电压

The negative feedback method of reference light stabilized the gleamy intension of lamp-house,and thus eliminated excursion and improved measure precision.

基于光电转换原理，采用分光技术产生正比于被测细丝直径的差动电压，将差动电压放大并测量即可测出细丝直径；采用参考光负反馈法稳定光源的发光强度，从而消除漂移，提高测量精度。

Notably, compounds 12–14 can be described as a 3D open–framework with nano–channels, compound 15 can be described as a 3D open–framework with double helical channels, while compound 16 can be described as a 3D heterochiral coordination polymer with double helical channels, which can be obtained by spontaneous resolution from the racemic phosphonic acid.X–ray powder diffraction analysis shows that compound 16 is a pure phase. Surface photovoltage spectroscopy of compound 16 indicates that it possesses positive SPV response in the range of 300–600 nm and shows p–type semiconductor characteristic.

值得注意的是，化合物12-14为具有一维纳米孔道结构的三维开放骨架结构，化合物15是具有双螺旋孔道的三维开放骨架结构，而化合物16是外消旋的有机膦酸配体通过自发拆分而形成的具有双螺旋孔道的多手性三维开放骨架结构。X-射线粉末衍射分析表明化合物16为纯相；化合物16的表面光电压光谱分析中，在300-600nm范围内有3个正的光(来源：ABC论文12网www.abclunwen.com)伏响应带，表明它具有p型半导体的特征；化合物16的诱导表面光电压谱进一步确定它的p型半导体的特征；磁性研究表明，化合物16中两Mn原子之间存在弱的反铁磁相互作用。

An experiment on DC arc plasma ignitor which was made by ourselves was carried on to research jet characteristic, in which the influence of voltage was excluded by keeping the DC output voltage of plasma power at 24V.

对自行设计的直流电弧等离子体点火器进行射流特性实验，其中等离子体电源直流输出电压保持24V不变，排除电压的影响。

Record data include generator voltage UG1,UG2, auto setting value UGREF,manual setting value IFREF, trigger angle ARF, active power P, reactive power Q, rotor voltage Ufd, field current Ifd, generator frequency F0, local cabinet output current ILA, other cabinet output current ILB.

记录的数据包括发电机电压UG1，UG2，自动给定值UGREF，手动给定值IFREF，触发角 ARF，有功功率P，无功功率Q，转子电压Ufd，励磁电流 Ifd，发电机频率F0，本柜输出电流ILA，它柜输出电流ILB。

Based on the rated voltage that the normally working load needs, this paper discusses that the load current is restricted by controlling the secondary current of series transformer so as to meet the invariableness of the rated voltage.

在负载正常工作时所需的额定电压的基础上，该文讨论通过控制串联变压器二次侧工作电流来约束负载电流，从而使负载电压恒定。

In this paper, the generator model of constant transient voltage and the invariableness impedance model was used, and the saliency of generator is included; through the analysis of the characteristic of the network equation calculation in the transient stability analysis, a new node ordering algorithm is proposed. Better initial value can accelerate the convergence rate of the networking equations, reduce the number of iterations, thus to cut down the amount of calculating time.

本文首先建立了适合于暂态稳定分析的简单模型，其中发电机采用E_q恒定模型，考虑了发电机的暂态凸极效应，负荷采用恒定阻抗模型；研究了电力系统的暂态稳定分析方法，指出目前数值积分暂态稳定计算方法中存在的不足，主要是网络方程的求解速度过慢；分析了暂态稳定计算中网络方程的特点，将稀疏技术应用于网络方程的求解，提出了一种新的节点编号方法——最小度最小有源节点道路集算法，减少了网络方程的计算量；在进行交替迭代求解时，将预测算法应用于每一积分步网络方程功角和电压的初值估计当中，应用自回归算法和广义延拓算法，期望给出一个更有效的电压和功角初值方案，来加快方程的收敛过程，减少方程迭代的次数，以提高计算速度。

Aiming at ceaseless development of computer technique,it introduces the approach of thunder s intruding computery across voltage,bring forward the preventing measures of thunder s intruding computery across voltage,at the same time discuss the character of mutual earthing system,to give some help in the lightningproof work of computery.

针对计算机技术的不断发展，介绍了雷电过电压侵入计算机系统的途径，提出了由线路进入系统过电压的防护措施，同时探讨了共用接地系统的特点，以帮助人们做好计算机系统的防雷工作。

A、 The voltage's fluctuating can't be over ±10% than the rated voltage, otherwise had to install manostat.

电压波动不得超过额定电压的±10%，否则要安装稳压器。

Additionally the manostat 7805 give the battery charge up after keep the voltage.charger can real time collect the voltage and the current in the charge up,and count the electrification parameter and spare electrification time.

在电源回路中，把日常民用的220v电压经过变压器变压到12v左右，再经整流滤波电路变为14v，作为max846a的充电电源的电压，另经稳压器7805稳压后给电池充电。

Since the turbine generator stator windings are usually with single-turn coils, the properties of the steep-fronted surge propagation are different from that in the motor windings which are usually with multiturn coils.

由开关动作引起的陡前沿冲击电压波严重威胁电机绕组的绝缘安全，开展陡前沿冲击电压沿电机绕组分布的研究对指导绕组绝缘设计和电机安全运行具有重要意义。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。