The maintenance habit of the vehicle is to see how the car owner cares for the car. If the car is a used car, then the first priority is to change the car's oil, bec…

Electromagnetic Interference Approaches to Vacuum Transmitters

Many electric vacuum transmitters are installed in the form of a cabinet. The entire transmitter is a complete electromagnetic system. In addition to the interface …

Vacuum is a special substance

Vacuum Quantum Electrodynamics Quantum Chromatic Dynamics Quantum Odor Dynamics, there is still some disagreement about the novel and complex nature of vacuum given by particle physics. One view is…