Methods:Investigated all chambers of the heart ; pulmonary artery pressure and tricuspid regurgitation in 68 congenital antrum septal defect and 82 normal neonates by colour Doppler echocardiography.
方法：利用彩色多普勒超声心动图检测68例先天性房间隔缺损患儿与82例正常新生儿心脏各腔室的大小、肺动脉内压力、三尖瓣反流等。
The results showed that grain size in diamond film, defect and the film growth mode are different to diamond films appearing different colour.
观察表明：外强颜色不同的金刚石膜，其内部晶粒尺寸、缺陷类型和生长方式也不同。
The results showed that grain size in diamond film, defect and the film growth mode are different to diamond films appearing different colour.
观察表明：外强颜色不同的金刚石膜，其内部晶粒尺寸、缺陷类型和生长方式也不同。
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