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
of the best cocktails in the city. The signature drink, known as the Pop, is a fizzy, decadent blend of two types of vodka, triple sec, fresh strawberries, fresh lime, sugar and Champagne.
As Pop gained a reputation as a hip late-night locale, new bars in the same mold — intimate, unpretentious, urbane — began sprouting up in the neighborhood. By 2006, the numberof bars downtown ha
of products line
The Face Shop has vary product line, whole product numbers are almost 600. Compared to other domestic cosmetic firms manufacture mainly skin care and make up lines, The Face Shop launched skin care, make up products as well as even body care, hair care, hand & food line due to current trend which is tarketing whole body.
(2) Price
① Middle and low price
They establish pri
of China & British
The Rate of Internet usage
400 million people in China is currently using Internet in 2010. (CNNIC, 2010)1 (total population: 1.33 billion) And 38.8 million people in Britain is currently using Internet in 2010. (UKMOM, 2010)2 (total population: 60 million)
Based on the research, the percentage of Internet usage is 31% in China and 64% in the Britain.
The number o
Ⅰ. INTRODUCTION
In fourth semester most of our department students attend the subject of mechanical manufacturing practice and we have made a bolt by ourselves. But the process was not a soft job. A bolt and nut is used diversely but it seemed that we don't know much about a importance and manufacture of bolts.
A bolt is a threaded fastener used in industry to make two or more mechanical
Chapter 1. New Challenges
Part 1
Living in the U.S.A.
미국에서의 생활
size
크기
It is difficult to really experience or "feel" the size of the United States, even when you know the actual numberof miles from coast to coast. To get the full impact you should realize, for example, that it takes forty-eight hours (two entire days and two long nights) to travel by train from Chicago t