* Deep penetration welding
충분히 높은 에너지 밀도에서 레이저 빔은 작업 공간에 있는 재료의 소재의 표면이 기화하기 시작하는 정도까지 열을 가하게 된다.
레이저 자극은 대략 106 / cm2 을 넘어서야 한다. 재료의 기화가 됨에 따라서 사라지는 금속수증기의 압력의 결과 키홀(keyhole)은 소재에 생성된다. 기
2) Competitors
For FedEx Korea, there are mainly four competitors who offer the same express delivery service. They are DHL, TNT, UPS, and EMS. DHL is the biggest competitor of FedEx. According to Stacy Han, the FedEx Communications Executive, DHL has more brand equity than FedEx. Also, the share of the market said to be very neck to neck with DHL although FedEx has a slight advantage as of n
What is the problem?
Man’s growing energy demands
Supply of oil depends on
- Rates of extraction
- Endowment in Nature
- Economic and political factors
Propose of the project
Endowment in Nature
- Prediction of oil exhaustion
Rates of extraction
- Drilling cost and Depth
Why?
Increases with a resulting increase in
rig capacity
Changes in the rate of penetration.
1.0 Executive Summary
We chose Laneige, a family brand from the leading cosmetic company, Amorepacific, as its position as a middle-price range brand best matches our target customers, young adults. The product our group has proposed is a lipstick called “Perfect-all-day” which has strong durability with reasonable price. Unlike the common lipsticks, our product is long lasting and requires
Ⅰ. 서론
우리인류는 석탄으로 환산하여 매년 90조t이라고 하는 지구에 내리쬐는 태양에너지의 조금1/100,000밖에 이용하지 못한다. 지구상의 36억 인류가 1인당 1년간 25,000t이라는 석탄을 허비하고 있다. 만약 태양에너지의 1%라도 완전히 이용 가능하면 세계의 에너지 부족은 완전히 해소 할 수 있을 것