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  2. Triangulated irregular network - Wikipedia

    en.wikipedia.org/wiki/Triangulated_irregular_network

    Triangulated irregular network TIN overlaid with contour lines. In computer graphics, a triangulated irregular network (TIN) [1] is a representation of a continuous surface consisting entirely of triangular facets (a triangle mesh), used mainly as Discrete Global Grid in primary elevation modeling.

  3. Refractive index and extinction coefficient of thin film ...

    en.wikipedia.org/wiki/Refractive_index_and...

    Indium tin oxide (ITO) is a conducting material with the unusual property that it is transparent, so it is widely used in the flat panel display industry. Reflectance and transmittance measurements of the uncoated glass substrate were needed in order to determine the previously unknown n ( λ ) and k ( λ ) spectra of the glass.

  4. Taxpayer Identification Number - Wikipedia

    en.wikipedia.org/wiki/Taxpayer_Identification_Number

    A Taxpayer Identification Number (TIN) is an identifying number used for tax purposes in the United States and in other countries under the Common Reporting Standard. In the United States it is also known as a Tax Identification Number ( TIN ) or Federal Taxpayer Identification Number ( FTIN ).

  5. Charge carrier density - Wikipedia

    en.wikipedia.org/wiki/Charge_carrier_density

    To calculate this number for electrons, we start with the idea that the total density of conduction-band electrons, , is just adding up the conduction electron density across the different energies in the band, from the bottom of the band to the top of the band .

  6. Thermal diffusivity - Wikipedia

    en.wikipedia.org/wiki/Thermal_diffusivity

    Thermal diffusivity of selected materials and substances [12]; Material Thermal diffusivity (mm 2 /s) References Pyrolytic graphite, parallel to layers: 1,220: Diamond: 1,060 - 1,160

  7. Magic number (physics) - Wikipedia

    en.wikipedia.org/wiki/Magic_number_(physics)

    The known doubly magic isotopes are helium-4, helium-10, oxygen-16, calcium-40, calcium-48, nickel-48, nickel-56, nickel-78, tin-100, tin-132, and lead-208. While only helium-4, oxygen-16, calcium-40, and lead-208 are completely stable, calcium-48 is extremely long-lived and therefore found naturally, disintegrating only by a very inefficient ...

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Mean free path - Wikipedia

    en.wikipedia.org/wiki/Mean_free_path

    In the kinetic theory of gases, the mean free path of a particle, such as a molecule, is the average distance the particle travels between collisions with other moving particles.