Umugari mwiza-mwiza uv

Mu myaka icumi ishize hakenewe uburinzi bwa UVAyariyongereye vuba.

Imirasire ya UV ifite ingaruka mbi, harimo izuba, ifoto-Kunanirwa na kanseri y'uruhu. Izi ngaruka zirashobora gukumirwa gusa mukurinda imirasire yose ya UV, harimo na uva.

Kurundi ruhande hari kandi icyerekezo cyo kugabanya ingano ya "imiti" kuruhu. Ibi bivuze ko uv ukoresha nezaRSESbigomba kuboneka kubisabwa bishya bya UV.Sunsafe-BMTZ. Ni ifoto-ihamye, gushonga amavuta, gukora neza kandi bikubiyemo intera ya UVB na UVA. Mu mwaka wa 2000, abayobozi b'Abanyaburayi bongeyeho Bis-EthyLhexyloxyphenol Uburyo Uburyo bwo Gukoresha Ibitekerezo byiza ku rutonde rwiza rwa cosmectic uv.

•UVA:Amatsinda abiri ya ortho-yewe arakenewe guhuza ingufu neza ukoresheje ibiraro bya hydroleculand. Kugirango ubone gukomera muri UVA, imyanya ya para-imyanya ya penyl ebyiri zabigenewe igomba gusimburwa na O-alkyl, bikaviramo bis-resorcinyl triazine chazine.

•UVB:Itsinda risigaye rya Phenyl rifatanije na Triazine riganisha kuri UVB ijyanye. Irashobora kwerekanwa ko imikorere ntarengwa "yimikorere yuzuye" igerwaho na O-alkyl iherereye mumyanya. Utarinze gusimbuza abasimbuye, HPTS isuzuguwe mu mavuta yo kwisiga. Bagaragaza imitungo isanzwe ya pigment (urugero, ingingo zo gushonga cyane). Kugirango wongere kwiyongera mubice bya peteroli, imiterere ya UV yahinduwe muburyo bubi.

Inyungu:

Ubugari-bwizuba

Kugereranwa cyane nandi UV muyunguruzi

Umutekano