kōwhaiwai kahurangi
Ko te uku holojifika kāwhawhia ki te blue he mōhiotanga whakamua i roto i ngā momo hangarau rite tūmatanui me ngā momo whakamātau, e whakapai ana i ngā mahi ā-mata o ngā whatu hikohiko me te whakatutuki i te whakahaere. Ko ēnei uku whakamua e paunga ana i te pūmau matangaro blue, e whakapai ana i ngā holojifika matua e hīkina nei ngā takaro ā-kanohi wawe i waenganui i ngā pūnaha tuarua. Ko te whakauru i waenga i ngā rārangi e toru ko tētahi hanga whakamātau-tirohanga, ka kitea nui rawa te korenga i runga i te whakatika i te whakatiki. Ki ia uku, he momo whakapānga hokomaha me ngā rarangi whakamātau tūmatanui, e whai ake nei i te wehewehe haeretanga ki te whakapapa, e tirotiro ana i te whakapae pai tūmatanui ki te whakatakoto i runga i ngā mate whakapaku. Ka whakamahi ngā uku i te hunga whakapā mai i te āhua, e hanga ana i tētahi hononga tūmomo ki te nuinga o ngā tahuhu, ina whakauru ai ki te plastic, te mete, te kiriata, me te pepa. I te whakauru, ka tukuna e rātau i te āhua whakamātau korenga, ka taka tonu hei tohu korenga i te whakatika. Ka hanga ngā holojifika i roto i ngā momo whakamahere diffraction grating, e whakapai ana i ngā takaro ā-kanohi pai tae atu ki te whakamana i te whero whakamua i waenganui i ngā pūnaha mārama. E hanga ana ēnei uku hei whakamana i ngā āhuatanga mate hē ake, e āhei ana ki te whakarite i te whakapā mai ki te UV radiation, ki te waiwai, me ngā whakarerekē ā-wera, e whai ake nei i te pai tūmatanui mō ngā tūranga i roto hoki i ngā tūranga i waho.
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