self-cleansing velocity

The paper establishes a double-loop control model suitable for three-phase electric regulating valve with large capacity, presents the mathematical model of the velocity generator, which takes increment of valve position as input, and the velocity control strategy for fuzzy parameter self-aligning PID.

本文构建了适用于大流量三相电动调节阀的双闭环控制模型，提出了以阀位增量为输入量的速度发生器的数学模型和模糊参数自整定PID的速度控制策略。

Based on fluid dynamic principle, the tidal velocity profile in the near-bottom layer in estuary and coast is established by introducing Prandtl mixing length theory and Von Karman self-similar theory.

本文从流体动力学原理出发，利用Prandtl混合长度和Von Karman自相似理论，建立河口海岸近底层潮流速分布的对数线性模式。

Electrical life: 50 Primary Characteristic: cross current single velocity switch, which contain self-lock or no self-lock.

品牌风速型号FS051电器寿命: 50主要特征: 交流单速开关, 带自锁或无自锁.

Influence of parameters such as attenuation coefficient, velocity of sound, and temperature of medium on focusing sound field generated by a self-focused concave spherical radiator has been studied through numerical simulation with Ray-leigh integral.

以凹球面自聚焦超声换能器为例，用瑞利积分进行数值模拟计算，研究声衰减、声速、温度等参数对声聚焦的影响，并对不同生物组织中声聚焦的特点进行了比较。

The system improves the test level and faulty diagnose velocity, can be applied to the self-test and state monitor and the monitor of production in large factory.

该系统提高了电子装备的测试水平和测试诊断速度，也可用于大型工厂的生产监测。

The two problems of integral model for bubble plumes, i. e. are there self similarity for bubble plumes and the scale of slip velocity of air bubble, are analyzed.

就目前已有的气泡羽流积分模型中的两个问题（即气泡羽流是否存在自相似性和气泡在水体中的滑移速度量级）进行了分析，在应用积分模型时应特别注意。

Electrical Characteristic: cross current single velocity switch, contain internal of self-lock device.

主要特征: 交流单速开关, 带内锁式自锁功能.

Meanwhile, temperature characteristic and velocity of oxygen consumption are also studied by full-scale experiment. Using conversation of energy and estimation of chemical bond energy to obtain heat release of coal sample, the limit parameters of self-ignite of coal sample are made sure.

通过大煤样自然发火实验研究了煤样的升温速度特性、耗氧速度特性，采用能量守恒和化学键能估算法计算了煤样的放热强度，确定了煤样的自燃极限参数。

Electrical life: 50000 Primary Characteristic: cross current single velocity switch, which contain self-lock, or no self-lock.

电器寿命: 50000主要特征: 交流单速开关, 带自锁或无自锁.

Aiming at the obstinate after-working impulse and big thrust deviation of motor after depleted shutdown, a new hybrid orbit self-adaptive guidance scheme which combines velocity increment cutoff ( VIC) and terminal velocity matching correction was put forward.

针对固体火箭发动机在指令关机后存在量级小但顽固的后效冲量及推力偏差大等问题，提出了将速度增益制导（VIC）、末速匹配修正二者结合的混合轨道自适应制导方案。