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A peristaltic pump, also commonly known as a roller pump, is a type of positive displacement pump used for pumping a variety of fluids. The fluid is contained in a flexible tube fitted inside a circular pump casing. Most peristaltic pumps work through rotary motion, though linear peristaltic pumps have also been made.
The company was founded by Jerry Cole and John Parmer in 1955 and took up shop in a 1,200-square-foot (110 m 2) loft on West Illinois Street in downtown Chicago. [2] In the 1960s, Cole-Parmer acquired Masterflex peristaltic pumps, followed shortly by the purchases of Gilmont Instruments and Manostat Pumps.
Genevac Ltd is a company which was founded in 1990 by Michael Cole. It used to specialize in the manufacture of vacuum pumps and centrifugal evaporators, but has since directed its attention to equipment designed for combinatorial chemistry. Following a series of mergers, it is currently a subsidiary of SP Industries. [1]
Oklahoma Gas & Electric Company (branded as OG+E or "O-G-and-E") is a regulated electric utility company that serves over 843,000 customers in Oklahoma and Arkansas, including 1.5 million people in the Oklahoma City Metropolitan Area. [3] It is the leading subsidiary of OGE Energy Corp. (NYSE: OGE), with headquarters in downtown Oklahoma City.
CAPOX (also called XELOX [1]) is a chemotherapy regimen consisting of capecitabine (trade name Xeloda) combined with oxaliplatin. [ 2 ] [ 3 ] Xelox regime operates in 3-week cycles, usually with 8 cycles in total; Xeloda is taken orally twice daily for two weeks, while oxaliplatin is administered by IV on the first day of the cycle; there is a ...
Electric pump as a main engine pump again will require big electric motors and it may be simply cheaper to drive directly from the engine. For e.g. BMW S65 engine's oil pump delivers ca. 45 LPM (Litres Per Minute) of oil at 5.5 bar pressure. [5] This pump would require a significantly large motor to drive.
A proton pump is an integral membrane protein pump that builds up a proton gradient across a biological membrane. Proton pumps catalyze the following reaction: H + [on one side of a biological membrane] + energy ⇌ H + [on the other side of the membrane]
The screw pump is the oldest positive displacement pump. [1] The first records of a water screw, or screw pump, date back to Hellenistic Egypt before the 3rd century BC. [1] [3] The Egyptian screw, used to lift water from the Nile, was composed of tubes wound round a cylinder; as the entire unit rotates, water is lifted within the spiral tube to the higher elevation.