单项选择题
未知题型 膜分离法separation membrane 利用气体各组分通过薄膜渗透性能的区别,将某种气体组分从气流中分离和提浓,达到脱酸气的目的。The gas components are separated and concentrated from the air flow by the difference of permeability through the film, so as to achieve the purpose of deacidification. 适用于从天然气内分离出大量CO2的场合。从气体处理量小于280000m3/d的气流中脱除CO2有较好的经济性。It is suitable for extracting large amount of CO2 from natural gas. It is economical to remove CO2 from the gas flow capacity less than 280000m3/d.
单项选择题 某公司向银行借款500万元,年利率8%,借款期限三年,每年付息一次,银行要求维持贷款限额10%的补偿性余额,则该项借款的实际利率为( )
单项选择题 下列各项中属于筹资管理原则的有()