fjrigjwwe9r3edt_lecture:conts û þӴ, ذ ٴٴ Ӵó ڿܼ Ǻο ϰ մϴ. ڿܼ ϴٴ 7~8 4~5 Ǻο ġ ǹǷ ڿܼκ Ǻθ Ű ƹ ص ħ Դϴ.
ڿܼ Ǻδ ΰ..
ڿܼ ¾ и ٱ ִ ؼ ٿ ̸ 200-400nm մϴ. ڿܼ ذ Ǹ Ǻΰ ǰ, , ֱٱ, ˹ Ǻγȭ Ͽ ָ ϱȭ Ա մϴ. Ⱓ 쿡 ȭ Ǻξ ų ֽϴ.
ܿﳻ ڿܼ ͼ ִٰ ڱ þ ڿܼ ΰϰ ؼ μ Ǻο Ȯ Ư ϴ. ݸ Ǻΰ ư, ȭŸ鼭 ߰ ε巯Ⱑ ϴ. ̷ ִ е ڿܼ ˷ ų Ƿ ̸ Ǻΰ ã ̸ ˷ θ ϴ.
11~3ÿ Ư ϼ..
11~3 ̿ ڿܼ ̹Ƿ, Ǻΰ ȴٸ ϵ ϰ, Ѵٸ Ǹ ؾ մϴ.
30 ڿܼ ߶ Ǻθ ȣϵ ϼ. ڿܼ ǰ ǥõ SPF Sun-Protective Factor ڷ, SPF ڿܼ ȿ ӽð ϴ ġ մϴ. 20 ؾ Ǻΰ ȴٸ, SPF 15 1520=300 ()' 5ð Ǻθ ȣ ֽϴ.
ϻȰ SPF 10-20 ǰ ϸ, ΰ ̳ ð 쿡 20-30 ǰ ٸ ϴ. SPF ڿܼ ܽð ȿ , 40 ̻ Ǻο Ʈ ֽϴ.
̳ 帰 ڿܼ ߶ֵ ϰ, ð Ŀ ߶ ִ ȿԴϴ. ڳ , ۶ Բ ϸ, ڿܼκ ȿ Ǻθ ȣ Դϴ. |