操作苛刻度 meaning in English

operating severity

For difficult - to - treat feed , the operation system must be improved : the reactor internals and distributor trays modified , reactor volume increased , active catalyst chosen and dense loaded , and operated at a higher severity
如果使用难脱硫进料，则操作系统必须改进，包括反应器内部及流体分配的设计改善、增加反应器容量或增设反应器、采用并密填活性较高之触媒以及增加操作苛刻度。