Sensitizer가 있다.
Activator는 가시광선에 해당하는 에너지 준위를 가지고 있어야 하며 적당한 모체에 첨가되었을 때, activator의 기저준위와 여기준위간의 충분한 에너지 차이가 존재하여야 한다. 또한 최외각 전자배치가 광학적 효율이 가장 큰 형태를 취해야 한다. 예를 들어, Mn이온을 activator로 사용하기
3. Agriculture
Finland's climate and soils make growing crops a particular challenge. The country lies between 60° and 70° north latitude - as far north as Alaska - and has severe winters and relatively short growing seasons that are sometimes interrupted by frosts. However, because the Gulf Stream and the North Atlantic Drift Current moderate the climate, Finland contains half of the world's
♯형광체(phosphor)
(1)형광체의 정의
전자 빔의 충격에 의해 발광하는 아주 작은 결정 입자의 집합체. 텔레비전 수상관에는 일반적으로 황화물(黃化物) 형광체(ZS 또는 ZS와 CdS의 혼합 결정에 소량의 Ag를 첨가한 것)가 많이 사용되고 컬러 수상관의 적색 발광용으로는 희토류(稀土類) 형광체(Y2O2 또
aesthetics
- By using the original resources from nature to take care of ones beauty, and
to develop an inter-relationship between human and nature
-To benefit the skin by making a body and mind that controls the inner side
-The combination of ancient wisdom and modern technology
Inspired by the elegant curve, the containers are designed to look spectacular, and also considered the f
aesthetic energy.
There are two different kinds of Alessi shops(off-line); flagship stores and shops-in-shops. Flagship stores offer the best presentation possible for their wares with the most appropriate interior and there are 26 of them worldwide in most proper locations. Alessi tries to adhere to the same display concept for the hundreds of shops-in-shops of the world’s finest multi brand