Dead Brain Cells Dead Brain Cells Dead Brain Cells are a Canadian thrash metal band from the late 1980s. Called DBC for short, the band started in 1985 in Montreal as a small project named Final Chapter by guitar players Eddie Shahini and Gerry Ouellette, who put an ad in a magazine looking for a drummer. In 1986, former Vomit and the Zits singer Dave Javex Ray-O-Vac (David Leone) and former Unruled and Vomit and the Zits drummer Jeff Saint-Louis, joined with Shahini and Ouellette and guitar player Phil Dakin, who switched to bass. The project grew into a serious band which took
Chemical plant or economic conditions change and re-optimization is desirable. In more modern times, computer simulations or other computer calculations have been used to help in chemical plant design or optimization. In process control, information gathered automatically from various sensors or other devices in the plant is used to control various equipment for running the plant, thereby controlling operation of the plant. Instruments receiving such information signals and sending out control signals to perform this function automatically are process "controllers". Previously, pneumatic controls were sometimes used. Electrical controls are now common. A plant often has a control room with displays of parameters