Duban tabarau

1. Ka'idar ruwan tabarau UV gano watsawa

Ba za a iya sarrafa ma'aunin watsawa na ruwan tabarau a matsayin matsakaicin matsakaicin watsawa mai sauƙi a kowane tsayin raƙuman ruwa ba, amma yakamata a same shi ta hanyar haɗaɗɗen ma'auni na watsawar gani gwargwadon nauyin nau'ikan raƙuman ruwa daban-daban.Idon mutum shine tsarin gani mai sauƙi.Lokacin kimanta ingancin tabarau, dole ne a fara la'akari da azancin idon ɗan adam zuwa hasken haske na tsawon tsayi daban-daban.A takaice dai, idon dan Adam yana kula da hasken kore, don haka watsa ruwan koren haske yana da matukar tasiri a kan hasken lensin, wato nauyin koren haske ya fi girma;akasin haka, saboda idon dan Adam baya kula da hasken purple da jajayen haske, don haka isar da hasken purple da jajayen haske yana da dan kankanin tasiri ga hasken ruwan tabarau, wato nauyin hasken purple da kuma jan haske band shima kadan ne.Ingantacciyar hanya don gano aikin anti-ultraviolet na ruwan tabarau shine a ƙididdige ƙididdigewa da nazarin watsawar UVA da UVB.

2. Gwajin kayan aiki da hanyoyin

Za'a iya amfani da ma'aunin watsawa na gani don auna watsa ruwan tabarau a cikin yankin ultraviolet don tantance ingancin watsawar ultraviolet na samfurin.Haɗa na'urar watsawa ta na'urar zuwa tashar jiragen ruwa ta kwamfuta, fara shirin aiki, yi gyaran muhalli a 23°C±5°C (kafin daidaitawa, dole ne a tabbatar da cewa ɓangaren ma'aunin ba shi da ruwan tabarau ko tacewa), sannan saita gwajin. kewayon tsayin raƙuman ruwa zuwa 280 ~ 480 nm, lura da hasken ultraviolet na ruwan tabarau a ƙarƙashin yanayin haɓakar yanayin watsawa.A ƙarshe, sanya ruwan tabarau da aka gwada akan matosai na roba don gwada hasken wutar lantarki (bayanin kula: goge ruwan tabarau da matosai na roba mai tsabta kafin gwaji).

3. Matsaloli a cikin ma'auni

A cikin gano tabarau na tabarau, lissafin watsawa na band ultraviolet yana ɗaukar hanya mai sauƙi na matsakaicin watsawa, wanda aka bayyana a matsayin matsakaicin watsawa.Don samfurin iri ɗaya a ƙarƙashin gwaji, idan ana amfani da ma'anar QB2457 da ISO8980-3 don aunawa, sakamakon watsawar ultraviolet waveband ya bambanta gaba ɗaya.Lokacin da aka auna bisa ga ma'anar ISO8980-3, sakamakon ƙididdigewa na watsawa a cikin rukunin UV-B shine 60.7%;kuma idan an auna bisa ga ma'anar QB2457, sakamakon ƙididdigewa na watsawa a cikin rukunin UV-B shine 47.1%.Sakamakon ya bambanta da 13.6%.Ana iya ganin cewa bambanci a cikin ma'auni zai haifar da bambanci kai tsaye a cikin buƙatun fasaha, kuma a ƙarshe yana rinjayar daidaito da ƙima na sakamakon ma'auni.Lokacin da ake auna watsawar samfuran ido, ba za a iya watsi da wannan matsala ba.

Ana gwada watsawar samfuran tabarau da kayan ruwan tabarau, kuma ana bincikar ƙimar daidaitaccen ƙimar ta hanyar haɗin kai mai ma'ana, kuma ana samun sakamakon fa'ida da rashin amfani na samfuran tabarau.Da farko dai, ya dogara da ko kayan ruwan tabarau na iya toshe haskoki na ultraviolet, UVA da UVB, kuma yana iya watsa ƙarin haske mai gani don cimma aikin anti-glare.Gwaje-gwaje sun nuna cewa aikin watsawa na ruwan tabarau na guduro shine mafi kyau, tare da ruwan tabarau na gilashi, kuma ruwan tabarau na crystal sune mafi muni.Ayyukan watsawa na ruwan tabarau na CR-39 tsakanin ruwan tabarau na guduro ya fi PMMA kyau.