1. Chekutanga, unonzwisisa here kuti chiedza cheUV chii? Chinoshanda sei?
UV ipfupiso yeUltraviolet Rays, kana kuti ultraviolet light, ine wavelength range ye100 kusvika 400 nm, inova mafungu eelectromagnetic pakati peX-rays nechiedza chinoonekwa. Izvi zvinoreva kuti chiedza ichi chiedza chesimba chiri kupinda uye chinoburitsa kupisa mumuviri.
Kukuvadzwa kwezuva paganda revanhu kunonyanya kubva kuultraviolet A (UVA) neultraviolet B (UVB). UVA ndeyemafungu marefu, ichishanda paganda rakadzika, chiito chacho chinononoka, asi chinogona kukonzera kusviba kamwe chete. UVB ndeyemafungu ari pakati nepakati, ichishanda pamusoro peganda, nekukurumidza. Inogona kukurudzira keratinocytes dzeganda, kuitira kuti mitsipa yeropa iwedzere, kuwedzera kuyerera kweropa, yekutanga ichave tsvuku, uye yozoshanduka zvishoma nezvishoma. Saka, muchidimbu, UVB inotungamira ku "zuva ratsvuka" uye UVA inotungamira ku "zuva rakasviba".
Mhedzisiro: Inowanzo shandiswa mukurapa kupenga kweganda, zvichireva kuti kuburikidza nechiedza ichi che ultraviolet, kushanda zvakananga kweganda jena pasi peganda re tyrosine enzyme kunokurudzira kugadzirwa kwe melanin, ganda jena kuita dema.
Tinogona kuwana zvishandiso zvakawanda zvekurapa nechiedza cheUV paInternet, tinogona kuedza kutsvaga.
2. Basa revamwe vagadziri mukushandisa chiedza cheUV mu muchina wekuongorora ganda?
Kunyangwe chiedza cheUV chiri kukuvadza ganda kana kuti kwete, mamwe mabhizinesi ari pamusika anoshandisa chiedza cheUV paganda, zvinhu zvinonyanya kushandiswa kuona mavara nemaburi (pamusoro peganda). Zvinhu izvi zviviri ndizvo zvishoma zvehunyanzvi zvepurojekiti yekuona, nei? Ruvara rweganda runogona kuwanikwa kuburikidza nesu. Muchina wekuongorora ganda reMagirazi eMagineti, vanogonawo kuwana nzvimbo yacho, nei vachifanira kushandisa mudziyo kuti vaone, semunhuMudziyo weKuongorora GandaTinofunga kuti zvine musoro kuona ruvara rwuri pasi peganda.
Nguva yekutumira: Gunyana-18-2020
