Reagents
Cooper powder
- Insoluble in water
- Red color, odorless, and flammable materials
- Soluble in HNO3, H2SO4 (hot), and HBr
- Mw: 63.50 , Tb: 2570 ℃ , Tw: 1084℃
- Thermal conductivity: 397 W/Mk
Caution
- Be careful of explosion
- Be careful of physical contact.
1. Put the test piece between
standard cylinders and check
the connection of thermocouple
2
In 1960’s
Government-led industry
After Korea war – shortage
of private capital
1961 Foundation of Korea
Electric Power
Corporation(KEPCO)
Consolidation of transmission
supplier (조선전업) and
distribution supplier
(경선전기, 남선전기)
In 1970’s
_Development and growth / Private participation
1967 Allowance of
electricity. Acity. Acity.a sample of 97,882 households in 2002, electricity was the main source of lighting for 53% of rural households compared to 36% in 1993.Some half of the electricity iecttolen, compared with 3% in China. Thecttolen electricity amounts to 1.5% of GDP. Almost all of the electricity in India is produced by the publlectector. Power outages are commony amounbuy their own power
power(순시 전력)
교류 전원에서 전압 v 와 전류 I의 곱이 순시전력 p 이다. v 또는 I가 0인 지점에서 p 또한 0이 된다. v와 i 가 모두 양 이면, p 또한 양이다. v또는 i 가 양이고 어느하나가 음일때 p는 음이다. v 와 i 가 모드 음일때 p는 양이다. 전력은 정현곡선을 그린다.
- 역률(power factor)
정의: 피상전력에
ADDITIONAL
GOVERNMENT
- INVESTMENT in R&D
- SUBSIDY
- REFORMED LAWS FOR ELECTRIC CARS
POWER SOURCE RELATED COMPANIES
OIL COMPANIES
GAS STATION COMPANIES
BATTERY PRODUCERS
OIL COMPANIES
GAS STATION
COMPANIES
CONFLICT
ELECTRIC CARS
OIL COMPANIES
GAS STATION
COMPANIES
OIL COMPANIES
ELECTRICITY-BASED BUSINESS