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- Result As body position changed from seating or supine into head down tilt, FVC, FEV1, FEV1%, MVV, VA and IVC decreased.The change of MVV was the most prominent (P<0.000). 结果随着体位由坐位、平卧位到头低位,肺通气量(FVC;FEV1;FEV1%25;MVV)、肺容量(VA,IVC)逐渐减少,其中以MVV变化显著(P<0.;000)。
- Objective To investigate the change of cardiac function during 21 d head down tilt (HDT) bed rest and the effect of lower body negative pressure(LBNP) in the last week in human. 目的观察21d头低位卧床期间被试者心功能的变化及最后一周下体负压锻炼(LBNP)的影响。
- Method The event related potentials (ERPs) during auditory location discrimination were compared between head down tilt (HDT) and head up tilt (HUT) conditions among 14 healthy subjects. 目的探明模拟失重条件下听觉方位区分的脑反应特性,进一步了解模拟失重条件下脑功能的变化特点。
- The Effect of Head Down Tilt on Blood Circulation and Respiratory System 头低位倾斜对血液循环及呼吸系统的影响
- Keywords head down tilt;bed rest(tests);dynamic posture equilibrium tests;equilibrium;str ategies;somatosensory; 头倒位倾斜;卧床实验;动态姿态平衡测试;平衡;策略;本体感觉;
- He had his head down as he walked out of the court. 他走出法庭时耷拉著脑袋。
- Effects of Head Down Tilt on Intra-ocular Pressure, Near Vision, and Visual Field and the Protection Effect of Chinese Herbs 头低位卧床对眼内压、近视力、视野的影响及其中药防护
- Keywords Head down tilt bed-rest Pulmonary circulation blood perfusion Pulmonary blood volume (PBV) Right ventricular output volume Pulmonary arterial pressure; 关键词头低位卧床;肺循环血流;肺血容量;右心输出量;肺动脉压;
- She ducked her head down as the shots rang out. 当枪响时她忽地低下头。
- Keep your head down,there are bullets going over. 把头低着,子弹的头上飞来飞去的。
- I managed to get my head down for an hour. 我将就着睡了一小时。
- The bull put its head down and charged. 公牛低下头猛冲过来。
- Her mother sat in an armchair with her head down. 她母亲坐在椅子上,头低着。
- We'll head down there first thing tomorrow morning. 明早第一件事就是热。
- He listened with his head down his shoulders. 他耷拉着脑袋听。
- He put his head down and dozed off. 他趴着睡着了。
- He remained silent with his head down. 他低着头一言不发。
- From your head down to your toe. 把你从头到脚照亮。
- He sat slumped in his chair with his head down. 他颓唐地坐在椅中,耷拉着脑袋。
- He stood at the door with his head down. 他低着头站在门口。