The methods of regeneration and preventing deactivation of catalysts are reviewed briefly.简要介绍了催化剂的再生和防失活等方面的技术.The coking and deactivation of virgin naphtha aromatization catalyst are studied on isothermal reactor.利用等温固...
脉冲通常以微秒计。The pulse is usually timed in micro-seconds.1毫微秒等于一秒的十万万分之一.One nanosecond is equal to one - thousandth of one - millionth of one second.动态应力强度因子的变化发现滞后于应力脉冲冲击几微秒.The dynamic SIF variation was found to lag behin...