enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Phases of ice - Wikipedia

    en.wikipedia.org/wiki/Phases_of_ice

    The hydrogen atoms' positions are disordered. Exhibits Debye relaxation. The hydrogen bonds form two interpenetrating lattices. Tetragonal form (contested) known as Ice VII t. [60] Ice VIII 1966 [61] <278 K (5 °C) (formation from ice VII) 2.1 GPa (formation from ice VII) Tetragonal Proton-ordered equivalent to Ice VII. Ice IX 1968 [62]

  3. Finite element method - Wikipedia

    en.wikipedia.org/wiki/Finite_element_method

    The finite difference method (FDM) is an alternative way of approximating solutions of PDEs. The differences between FEM and FDM are: The differences between FEM and FDM are: The most attractive feature of the FEM is its ability to handle complicated geometries (and boundaries) with relative ease.

  4. List of chemical elements - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_elements

    118 chemical elements have been identified and named officially by IUPAC.A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z).

  5. Borohydride - Wikipedia

    en.wikipedia.org/wiki/Borohydride

    Ball-and-stick model of the tetrahydroborate anion, [BH 4] −. Borohydride refers to the anion [B H 4] −, which is also called tetrahydridoborate, and its salts. [1] Borohydride or hydroborate is also the term used for compounds containing [BH 4−n X n] −, where n is an integer from 0 to 3, for example cyanoborohydride or cyanotrihydroborate [BH 3 (CN)] − and triethylborohydride or ...

  6. Nintendo 64 accessories - Wikipedia

    en.wikipedia.org/wiki/Nintendo_64_accessories

    Nintendo 64 accessories are first-party Nintendo hardware—and third-party hardware, licensed and unlicensed. Nintendo's first-party accessories are mainly transformative system expansions: the 64DD Internet multimedia platform, with a floppy drive, video capture and editor, game building setup, web browser, and online service; the controller plus its own expansions for storage and rumble ...

  7. Normalized difference vegetation index - Wikipedia

    en.wikipedia.org/wiki/Normalized_difference...

    The normalized difference vegetation index (NDVI) is a widely-used metric for quantifying the health and density of vegetation using sensor data. It is calculated from spectrometric data at two specific bands: red and near-infrared.

  8. International Space Station - Wikipedia

    en.wikipedia.org/wiki/International_Space_Station

    This is an accepted version of this page This is the latest accepted revision, reviewed on 28 December 2024. Inhabited space station in low Earth orbit (1998–present) "ISS" redirects here. For other uses, see ISS (disambiguation). International Space Station (ISS) Oblique underside view in November 2021 International Space Station programme emblem with flags of the original signatory states ...

  9. Basketball - Wikipedia

    en.wikipedia.org/wiki/Basketball

    Olympic pictogram for basketball. Basketball is a team sport in which two teams, most commonly of five players each, opposing one another on a rectangular court, compete with the primary objective of shooting a basketball (approximately 9.4 inches (24 cm) in diameter) through the defender's hoop (a basket 18 inches (46 cm) in diameter mounted 10 feet (3.048 m) high to a backboard at each end ...