CAVITY
일정한 속도의 액체가 면적이 작은 부위(수축부 Vena Contracta)를 지날 때 유체의 속도(V)는 빨라지고 압력(P)은 떨어진다, 이때 액체압력이 그 액체의 증기압(Pv)보다 낮아지면 기포가 발생 Vapor 상태가 되는데 이것을 Cavity라 한다. 이 기포는 다시 압력이 상승함에 따라서 밸브Trim 이나 Body 내벽에서
디젤유 탱크(Diesel Oil TANK : DOT) 소요용적
- 디젤유는 항해시 발전기 엔진(Generator Engine) 구동과 출입항 시 주기관 구동에 필요한 디젤유를 포함하여 그 소요 용적을 계산한다.
○ 주기관마력, 발전기의 용량을 알 수 없는 초기단계에서는 다음
과 같이 개략적으로 추정한다.
of the retrieve target country
3.2 Patent Map
Patent Map is analysis result that use MicroPatent company's patent analysis Tool “Aureka”, and there is meaning that whole technology takes a view of patent's distribution chart by (Keyword base) at a look. Height means high density extent (Number) of literature in contour line image and closeness of line displays relativity degree. Height
of Japanese women. And well known Puccini’s opera ‘Madame Butterfly’ played an important role in geishas becoming famous worldwide.
At the 40-s geisha houses were prohibited by law so many of them went for work to factories or industrial field. At late 70s remained only 17 thousand of geishas and recently this number became even smaller, so you can find only about 1000 geishas in Osaka
numberof its plate, as well as a number to determine its pollution rate. Brand new cars "00" and recent models "0" are exempt; "Hoy no circula" only applies to vehicles older than 8 years, which have "1" and "2" designations. The program works by removing these vehicles from circulation one day during the week, and recently one Saturday per month, depending on their last license plate digit numb