它们经历温度变化时会像电池一样工作:给它们接上电极,它们就会产生电流。
These act like batteries when they undergo a temperature change: attach electrodes to them and they generate a current.
扫描隧道显微镜(STM)的工作方式是把电压加到显微镜探头尖端与被扫描物体这两端,然后检测电流变化。
Scanning tunneling microscope (STM) work by the voltage added to the microscope probe tip and the ends of the scanned object and then detect current changes.
关于LED的重要信息:LED是被用来工作在非常小的电压(大约2伏)和电流环境下的。
Important information about LED's: LED's are designed to work at very low voltages (~ 2v) and low currents.
工作原理:电流穿过液晶产生图像,这个过程可以避免屏幕烧屏(等离子体电视就有这个问题),也减少热量排放。
What they are: Images are created when electricity passes through liquid crystals, a process that prevents screen burn (a problem with plasmas) and also reduces waste heat.
这种装置能将100分贝左右的声音转换成轻微的电流,100分贝相当于嘈杂的车流、一辆疾驰的火车或者附近剪草机工作时发出的噪音。
The device can convert sounds of around 100 decibels -the equivalent of noisy traffic, a passing train or a nearby lawnmower -into a mild electrical current.
但是有一个故障:电流超限,电源板无法工作,造成饥饿的食客瞬间恐慌。
But there's a hitch: the electrical circuit has overloaded, and the power strip isn't working, causing momentary panic among the hungry diners.
5个纳米发电机同时工作可以产生1微安培3伏特的输出电流,与2节普通的5号电池所产生的电压差不多。
Five nanogenerators working together produced about 1 micro ampere output current at 3 volts about the same voltage generated by two regular AA batteries.
所以任何电流都会引起纤维振动,这时纤维就可以像麦克风或者话筒一样工作,当然这也取决于振动是否被记录或者放大。
So any electric current will then cause the fibers to vibrate. The fibers could act as a microphone or a speaker, depending on whether the vibrations were being recorded or amplified.
扫描隧道显微镜(STM)的工作方式是把电压加到显微镜探头尖端与被扫描物体这两端,然后检测电流变化。
An STM works by applying a voltage between the microscope's tip and the material it is scanning, and then monitoring the change in current.
范德梅尔先生的第一项工作就是测试向研究所的加速器提供电流的整流器。
Mr van der Meer’s first job was to tinker with the power converters that delivered electricity to the institute’s accelerators.
YH电缆是在低电压(最高电压为200v)大电流的条件下工作,要求具有一定耐性。
YH cable is working at low voltage (maximum voltage of 200v) under high current conditions, requiring a certain degree of tolerance.
利用DT3配置的电流检测模块,红外加热片的日常维护检测极为方便,提高了工作效率。
Using the current detection module of DT3, the daily maintenance and detection of infrared heating plate is very convenient, work efficiency improves.
电镀工作条件是指电镀时的操作变化因素,包括:电流密度、温度、搅拌和电源的波形等。
Electroplating working conditions is to point to the operation of the when electroplating changes factors, including: current density, temperature, mixing and power of the wave, etc.
本文介绍LEM电流传感器的结构,工作原理及其在弧焊逆变器研究中的应用。
This paper introduces the structure and working principle of LEM current sensors and their application in the development of inverters for arc welding.
由电孤启动到正常工作这段时间,电网线路的电流电压波动性较大,往往给电路其它各元件造成强烈的冲击。
From starting-up to stabilization of the arc, the electric current and voltage usually fluctuate acutely, which makes a great impact on other circuit components.
由于要测量的电流非常弱,所以用光电倍增管测量光的应用工作通常需要使用皮安计。
Applications such as measuring light with a photomultiplier tube generally require the use of a picoammeter due to the low current levels involved.
在另一些情况下,漏电可以用给定电压(通常为工作电压)下的泄漏电流来表示。
In other cases, leakage may be expressed as a leakage current at a given voltage, usually the operating voltage.
但是,纳米天线内的电流的频率高达每秒万亿次,这超出了现有整流器的工作范围。
However, the current in the nanoantennae oscillates at a rate of trillions of cycles a second, which is beyond the range of existing rectifiers.
阴极的温度是影响大电流辉光放电稳定工作的重要因素。
Cathode temperature is one of the most important factors influencing the stability of high current glow discharge.
图4 -16示出6485型皮安计从离子收集电极测量电流的情况,这时仪器工作在地电位。
Figure 4-16 shows a Model 6485 Picoammeter measuring the current from the ion collector, which is operating at ground potential.
注意,如果电流极性接反,会使伺服驱动器不能工作。
Attention, if current polarity inverse connected, will lead to servo drive out of service.
论述了PWM电路、电流显示电路、程序时间调节控制电路等的工作原理。
The operating principle of its PWM circuit, current display circuit and sequence timer circuit etc. are described.
本文介绍了CS5460 A芯片的特点、工作原理及其在高精度工频电压、电流、功率、功率因数、频率表中的应用。
The paper introduces the technique feature and the operation principle of chip CS5460A, and its application in high-accuracy power frequency voltage, current, power, power factor, frequency meter.
基于T型滤波器的调光方法,能在很窄的工作频率范围内实现深度调光,同时具有灯电流波峰因数低的优点。
Based on T type filter, the new ballast can achieve a wide dimming range with a very narrow frequency variation range, and it can operate with low lamp current crest factor.
在其它情况下,漏泄可能被表示为特定电压(通常为工作电压)下的漏泄电流。
In other cases, the leakage may be expressed as a leakage current at a given voltage, usually the operating voltage.
叙述了高阻差动继电器用电流互感器的用途、工作原理和主要要求。
The uses, operating principle and main requirements of the current transformer for differential relay with high impedance were described.
完成电路连接之后,接通偏置电压,在没有离子束电流的情况下进行电流测量,以验证系统能够正常工作。
After the connections are made, verify the system is working properly by turning the bias voltage on and taking a current measurement with no ion beam current.
本文中对于平均电流模式控制的工作原理和具体实现进行了深入分析。
The principle and implementation of the average current mode control was deeply analyzed in this thesis.
在先接通电源,控制面板上的电流表显示为8安- 10安,将机器预热3分钟左右,即可正常工作。
Earlier power, current meter on the control panel display is 8 -10 an an, preheat the machine about 3 minutes, you can work.
在先接通电源,控制面板上的电流表显示为8安- 10安,将机器预热3分钟左右,即可正常工作。
Earlier power, current meter on the control panel display is 8 -10 an an, preheat the machine about 3 minutes, you can work.
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