mean velocity of flow的意思|示意

This article reports the design of Z 4 Push Plate Ventricular Assist Device and the test of its mean flow velocity patterns.

报告了Z4型推板式左心辅助血泵的结构以及进行流场试验的方法。

The effects of stirred velocity, chlorine flow rate, air auxiliary flow rate, solids loading, mean particle diameter and reaction temperature on global process rate are investigated and analyzed.

考察了搅拌速度、氯气流量、辅助空气流量、固体联二脲浓度、粒度及反应温度对过程速率的影响。 分析了影响过程速率的主要因素。

Conclusions: It present a new way to differentiate unilateral renal ectopy and nephrospasis by measuring the changes of mean peak-systolic flow velocity of renal artery in these patients.

结论：肾缺如、肾异位、肾游走患者肾动脉血流峰值流速的改变，为肾缺如、肾异位、肾游走的 鉴别诊断提供了新的依据。

Then the mean distance and the mean time of material flow were calculated by means of filling method, the influence of the filling angle of particle on the axial transport velocity was analyzed.

然后引进差补方法计算物料平均轴向位移和平均停留时间 ，并分析了物料充满角对轴向位移速度的影响。

Results Transcranial Doppler had sensitivity of 88.3% (mean flow velocity) and 92.6% (systolic peak flow velocity) with specificity of 97.3% to detect the mild stenosis of carotid artery.

结果经颅多普勒检测颈动脉轻度狭窄平均流速的敏感性为88.3%，收缩期峰流速的敏感性为92 . 6 %，特异性为97.3%。

According to the flow state in flume for spur and experimental data, the formulas for the mean velocity of main channel varying with distance downstream were derived with momentum principle.

本文根据丁坝作用后水槽中水流情况，采用动量方程结合试验资料，导出了丁坝下游主槽平均流速沿程变化的公式，以此为基础，提出了丁坝作用下河床冲刷段长度的计算公式。