In order to carry out the constant line speed and the constant tension for the rolling of plastic films during reversal, loop control of the rotating speeds and the tension is adopted.
为实现翻转过程中薄膜的恒线速度、恒张力控制，采用转速和张力的闭环控制，将线速度作为主控制变量，进行综合控制。
Frequency control the use of fans, water pumps, type of machinery to carry out speed control method to regulate the flow of energy conservation, economic efficiency is very important significance.
采用变频调速控制，对风机、水泵类机械进行转速控制来调节流量的方法，对节约能源，提高经济效益具有非常重要意义。
It is pointed out, while expounding the principle of chopper speed variation, that the value of peak current can affect the service life of components and so it is necessary to control.
文章阐述了斩波调速原理，指出峰值电流的大小会影响元器件的寿命，所以有必要对瞬时电流的大小进行控制。
Blades are turned, or pitched, out of the wind to control the rotor speed and keep the rotor from turning in winds that are too high or too low to produce electricity.
叶片打开，或定，出于对风的控制转子的速度和保持转子从转折，在风是太高或太低，以产生电力。
Frequency control the use of fans, water pumps, type of machinery to carry out speed control method to regulate the flow of energy conservation, improve cost-effectiveness of great significance.
采用变频调速控制，对风机、水泵类机械进行转速控制来调节流量的方法，对节约能源，提高经济效益具有非常重要意义。
Rotating speed and unbalance are used as control parameters to investigate routes to and out of chaos, and various forms of periodic, quasiperiodic and chaotic vibrations of the system.
转子转速与不平衡量被用来作为控制参数以研究进入和离开混沌区域的各种路径以及系统的各种形式的周期、拟周期与混沌运动。
A good controller is crucial to speed control of brushless DC motor, so it is important for brushless DC motor to find out a good control method.
控制器对无刷直流电动机的转速控制至关重要，因此研究无刷直流电机的控制策略十分重要。
Aiming to control the tension of roll out system, the rule of speed control based on AC driving is discussed.
针对卷筒材料放卷系统的张力控制问题，探讨了一个基于交流传动的速度控制规律。
However, if the effective descaling is carried out, it is very important to control the feeding speed of steel billet, the flow rate of water and the pressure of water.
但要实现有效除鳞，控制钢坯速度、水的流量及水压大小至关重要。文章介绍了高压水除鳞控制系统的结构与功能。
Nanoparticles as a catalyst to greatly improve the efficiency of the reaction to control the speed of reaction, so that even the original can not be carried out by the reaction can be carried out.
纳米粒于作催化剂，可大大提高反应效率，控制反应速度，甚至使原来不能进行的反应也能进行。
The frequency control of motor speed is used for alternating current motor of main winch on No1 BF charging system, so that it is possible to carry out control of skip moving speed.
安钢1号高炉主卷扬交流电机采用变频调速技术，实现料车运行调速控制。变频器运行一年多来，未发生过一次故障。
While these Wells begin to overflow, Those rapid overflow speed and high pressure shut-in, or serious blow-out or a blowout could ultimately lead to loss of control.
一旦出现溢流就会出现溢流量大，溢流速度快，关井压力高等特点，严重的可能最终导致井喷或井喷失控。
While these Wells begin to overflow, Those rapid overflow speed and high pressure shut-in, or serious blow-out or a blowout could ultimately lead to loss of control.
一旦出现溢流就会出现溢流量大，溢流速度快，关井压力高等特点，严重的可能最终导致井喷或井喷失控。
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