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yintoni isakhelo se-tr90?
I-TR-90 (i-titanium yeplastiki) luhlobo lwezinto zepolymer ezinememori.Yeyona nto idumileyo yesakhelo sembonakalo yokukhanya ebalaseleyo kwihlabathi.Ineempawu zokuqina okuphezulu, ukuxhathisa impembelelo kunye nokunganyangeki, i-coefficient ephantsi ye-friction, njl., umonakalo wamehlo kunye nobuso ngenxa ye-b...Funda ngokugqithisileyo -
Isakhelo se-TR90 kunye nesakhelo se-acetate, uyazi ukuba yeyiphi engcono?
Ziziphi izilumkiso ekufuneka zithathwe xa ukhetha isakhelo?Ngophuhliso olomeleleyo lweshishini lee-eyewear, izinto ezininzi ngakumbi zifakwa kwisakhelo.Emva koko, isakhelo sigqoke empumlweni, kwaye ubunzima buhluke.Asikwazi ukuyiva ngexesha elifutshane, kodwa kwixesha elide, i...Funda ngokugqithisileyo -
Unokukhetha njani iilensi zoqhagamshelwano?
Amehlo amahle "sisixhobo" esisebenzayo sokuzingela abantu abathandana nabesini esahlukileyo.Abasetyhini kwixesha elitsha, kunye namadoda ahamba phambili ekuphuhliseni iindlela, sele enesidingo esikhulu seenkampani zobuhle bamehlo: i-mascara, i-eyeliner, i-eye shadow, zonke iintlobo zezixhobo zokulawula zifumaneka ngokukhawuleza ...Funda ngokugqithisileyo -
Ukulungiswa kwenkqubo ngundoqo ekusindeni kwefektri yezibuko zamehlo
Ngokuqhubeka nokuchacha koqoqosho lwehlabathi kunye neenguqu eziqhubekayo kwiikhonsepthi zokusetyenziswa, iiglasi zamehlo azisasisixhobo nje sokulungisa umbono.Izibuko zelanga zibe yinxalenye ebalulekileyo yezixhobo zobuso bomntu kunye nesimboli sobuhle, impilo kunye nefashoni.Emva kweminyaka elishumi...Funda ngokugqithisileyo -
ukuvula ivenkile yamehlo iinkqubo zokuvula ivenkile?
La manyathelo ama-6 ayimfuneko Kutshanje, abahlobo abaninzi bamanye amazwe babuze indlela yokuvula ivenkile yamehlo kunye nendlela yokunciphisa iindleko.Kubantu abatsha, abaninzi babo beva nje ukuba ivenkile ye-optical inenzuzo ngakumbi, ngoko bacinga ukuvula ivenkile ye-optical.Enyanisweni, akunjalo ...Funda ngokugqithisileyo -
Ungazikhetha njani iindondo zaBantwana eziLungileyo
1. Iimpumlo zempumlo Ezahlukileyo kubantu abadala, iintloko zabantwana, ngakumbi i-angle yencopho yempumlo kunye ne-curvature yebhuloho yempumlo, inomahluko ocacileyo ngakumbi.Uninzi lwabantwana banebhulorho ephantsi yempumlo, ngoko ke kungcono ukhethe iiglasi ezineempumlo eziphakamileyo okanye iifreyimu zeglasi e ...Funda ngokugqithisileyo -
Umahluko phakathi kwepolarizer kunye nezibuko zelanga
1. Imisebenzi eyahlukeneyo Izibuko zelanga eziqhelekileyo zisebenzisa umbala odaywe kwiilensi ezinemibala ukwenza buthathaka konke ukukhanya emehlweni, kodwa konke ukukhanya, ukukhanya okuchasayo kunye nokukhanya okuhlakazekileyo kungena emehlweni, angenako ukuphumeza injongo yokujonga amehlo.Omnye wemisebenzi yeelensi zepolarized kukucoca ...Funda ngokugqithisileyo -
Yintoni i-polarizer?
Iipolarizers zenziwe ngokomgaqo we-polarization wokukhanya.Siyazi ukuba xa ilanga likhanya endleleni okanye emanzini, liwacaphukisa ngokuthe ngqo amehlo, lenze amehlo azive edayizela, ediniwe, kwaye engakwazi ukubona izinto ixesha elide, ngakumbi xa uqhuba imoto ...Funda ngokugqithisileyo -
Zenziwa njani iifreyimu zeglasi yentsimbi?
Uyilo lweglasi Yonke isakhelo seglasi yamehlo kufuneka siyilwe phambi kokuba siye kwimveliso.Iiglasi azikho kakhulu imveliso yemveliso.Enyanisweni, zifana kakhulu nomsebenzi wezandla owenziwe ngumntu kwaye emva koko ziveliswe ngobuninzi.Oko ndisengumntwana, ndaziva ngathi ukufana kweeglasi ayisiyonto intle ...Funda ngokugqithisileyo -
Ngaba iifreyimu ze-acetate zingcono kunezakhelo zeplastiki?
Yintoni i-cellulose acetate?I-cellulose acetate ibhekisela kwi-resin ye-thermoplastic efunyenwe nge-esterification kunye ne-acetic acid njenge-solvent kunye ne-acetic anhydride njenge-acetylating agent phantsi kwesenzo se-catalyst.organic acid esters.Isazinzulu uPaul Schützenberge waqala ukwenza le fayibha ngo-1865, ...Funda ngokugqithisileyo -
Kutheni unyanzelisa ukunxiba iindondo zelanga xa uphuma?
Gqoka izibuko zelanga xa uhamba, kungekhona nje ukubonakala, kodwa nempilo yamehlo.Namhlanje siza kuthetha ngeendondo zelanga.01 Khusela amehlo akho elangeni Lusuku oluhle lohambo, kodwa awukwazi ukuwavula amehlo akho elangeni.Ngokukhetha iperi yezibuko zelanga, unga...Funda ngokugqithisileyo -
Iinzuzo zokunxiba iindondo.
I-1.Ukugqoka iiglasi kunokulungisa umbono wakho I-Myopia ibangelwa ukuba ukukhanya okude akukwazi ukugxila kwi-retina, okubangela ukuba izinto ezikude zingacaci.Nangona kunjalo, ngokugqoka i-lens ye-myopic, umfanekiso ocacileyo wento unokufumaneka, ngaloo ndlela ulungisa umbono.2. Ukunxiba iindondo kuno...Funda ngokugqithisileyo
