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title: Vacuum Academy Knowledge Center
description: Vacuum Academy Knowledge Center
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### [Vacuum Physics Quantities, their symbols, units of measure and definitions](https://content.leybold.com/migration/en/knowledge/vacuum-physics?hsLang=en)

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### [Vacuum Generation](https://content.leybold.com/migration/en/knowledge/vacuum-generation?hsLang=en)

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### [Analysis of gas at low pressures using mass spectrometry](https://content.leybold.com/migration/en/knowledge/analysis-of-gas-at-low-pressures-using-mass-spectrometry?hsLang=en)

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### [Instructions for vacuum equipment operation](https://content.leybold.com/migration/en/knowledge/instructions-for-vacuum-equipment-operation?hsLang=en)

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