derivative technique (adj.)

in thermal analysis
https://doi.org/10.1351/goldbook.12288
Pertaining to the \(1^{\rm{st}}\) derivative (mathematical) of any curve with respect to temperature or time.
Source:
PAC, 2014, 86, 545. (ICTAC nomenclature of thermal analysis (IUPAC Recommendations 2014)) on page 547 [Terms] [Paper]