Pumps, as core pieces of equipment in ships, are installed the engine room to supply refined oil engine. Pump failure causes critical problems for ship operations. Therefore, failure-monitoring-based diagnosis technology is an essential requirement shipbuilding industry. For this purpose, a database containing information about states depending on main cause cases pump needs be developed. In pr...

Gasoline accounts for about half the U.S. consumption of petroleum products, and its price is the most visible among these products. As such, changes in gasoline prices are always under public scrutiny. Many claim to observe an asymmetric relationship between gasoline and oil prices—specifically that gasoline prices respond more quickly when oil prices are rising than when oil prices are fallin...