英语词汇hourly space velocity怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	hourly space velocity
释义	hourly space velocity 简明释义时空速网络释义 1 ?时空速 ... hourly rig cost 小时钻机成本 hourly space velocity 时空速 hourly wage 计时工资 ... 短语 1 liquid hourly space velocity 液时空速 ; 则可用液时空速 2 weight hourly space velocity 重时空速 ; 空速 ; 称为重时空速 3 gaseous hourly space velocity 气体体积空速 ; 体体积空速 ; 在气体体积空速双语例句 1 The selectivity of C8 was increased with raising of weight hourly space velocity, but the conversion of butene was reduced. 进料空速增大C8产物选择性增大，但丁烯转化率降低； 2 The impact of dry gas on FCC reaction becomes increasingly pronounced with lower reactor temperature and lower hourly space velocity, greater catalyst to oil ratio and longer reaction time. 而且在反应温度和空速越低、剂油比越大、反应时间越长的条件下，催化裂化反应受干气比率的影响越明显。
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