光电池

A soft silvery-white metallic element of the alkali group that ignites spontaneously in air and reacts violently with water, used in photocells and in the manufacture of vacuum tubes.

铷：一种银白色的软的碱性金属元素，与空气接触会立即燃烧，与水反应剧烈，用于光电池和制造真空管。

Its basic principle is to monitor the arc light automatically by the photosensors; the photoelectric signal is analysed and processed automatically by the microprocessor, then it drives the liquid crystal light valve to turn from a "clear state" into a "dark" protective state rapidly . Meanwhile , when the arc light disappears, the system makes the liquid crystal light valve resumed the bright attitude by auto-delay,and microprocessor adjusts eye protection circuit intelligently to reduce the consumption in the maximal degree, which make the working time achieved one or two years by ordinary button cell cooperates with photocells .

其基本原理是由光敏器件自动监测弧光，光电信号经微处理器自动分析处理，快速驱动液晶光阀由透明的亮态迅速变为保护的暗态，当弧光消失时自动延时使液晶光阀恢复亮态；并且微处理器智能调整护目镜电路的工作姿态，最大程度降低功耗，使得普通的扣式电池配合光电池便可以工作一至两年。

Ray filter ; silicon photocell ; stepper motor ; driving means ; auto-switch ; AT89C2051

滤光片；硅光电池；步进电机；驱动方式；自动切换； AT89C2051

As the component of sensor board, the silicon photoelectric cell transforms radiation-ray from the track mark into electrical signal, which is amplified by operation amplifier into voltage signal reshaped by the pulse shaping circuit.

车载传感器板通过硅光电池检测轨道标志的反射光信号，运放将信号放大并转换成电压信号，再通过脉冲整形转化为脉冲信号，实现了轨道标志的检测。

Two simplified analysis formulas on using open circuit voltage and short circuit current are proposed to calculate PN junction quality factor and reverse saturation current of the photocell.

提出了两个使用开路电压和短路电流计算光电池PN结品质因子和反向饱和电流的简化解析计算公式。

This paper adopts a measurement project to track the measurement reflector mirror without orbit by theoretical analyzing and simulant experiment.

作者基于这一想法研究设计了一套涉及光学、精密机械、电子、计算机和自动控制等多学科技术的测量方案，建立了以光电池为光斑位置信号接收传感器，采用ADuC812数据采集芯片进行数据采集和控制的测量控制系统，通过跟踪测量实验验证了这种方法的可行性。

Standard solar panels are assembled from arrays of photovoltaic cells made from silicon, like computer chips.

标准的太阳电池板是由硅做成的光电池并排在一起组成的，就像电脑芯片一样。

Standard solar panels are assembled from arrays of photovoltaic cells made from silicon, like computer chips.

标准的太阳能板是由硅做成的光电池并排在一起组成的，就像是电脑芯片一样。

The maximum theoretical efficiency for a photovoltaic cell is only 32.3%3, but at this efficiency, solar electricity is very economical.

一个光电池最大的理论效率仅仅是32.3%3，但是在这个效率，太阳电能是最节约的。

Somewhat less obvious is the fact that photodiode leakage and photovoltaic cell internal losses are also functions of terminal voltage.

此外，光电二极管的漏电流和光电池的内部损耗也是其端电压的函数。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。