The working course and the voltage output formula of a kind of positive voltage regulator with LM317T are introduced.
介绍了三端稳压器LM 317t芯片的工作过程及其输出电压的计算公式。
Normally, reabsorption of the negative chloride ions promotes a lumen-positive voltage, driving paracellular positive calcium and magnesium absorption.
通常地，重吸收负性氯离子产生管腔内正电压，这可驱使细胞旁正性钙和镁吸收。
Thyristor inverter welding power source with single-conduction high current, high breakdown voltage, low positive voltage drop and the high over load etc.
晶闸管逆变弧焊电源具有单管导通电流大、耐压高、正向压降低、过载能力强等特点，但在使用过程中会出现各种故障。
When the microscope's sharp tip applied a positive voltage to the material's surface, it drew conducting lines that exist in the space between the oxide layers.
当显微镜的尖端把正电压施加到材料表面时，它就在氧化层之间的空白处画出了导线。
Similarly, in an ultracapacitor, when voltage is applied across the two metal plates (i.e. during charging), a charge still builds on the two electrodes—one positive, one negative.
同样，在超级电容中，当两块金属片被施以电压（即充电）后，电荷建立于两极，一极为正，一极为负。
When a voltage is applied, positive charge builds up on one electrode and negative charge on the other, creating an attractive force that squeezes the polymer.
加载电压时，正负电荷分别在两个电极上聚集，生成一股挤压聚合物的引力。
And I am able to vary the voltage on the plates making this for argument's sake negative and this for argument's sake positive.
我可以改变两个板子上的电压，为了论证，这个是负电，这个是正电。
Note the exponential decay in the current using both a positive and a negative test voltage.
注意在使用正、负测试电压时电流的指数衰减情况。
The results show that in SF6 there is obvious difference between the positive and negative onset voltage and the difference is increased by an increase of gas pressure.
在较大分子的气体（如SF_6）中，正、负电晕起始电压有明显差别，而且随着气体压强增加而增大。
The proposed method doesn't need hardware synchronization circuit and can perform the calculation of fundamental positive sequence component of the supply voltage in real time.
这种方法不需要硬件同步电路，能实时地计算电源电压中的基波正序分量。
Electrons are accelerated by making the voltage of each successive dynode of the tube more positive than the previous one.
使每个连续的光电倍增管电极的电压都比它前面一个电极的电压更高，这样电子就得到加速。
The effect of electrostatic force of the drive voltage on the accelerometer had been researched when the bias voltage polarity is positive-negative configuration.
前人在研究驱动信号对传感器的静电力效应时，用偏置电压极性为正—负配置的驱动信号进行研究。
Considering the imbalance of three phase voltages, a new arithmetic which verifies the generator paralleling based on the synthetic phasor of positive sequence fundamental voltage is proposed.
考虑到三相电压或多或少有些不平衡，提出了一种新的基于正序基波电压合成相量的发电机并网条件核算法。
Positive temperature coefficient (PTC) thermistor and triple frequency harmonic filter can reduce zero sequence voltage when a nonlinear resistance is used to prevent ferroresonance.
在非线性电阻消谐方式下，正温度系数(PTC)热敏电阻和三次谐波滤波器可以较好地解决零序电压偏高的问题。
When we use low-dropout switching power switching converter to reduce positive input voltage, we usually need an extra low - power negative output voltage.
在采用降压开关功率开关转换器降低正输入电压的同时，通常还需要一个额外的低功率负输出电压。
DIS has its own drawbacks by having half of the plugs firing with an acceptable negative voltage, while the other half is fired by the less acceptable positive polarity.
DIS有自身的缺点，由于有一半的插头接通一个可接受的负电压，而另一半接通不太能接受的正极。
A new method for the positive sequence voltage detection is presented.
提出一种电网电压正序分量的近似计算及实现方法。
A positive polarity dc voltage is applied to the electrodes.
一个正极性的直流电压加于该电极上。
The determinant method of feedback, such as positive feedback and negative feedback, voltage feedback and current feedback, series feedback and parallel feedback, etc.
本文对模拟电子技术课程中有关“反馈”的判别方法，诸如正、负反馈，电压、电流反馈以及串联、并联反馈等做了详细的分析比较。
A threshold voltage model of DMOS by radiation induced positive spatial charge is proposed.
提出了一种DMOS辐照正空间电荷阈值电压模型。
A series ac voltage regulator based on a new fundamental positive sequence calculation method, which is utilized to generate the compensation voltage reference, is introduced in this paper.
针对串联型交流电压调节器，提出了一种新的基波正序计算方法以获取补偿电压的参考信号。
In the in- active state, the breakdown voltage were higher than the single air in the same conditions under AC and positive DC voltage, but it was opposite under negative DC voltage.
放电间隙较大的静止状态下，直流电压正极性和交流电压下气固混合两相体的击穿电压都大于相同条件下单一空气的，而直流电压负极性时则相反。
The transformation of the instantaneous value symmetry component applied, the positive sequence space vector of fault component of the voltage and current can be derived.
应用瞬时值对称分量变换，可提取电压、电流故障分量的正序空间向量。
By resolving Poisson equation, the mathematical expression of the threshold voltage model of DMOS by radiation induced positive spatial charge is obtained.
求解泊松方程，由此给出dmos辐照正空间电荷阈值电压模型表示式。
The linearity correction circuit of positive feedback can make the output voltage be linear with the temperature, so the measurement accuracy of the system is improved.
采用新型薄膜铂温度传感器设计了多点温度检测系统，使用正反馈型线性校正电路使输出电压与温度成线性关系，从而提高了检测系统的测量准确度。
When the voltage applied to anode again becomes positive the gate will trigger the SCR on again.
当施加到阳极的电压再次变为正的栅极将再次触发可控硅上。
It conducts as long as the AC voltage remains in positive direction and the current is above its holding current level.
它进行，只要在交流电压保持在正方向和电流高于其保持电流电平。
The effects of positive and negative voltage on phase constitution of ceramic coating on aluminum alloy prepared by micro-arc oxidation were studied by XRD analysis.
通过XRD分析，研究了正向、负向电压对铝合金微弧氧化陶瓷层相组成的影响。
It was obtained through experiment and simulation that positive DC corona inception voltage and corona ion current under different air pressure and humidity conditions.
文中通过实验测量和模拟计算，得到了不同气压湿度下的正直流电晕起始电压和电晕离子电流。
This permits the SCR to control only half of the AC positive wave; half voltage is applied to the load when the SCR initially fires.
这使得SCR来控制交流正波的一半，另一半的电压施加到在SCR初始触发该负载。
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