['The', 'major', 'purpose', 'of', 'this', 'study', 'is', 'to', 'provide', 'a', 'fundamental', 'concept', 'for', 'modelling', 'physicochemical', 'processes', 'of', 'the', 'gas', 'exchange', ',', 'followed', 'by', 'the', 'chemical', 'reaction', 'in', 'water', '.']