放大

Using a single pulse solar cell tester with constant light intensity for 5ms, we have studied the performance of conventional crystalline silicon solar cell with low concentrator( 1～10 sun)and cells temperature of 15～110℃at laboratory.

结果表明，室温下常规太阳电池的最佳工作点电压V_m和光功率放大系数a随入射光强增加呈现先增后降的趋势，并且串联电阻小的电池下降速度慢，串联电阻大的电池下降速度快；温度对晶体硅太阳电池的工作电压和输出功率相当敏感；在严格控制太阳电池工作温度的条件下，串联电阻小的电池在较宽的聚光范围内可以获得良好的使用效果。

The effect of pulse width on soliton amplification has been studied.

为了获得更短的光脉冲，脉冲放大技术已成为研究的热门课题。

You can also use the spacebar to zoom in and out.

您还可以使用空格进行放大和缩小。

The method for design thin-wall core box cast-in-site concrete hollow floor using common structural computing software is put forward and the scale for the magnifying stiffness coefficient of the spandrel beam and middle beam is discussed.

提出了采用常用的结构计算软件计算薄壁箱体现浇混凝土空心楼盖设计的方法，提出了边梁和中梁刚度放大系数的建议。

The influence of impeller type, baffle configuration and gas sparger on critical suspension speed of floating particle s in an agitated vessel was investigated.

在釜径 386 mm的搅拌釜内，考察了搅拌桨型、挡板和气体分布器等对自浮颗粒三相搅拌混合的临界搅拌转速的影响，并回归了实用的关联式，这对工业过程的设计和放大具有一定的指导意义

Some classical applications and research progress are introduced, such as, selective amplification, frequency multiplication, up-conversion and signal generation in the terms of the gain spectrum as well as the carrier suppression and phase shift from the loss spectral point of view.

从受激布里渊散射增益谱的角度对微波光子信号的选择放大、倍频、上变频和信号产生以及从损耗谱的角度对信号载波抑制和信号相移等典型应用和研究进展进行了介绍。

This structure can decrease spherical aberration coefficients, and improve the convergence of three beams without deteriorating of the focusing performance.

分析表明这种结构减小了透镜像差，并且解决了缩小束间距引起的球差系数和放大率上升的问题。

A nonlinear mapping function based on spherical geometry model is used and nonlinear image magnify can be achieved by this mapping function in image transform.

利用球面几何模型得到了一种非线性的映射关系，并通过分析得到了该映射关系在图像变换中可以得到非线性放大的效果。

Thes are the magnification factor, the spherical aberration and the space charge effect.

本文从分析9显象管电子枪的结构特点出发，讨论了影响荧光屏上电子束光点尺寸的三个主要因素：透镜放大率、球面象差和空间电荷效应。

Energy and optimal pressure of amplified spontaneous emission and laser oscillation are compared.

本文还对自发辐射放大和激光振荡的能量和最佳气压进行了比较。

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。