One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； December 21st
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Multiple-choice question: The main indicators for evaluating catalysts include: specific surface area and internal surface utilization rate, porosity and bulk density, ( ), mechanical strength, etc. A Shape B Effects of the toxin C Operating temperature range D Service life Answer: C Operating temperature range
The main indicators for evaluating catalysts include: specific surface area and internal surface utilization rate, porosity and bulk density, (C), mechanical strength, etc. A Shape B Effects of toxins C Operating temperature range D Service life