Water from o/w emulsions can help to swell the SC, increasing the ability of actives to penetrate skin.
2-2 IN w/o emulsions, water is slowly released & reaches the upper layers of skin .
Enhanced hydrated skin can result in an additional twofold to threefold increase in the rate ofabsorption to water & other polar molecules in skin.
3. Occlusive vehicles :
①Suppress transepidermal w
absorption and decomposition by increasing the contacting area between water and gravel and oxidation process by the microorganisms stuck on the media. It resolves the pollutant into water and carbon dioxide gas and thus makes the stream water clean. The facility, which has a capacity of 32000t/day, was installed to clean the upstream water to improve the water quality in Yangjae stream. Due to t
1. 서론
Prokaryote란 원핵생물을 뜻하는 말로써 Carl Woese 에 의해 새로 도입된 분류법의 3가지 Domain - Archaea, Bacteria, Eukaryota - 중 진핵생물인 Eukaryota를 제외한 생물을 지칭하는 말이다. 진핵생물과는 달리 특징적으로 핵막이 없는 원핵생물은 단세포생물일 경우가 많으며 박테리아나 같은 원핵생물 및 주
Enamel
√ Hard and white substance covering the teeth
√ The hardest and most highly mineralized
√ Protects the fragile underlying parts of the teeth
√ Covers the crown and supported by dentin
Component of enamel
√ 96% of enamel : mineral, water, organic material
√ contain two unique classes of proteins amelogenins and enamelins
√ The basic unit of enamel is called