The results showed that the method has the advantages of saving time and cutting down experimental cost over membrane filtration used in conventional determinations.
实验证明，此法可以比常规检验中使用的膜过滤的方法省时，更可以节约试验费用。
Liquid membrane separation is an efficient, quick and energy-saving separation technique.
液膜分离是一种高效、快速、节能的新型分离技术。
Membranes for gas separation have recently attracted much attention since membrane separation is one of the promising energy-saving operations.
由于膜分离过程是一种省能型操作，近年来，气体分离膜的研究受到关注。
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