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  2. Power over Ethernet - Wikipedia

    en.wikipedia.org/wiki/Power_over_Ethernet

    Passive DC-to-DC injectors also exist which convert a 9 V to 36 V DC, or 36 V to 72 V DC power source to a stabilized 24 V 1 A, 48 V 0.5 A, or up to 48 V 2.0 A PoE feed with '+' on pins 4 & 5 and '−' on pins 7 & 8. These DC-to-DC PoE injectors are used in various telecom applications. [57]

  3. 48-volt electrical system - Wikipedia

    en.wikipedia.org/wiki/48-volt_electrical_system

    A 48 V system can provide more power, improve energy recuperation, [7] and allow up to an 85% decrease in cable mass. [10]12-volt systems can provide only 3.5 kilowatts, while a 48 V power could achieve 15 to 20 kW or even 50 kW. 48 volts is below the level that is considered safe without special protective measures.

  4. Current injection technique - Wikipedia

    en.wikipedia.org/wiki/Current_injection_technique

    The current injection technique is a technique developed to reduce the turn-OFF switching transient of power bipolar semiconductor devices. It was developed and published by Dr S. Eio of Staffordshire University ( United Kingdom ) in 2007.

  5. Obesity Rates in the U.S. Drop for the First Time in a Decade ...

    www.aol.com/obesity-rates-u-drop-first-204508332...

    For the first time in a decade, rates of adult obesity in the United States have dropped, a new study has found.. The study followed nearly 17 million people, the majority of whom were in the 26 ...

  6. Why Emperor Penguin Populations are Declining - AOL

    www.aol.com/why-emperor-penguin-populations...

    These birds stand anywhere from 3.5 to 4.3 feet and can weigh anywhere from 50-90 pounds. You can tell them apart from other penguins by their distinct black and white plumage.

  7. Electronically controlled unit injector - Wikipedia

    en.wikipedia.org/wiki/Electronically_controlled...

    An electronically controlled unit injector (EUI) sometimes referred to as a mechanical electronic unit injector (MEUI) is a unit injector (UI) with electronic control. It performs the same function as a conventional unit injector in an internal combustion engine , such as in an on-road or off-road vehicle or a diesel-electric locomotive .

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