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vertical velocity gradient 竖直速度梯度
The first helps you control your vertical velocity to limit the risks of ear barotrauma and DCI. 上升/下降绳可以帮助你控制垂直方向的速度并以此来降低耳朵的气压性创伤和减压病症的危险。
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。
Objective:To investigate the value of myocardial velocity gradient(MVG) in diagnosis of myocardial ischemia. 目的:探讨跨壁速度梯度(MVG)在诊断心肌缺血中的应用价值。
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；
Finally, both the raising vertical velocity and dust aerosol concentration increased. 该机制在沙尘体中上部随着短波辐射的累积,逐步使沙尘浓度和垂直速度共同增大;
While the half angle increases, velocity gradient in a microdiffuser decreases and so does the average vorticity. 此外，受到流道内部速度梯度降低的影响，平均涡度值会随半角增加而下降。
Detecting the Vertical Velocity in the Atmosphere Boundary Layer in Hefei Using Sodar[J]. 引用该论文徐小峰;翁宁泉;肖黎明;孙刚.
The results showed large pressure gradient and velocity gradient of the material in the four intermeshing regions. 计算结果表明:四螺杆的四个啮合区具有较大的压力梯度、速度梯度,其混合性能明显好于双螺杆挤出机。
The above mentioned detachment is characterized by wedge with negative velocity gradient (shown with LVL) above R1 interface between Samada and Dagyi. （2）上述拆离层在萨马达一达吉之间，以R1界面之上的负速度梯度楔状体（LVL）为特征。
Moreover, because of the high utilization ration of runup velocity, the share of vertical velocity of takeoff in the initial jumping velocity is also smaller than Powel. 另外，由于助跑速度利用率偏高，起跳垂直速度所占腾起初速度的比例也少于对方。
Simulation of atmospheric mean state is improved obviously in many aspects, especially temperature, geopotential, vertical velocity in tropic, and specific humidity etc. 云量方案改进以后,对大气平均状态的模拟有了一定的改进,尤其是温度、位势高度、热带地区的垂直速度、以及比湿等的模拟有了较为明显的改进。
Then the authors explain hypostasis of the velocity gradient and vortex, and make a try to unify the vortex coagulation theory and the conventional coagulation theory. 从根源上解释了紊流流场中速度梯度和旋涡的产生，试图把最近发展的涡旋混凝理论与传统的混凝理论进行统一。
The vertical velocity is calculated directly from the raw dropsonde data, it is a preliminary attempt to use the vertical velocity for synoptic analysis. 垂直气流速度是根据探空仪落速变化算出,把它用在天气系统分析是初次尝试。
The pressure gradient and velocity gradient of the extrudate in the central area were small, and the extrudate fllowed slowly in the central area, having high viscosity. 中心区的物料压力梯度和速度梯度都较小，物料在中心区流动缓慢，中心区的物料粘度值较大；
The vertical velocity distributions in the vegetated channel and the relationship between resistance coefficient and flow depth were measured in laboratory experiments. 摘要通过模型试验测定了渠道中一种高棵、密集分布的植物，在淹没情况下的断面流度分布曲线及糙率和水深关系曲线；
The results show that a large velocity gradient emerges in the intermeshing region of the screw reactors, which is helpful to mix materials sufficiently. 结果表明，螺杆反应器的啮合区具有较大的速度梯度，有利于物料的充分混合。
In this paper,according to the logarithmic velocity distribution in the open channal,formula of the distribution of the vertical velocity in condition of ice-cover was formed. 以明渠对数流速分布为基础，提出有冰盖情况下的垂线流速分布公式，并以此论证了现行冰期流速测点布设模式的合理性。
Velocity|related indices derived from MPD including peak velocity of S wave, E wave and A wave, A/E and MVG (myocardial velocity gradient) were applied for the detection of WMA. For evaluation of WMA, left ventricle was divided into 20 segments. 用于室壁运动分析的 MPD速度指标为 S波、E波、A波的峰速度 ,A/ E比值及跨壁速度梯度 (MVG)。
Use the cross-correlation technology to measure the mean solids velocity along the chord, and simulate researches on LBP reconstruction algorithm and FBP reconstruction algorithm to reconstruct the vertical velocity field. 应用互相关测速技术进行固相颗粒弦平均速度的检测,利用线性反投影算法和滤波反投影算法进行MATLAB仿真研究,重建纵向速度场分布;