The enhancement of the rate of mass transfer due to concentration driving force induced interfacial turbulence has been investigated in several typical liquid liquid systems.
选用几种液液体系，研究了浓度推动力引发的界面扰动对传质速率的增强效应。
The average breath-alcohol concentration reading for those who mixed alcohol and energy drinks was 0.109, well above the legal driving limit of 0.08.
混合饮用酒精和功能饮料者的平均酒精呼吸浓度是0.109，远高于法定驾车者的限定值0.08。
Why It's Unique: Driving through a windowless tunnelfor 20 minutes can get a bit monotonous, so a team of psychologists andengineers focused on retaining driver concentration.
独特之处: 在没有窗户的封闭隧道中连续行驶20分钟会让人感觉乏味，所以心理学家和工程师决定采取措施，维持驾驶员的注意力集中。
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