Xa uqala ukubona, iibhedi zokutshisa ilanga kunye nokukhanya kwelanga okuqhelekileyo zinokubonakala zifana—zombini zenza ulusu lube mnyama kwaye zixhomekeke kwimitha ye-ultraviolet (UV).abafani, kwaye ukuqonda umahluko kubalulekile kwimpilo yolusu.
Umahluko kwiSpectrum ye-UV
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Ukukhanya kwelangaikhupha uluhlu olubanzi lwemitha ye-UV:
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I-UVA(ukwaluphala, umonakalo wexesha elide)
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I-UVB(ukutsha lilanga, ukuveliswa kwevithamini D)
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Iibhedi zokutshisa isikhumbakhupha:
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Uninzi lwe-UVA (ukuya kuthi ga kwi-95–99%)
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I-UVB encinci kakhulu
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Oku kungalingani kuthetha ukuba imibhede yokutshiswa kwesikhumba igxile ekutshintsheni kombala ngokukhawuleza kuneenkqubo zebhayoloji zendalo.
Ulawulo Lobunzima Nokuchaphazelwa
Ukuvezwa lilanga kuyahluka ngokusekelwe kwezi zinto zilandelayo:
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Ixesha losuku
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Ixesha lonyaka
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Indawo
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Iimeko zemozulu
Iibhedi zokutshisa ilanga zibonelela:
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I-UV eqinileyo, enamandla aphezulu
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Iiseshoni ezimfutshane kodwa ezigxile kakhulu
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Ukuthambisa isikhumba ngokukhawuleza kunye noxinzelelo olukhulu lwesikhumba
Iseshoni emfutshane yangaphakathi ingalingana neeyure zelanga elinamandla emini.
Uthelekiso loMonakalo woLusu
Zombini iibhedi zokuthambisa ilanga kunye nelanga zinokwenza oku kulandelayo:
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Ukonakalisa iiseli zesikhumba
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Yaphula i-collagen
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Yandisa imiba yokutshintsha umbala
Nangona kunjalo, iibhedi zokutshisa ilanga zinokubangelaumonakalo omkhulu wesikhumbangenxa yokuvezwa yi-UVA ebukhali.
Isigqibo sokugqibela
Hayi, ibhedi yokuthambisa isikhumba iyasebenzaayifani nelangaNangona zombini zisebenzisa imitha ye-UV, iibhedi zokuthambisa zibonelela ngokuvezwa okunamandla nokungalinganiyo okwandisa umngcipheko wolusu ixesha elide.
FAQ
Ngaba ibhedi yokuthambisa ilanga inika i-vitamin D njengelanga?
Zincinci kakhulu. Iibhedi zokuthambisa azinawo umbane owaneleyo we-UVB.
Ngaba ukutshiswa kwelanga ngaphakathi kukhuselekile kunelanga langaphandle?
Hayi. Ukutshiswa kwesikhumba ngaphakathi endlwini akujongwa njengokhuselekileyo.