cleaning, adjusting, and minor component replacement to extend the life of equipment and facilities. For examples, quarterly air conditional filter changes, monthly roof inspections and seal coating the parking lot annually are sort of Preventive Maintenance works. Through those Preventive Maintenance works, can extend equipment lifespan and keep equipment running efficiently. Also Preventive Mai
efficiency. Hybrid cars run on battery power at low speeds and switch to traditional internal-combustion at higher speeds. Since the capability of a secondary battery is not enough to replace the existing engine, it still needs to have both battery-powered motor and engine to generate enough power.
Clean Diesel
The diesel car has been recognized as the main culprit of air pollution, but pe
금지하는 법령이다
60. Clean float : A floating exchange rate system in which there is absolutely no intervention by governments.
정부로 부터의 전도가 없는 평평한 환율 체계
61. Closed shop : A firm where workers are forced to become union members as a condition of employment.
고용의 조건으로 노동자가 조합의 일원이 되도록 강요받는 회사.
efficiently and cleanly, worring the climate change and the exhaustion of fossil fuels, starting from securing energy resources which are indispensable for economic development and growth via the secure supply of the energy
Flow
New cognition of environment and energy
problem
competition instruction
in energy
industry
Energy supply-centered is changed to energy demand management
in
1. 서론
1.1 Why we choose this theme?
- 바이오 디젤의 유용성
- 기존 방식을 효소를 이용한 방식으로 바꿈으로써 기존 방식보다 더 나은 생성 가능성
2. 이론
2.1 What is Biodiesel?
바이오에탄올과 함께 가장 널리 사용되는 바이오연료이다. 콩기름, 유채기름, 폐식물기름, 해조유 따위의 식물성 기름을