Ⅱ. Policy Analysis of
4 rivers restoration Project
1. React to climatic change
2. Secure water resources
3. Water improvement
4. illegality of pushing method
5. Economic problems
6. Ecosystem restoration
7. Doubts of the grand canal
8. Damages of cultural assets
Italian Job Script
(car engine)
(man) Questi giorni,
quando viene il bel sole
On days like these,
when skies are blue
And fields are green
I look around
and think about what might have been
And then I hear sweet music
float around my head
As I recall
the many things we left unsaid
Its on days like these
that I remember
Singing songs and drinking wine
While your eyes played games
with mine
On days
Ⅰ. 안전성평가연구소
우리나라에서도 화학물질 및 생물산업제품의 안전성평가에 대한 중요성이 인식되어 안전성평가를 체계적으로 평가 할 수 있는 체계가 수립중이다. 즉, 식품의약품안전청의 국립독성연구원과 한국화학연구원 부설 안전성평가연구소를 필두로 현재 시설과 기자재 및 인원을 확
Ⅲ Flocculation
The purpose of flocculation is to uniformly mix coagulated water to produce either settleable or filterable floc and accelerate the rate of particle collisions, causing the agglomeration of electrolytically destabilized colloidal particles into settleable and filterable sizes.
Considerations of flocculation are:
1. Baffling to prevent of flow short-circuiting
2. Tapered
Grit chamber
Definition
Remove the grit and inorganic matter over 0.2mm in waste water
[ Function ]
Prevent abrasiona and damage of machine equipment
Prevent Piping system blockage
Prevent adverse effect by deposits
Gravity type chamber
Using the gravity and velocity of waste water
Take the deposits to sludge facility, using sand pump
Aeration type chamber
Using centri