The average residence time of oil gases in the disengager is also shortened by adding an unique device for gas withdrawl.

采用特殊设计的气体引出方式，大大缩短了油气在沉降器内的平均停留时间。

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The effect of temperature, average residence time and density of sulphate acid were discussed on nucleation rate, growth rate and crystal shape.

分别讨论了结晶温度、平均停留时间、硫酸质量分数等因素对结晶成核速率、晶体成长速率以及晶体形状、大小的影响。

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The pound region volume of the baffle C type is still too small, so the liquid steel can't mix sufficiently, and the average residence time in the tundish is short.

型挡墙，冲击区体积较小，钢液混合不均匀，钢液在整个中间包内的平均停留时间较短。

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In contrast to flowing rivers, lakes and reservoirs have long water residence times, an indication of the average time water will spend in a lake.

UNESCO: Summary