伏

Solar rays are generally of lower energy, below 20 MeV (which is still high energy in earth terms).

太阳射线基本上有着较低的能量，在20兆电子伏以下。

Then, the two main 58,000 microFarad 80 volt electrolytic filter capacitors are replaced by two new 68,000 microFarad 100 volt filter capacitors.

然后，两个主要58，000微法拉的80伏的电解滤波电容器是由两个新的68，000取代法拉100伏特的滤波电容器。

A design of microvolt signal online monitoring system based on 32-bit ARM chip S3C44BOX is introduced in this paper.

本文介绍了基于32位ARM芯片S3C44BOX的微伏信号在线监测系统设计。

Because of the low test current level used, a very sensitive voltmeter is required to measure the voltage drop, which is usually in the microvolt range.

由于所使用的测试电流很低，所以就需要非常灵敏的电压表来测量这种通常在微伏范围的电压降。

Spurious microvolt level signals are often present in low resistance circuits, most often as a result of thermoelectric effects.

在低阻电路上往往会出现毫伏级的杂散信号，大多数是由于热电效应引起的。

In this system , microvolt amplifying circuit module and isolation amplifying circuit module is used in external circuit, improving exactitude of plasma diagnosed, and overcoming separate disturbance effectively .

该系统的外围接口电路采用微伏放大模块和隔离放大模块，提高了信号采集的精度，并有效克服了各种干扰。

BACKGROUND: The microvolt T-wave alternans is an important index for ventricular arrhythmias prediction and is a promising tool to evaluate non-invasively malignant ventricular arrhythmia and risk of sudden death.

背景：微伏级T波交替是预测室性心律失常的重要指标，有望发展成为一种优越的无创评定发生恶性室性心率失常及猝死危险性的技术。

Aiming an automatic measure for DC sign in microvolt level of weighing sensors used in wireless remote control and measure of electronic suspend scale, the intelligent weighing system based on strain sensing technology is designed, in according to the intelligent characteristics for single chip microcomputer.

软件简介：基于应变传感技术的智能称重系统，是针对无线遥控、遥测电子吊秤及单遥测电子吊秤等称重传感器的微伏级直流信号进行自动测量，利用单片机的智能特点而设计的。

Interference is most difficult to be avoided while measuring the weak signal, Especially when the signal is only at microvolt level.X9313 is a kind of digitally controlled dissurbacne potentiometer produced by Xicor company.We succeed in using it to solve the problem that the signal is too strong, and get the useful signal in a weak signal measurement device.

微信号检测中最难避免的就是干扰问题，特别是在信号仅为微伏级时，信号相对于干扰来说，几乎被完全淹没，因此，研究如何在干扰信号很大的情况下尽可能地检测出有用信号有着极其重要的意义。X9313是Xicor公司推出的一种数字电位器，在某微弱信号检测装置中，采用X9313可成功解决干扰信号过大的问题。

One is auto-zero and the other is chopping. The chopping amplifier with its many parts of modulation switches, pre-amplifier, band-pass selective amplifier, and voltage follower and demodulation switches is designed. The circuit is simulated with HSPICE to optimize. The residual offset of microvolt and the equivalent input noise PSD of 70 nV /Hz were obtained.

zero和斩波Chopping 对失调和噪声的影响，具体针对传感器的信号要求进行了斩波放大电路的调制，预放，带通选择放大器，电压跟随和解调等各个部分的设计，电路使用Hspice进行了仿真优化，达到了微伏量级的残余失调和70 nV /Hz输入等效噪声PSD。

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。