Combining several techniques enables researchers to measure the rate ofdiffusionof these helium gas molecules, which reflect the size of the air sacs in the lung.
联合其他的仪器研究者能够测量出氦气分子的扩散率，这将反映出肺中肺泡的大小。
2
Objective to evaluate the lung carbon monoxide diffusion function in diagnosis of hepatopulmonary syndrome (HPS).
目的探讨肺一氧化碳弥散功能检测在肝肺综合征(HPS)临床诊断中的价值。
3
Results Of the 32 RA patients, 12 showed lung function defects. especially carbon monoxide diffusion capacity (DLCO) decreased compared with normal subjects ( P< 0 01).