Assertion: lubricant's amount | /r/HasProperty | governed by the thickness of the oil layer
Facets:
value: primarily
type: DEGREE
Source sentences:
text: By doping the lubricant oil with fuel, and operating the engine with hydrogen, Norris and Hochgreb showed that the total amount of fuel desorbed from the oil layer is governed primarily by the thickness of the oil layer rather than by diffusion times through the very thin lubricant layer (0.5–1.0 μm at warmed-up conditions) .