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- overall mean velocity 断面平均流速
- This paper puts enough emphasis on the similarity in analyzing the mean velocity over a long period of time (where the long period is referred to as a cycle of the Karman Vortex Shedding). 从相似性的角度,对流速在尾流摆动一个周期内的平均值进行了分析。
- Vancouver averaged 21 lashes per man, compared with the overall mean of five and Bligh's 1.5. 温哥华平均鞭打每个船员21鞭,整体的平均值是5,卜莱则为1.;5。
- In the CGT region,the relation between turbulent Reynolds stress and mean velocity gradient is nonlinear. CGT区域内雷诺应力与平均速度梯度呈非线性关系。
- Mean velocity (Vm) in vertebral arteries(VA) and basilar arteries(BA) were measured using transcranial doppler(TCD). 采用经颅多普勒(TCD)脑血流分析技术测定两侧椎动脉(VA)及基底动脉(BA)平均血流速度(Vm)。
- In the CGT region, the relation between turbulent Reynolds stress and mean velocity gradient is nonlinear. 逆压梯度时,湍动能负产生率区域不复存在,此时CGT区域从有到无,也是呈 先增大后缩小的趋势,并最终消失;
- The air velocity of arch crest has little influence on mean velocity of workaround. 拱顶送风风速对工作区平均风速影响不大。
- Peak velocity (Vp), mean velocity (Vm), pulsatile index(PI) and resistance index(RI) of malignant tumor are higher than those of benign tumor. 乳腺恶性肿瘤的收缩期最高流速、平均流速、搏动指数、阻力指数均高于良性病变。
- A measurement method of solid particles mean velocity based on the spatial filtering effect of the electrodynamic sensor was developed. 介绍了静电传感器的空间滤波特性,推导了颗粒流动速度与静电传感器输出信号频率特性之间的关系。
- The peak of the wave celerity probability distribution appears within the mean velocity region of the two-phase bubbly flow. 空隙率波的波速概率分布在两相混合流速处出现峰值,向两侧加速递减,与高斯分布接近。
- An essential clause or phrase is one that cannot be removed without changing the overall meaning of the sentence. 不可省略的从句或短语是指如果删掉这部分会影响到整个句子。
- Time-averaged mean velocity (TAMV), pulsatility index (PI), and breath-holding index (BHI) were measured via TCD sonography in the middle cerebral artery. 经大脑中动脉检测均时平均流速、脉动指数和屏气指数。
- Extensive reading places an emphasis on getting overall meaning of the text, not unraveling individual words, sentences or structure. 所谓的广泛阅读是强调对整体内容的了解,而不需钻研个别字句与文法;
- The distribution of atherosclerotic plaque, degree of stenosis and ultrasounic classification of ECA and the mean velocity of blood flow in MCA were examined. 检测分析指标为颅外段颈动脉粥样硬化斑块的分布、狭窄度、超声分型和颅内大脑中动脉的平均血流速度。
- A measuring method of the velocity distribution at air calibrator exit of HWFA was introduced.The mean velocity and rate of flow can be obtained by curve fit and integral. 摘要介绍了利用热线热膜风速计测量其空气校准器出口的速度分布,经过曲线拟合和积分,可以得出其平均速度和流量。
- Their combination has become an independent category, referring to both“honesty”and“trust,” which ascribes an overall meaning to the traditional“sincerity. “诚”和“信”相连使用成为一个独立范畴,既指“诚”又指“信,”使传统“诚信”具有了较全面的涵义。
- The mean velocity profiles, the RMS (root-mean-square) velocity profiles and Reynolds stress profiles calculated by the modified model are consistent with the results of DNS. 用修正后的模型计算出的平均速度分布、均方根速度的分布以及雷诺应力的分布,均与直接数值模拟(DNS)的结果吻合较好。
- Measures the time mean velocity and velocity fluctuation using a hot film anemometer with different confinement ratio for the axisymmetric turbulent jet in a dead-end tunnel. 介绍了采用热膜流速仪量测堵头管中不同受限度轴对称射流的时均流速和流速脉动。
- The measurements were carried out in the large-scale wind tunnel at low speed of 9 m/s.Presented data consists of profiles of mean velocity and Reynolds stresses. 实验结果表明,气流流出扩压叶栅出口后,吸力面和压力面的通道涡将在较长的距离内保持其形态和强度,但是尾迹的形成及尾迹在压力的作用下向吸力面方向的偏斜成为了这一阶段的主要流动现象。
- He tried to varnish over the truth with a lie. 他试图用谎言来掩盖真相。
