Sentence examples for catalyst has been from inspiring English sources

"The catalyst has been the fees," she explained.

That catalyst has been provided by the somewhat unlikely controversy over female bishops.

The original Ziegler-Natta titanium tetrachloride-triethylaluminum catalyst has been joined by a variety of others.

I try to share his hope, but since his book on these questions will now go unwritten and his powerful voice unheard, one possible catalyst has been removed.

"After the loss of around 80% of the buildings in the central city through collapse and post-quake demolition … the critical catalyst has been bottom-up creativity".

The catalyst has been a federal appeals court decision in July striking down an S.E.C. rule that would have made it easier for shareholders to nominate company directors.

Bismuth III) salophen as a new catalyst has been synthesized.

A ruthenium catalyst has been sensitized by tantalum oxide particles.

Moreover, the reusability of the catalyst has been verified.

The other catalyst has been a relatively minor tweak in the application's UI.

A kaolinite-supported ZSM-5 zeolite catalyst has been prepared using prilling process.