noun
Hoffmann method
A specific named method; likely refers to a technique or system associated with the name Hoffmann. Domain and exact usage depend on context (e.g., chemistry, engineering, or a proprietary process).
この実験ではホフマン方式を採用した。
We adopted the Hoffmann method in this experiment.
From the name Hoffmann (ホフマン) + 方式 (method). The exact origin and field are uncertain without additional context.