithuti o tla ba moholo.Ntle le lilense tse sireletsehileng tse thibelang mahlaseli a kotsi, mahlo a tla pepesehela mahlaseli a mangata a ultraviolet, 'me tšenyo e tla ba matla le ho feta.Ho qoba tšenyo ea mahlo e bakoang ke mahlaseli a ultraviolet, ho hlakile, hoa hlokahala ho fokotsa ho pepesehela mahlaseli a letsatsi, haholo-holo pakeng tsa 10:00 le 2:00 pm, ha letsatsi le chaba ka ho toba holim'a lefatše, le matla a letsatsi. mahlaseli a ultraviolet ke a phahameng ka ho fetisisa.Haholo-holo mahlaseli a ultraviolet a bontšitsoeng ho tloha konkreite, lehloa, lebōpo la leoatle kapa metsi ke tsona tse matla ka ho fetisisa 'me li baka tšenyo e khōlō mahlong, empa ke tsona tse hlokomolohuoang habonolo.Ka hona, haeba u tla ba mafolofolo libakeng tsena nako e telele, hopola ho roala likhalase tse loketseng tsa polarized.
Nako ea poso: May-20-2022