静电计

When a charged object is placed within the inside electrode, an induced charge will flow into the electrometer.

当带电物体放到内电极里面的时候，就有感生电荷流过静电计。

Electrometers are known for their low input bias current, which is usually a few femtoamps.

静电计以低输入偏置电流而闻名，其输入偏置电流通常在几个飞安。

Because of the high input resistance and low offset current, the electrometer voltmeter has minimal effect on the circuit being measured.

由于具有高输入电阻和低偏置电流，静电计电压表对被测电路的影响极小。

With its extremely low input offset current and minimal input voltage burden, it can detect currents as low as 1fA (10-15A).

基于极低的输入偏置电流和输入端压降，静电计能够检测低至1fA（10-15A）的电流。

Charge measurements made with an electrometer are subject to a number of error sources, including input offset current, voltage burden, generated currents, and low source impedance.

用静电计进行电荷测量时容易受到几种误差源的影响，其中包括：输入偏置电流、输入端压降、产生电流和低的源阻抗等。

While the most important characteristics of the electrometer voltmeter operational amplifier are low input offset current and high input impedance, the most important requirement for the nanovoltmeter input preamplifier is low input noise voltage.

静电计电压表使用的运算放大器，最重要的特性是低输入偏置电流和高输入阻抗。纳伏表输入前置放大器的最重要的要求，则是低输入噪声电压。

As an ammeter, the electrometer is capable of measuring extremely low currents, limited only by theoretical limits or by the instrument's input offset current. It also has a much lower voltage burden than conventional DMMs.

做为安培计，静电计能够测量仅由理论极限值或仪器的输入偏置电流所限制的微弱电流，而且其输入端压降比普通的数字多用表要低的多。

An electrometer preamplifier is used at the input to increase sensitivity and raise input resistance.

在其输入端采用一个静电计前置放大器以提高灵敏度并提高输入电阻。

This can be done by placing the object in a Faraday cup and measuring the charge with an electrometer.

可以把物体放在法拉第杯中，用静电计测量其电荷。

The most effective method of minimizing input capacitance is to connect the electrometer, SMU, or picoammeter to the signal source with a shielded cable that is as short as possible.

减小输入电容最有效的方法是用尽可能短的屏蔽电缆将静电计、SMU或皮安计与信号源连接起来。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。