Purpose To study the effects of Endothelin-1 (ET-1) in hypoxic pulmonary hypertension (HPH) and its relationship with HPH.
目的：探讨内皮素- 1 (et - 1)与缺氧性肺动脉高压(HPH)的相互关系。
Methods: Divide all HPH cases into two groups at random, 28 cases in Feiyanping group and 19 cases inNifedipine group as contrast.
方法：低氧性肺动脉高压症患者随机分为两组，28例用肺压平复方治疗，19例用硝苯地平治疗，两组进行观察对比。
Hypoxic pulmonary hypertension (HPH) is a key link of the adaptation physiology in high altitude area and the pathogenesis of all types of high altitude diseases.
低氧性肺动脉高压(HPH)是高原适应生理的重要环节，也是各型高原病的发病机理。
Objective To investigate the safety and effectiveness of minimally invasive treatment of hypertensive putamen hemorrhage (HPH) guided by neuronavigation in early stage.
目的探讨神经导航辅助下早期微创治疗高血压性壳核出血的安全性和疗效。
A mathematical model for heat transfer process in HPH furnace was established and verified, then applied to analysis of the relationship between gas flow rate and annealing time.
通过建立全氢罩式退火炉炉内传热过程的数学模型，并经过实测验证后，分析了循环风量与退火时间的关系。
The merits of down-hole motor drilling in both rotary and sliding modes are described. Some important drilling technologies in the 21st century, including high pressure and high temperature (HPH…
分析表明，高压高温钻井、深井超深井钻井、特殊工艺钻井及三维可控与可视化钻井技术将是2 1世纪最重要的和最具发展前景的钻井技术系列。
The merits of down-hole motor drilling in both rotary and sliding modes are described. Some important drilling technologies in the 21st century, including high pressure and high temperature (HPH…
分析表明，高压高温钻井、深井超深井钻井、特殊工艺钻井及三维可控与可视化钻井技术将是2 1世纪最重要的和最具发展前景的钻井技术系列。
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