Sentence examples for catalyst life span from inspiring English sources
Two positive effects were observed: (1) an important reactivity increase due to the photogenerated electronic flux onto the molybdenum coordination sphere and (2) a catalyst life span amplification due to the isolation of the metallic centers allowing the catalytic system to be turned on and off in the presence or absence of O2.
Most of the bi- or tri-metal catalysts might have long catalyst life span, but the size of this hybrid would be higher.
The existence of oxygenants restrains more carbon deposition, so it decreases the operation temperature and increases the life span of catalysts at the same time [12].
Since the sensor does not need to prepare and fix up the granular catalyst, the simple technology reduces cost, improves stability and extends life span.
"They have a life span," he said.
This study then analyzed patent life span.
Life span: Three to five years.
Intelligence and life span are normal.
Life span: Five to seven years.
