【简答题】在 1atm 、 20 °C下某低浓度气体混合物被清水吸收,若气膜吸收系数 k G =0.1 kmol/(m 2 · h · atm) ,液膜吸收系数 k L =0.25m/h ,溶质的溶解度系数 H=150kmol/m 3 · atm) ,则该溶质为( )气体,气相吸收总系数 K Y = ( ) kmol/( m 2 · h · △ Y) 。
【单选题】听力原文:Which position are you applying for? (A) No, I disagree with Paul: (B) I'm going to apply tomorrow. (C) I'm here for the sales position. (36)
【简答题】阅读理解。 Hello, my name is Paul. I'm a Chinese (中国的) boy. I'm in Shanghai with my parents. I'm in a middle school. I'm in Class 'rwo, Grade Seven. I'm in my classroom (教室). Look! This is my notebook. It'...
【简答题】Hello! I’m Paul. I’ m in China with my parents. I like China and Chinese food. I have breakfast at home. I eat an egg and some chicken for it. I don’t like salad. I have lunch at school. The lunch in ...
【单选题】听力原文:W: Hello? I would like to speak to Mr. Lee. M: This is Lee speaking. W: This is Linda, your old friend. M: Oh, how are you, Linda? I'm glad you called. W: Mr. Smith wrote to me that you were comi...