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  2. High-frequency vibrating screens - Wikipedia

    en.wikipedia.org/wiki/High-frequency_vibrating...

    Therefore, the capital cost for the process is lowered while maintaining a high quality of the asphalt mixture. Moreover, high frequency screen applies intensive vibration directly onto the screen media, such high RPM allows asphalt pavement material to achieve a higher stratification and separate at a faster rate. [3]

  3. Electromagnetic shielding - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_shielding

    Electromagnetic shielding cages inside a disassembled mobile phone.. In electrical engineering, electromagnetic shielding is the practice of reducing or redirecting the electromagnetic field (EMF) in a space with barriers made of conductive or magnetic materials.

  4. Corundum - Wikipedia

    en.wikipedia.org/wiki/Corundum

    Corundum is a crystalline form of aluminium oxide (Al 2 O 3) typically containing traces of iron, titanium, vanadium, and chromium. [3] [4] It is a rock-forming mineral.It is a naturally transparent material, but can have different colors depending on the presence of transition metal impurities in its crystalline structure. [7]

  5. Seinfeld - Wikipedia

    en.wikipedia.org/wiki/Seinfeld

    Seinfeld (/ ˈ s aɪ n f ɛ l d / SYNE-feld) is an American television sitcom created by Larry David and Jerry Seinfeld that originally aired on NBC from July 5, 1989, to May 14, 1998, with a total of nine seasons consisting of 180 episodes.

  6. Capacitor - Wikipedia

    en.wikipedia.org/wiki/Capacitor

    Charles Pollak (born Karol Pollak), the inventor of the first electrolytic capacitors, found out that the oxide layer on an aluminum anode remained stable in a neutral or alkaline electrolyte, even when the power was switched off. In 1896 he was granted U.S. Patent No. 672,913 for an "Electric liquid capacitor with aluminum electrodes".

  7. Marginal cost - Wikipedia

    en.wikipedia.org/wiki/Marginal_cost

    In economics, the marginal cost is the change in the total cost that arises when the quantity produced is increased, i.e. the cost of producing additional quantity. [1] In some contexts, it refers to an increment of one unit of output, and in others it refers to the rate of change of total cost as output is increased by an infinitesimal amount.

  8. Polyvinyl chloride - Wikipedia

    en.wikipedia.org/wiki/Polyvinyl_chloride

    The material comes in a range of colors and finishes, including a photo-effect wood finish, and is used as a substitute for painted wood, mostly for window frames and sills when installing insulated glazing in new buildings; or to replace older single-glazed windows, as it does not decompose and is weather-resistant.

  9. Aluminium chloride - Wikipedia

    en.wikipedia.org/wiki/Aluminium_chloride

    Aluminium chloride, also known as aluminium trichloride, is an inorganic compound with the formula AlCl 3.It forms a hexahydrate with the formula [Al(H 2 O) 6]Cl 3, containing six water molecules of hydration.

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