features1.
fuel cell is a kind of generator that provides electricity, batteries are like warehouses that store electricity.
features2.
The maximum output energy from the battery
= 50% forms of energy+50% heat
=>The energy efficiency is 50%.
features3.
large energy density.
(store a lot of energy per weight)
Recently, as the amount of storage for capacito
Integrated coal Gasification Combined Cycle (IGCC) power plant is the most environmentally friendly coal-fired power generation technology. Most importantly, coal gasification offers the immediate opportunity to generate power with near zero greenhouse gas emissions and the pathway to a future hydrogen economy.
Description
Coal gasification is the process of converting coal to a gaseous f
United
A. Organization
B. The financial conditions (according to 2008)
a. the present condition of profit
- the sales : 18,800,000,000 won
- operating profit : 6,400,000,000 won
- net profit : 2,300,000,000 won
b. the present condition f property
- return on assets : 11,478,343,547 won
- fund total : 6,615,559,779
C. the result in the perfor
Power-point screen.
- Students and teacher find non-countable nouns together among the foods shown on the Power-point screen.
- Teacher explains the grammatical rules explicitly : how much / many, a lot of
- Explain the unit of non-countable nouns
Examples) a loaf - bread
a bottle - soda
- Teacher explains the rule of the following role-play, buying food in a supermarket.
unit.
U.S. automobile companies were criticized for their reckless management and dependence on government support. The collapse of these companies was predicted when they stopped to develop new energy-saving and technologically-advanced vehicles and started to diversify their business, producing more pick-up trucks and lobbying to government. However, Ford is already making profits from North