The Restoration and the Eighteenth Century was Britain’s the time of conversion and rapid growth. After 1707, Britain was called Great Britain. Britain became the World Power and be on which the sun never sets. There was a great change internally. Traditionally, Britain was an agricultural country. But, as the population increases, the power was moved to a city and trade was prosperous. Moreove
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
ClassⅡ아말감 와동 형성
#330 bur 혹은 chisel이나 hatch를 사용하여 변연능선을 제거
*고속용 bur를 사용할 경우 인접치아의 손상 방지를 위해
wedge를 사용하여 치간을 이개 또는 인접 치아와의 사이
에 matrix band를 위치.
유구치의 접촉점은 넓고 편평하므로 협설방향으로 충분히 연장.
와동의
2.3 Methods used for restoration
Firstly, a water purification system using gravel contact oxidation process was installed to clean the water. The system located in Young-dong 2 gyo was the first to utilize the gravel contact oxidation process in Korea. It uses a media like gravel and artificially maximize the natural purification process like precipitation, absorption and decomposition by
적합한 식물종
- 정수식물: 갈대, 줄, 애기부들, 미나리, 창포, 노랑꽃 창포 - 침수식물: 검정말, 이삭물수세미
- 부엽식물: 수련, 마름
- 부유식물: 개구리밥, 좀개구리밥
지속적으로 안정적인 정화효율을 유지하기 위해서
지역 특성에 적합한 토종식물을 발굴하고 적용하는 노력 필요
(만초천은