China's mines are hoist AC Induction Motor Drive, and its electrical control system uses a rotor series, cutting speed resistance , by the relay - contactor control devices constitute a logical.
我国矿井提升绞车大多是采用交流异步电机拖动，其电气控制系统采用转子串、切电阻调速，由继电器-接触器构成逻辑控制装置。
And what you will found is they will fall almost at the same speed, not exactly the same speed, because of air resistance.
他们原本会以同样的速度下落，但实际上并不是这样，因为空气中存在着阻力。
The low-pressure area reduces wind resistance and hence the amount of drag, which means less energy is needed to maintain the same speed as the leader.
在低压力区，空气阻力减少，向后拉的力量减小，因此只需要消耗较少的能量就可维持与在前面的竞争对手相同的速度。
As seen on the show Mythbusters, a penny won't pick up enough speed to crack a human skull. Wind resistance makes this impossible event even more unlikely.
正如《流言终结者》中曾经播出的，一分硬币永远不可能获得足够的速度穿过人的头骨，风的阻力会使速度更慢。
Negative PCR works like wind resistance does on your car: the harder you put your foot down, the more the wind impedes any further increase in your speed (see "It pays to be negative").
负pcr的工作原理就像风对汽车的阻力一样：踩油门越困难，提速时风的阻力就越大。
Against the "attack" of a biker, or even a small car driving at a more moderate speed, the car's resistance strength is perfectly adequate.
而相对于来自一辆自行车、甚或一辆中速行驶小型轿车的攻击而言，这款车的抵抗力则完全足够了。
If the electron flow takes place in a vacuum, as in the case of electronic valve, the electrons will travel at considerable speed, since little resistance is offered the medium.
如果电子在真空里流动，比如电子真空管，那么电子的运行速度非常快，因为介质对电子几乎不产生什么阻力。
Stator resistance and pure integration are removed from the reference model, resulting in robust performance in wide speed range.
参考模型中不含定子电阻，并且避免了纯积分运算，因而在宽速度范围内具有较好的鲁棒性。
The residual resistance factors and the depleted layer thickness of Xanthan solution decrease with injection speed increase, but recovery does not vary much.
注入速率增加时，黄原胶溶液的残余阻力系数下降，衰竭层厚度降低，采收率变化不大。
Air valve size and airflow resistance losses of valves always speed and the size of the spring-loaded edge.
气阀阻力损失大小与气流的阀隙速度及弹簧力大小有关。
Increases damage resistance and speed for the users and nearby allies.
提升使用者&附近友军伤害抗性&速度。
The paper describes the principle and ways of calculating running speed and running time of trains with resistance control braking by microcomputer.
本文阐述了应用微型计算机计算列车在施行电阻调速制动时，运行速度和运行时间的计算原理和方法。
Series resistance is an important factor confining the response speed of Schottky barrier diode.
串连电阻是制约肖特基二极管响应速度的一个关键因素。
A mutual model reference adaptive method for the rotor speed and stator resistance identification is proposed in this paper to implement a speed sensorless direct torque control of induction motors.
本文介绍了一种可互换模型参考自适应方法实现对电机转速和定子电阻的辨识，并将其应用于异步机的无速度传感器直接转矩控制中。
This paper presents a chopper adapting principle of rotor's resistance of induction motor, develops a two loops speed governing system, and gives computer simulation results.
本文提出了绕线式感应电机转子回路电阻的斩波调节原理，设计了双环调速系统，并进行了计算机辅助设计和仿真研究。
By adjusting the starch milk concentration, temperature and drum speed to adjust the product capability of resistance to shear stress, the drying process of aging and viscosity.
通过调节淀乳浓度、滚筒温度及转速来调整产品承受剪切力的能力、干燥过程中的老化及粘度等性能。
The driver should use the engine to advance the traction resistance to reduce the speed, slow progress, and try to avoid the pursuit of the steering and brakes.
驾驶员应提前利用发动机牵引阻力作用来降低车速、缓慢前进，并尽量避免猛打方向和急刹车。
The first way to change your training is to move against the resistance in your exercise focusing on speed of movement while still maintaining perfect technique.
第一种改变你训练的方法，是在练习中对着阻力移动，关注你运动的速度，并保持完美的技术。 （应该是增加阻力的意思）。
Torque dampers utilize the principle of fluid resistance to reduce the speed of moving parts and create a smooth and soft movement.
旋转减震器利用流体阻力原理，减小运动部件的速度，使运动更加顺上、柔和。
Test condition, carriage speed, and resistance measurements are described.
介绍了试验状况、拖车速度和阻力测量设备。
New rib and lug type pattem ensures an excellent compositive performances , liwer rolling resistance, high - speed riding ability, heat - resistance, wearability .
纵横混合花纹具备优越的综合性能，滚动阴力低，行驶速度快，优良的耐热和耐磨耗性能， 有很高的经济实用性。
These factors, which include slurrys preparation, circulation, depuration and so on, would influence drilling speed, bore quality, exertion of pile shaft resistance and base resistance.
泥浆制备、循环、净化等因素的好坏直接影响到钻进速度和成孔质量、桩侧摩阻力及桩端阻力的发挥。
This paper presents a novel full-order adaptive state observer. An adaptive identification scheme based on the observer for speed and stator resistance is proposed.
建立了一种新型的全阶自适应状态观测器，提出了基于观测器的速度和定子电阻辨识方案。
A coasting performance test is simulated on a chassis dynamometer, the transmission resistance, rolling resistance of wheels and their speed factors are measured.
利用底盘测功机模拟道路滑行试验，测定出汽车的传动系阻力、轮胎滚动阻力及它们的速度影响系数。
Remember, the higher the speed, the greater the resistance.
要记住，速度越快，阻力越大。
Resistance simulation control electricity eddy current system, make the revolving speed and braking moment relation accord with the condition of correspond speed and resistance relation.
阻力模拟则是控制电涡流测功机，使其转速与制动力矩间的关系符合相应状况下的车速、阻力关系。
G different speed in the turbine, generator rotor measuring resistance around the insulation resistance and AC impedance, power consumption.
g在汽轮机不同转速时，测量发电机转子绕阻的绝缘电阻及交流阻抗，功率消耗。
Increasing the corrosion potential of the matrix not only reduces the inter-phase corrosion speed but also raises the corrosion resistance of white cast iron.
提高基体的腐蚀电位，不仅可以降低相间腐蚀速度，而且可以大幅度提高铬系白口铸铁的耐蚀性。
Increasing the corrosion potential of the matrix not only reduces the inter-phase corrosion speed but also raises the corrosion resistance of white cast iron.
提高基体的腐蚀电位，不仅可以降低相间腐蚀速度，而且可以大幅度提高铬系白口铸铁的耐蚀性。
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