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- effective orifice area 有效孔區
- 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. 針對這一現狀,從返流角度和湍流強度兩個(gè)方面,對傳統PISA算法的有效返流瓣口面積(EROA)進(jìn)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. 其錐形插頭或“針頭”是閥體上配置的螺紋旋進(jìn)旋出的節流道，因此能夠有效控制節流面積。
- 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). 目的探討血流匯聚法（pisa法）與壓差半降法（PHT法）測量機械二尖瓣口有效開(kāi)放面積的準確性及可靠性。
- 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例風(fēng)濕性二尖瓣狹窄患者,經(jīng)多普勒超聲心動(dòng)圖檢查,測量了二尖瓣口壓差、瓣口面積及肺動(dòng)脈血流頻譜參數。
- valvular orifice area calculation 瓣膜口面積計算
- That's rather an effective use of color. 這種使用顏色的手法效果相當好。
- In the short term, the medicine may not be very effective. 從眼前來(lái)看，這藥可能療效不是很大。
- When does the new system become effective? 新制度何時(shí)生效？
- Comparison study of stenotic mitral valve orifice area measured from real-time three-dimensional echocardiography and surgical specimen 實(shí)時(shí)三維超聲心動(dòng)圖與手術(shù)測量二尖瓣狹窄瓣口面積的對照研究
- The fear of ridicule is a very effective sanction. 人們不做違法亂紀的事，其中一個(gè)重要因素就是怕人恥笑。
- Initial exploration into measurement of stenotic mitral valve orifice area by real-time three-dimensional echocardiography 實(shí)時(shí)三維超聲心動(dòng)圖測量二尖瓣狹窄瓣口面積的初步探討
- Effective, punitive, or destructive action. 有效的行為有效的、懲罰的或破壞性的行為
- So that is your effective remedy. 原來(lái)那就是你們所謂的有效藥物。
- I think you'll have to take effective steps. 我認為你得采取有效措施。
- Gentle persuasion is more effective than force. 溫和的說(shuō)服勝於壓服。
- The effective irrigation area is 72.74 million mu. 農業(yè)有效灌溉面積479萬(wàn)公頃。
- This country lacks an effective party of the centre. 這個(gè)國家缺少一個(gè)能起作用的中立黨派。
- In using superheated steam, compounding becomes less effective. 使用過(guò)熱蒸汽時(shí)，混合的效果就會(huì )減少。
- Commercial television is an effective medium for advertising. 商業(yè)電視是有效的廣告宣傳工具。
