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- effective orifice area 有效孔区
- In order to estimate eccentric MR,two parameters named turbulent intensity and regurgitate angle were proposed to modify the effective regurgitate orifice area(EROA) based on traditional PISA algorithm. 针对这一现状,从返流角度和湍流强度两个方面,对传统PISA算法的有效返流瓣口面积(EROA)进行修正。
- The tapered plug or "needle" is screwed in or out of a mating orifice in the body and thus controls the effective orifice size. 其锥形插头或“针头”是阀体上配置的螺纹旋进旋出的节流道，因此能够有效控制节流面积。
- Objectives\ This study was designed to examine whether proximal isovelocity surface area method(PISA) is better than pressure half time method(PHT) in the measurement of mitral mechanical prosthetic orifice area(MPOA). 目的探讨血流汇聚法（pisa法）与压差半降法（PHT法）测量机械二尖瓣口有效开放面积的准确性及可靠性。
- Methods:The 20 patients with rheumatic mitral stenosis receipted examination of doppler echocardiography.We measure transmitral pressure gradient,mitral valve orifice area and pulmonary flow pattern. 方法:20例风湿性二尖瓣狭窄患者,经多普勒超声心动图检查,测量了二尖瓣口压差、瓣口面积及肺动脉血流频谱参数。
- valvular orifice area calculation 瓣膜口面积计算
- That's rather an effective use of color. 这种使用颜色的手法效果相当好。
- In the short term, the medicine may not be very effective. 从眼前来看，这药可能疗效不是很大。
- When does the new system become effective? 新制度何时生效？
- Comparison study of stenotic mitral valve orifice area measured from real-time three-dimensional echocardiography and surgical specimen 实时三维超声心动图与手术测量二尖瓣狭窄瓣口面积的对照研究
- The fear of ridicule is a very effective sanction. 人们不做违法乱纪的事，其中一个重要因素就是怕人耻笑。
- Initial exploration into measurement of stenotic mitral valve orifice area by real-time three-dimensional echocardiography 实时三维超声心动图测量二尖瓣狭窄瓣口面积的初步探讨
- Effective, punitive, or destructive action. 有效的行为有效的、惩罚的或破坏性的行为
- So that is your effective remedy. 原来那就是你们所谓的有效药物。
- I think you'll have to take effective steps. 我认为你得采取有效措施。
- Gentle persuasion is more effective than force. 温和的说服胜於压服。
- The effective irrigation area is 72.74 million mu. 农业有效灌溉面积479万公顷。
- This country lacks an effective party of the centre. 这个国家缺少一个能起作用的中立党派。
- In using superheated steam, compounding becomes less effective. 使用过热蒸汽时，混合的效果就会减少。
- Commercial television is an effective medium for advertising. 商业电视是有效的广告宣传工具。
