| Secondary alcohols can be formed by reduction of the ketone by hydrogen gas in the presence of a catalyst. |
| An occasional catalyst for regime change during the colonial era was the mass strike. |
| The methanol reacts with water in the presence of a catalyst to produce hydrogen ions and electrons. |
| His almost unnoticed donkey work was the catalyst for a superb performance. |
| The present invention relates to a new fluidized-bed catalyst used in a process of propylene ammoxidation to acrylonitrile. |
| The case may turn out to be one of those terrible incidents that provide a wake-up call and a catalyst for positive change. |
