催化剂需要 meaning in Chinese
catalyst requirement
Examples
- The results showed that passivation of the presulfided hydrogenation catalysts was necessary ; temperature , concentration of o2 , reaction time and expansion rate are important influential factors on the passivation effects
结果表明，预硫化后催化剂需要经过钝化处理；反应温度、 o2浓度、反应时间及膨胀率是影响钝化效果的主要因素。