极性

The figure of the digital voltage meter used as a control 89S52 core single chip to achieve the range of hardware automatically switch circuit, and LED display by measuring the voltage, the comparator input voltage polarity detection; reasonable configuration of the system, simple structure,Capable of measuring 0 volts to 200 volts plus or minus voltage, fully meet the requirements of the design.

该数字该数字电压表采用89S52单片机作为控制核心，以硬件电路实现量程自动切换，并用LED显示被测量的电压，采用比较器检测输入电压的极性；该系统配置合理，结构简单，能够测量0伏到正负2000伏的电压，完全满足本设计的要求。

The figure of the digital voltage meter used as a control 89C51 single-chip core, hardware-range automatic switching circuit, and LED display by measuring the voltage, the comparator input voltage polarity detection; reasonable configuration of the system, simple structure, can measuring 0 volts to 200 volts plus or minus voltage, fully meet the requirements of the design.

该数字该数字电压表采用89C51单片机作为控制核心，以硬件电路实现量程自动切换，并用LED显示被测量的电压，采用比较器检测输入电压的极性；该系统配置合理，结构简单，能够测量0伏到正负200伏的电压，完全满足本设计的要求。

In this diagram, a voltmeter with a separate bipolar current source is used.

在该图中，使用了一个电压表和一个分离的双极性电流源。

If the voltage polarities are in opposition, the voltmeter reading will be

如果这两个电压的极性相反，那么电压表的读数就为

Using microwave radiation to assist vulcanization could accelerate the shaping of vulcanizate; besides, the vulcanization effect was better.

用微波辐射辅助硫化使硫化胶成型速度加快，而且硫化效果较好，对于有极性的橡胶进行微波硫化效果尤佳。

When using full wave train logging data to make C wave synthetic seismogram,it needs to consider the influence of many kinds of factors such as dip and anisotropy of bed as well as environment correction of S wave logging data etc.

采用全波列测井资料制作转换波人工合成地震记录，需要考虑地层倾角、岩层各向异性、横波测井资料的环境校正等多种因素的影响；在纵、横波资料对比中，又需要考虑极性、井资料的深时转换、子波带宽等的影响。

Do you know what AC and DC signify on your welder and electrodes?

你知道交流和直流对你的焊机和极性意味着什么吗？

Check the polarity of the stator windings and connections.

检查定子绕组的极性及其连接应正确。

In the field of visible photosensitive resin, the absorption spectrum, excited state, solvent polarity effect, fluorescence spectrum, fluorescence quenching, concentration effect, photo fading, reaction mechanism as well as photopolymerization kinetics of xanthene iodonium salts and cyanine dye-borate were discussed. It is found that under the radiation of visible light, intra-ion-pair electron transfer reactions occur in bis salt of fluorescein and unsymmetrical trimethine cyanines containing quinoline end group triphenyl-butylboron, and the fading rate is very high.

在可见光敏树脂部分，通过对呫吨染料碘鎓盐和菁染料-硼盐体系的吸收光谱性质、激发态性质、溶剂极性效应、荧光光谱、荧光猝灭、浓度效应、光褪色反应、光聚合动力学等的研究，结果发现：荧光黄双二苯基碘鎓盐体系和含喹啉环端基不对称三甲川菁染料-三苯基丁基硼盐体系在可见光作用下均发生离子对内电子转移反应，且光褪色反应速率很高。

Abasic review on dielectric nonlinearity and electric tunable mechanism wasperformed in view of thermodynamics, ferroelectric domain, polar nanoregion,field induced phase transition, grain boundary layer and AC dielectricnonlinearity. The dielectric nonlinearity phenomena in barium stannate titanateceramics were studied and the field dependences of dielectric constant and losstangent were showed.

关于低温介电弛豫行为与极性微区关系的讨论涉及到了弛豫铁电体与扩散相变铁电体之间的相容关系，作者认为所有的扩散相变铁电体都应该是弛豫铁电体或潜在的弛豫铁电体，它们的区别仅在于能够观测到介电弛豫现象的测试频率范围不同。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新