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  2. Vacuum ejector - Wikipedia

    en.wikipedia.org/wiki/Vacuum_Ejector

    This is the manner in which a steam injector operates. An additional use for the injector technology is in vacuum ejectors in continuous train braking systems, which were made compulsory in the UK by the Regulation of Railways Act 1889. A vacuum ejector uses steam pressure to draw air out of the vacuum pipe and reservoirs of continuous train brake.

  3. Venturi scrubber - Wikipedia

    en.wikipedia.org/wiki/Venturi_scrubber

    Figure 6 - Adjustable-throat venturi scrubber with movable plate. Venturi scrubbers can be used for removing gaseous pollutants; however, they are not used when removal of gaseous pollutants is the only concern. The high inlet gas velocities in a venturi scrubber result in a very short contact time between the liquid and gas phases.

  4. Jet injector - Wikipedia

    en.wikipedia.org/wiki/Jet_injector

    A jet injector, also known as a jet gun injector, air gun, or pneumatic injector, is a medical instrument that uses a high-pressure jet of liquid medication to penetrate the skin and deliver medication under the skin without a needle. Jet injectors can be single-dose or multi-dose.

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  6. EBay added $3 billion in market value in one day—thanks to ...

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    EBay’s stock price rose nearly 10% on Wednesday—one of its largest single-day increases in years—boosting the company’s market cap by about $3 billion to $33 billion.

  7. Venturi effect - Wikipedia

    en.wikipedia.org/wiki/Venturi_effect

    The simplest apparatus is a tubular setup known as a Venturi tube or simply a Venturi (plural: "Venturis" or occasionally "Venturies"). Fluid flows through a length of pipe of varying diameter. To avoid undue aerodynamic drag, a Venturi tube typically has an entry cone of 30 degrees and an exit cone of 5 degrees. [1]

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