电压变化

电压变化对陀螺定向的影响研究

A Study on Effect of Change of Voltage on Gyro - orientation

为了研究电晕放电辐射场若干特性，首先进行了电晕放电时电晕电流的理论分析，研究了电晕电流的波形随电压变化情况。

In order to study the characteristics of fields radiated from corona discharge , firstly , the corona current is analysed theoretically , and the current waveform along with the change of voltage is studied .

总剂量辐照前后CMOS器件阈电压变化的统计分析

Statistical analysis of threshold voltage changes of CMOS devices before and after total dose irradiation

降低变频器输出电压变化率的LC滤波器设计

LC Filter Design for Reducing the Changing Rate of the Inverter Output Voltage

所设计的脉冲调制鉴频器在-20～70°C温度范围内鉴频输出电压变化小于5%。

The pulse modulated discriminator has an output voltage variation less than 5 % in the temperature range from - 20 ° C to 70 (° C. )

结果：含铅防护材料的铅当量随X射线峰值管电压变化不大；非含铅防护材料的铅当量随X射线峰值管电压变化较大。

Conclusions : The kVp on X-ray tube should be indicated whenever specification of the lead equivalent for protective materials is described .

结果在相同的毫米波辐射条件下，不同浓度组K562细胞膜电压变化不一样。

Results Under the same irradiation conditions , the transmembrane voltage varies at different cell densities .

用存储示波器记录pn结两端开路状态下的电压变化。

The decay of the photo-generated voltage on a pn junction has been recorded by a storage oscilloscope .

指出在K值相同时，风电场引起的电压变化还与电网阻抗角和风电场功率因数有关。

The simulation demonstrates that even though K value is same , the power grid impedance angle and wind farm power factor may also affect the voltage variation which is caused by wind farm .

目的研究毫米波辐射过程中细胞浓度对K562悬液细胞膜电压变化的影响。

Objective To study the influence of the cell density on the variation of the transmembrane voltage on the cells in suspensions exposed to millimeter waves .

借助快速升温过程中Pt金属丝的控制电压变化曲线得到剧烈放热峰的诱导出现时间tx，利用tx值计算得到了快速热分解过程的动力学参数。

The kinetics of the exothermic decomposition reaction was determined by the time-to-exotherm ( tx ) value derived from the control voltage traces of the Pt filament .

它采用根据输入电压变化而动态确定功率开关的导通和关断的方法，从原理上解决了开关电容DC－DC变换器的输入电压动态范围与变换器效率之间的矛盾。

In this technique , the power switch is turned on and off according to the dynamic changes in the input voltage , thus solving the conflicts between the dynamic range of the input voltage of the converter and its efficiency .

微波箱中电压变化，对PVC泡沫的影响没规律性，但有最佳值（6.0kV）；同时，电压增加，泡沫明显变黄；

The effects of changes of voltage of microwave box on PVC foam was irregular , but there was an optimum value ( 6.0 kV ), and with the increase of voltage , the foam turned yellow obviously ;

BS与TG、心电图ST段电压变化、冠状动脉病变支数及病变斑块数呈正相关，与HDL－C、EF呈负相关。

The level of BS was positively correlated with TG , change of ST segment electric tension , lesion number of coronary artery and number of atherosclerosis plaques , and it was negatively correlated with HDL-C EF .

两级放大器中主放大器运用标准的折叠式共源共栅结构，决定了电路的主要性能参数；第二级使用带有AB类输出的快速放大器，用来监控LDO的输出电压变化，以快速响应此变化。

The main amplifier which uses the standard folding cascode structure determines the main properties of the circuit . And the second stage using fast amplifier monitors the variation of the LDO output voltage .

然而PEMFC在电气输出特性上存在的电压变化范围较大，输出特性较软，对负载突变响应明显滞后等不足之处，阻碍了PEMFC迈向商业化的步伐。

However , the disadvantages of PEMFC such as large voltage variation range , soft output characteristic , and obvious time-delay impact on its response to load sudden change are the main barriers to its commercialization .

同时在实验上观察到与数值计算相一致的MILO工作主频不随输入电压变化的结果以及实验上证实MILO有明显的起始工作电压。

That the operating frequency remains unchanged with input voltage is proved numerically and experimentally . Experiments also show that a start voltage is need for MILO to work .

通过求解泊松方程，从沟道长度调制效应、阈值电压变化及源极同沟道间的势垒变化三个方面详细分析了短沟道MOSFET的器件特性。

Through solving possion equation , the characteristics of short-channel MOSFET device is analyzed in details in the following three aspects : the effect of channel length modulation , the change of threshold voltage and potential barrier decrease between source and channel .

通过对所得到的曲线进行比较、分析，发现了两种不同外界刺激下大脑电参数变化所引起的EIT电压变化的规律，为进一步实现EIT图像重构，分析大脑的活动规律奠定基础。

Through comparison and analysis , the rule of EIT voltage changes of human brain due to two different stimuli is revealed and the result helps to analyse the activity of brain and to reconstruct the EIT image .

介绍了EEPROM的电学模型，模拟分析了阈值电压变化与写入时间、写入电压、隧道孔面积、浮栅面积的关系。

In order to evaluate the process parameters of two-polysilicon FLOTOX EEPROM , the electrical model of EEPROM is introduced . The relation between threshold voltage and writing time , programming voltage , tunnel area and floating area is simulated .

特别在寿命特性方面，着重阐述了电池组在模拟GEO，79%DOD下40个阴影期间最大放电深度时终止电压变化特性，电池组容量变化以及第3阴影期和第36阴影期放电终止电压变化情况。

Especially in life performance respect it emphasizes the EOD potential characteristic in simulated GEO , 79 % DOD and the maximum DOD of 40 eclipse season s , the capacity change and the EOD potential change of the 3rd and 36th eclipse season of the batteries .

该方法根据电荷陷落的动态平衡方程，测量恒流应力下MOS电容的栅电压变化曲线和应力前后的高频C-V曲线变化求解陷阱密度。

Based on dynamic equilibrium equation in the process of trapped charges , the method can obtain the trap density by measuring the change of gate voltage of MOS capacitance under constant current stress and the change of high frequency C V curve before and after the stress .

在多种运行方式下（包括南北通道5线N&1检修，500kV兰双输变电设备故障后，220kV电网南北通道各线路的潮流分布和线路重过载情况以及各地区电压变化情况）；

The power flows of 220 kV north south lines and their overloads and the voltage variations in south Zhejiang grid under different operating modes ( including the N-1 overhaul mode of 5 north south lines ) after the fault of 500 kV equipnment ;

概述了其工作原理及负载电压变化。

Its working principle and load voltage variation are all presented .

电弧电压变化量分析熔滴过渡特征的研究

Study on analyzing droplet transfer characterization by arc voltage fluctuation value

当输出电压变化时，再对其进行限制。

When output voltage change , we should limit it .

电桥电路将传感器的电阻变化量转换为电压变化量。

Resistance variation is converted into voltage variation by Wheatstone bridge circuit .

电压变化对变压器励磁阻抗的影响

Research on Influences of Voltage Variation on Excitation Impedance of Power Transformer

变压器电压变化率的极值分析

On Extreme Value of Voltage Regulation of a Transformer

供电电压变化对永磁同步电动机性能的影响

The effect of supply voltage on performance of the permanent magnet sychronous motors