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- air velocity gradient 气流速度梯度
- Responsible for air velocity tests in cleanroom/clean area. 负责洁净室/洁净区风速的测试工作。
- 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；
- 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。
- 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 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。
- 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。
- The large opening of the bell reducer keeps air velocity low thus preventing moisture re-entrainment. 喇叭形异径管的大开口度使空气流量保持较低从而避免把水分再次带走。
- These factors are air velocity under grate in Quenching-Recuperation-Cooling(QRC) zone,air velocity under gr. 利用该程序研究了骤冷区篦下风速、后冷却区篦下风速和熟料颗粒粒径等因素对篦冷机工作特性的影响。
- 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。
- For system stability, the influence of the static powder bed height was the most obvious, whereas the impact of the fluidization air velocity was slighter. 对于系统稳定性，静止料层高度的影响最显著，而流化风速的影响较轻微。
- 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 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。
- Mechanical ventilation systems are generally arranged near stations to ensure appropriate temperature or air velocity in subway system. 摘要地铁车站与连接车站的区间形成一个四通八达的网络，气流流向非常复杂。
- Aim:To probe dignostic significance of AVI(air velocity index) in the patients with chronic obstructive pulmonary disease. 目的:探讨气速指数(air velocity index,AVI)判定慢性阻塞性肺病(COPD)的价值。
- Simulating the air swirl flow field of BG-130/3.9-450 pulverized coal boiler, and expounding the flow characteristic and distribution of air velocity. 针对BG-130/3.;9-450型四角切圆燃烧煤粉锅炉炉膛内冷态动力场进行了数值计算，并对炉膛内的空气动力场进行了研究；
- A stainless steel liner forms the work area, and adjustable louvers balance the airflow and increase the air velocity into the work chamber. 工作区用不锈钢衬垫围成，同时装有可调的百叶窗用以平衡气流和增加进入工作间的气流速率。
- The measurements of the three components of air velocity were conducted by means of a three dimensional ultrasonic anemometer. 对于工作台周围高架地板开孔率及其面积范围作改变，并无法改善工作台周围的低速区。
