index나 대퇴골에서 측정하는 Singh index등의 반정량적인 골량감소 평가법을 이용하여 왔으나 골다공증의 조기진단법으로 이용하기에는 정확도가 떨어진다.
2. 방사선흡수법(RA : Rakiographic absorptiometry)
오래전부터 사용되어 왔던 방법이나 최근에 고해상도의 비디오카메라를 이용하여 Phalanx와 aluminum r
Ⅰ.Introduction
Since financial crisis, people’s interests in financial condition become huge. Especially, we now use the word 'quantitative easing' frequently, and even when we read newspaper or economic columns, articles usually deal with quantitative easing. So, what is QE? Maybe, there are few people who can answer this question exactly. People might say QE is issuing money or just one of
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1. 1. 버블티 소개
버블티는 1983년 리 한첸(liu Han-Chien)이라는 사람이 처음으로 타피오카 펄(tapioca pearl)을 타이완에 소개하면서 기원이 되었다. 이 타피오카 펄을 음료나 차에 넣어서 팔기 시작하면서 새로운 유행음료가 되었다. 버블티는 15년 전 대만의 작은 음료 가판대에서 시
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
Digestion tank production gas is a biogas produced by artificial anaerobic digestion of organic wastes with bacteria in the digestion tank. This can be divided into mergence gas which produce bio-gas by putting more than two of them together, among the organic waste gas, waste water gas, livestock· sewage gas, sewage sludge gas, depending on the type of organic waste. Because they are artificial