The results indicate that acid and alkali catalysts can increase the tar cracking reaction speed and reduce the activation energy due to the activated center.

结果表明，酸性和碱性催化剂由于活性中心的存在，加快了反应速度和降低了反应活化能。

youdao

Last weekend GE activated a command center in Wilmington, N.

WSJ: GE Steps Up Aid in Reactor Crisis

Missouri Gov. Jay Nixon declared a state of emergency Thursday morning and activated the State Emergency Operations Center.

NPR: Winter Storm Blankets Great Plains With Snow

The state Emergency Operations Center in Albany was activated at noon Friday to monitor storm response.

WSJ: A state-by-state look at the Northeast blizzard