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2. Theta pinch - Wikipedia

   en.wikipedia.org/wiki/Theta_pinch

   Theta-pinch, or θ-pinch, is a type of fusion power reactor design. The name refers to the configuration of currents used to confine the plasma fuel in the reactor, arranged to run around a cylinder in the direction normally denoted as theta in polar coordinate diagrams.

3. Pinch (plasma physics) - Wikipedia

   en.wikipedia.org/wiki/Pinch_(plasma_physics)

   Screw pinch – A combination of a Z-pinch and theta pinch [15] (also called a stabilized Z-pinch, or θ-Z pinch) [16] [17] Reversed field pinch or toroidal pinch – This is a Z-pinch arranged in the shape of a torus. The plasma has an internal magnetic field. As distance increases from the center of this ring, the magnetic field reverses ...

4. Z-pinch - Wikipedia

   en.wikipedia.org/wiki/Z-pinch

   In fusion power research, the Z-pinch (zeta pinch) is a type of plasma confinement system that uses an electric current in the plasma to generate a magnetic field that compresses it (see pinch). These systems were originally referred to simply as pinch or Bennett pinch (after Willard Harrison Bennett ), but the introduction of the θ-pinch ...

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   www.aol.com/fda-alert-dog-food-recall-224500119.html

   Answers Beef Formula for Dogs, Best Buy Jan 31, 2025 and Lot Code BUBD Jan 31, 2026. Chicken Formula, Best Buy Jan 02, 2026 and Mar 11, 2026, Lot Codes BUBD Jan 02, 2026 and Mar 11, 2026.

7. Field-reversed configuration - Wikipedia

   en.wikipedia.org/wiki/Field-reversed_configuration

   The FRC was first observed in laboratories in the late 1950s during theta pinch experiments with a reversed background magnetic field. [3] The original idea was attributed to the Greek scientist and engineer Nicholas C. Christofilos who developed the concept of E-layers for the Astron fusion reactor.

8. Reversed field pinch - Wikipedia

   en.wikipedia.org/wiki/Reversed_field_pinch

   The q profile in a reversed field pinch The poloidal field in a reversed field pinch. A reversed-field pinch (RFP) is a device used to produce and contain near-thermonuclear plasmas. It is a toroidal pinch that uses a unique magnetic field configuration as a scheme to magnetically confine a plasma, primarily to study magnetic confinement fusion.

9. Small-angle approximation - Wikipedia

   en.wikipedia.org/wiki/Small-angle_approximation

   Using the squeeze theorem, [4] we can prove that ⁡ =, which is a formal restatement of the approximation ⁡ for small values of θ.. A more careful application of the squeeze theorem proves that ⁡ =, from which we conclude that ⁡ for small values of θ.