pūrau strontium aluminate
Ko te puāwai strontium aluminate he mātai hiko tata kua whakarupeke i te ahumahi rama pōuri. Ko tēnei mahinga phosphorescent tata ka hangaia e strontium oxide me aluminum oxide, kia āhua aroha te ata me te roa o te wā o muri, aronga ai ki te 10-12 haora. E whakaatu ana te puāwai i ngā taputapu photoluminescent tino pai, ka hura i te kaha o te rama ka tukuna ia wa poto noa, ko te wā roa tonu. Tēnei hanganga matakīrea takitahi e whaiya ai kia whakaputangia te rama me te tuku atu i tērā i te pai ake i ngā mātai phosphorescent tawhito. Ko te rahi o ngā karu puāwai e 20-100 microns noa atu te rahi, e tuku ana i te mahi tino pai ki ngā whakamātauranga maha. He mea nui tana tūponotanga kimikara, tōna māmā ki te āhuarangi, me tōna nature kore-mā, ka tāwhai ai kia haumaru ai mō ngā hua kaihoko. Ka taea e te mātai te uru atu ki ngā paraihe, ngā raima, ngā tinta, me ētahi atu huinga, ka mau tonu ana taputapu hiko hāunga te tuhinga maha ki ngā punaha rama. Ki ngā whakamātauranga hangarau, kei te tū he wāhanga matua mō ngā tohu tūmatanui, ngā tohu haumaru, me ngā hua taakaro. Kua torotoro te whakamahinga o te puāwai ki roto me waho hoki, nā te mea e mau ana tana mahi ki ngā tikanga taiao maha. Ko tana uara ki te weheia e ngā rama rerekē, tae atu ki UV, LED, me te rama a te rā anō, ka tāpiri i tana whakamahinga ki ngā wāhi maha.