| 摘要 |
It comprises the preparation of ethylene gas in a special apparatus, as products of the reaction between dibromoethane and zinc powder, its very high purification and its introduction into said cells in a precise amount, moistening of the air in said cells by means of the introduction of water vapour, the recirculation and heating of the air in said cells by means of a thermoventilator (thermofan), and the manual or automatic regulation and control of all the processes from outside the cells by means of a control console.
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