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Control automático de nitrógeno líquido
Se describe un sencillo control electrónico (completamente estado sólido), que permite mantener, automáticamente, niveles apropiados de nitrógeno líquido dentro de un recipiente, tomándolo -cuando sea necesario- de otro depósito mayor.
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Copyright (c) 1990 Guillermo Zárate Mejía
This work is licensed under a Creative Commons Attribution 4.0 International License.
The authors or holders of the copyright for each article hereby confer exclusive, limited and free authorization on the Universidad Nacional de Colombia's journal Ingeniería e Investigación concerning the aforementioned article which, once it has been evaluated and approved, will be submitted for publication, in line with the following items:
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