观察了所加电压极性对TDDB的影响。
The effect of polarity of the applied voltage on TDDB was investigated.
在较宽范围的电压电平和正负电压极性上进行了空气放电。
The air discharges occurred at wide-broad voltage levels and positive and negative polarities.
反向极性保护防止了一对电源电压极性反转传感器的破坏。
The reverse polarity protection prevents destruction of the sensor by a reversal of the polarity of the voltage supply.
研究了外施直流电压极性、幅值、作用时间和外界气象条件对表面电荷积聚的影响。
A research on the effects of amplitude, polarity and the stressed duration of the applied voltage on the surface charge accumulation is carried out.
论文研究了一种基于电压极性相关EWOD的单平面电极阵列结构的数字微流控器件。
Based on voltage-polarity-related EWOD phenomenon, a novel single-side coplanar electrodes array digital microfluidics is designed and fabricated.
该线电压极性检测电路检测线电压的 极性且控制该驱动电路以导通或截止该栅控晶体管。
The line voltage polarity detection circuit detects the polarity of line voltage and controls the drive circuit to conduct or cut off the gate-controlled transistor.
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。
The effect of electrostatic force of the drive voltage on the accelerometer had been researched when the bias voltage polarity is positive-negative configuration.
图2 - 1 (a)给出了共发射极取向的晶体管的物理特性，同时也给出了硅器件的电压极性和大小。
Figure 2-1 (a) shows the physical representation of the BJT in its common-emitter orientation, and also shows typical voltage polarities and magnitudes for the case of a silicon device.
根据电压源的极性，互相并联的两个二极管(D)中的一个用来减小噪声，而另一个二极管则提供放电通路。
Depending on the polarity of the voltage source, one of the two diodes (d) in parallel is used to reduce noise while the other provides a discharge path.
本节详细介绍如何使用这些测试夹具来进行表面电阻率和体电阻率的测量，以及测量电阻率时使用的变换极性和变换电压的技术。
This section details how to make surface and volume resistivity measurements with these test fixtures, as well as the Alternating Polarity and Alternating Voltage techniques for measuring resistivity.
这两个电压的相对极性决定了偏置电压是加到源电压上去还是从源电压中减去。
The relative polarities of the two voltages will determine whether the offset voltage adds to or subtracts from the source voltage.
外拖冲击电压的极性与绝缘子表面电荷极性是否相同会影响绝缘子的电晕起始时刻、由流注向先导的转变时间间隔和流注电晕电流。
The polarity of impulse voltage and the polarity of insulator surface electric charge can affect the corona initial time of insulator, the change time - interval and the corona current.
根据电压源的极性，互相并联的两个二极管中的一个用来减小噪声，而另一个二极管则提供放电通路。
Depending on the polarity of the voltage source, one of the two diodes in parallel is used to reduce noise while the other provides a discharge path.
该静态定位器，是一种非接触的产品，用于检测静电场励磁电压和极性表面。
This Static Locator is a non-contact meter that indicates electrostatic field voltage and polarity on charged surfaces.
同时，为了能够支持点反转和列反转两种面板驱动方式，本数据驱动电路的奇数和偶数输出管脚分别输出极性不同的灰度电压。
Also, to be able to deal with dot-line inversion, this source driver's odd output pins and even output pins respectively output gray scale voltages of differing polarity.
往一种极性和非极性液晶混合物中添加3%的这些化合物，可以大大降低液晶混合物的阈值电压，而只引起粘度的小量增加。
Adding 3% of these compounds to a polar and a nonpolar liquid crystal mixtures significantly reduces their threshold voltage while only causes a modest increase in viscosity.
主要用途：低电压整流，高频转换开关和极性保护。
Applications: Low Voltage, High Frequency Inverters, and Polarity Protection Applications.
计算了换流变压器阀侧绕组在极性反转试验电压下端部电场的分布情况，并对计算结果进行了分析。
The end electrical field distribution under polarity reverse test voltage of valve winding in converter transformer is calculated. The results are analyzed.
它可以根据正交输出型编码器信号的相位关系，输出具有正负极性的模拟电压信号。
The circuit can output analog voltage signals with positive and negative polarity according to the phase relation of encoder signals of orthogonal output type.
负极性电晕起晕电压先升高后降低，电晕特性变化很小。
The corona inception voltage produced by negative polarity increased at first and then decreased, and corona characteristic has little changes.
电池连接结束后，要对电池总的输出电压进行测试并记录，以防部分电池极性接反。
After connecting the battery to the battery of total output voltage test and records, in order to prevent some of the anti-access battery polarity.
文中分析了在极不均匀电场下间隙的击穿过程，并用试验研究了微细加工时电极极性对间隙击穿电压的影响。
The process of dielectric breakdown in uneven electric field is analyzed and the influence of electrode polarity on gap breakdown is researched.
为克服高频脉冲交流环节逆变器存在的电压过冲现象，本文提出和研究了单极性、双极性移相控制策略。
To overcome voltage stress existed in the inverter with high frequency AC pulse link, single polarity and double polarities phase shifting control strategies were proposed and studied in this paper.
第二部分研究了在氩气作保护气体的情况下，用变极性TIG焊方法焊钢时，焊接电流、电压的变化情况和电弧形态的变化。
The second is, when steel is welded by means of VPTIG of argon, the changes in current, voltage and arc shape.
第三部分研究了在氦气作保护气体的情况下，用变极性TIG焊方法焊铝时，焊接电流、电弧电压的变化情况和电弧形态的变化。
The third is, when Al is welded by means of VPTIG method of helium, the changes in current, voltage and arc shape.
一种自动激光功率控制电路，包括：激光二极管封装件，电压调节单元和极性调节单元。
An automatic laser power control circuit comprises a laser diode package, a voltage adjusting unit and a polarity adjusting unit.
汽巴公司发明了用极性电压法控制连续重氮化过程中亚硝酸盐加入速度的探测系统，赫斯特公司发明了连续式偶合装置。
Ciba has developed a nitrite feed rate gauge system for controlling process of continuous diazotization by polar voltage method, and Hoechst has developed newly an equipment for continual coupling.
它由与输入控制电压同步的触发器控制四模拟开关阵列的开关转换来选择输出极性。
Its output polarity is determined by the four analog switch array controlled by an input-synchronized trigger.
一个正极性的直流电压加于该电极上。
A positive polarity dc voltage is applied to the electrodes.
针对电压源型空间矢量脉宽调制逆变器的死区效应，提出了一种根据电流矢量判断电流极性的死区补偿方法。
Aimed at dead time effect of voltage-fed space vector pulse width modulation (SVPWM) inverter, a novel compensation method detecting current polarities from the current vector was presented.
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