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Jean GALLARDA: Engineer from École Centrale de Paris - Doctor Engineer - Air Liquide Hydrogen Expert - Former assistant in thermodynamics at École Centrale de Paris
INTRODUCTION
The hydrogen atom is the simplest of all atoms, since its nucleus consists of a single proton around which an electron orbits (figure 1 ).
However, the hydrogen molecule, made up of two atoms, has very specific characteristics. These characteristics have led to a particularly sophisticated liquefaction process.
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Hydrogen liquefaction
Special features of the hydrogen molecule
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