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Vacuum classification
Jul 16, 2018

Physical vacuum

This refers to the absence of any physical particles, but there is no space for nothing. And suppose you drive away the gas in a space, you will find that from time to time there are basic particles appearing in the vacuum and disappearing, out of nothing. The physical vacuum is actually a sea of energy that constantly fluctuates. When the energy reaches the peak, the energy is converted into a pair of positive and negative elementary particles. When the energy reaches the trough, the pair of pairs of positive and negative elementary particles annihilate each other and transform into energy.

Industrial vacuum

Industrial vacuum refers to the gas space where the air pressure is smaller than a standard atmospheric pressure. It refers to a thin gas state, which can be divided into high vacuum, medium vacuum and low vacuum. The vast space between the earth and the planet is a vacuum. Generally, a vacuum is obtained by a special air extractor. Its gas thinness is measured by a vacuum gauge, and it is now possible to obtain a high vacuum of 0.000000001 atmosphere using a molecular aspirator and a diffusion aspirator. Vacuum is of great use in science and technology, electric vacuum instruments, tubes and other electronic instruments.

Positive and negative electron collider

The role of the positive and negative electron collider is not only a pair of positive and negative electron collisions to generate photons and energy is so simple, a pair of photons can also collide to produce a pair of positive and negative protons, and the collision makes the collision The part of the vacuum can be excited to a high-energy state, which can produce a wider variety of elementary particles, serving the origin and composition of the universe.

According to its etymology, the original meaning is void, that is, there is no space for all; according to the modern physics point of view, the vacuum is not empty, which contains extremely rich physical content. One way of saying this is that when the pressure in the vessel is below atmospheric pressure, the portion below atmospheric pressure is called vacuum, and the pressure inside the vessel is called absolute pressure. Another way of saying this is that the space in a container with a lower pressure than atmospheric pressure is called a vacuum. The degree of vacuum differs: when there is no pressure in the container, ie the absolute pressure is equal to zero, it is called complete vacuum; the rest is called incomplete vacuum.

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