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Tens Massager

Tens Massager

Tens massager Tens unit for sciatica principle: The central control part simultaneously generates S1-Sn positive and negative pulses. The width, interval time and amplitude of each pulse are adjustable. The pulse shaping part combines the waveforms of S1-Sn and outputs the signals at high...

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Tens massager

Tens unit for sciatica principle:

The central control part simultaneously generates S1-Sn positive and negative pulses. The width, interval time and amplitude of each pulse are adjustable. The pulse shaping part combines the waveforms of S1-Sn and outputs the signals at high voltage. The negative pulse in the combined waveform is used to compensate the ultrasonic residual wave generated by the positive pulse and the pulse width is adjusted to adapt to different frequency transducers. Experiments can obviously improve the penetration and resolution of the ultrasonic source.


Tens massager knowledge

Pulse reactor

Can reach supercritical state in a very short time interval, resulting in very high pulse power and strong neutron flux, and safe and reliable multiple repetitive operation of the reactor.


It is divided into two types of thermal neutron pulse stack and fast neutron pulse stack. China has built a Uranium, Hydrogen Zirconium Pulse Reactor, a reactor that uses uranium, hydrogen and zirconium as fuel.


It mainly uses hydrogen as a moderator, when the power is increased, the temperature will increase, the moderating effect of hydrogen will be weakened, the reactivity will be reduced immediately, and the reactor will have a very large negative temperature coefficient of instantaneous flow, thus running in a pulse mode.


In addition to training of personnel, research reactors and the production of short-lived radioisotopes, pulse reactors are also used to treat cancer, neutron radiography, activation analysis and irradiation of fuel and materials.


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