超电压

It was found, several products with different molecular weight can be separated from a rough dextran and UF process was enhanced observably by an electric field. There is an optimal voltage corresponded to different concentrations. Based on mass balance, gradational UF can be used as a simple and effective method for biomacromolecular analysis.

实验结果表明，分级超滤法能从单一的粗品中分离出分子量范围不同的多个产品；外加电场对超滤过程有较明显的强化作用，不同浓度的料液存在其对应的最佳外加电压；基于质量衡算的分级超滤可以作为生物大分子物质的一种简便而且有效的分析手段。

The relationship between the cell voltages and gravity coefficient was studied. The results indicated that, the gas evolution reactions were intensified by super gravity and gas product was easier to spillover from solution. Th...

结果表明，超重力能够强化析氢反应和析氯反应的进行；相对于常重力条件，气泡更容易从电解液中溢出，溶液电阻随重力系数增加而降低；氯碱电解槽电压也随重力系数的增加而降低，并且电流密度越大，槽电压降低的程度越大。

J. Proepster is one of the leading manufacturers of lightning protection, grounding and overvoltage protection materials.

J。 Proepster有限公司是为闪电保护、着陆和超电压保护用的材料的制造商的指南当中之一。

Buck and Boost topology switching power conversion circuits as the core of this system, ultra low power MSP430F1222 microcontroller-based controller, microcontroller produced by the PWM pulse width modulation signals, respectively, two-way control switch voltage conversion circuit the turn-on and turn-off in order to achieve the above two kinds of topology switching power conversion circuit, and then to draw power from the flow of electrical energy has been filled into the rechargeable battery, and using microcontroller A / D input voltage implementation of the monitoring, according to the input voltage switching buck - circuit at a lower cost to achieve a highly efficient energy transfer, and the circuit is simple, the parameter to determine easy, self-low power consumption,to achieve full-featured.

本系统以Buck降压和Boost升压拓扑结构开关电源变换电路为核心，以超低功耗单片机MSP430F1222为主控器，由单片机产生PWM脉宽调制信号，分别控制两路电压变换电路中开关管的导通与关断从而实现以上两种拓扑结构开关电源变换电路，进而从一直流电源中吸取电能充入可充电电池，并利用单片机A/D对输入电压实施监测，根据输入电压切换升降压电路，以较低的成本实现了高效率的电能转移，并且电路简单、参数确定容易，自身功耗低，实现功能完整。

Undershoot refers to the amount by which voltage or frequency drops below the nominal value as the voltage regulator or governor responds to changes in load.

下超调 ：下超调指电压调整器或控制器在应对负荷变化时，电压或频率低于额定的量。

Ultra-temperature, ultra-current, ultra-voltage, super-speed; low oil pressure, low-voltage automatic protection system.

超水温、超电流、超电压、超转速；低油压、低电压自动保护系统。

The test shall be carried out at the power output of the apparatus corresponding to 10% overvoltage with any declared minustolerance on the ohmic resistance.

对于任何标明有负偏差的热电阻，测试应该在相对于10%超电压的设备输出功率下进行。

The test shall be carried out at the power output of the apparatus corresponding to 10% overvoltage with any declared minustolerance on the ohmic resistance.

这个测试应该在仪器的指定能量输出上完成。该仪器的能量输出等同于欧姆电阻上任何已声明的负公差的10%超电压

Ultrasonic series: low-voltage ultrasonic Micro- sprayer, Humidification machine, Precise oil fragrant machine, Ultrasonic Contact Lens Cleaner ,Ultrasonic generator ,Ultrasonic transducer , Ultrasonic cleaning machine ,Bolt clamped Langevin transducer , Piezo-ceramic ,Portable ultrasonic sound pressure meter ,Ultrasonic cutter machine , Ultrasonic two frequency cleaning machine.

超音波系列：中华民国专利低电压超音波微雾器，超音波大雾量雾化器，水氧机，芬多精活氧吧，超音波振动子，切割刀，音压计，超音波双频清洗机，超音波高频清洗机，隐形眼镜专用超音波清洗机，高性能发振机，自动化溶剂型高洁净度清洗机。

Against the models established, the equivalence of DC voltage, OWV and VLF voltage to AC voltage has been widely investigated. It is found that the equivalence factor of OWV is between 1.2 and 1.8, that means OWV has a good equivalence to AC voltage.

针对建立的试验模型，讨论了直流电压、振荡波电压、超低频(0.1Hz)电压与交流电压的等效性，发现振荡波电压的等效系数在1.2-1.8之间，与交流电压等效性较好。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。