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  2. Zero-coupon bond - Wikipedia

    en.wikipedia.org/wiki/Zero-coupon_bond

    Zero coupon bonds have a duration equal to the bond's time to maturity, which makes them sensitive to any changes in the interest rates. Investment banks or dealers may separate coupons from the principal of coupon bonds, which is known as the residue, so that different investors may receive the principal and each of the coupon payments.

  3. State of charge - Wikipedia

    en.wikipedia.org/wiki/State_of_charge

    In a battery electric vehicle (BEV), the state of charge indicates the remaining energy in the battery pack. [4] It is the equivalent of a fuel gauge.. The state of charge can help to reduce electrical car's owners' anxiety when they are waiting in the line or stay at home since it will reflect the progress of charging and let owners know when it will be ready. [5]

  4. Coupon (finance) - Wikipedia

    en.wikipedia.org/wiki/Coupon_(finance)

    Zero-coupon bonds are those that pay no coupons and thus have a coupon rate of 0%. [ 6 ] [ 7 ] Such bonds make only one payment: the payment of the face value on the maturity date. Normally, to compensate the bondholder for the time value of money , the price of a zero-coupon bond will always be less than its face value on any date of purchase ...

  5. Rechargeable battery - Wikipedia

    en.wikipedia.org/wiki/Rechargeable_battery

    A rechargeable battery, storage battery, or secondary cell (formally a type of energy accumulator), is a type of electrical battery which can be charged, discharged into a load, and recharged many times, as opposed to a disposable or primary battery, which is supplied fully charged and discarded after use.

  6. Compressed-air energy storage - Wikipedia

    en.wikipedia.org/wiki/Compressed-air_energy_storage

    Thus if 1.0 m 3 of air from the atmosphere is very slowly compressed into a 5 L bottle at 20 MPa (200 bar), then the potential energy stored is 530 kJ. A highly efficient air motor can transfer this into kinetic energy if it runs very slowly and manages to expand the air from its initial 20 MPa pressure down to 100 kPa (bottle completely "empty ...

  7. Recycling in the United States - Wikipedia

    en.wikipedia.org/wiki/Recycling_in_the_United_States

    In 2014, the recycling/composting rate for municipal solid waste in the U.S. was 34.6%. [1] A number of U.S. states , including California , Connecticut , Delaware , Hawaii , Iowa , Maine , Massachusetts , Michigan , New York , Oregon , and Vermont have passed laws that establish deposits or refund values on beverage containers while other ...

  8. Prince George's County, Maryland - Wikipedia

    en.wikipedia.org/wiki/Prince_George's_County...

    Prince George's County (often shortened to PG County or PG) [2] [3] is located in the U.S. state of Maryland bordering the eastern portion of Washington, D.C. As of the 2020 U.S. census, the population was 967,201, [5] making it the second-most populous county in Maryland, behind neighboring Montgomery County.

  9. Michael Chang - Wikipedia

    en.wikipedia.org/wiki/Michael_Chang

    0 / 17 Win–loss 11 6–3 13–2 9–3 7–3 9–4 8–4 9–3 16–4 14–4 13–4 5–4 2–3 4–4 2–4 2–4 0–2 120–56 1 / 57 Olympic Games: Summer Olympics: NH A Not Held 2R Not Held A Not Held 1R Not Held 1–2 0 / 2 Year-end championship: Tennis Masters Cup: DNQ RR DNQ RR RR RR F RR RR Did not qualify 7–16 0 / 7 Grand Prix