1. Pump에서의 Cavitation (공동현상) 에 대하여 기술하고 이로 생길 수 있는 문제점과 그 방지책에 대해 논하시오
- Cavitation이란
유체가 넓은 유로에서 좁을 곳으로 고속 유입하거나 벽면의 요철, 만곡부 등으로 흐름이 직선적이지 못할 때 유체는 저압이 되고 포화증기압보다 낮아지면 기화되어 기포가
1, Fan culture of idol singers
1) Overall fan culture of idol singer in Korea
Korean idol culture is shorter than Japanese idol culture. In Japan, idol singer existed in 1960s, so idol fandom and fan culture of idol are set in Japan. But in Korea, H.O.T. who is made by SM Entertainment in 1990s is representative idol singer. They had got a lot of popularity from teenagers and contributed g
- The directors voted to establish a subsidiary in Thailand
- Its initial estimates = 550 million Thai Baht(TB)
= $ 12.65 million (∵ spot rate = $0.023/TB)
- Now Blades has $2.65 million available
- The remaining $10 million (=TB434,782,609) should be obtained from other sources
- CFO prefers 'debt' to equity financing to raise the funds since Blades is a
Ⅰ. Introduction
When discussing innovative companies today, the name Google just has to be mentioned. Google’s innovations seem to be endless - behind the well-known and often glorified innovative culture, the company is promoting various processes and structures leading to the renowned “innovation culture” Also, their stock price is increasing day by day and their working circu
three quick bounds, Jack is himself up
a nearby tree, clinging to a high branch like a cat.
The Princess Lili comes singing down the path. She spots
the fallen willow basket and looks around for the Green
Man.
LILI
(calling)
Jack... Hello, Jack...
There is no answer. Puzzled, Lili sits on the moss, puts
aside her flowers, and rummages through the contents of
the basket. The dried apples, walnuts