光电流

In this paper,a calculation method of Lissajous figure was proposed,based on the applied voltage and loop current.

为此，基于大气压氦气介质阻挡辉光放电试验测量的外加电压和回路电流，提出了该外加电压下Lissajous图形的计算方法。

Effect of temperature and current on LED luminous efficiency［J］.

温度和电流对白光LED发光效率的影响［J］。

Based on the ideal magnetohydrodynamics, the present paper discusses the linear stability of a semicircular electric current sheet tied at the photoshere.

本文从理想磁流体力学出发，分析了固结在光球层上的半圆弧形电流片的线性稳定性。

In the paper, the electrode system of the original TL/TSC measurement instrument is improved, which greatly facilitates sample exchange and increased liquid nitrogen's running and cooling speed. Through long time and repeated practice we finally find an effective method to prepare films. We've synthesized a new kind of organic photo-refraction material nitryl azobenzene grafting PVK and characterized it with IR spectra. We've also synthesized 5OCB and found the optimal mass ratio of PVK/5OCB/C60-49.8:50:0.2, and given the two-beam coupling testing result.

本文的主要工作是：首先对传统热发光和热激电流测量装置的电极系统进行了改进，使其在换取样品，液氮流动、冷却速度等方面都有了很大提高；摸索了较适合于热激实验的成膜方法；合成了一种新型的有机光折变材料硝基偶氮苯接枝PVK，并对其做了红外谱表征；合成了生色团物质5OCB，找到PVK/5OCB/C_(60)的最佳配比为49.8：50：0.2，并对该体系做了初步的光学测试。

The phase of interference signal is modulated in time domain by sinusoidally changing the injection current of a laser diode. This results in a quasi-heterodyne measurement mode, which increases the measurement accuracy of optical path difference.

通过正弦地改变半导体激光器的注入电流在时域内实现对干涉信号的相位调制，形成准外差干涉测量模式，提高了光程差的测量精度。

In a photoconductive cell, light is used to regulate the flow of current.

在光电导器件中，光用来调节电流。

The branch of physics that studies the properties of materials in the solid state: electrical conduction in crystals of semiconductors and metals; superconductivity; photoconductivity.

物理学中研究物质在固态中的性质：半导晶体的电流传导，超导电性和光导电性。

The detector,(ECADATA company's production), Si-photodiode , is used as the sensor. Its photoelectric current output is proportional to input light's energy. The gasoline flame radiation intensity and flicker frequency are both monitored to improve the system reliability.

经方案比较，决定选用基于火焰的红外光谱辐射特性的火焰检测原理，研制开发火焰监测系统，检测元件选择ECADATA公司生产的红外雪崩型硅光电二极管，光电二极管在接受红外辐射时，其产生光电流的大小与入射光能量成正比。

laser technique ; polarized light ; wave plate ; phase retardation

由于实验过程中有各种因素，如光源的起伏，光电探测器的动态范围、本底电流等，对用测量光强来确定波片的延迟量无疑会直接

It includes high power high voltage constant-current-charging system, capacitors bank, discharge control system, power supply of preignition for Xe-flashlamps, general control and diagnostic system. The power conditioning system drives flashlamps that pump the SSHCL. Flashlamps are driven by high voltage Silicon Controlled Rectifiers switched, resonant charged, discharge pulse forming network. The system uses microchip and digital circle which is based on CAN-bus for control and diagnostics. Energy diagnosis and thermal management are controlled by computers.

其中大功率高压恒流充电装置采用了L-C串联谐振电路，充电功率大，效率较高；储能装置采用了多节脉冲成形网络，可产生波形良好的强电流放电脉冲；放电控制装置采用高压大功率晶闸管，开关速度快，工作稳定；预燃与触发装置采用了开关电源电路，效率高、功耗小；总控与测量装置采用基于CAN总线的数字电路和单片机技术，控制冷却系统在激光器出光时对脉冲氙灯进行水冷，并对全系统进行控制和状态检测，同时具有过压、过流、过热等保护功能。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。