[articles] - at <a/the> heating rate of 10°C/min

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offroad

New Member
Portuguese
Dear teachers

Which one of these articles sounds better?

The oven temperature was programmed to vary from 50°C (5 min) to 280°C (10 min) at a/the heating rate of 10°C/min.

To me, considering this context, either works.

Very much appreciated

Offroad
 
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