本发明涉及一种适宜于清洁流体设施和管道使用的三腔室单向阀门，取名“流量信息阀”。
The invention relates to a three-chamber unidirectional check valve which is suitable for cleaning a fluid facility and a pipeline and called as 'flow information valve'.
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。
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.
同时发现室旁核、室周核、室周弓状核及视前大细胞核的VP阳性神经元有突起伸入到第三脑室室管膜或突出于脑室腔，视上核的VP阳性神经元也有突起投射至脑基底神经胶质板上或伸至蛛网膜下腔。
The process of VP-like cells in PVN, PN, AN and POM projected towards the third ventricle, and the process in SON towards the glial lamina in the basal surface of the brain or subdural space.
本文将三维势流理论应用于压水堆上腔室稳态流扬分析。
The three dimensional potential flow theory is applied to the analysis of the steady flow field of PWR upper Plenum.
本文将三维势流理论应用于压水堆上腔室稳态流扬分析。
The three dimensional potential flow theory is applied to the analysis of the steady flow field of PWR upper Plenum.
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