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  2. Hunter Industries - Wikipedia

    en.wikipedia.org/wiki/Hunter_Industries

    Hunter Industries headquarters in San Marcos California. Hunter produces pop-up gear-driven rotors, spray sprinklers, valves, controllers, central controllers, and weather sensors. The company reports that it holds more than 250 product patents and 40 trademarks, and conducts business in 125 countries. [6]

  3. Peristaltic pump - Wikipedia

    en.wikipedia.org/wiki/Peristaltic_pump

    The biggest advantage with the hose pumps over the roller pumps is the high operating pressure of up to 16 bar. With rollers, max pressure can arrive up to 12 bar (170 psi) without any problem. If the high operating pressure is not required, a tubing pump is a better option than a hose pump if the pumped medium is not abrasive.

  4. Plunger pump - Wikipedia

    en.wikipedia.org/wiki/Plunger_pump

    The power needed from the drive is proportional to the pressure and capacity of the pump. [1] Seals are an integral part of piston pumps and plunger pumps to separate the power fluid from the medium that is being pumped. A stuffing box or packing is used to seal the joint between the vessel where the medium is transferred and the plunger or ...

  5. Hydraulic pump - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_pump

    Fluid flow in an external gear pump. A hydraulic pump is a mechanical source of power that converts mechanical power into hydraulic energy (hydrostatic energy i.e. flow, pressure). Hydraulic pumps are used in hydraulic drive systems and can be hydrostatic or hydrodynamic. They generate flow with enough power to overcome pressure induced by a ...

  6. Optical rotation - Wikipedia

    en.wikipedia.org/wiki/Optical_rotation

    The phase velocity of light in a medium is commonly expressed using the index of refraction n, defined as the speed of light (in free space) divided by its speed in the medium. The difference in the refractive indices between the two circular polarizations quantifies the strength of the circular birefringence (polarization rotation),

  7. Progressing cavity pump - Wikipedia

    en.wikipedia.org/wiki/Progressing_cavity_pump

    A progressing cavity pump is a type of positive displacement pump and is also known as a progressive cavity pump, progg cavity pump, eccentric screw pump or cavity pump.It transfers fluid by means of the progress, through the pump, of a sequence of small, fixed shape, discrete cavities, as its rotor is turned.

  8. Pulser pump - Wikipedia

    en.wikipedia.org/wiki/Pulser_Pump

    A pulser pump makes use of water that flows through pipes and an air chamber from an upper reservoir to a lower reservoir. The intake is a trompe, which uses water flow to pump air to a separation chamber; air trapped in the chamber then drives an airlift pump. The top of the pipe that connects the upper reservoir to the air chamber is ...

  9. P-glycoprotein - Wikipedia

    en.wikipedia.org/wiki/P-glycoprotein

    P-gp is a 170 kDa transmembrane glycoprotein, which includes 10–15 kDa of N-terminal glycosylation.The N-terminal half of the protein contains six transmembrane helixes, followed by a large cytoplasmic domain with an ATP-binding site, and then a second section with six transmembrane helixes and an ATP-binding domain that shows over 65% of amino acid similarity with the first half of the ...