Inorganic phosphor
○ A phosphor, most generally, is a substance that exhibits the phenomenon of luminescence.
○ Phosphors are often transition metal compounds or rare earth compounds of various types.
○“Classical” inorganic phosphors usually consist of a host lattice with activator ions doped into it in small concentrations, typically a few mole percent or less.
Host lattice &
1. 개요
인지치료cognitive therapy는 1960년대에 미국 펜실베니아 대학의 Aaron T. Beck에 의해 개발된 구조화되고, 단기적이며, 현재 지향적인 심리치료 방법이다(Beck, 1964). 처음에 주로 우울증의 치료법으로 개발된 인지치료는, 그 효과가 인정되고 많은 체계적 연구를 통하여 정교화 되면서 그 적용범위가
1. What dows UNDP do?
1) what is the UN?
The United Nations (UN) an international treaty that spells out the rights and duties of member states. is a unique international organization of 192 sovereign states established in 1945. Its goal is to maintain international peace and security, to develop friendly relations among nations, and to promote social progress, a better living standard and hum
지속 가능한 개발”이란 ? (What does Sustainable Development means?)
전세계 선진국들을 포함하여 우리나라는 지난 반세기 동안 고도의 경제성장을 달성하기 위해
급속한 산업화 과정을 거치면서 “환경”에 대한 충분한 배려가 부족
그러나 이제는 상황이 달라지고 있다. 경제성장과 환경보전 그리고 사회발
instrument composition
-Electric furnace
Temperature range:
25°C~1500°C
Heat speed :
Maximum 200°C/min
*Separate Electric furnace and other system like Electronic scale
-Because Electric furnace temperature is very high
so we need to protect other system.
instrument composition
-Electric furnace
Temperature range:
25°C~1500°C
Heat speed :
Maximum 200°C/min
*N