:
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
*Nitrogen or Argon in Electric furnace
-Because the inhibition of oxidization of sample
of the defining characteristics of living organisms is their inherent ability to repair physical damage. A growing trend in biomimicry is the creation of non-living structural materials that also have the capacity to heal themselves when cut, torn or cracked. Self-healing materials which can repair damage without external human intervention could give manufactured goods longer lifetimes and reduc
1)R.O Membrane type
역삼투압 방식에 사용하는 막을 만드는 재료로 주로 사용되는 것은 셀룰로오스 아세테이트와 아로마틱 폴리아마이드 두 가지 종류가 있다. 여기에 더해 막의 성능 향상을 위하여 기본적인 재료에 다른 종류의 단위체를 섞어 막을 제작하기도 한다.
먼저 셀룰로오스 아세테이트 계열
Overview
-R.O membrane type (Bang, junho)
-Property, affecting factor (Park, minoh)
-State of the art R.O membrane (Yoon, sehyun)
Advantages & Disadvantages
Stable performance in applications
Relatively low cost
Narrow operating pH range
Susceptibility to biological attack
Structural compaction
Under high pressure and low upper temperature limit
Advantages & Disadvantage
A partially ionized gas created by application of an electric field. Positive ion/electron pairs are created by ionization reactions, maintaining overall charge neutral.
Commonly, radio-frequency (RF) at 13.56 MHz is used to create the glow discharge.
Typical pressures are between 1 mtorr and 5 torr.
Effective method for modifying surface property of a material little effect on bulk pro