9. Control Residual Stress
(1) 개요
잔류응력은 외력을 제거 한 후 상온에서도 재료 내부에 존재하는 응력
국부적 가열/냉각으로 인한 열팽창 변형의 불균일 분포와 고온 소성변형 등이 원인
인장 잔류 응력
압축 잔류 응력
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구조물의 취성 및 피로 파괴, 상변태 촉진
구조물의 부식저항에 영향
1. What is the "Hedge Fund"
1.1 What is Hedge Fund?
1.1.1 Definition of the "Hedge Fund"
1) What is a hedge fund?
"Hedge fund" is a general, non-legal term that was originally used to describe a type of private and unregistered investment pool that employed sophisticated hedging and arbitrage techniques to trade in the corporate equity markets. Hedge funds have traditionally been limited t
The NPL ratio of Woori bank has greatly increased from 4Q in 2008 to 4Q in 2010,
because of PF loan (nomal→ non-performing) 1.1 trillion won.
The NPL ratio of Woori(3.34) was greater than the NPL ratio of bank average(1.89) at 4Q in 2010.
It was bad, compared to the NPL ratio of bank average.
What Does NPL Coverage Ratio Mean?Financial ratio measuring a bank's ability to absorb potent
index value
HDD(Heating Degree Day) = Max(0, B-X)
CDD(Cooling Degree Day) = Max(0, X-B)
X: a day’s average temperature, B: base temperature(65oF)
Exotic Derivatives usually refers to more
complex and unusual derivative contracts that depend on the value of some specific underlying.
This term contrasts with the use of Vanilla
Derivatives to denote more standard derivative
c