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from article Moho (Mohorovicic discontinuity)

Characteristics of waves traveling along the Moho. (a) Schematic cross section of the continental crust and upper mantle showing typical wave paths from a source of direct waves traveling near the surface of the crust, refracted waves traveling…

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from article Moho (Mohorovicic discontinuity)

Contour map of Moho depth in the United States. Contour values are given in miles (kilometers). (After R. J. Allenby and C. C. Schnetzler, United States Crustal Thickness, Tectonophysics, 93:13–31, 1983)

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from article Plasma (physics)

Approximate number densities (n) and temperatures (T ) of some typical plasmas. The temperature is measured in electronvolts (eV), with 1 eV = 11,605 K. The region above and to the left of the diagonal line represents strongly coupled plasmas (nλD3…

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from article Plasma (physics)

Helicon plasma, which is generated by whistler waves, which then propagate in the plasma. (a) Plasma source. (b) Plasma in a Pyrex chamber mounted inside the magnetic field coils. (Bruce Fritz, University of Wisconsin Engineering Center for Plasma…

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from article Plasma (physics)

Tokamaks. (a) Diagram of tokamak plasma and magnetic field. (b) Interior of the reaction chamber of the Tokamak Fusion Test Reactor (TFTR).

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from article Plasma (physics)

Wafer mounted inside the inductive source used for plasma etching. The surface magnetic field produced by the permanent magnets helps to confine the plasma. (Bruce Fritz, University of Wisconsin Engineering Center for Plasma Aided Physics)

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from article Plasma (physics)