It includes three aspects: the time resolution, the attenuation length and the effective speed of light.
在北京正负电子对撞机直线加速器试验束上测试TOF闪烁体在不同光反射材料下(tyvek, teflon,millipore,ESR及镀铝薄膜)的性能,包括时间分辨率,衰减长度及光在闪烁体中的有效传播速度。
We also studied the factors which affect the light yield and attenuation length of liquid scintillator.
简要介绍了用于反应堆中微子实验的液体闪烁体的成分,描述了液闪衰减长度和光产额的测量原理、方法、装置及过程,给出了不同配比的液闪的光产额和衰减长度的测量结果,并对液闪光产额和衰减长度的性能及影响因素进行了研究。
Using 800MeV/c electron beam, the time resolution and attenuation length of light transition in plastic scintillators, BC408 and EJ200 packed with Al foil and Tyvek paper, are measured respectively.
利用动量为800MeV/c的电子束,对应用不同包装材料(铝膜和Tyvek)的不同闪烁体(BC408和EJ200)的时间分辨率和光传输衰减长度分别进行测量,以铝膜包装EJ200为最佳选择,其本征时间分辨率(标准偏差)好于90ps,达到BESⅢ的设计指标。
Investigation on optical attenuation of discrete bubbles;
离散泡沫的光学衰减原理研究
The performance parameters of the long plastics scintillation such as technology attenuation length are measured, and the satisfactory teaching effect is achieced in the experiment.
将长塑料闪烁计数器引入核与粒子物理实验教学 ,实验中测量了长塑料闪烁体技术衰减长度等性能参量 ,并取得了较好的教学效果 。
Distribution of beam attenuation coefficient in Taiwan Strait in August 1997～1999
台湾海峡1997年8月至1999年8月份海水光学衰减系数的分布特征
Research on Optical System of MEMS Variable Optical Attenuator;
MEMS可调光衰减器光学系统的研究
Determination of optical properties of superficial layers with ATR method
用衰减全反射法研究极薄介质层的光学性质
Synchronization for the Fractional-order Optical Chaotic System with Different Reduced Decay Rate of the Fundamental Mode
基模衰减率不同的分数阶光学混沌系统的同步
panel mount variable optical attenuator
面板安装可变光衰减器
Attenuation of light is in the form of absorption.
光是以吸收的形式衰减。
Fluorescence two-exponential decay which limits the optical gain of NdP_5O_(14) at high excitation intensity was observed.
观察到高泵浦强度下影响光学增益的荧光双指数衰减曲线。
Research of Measurement of the Total Attenuation Coefficient of Biological Tissue with Optical Coherence Tomography;
基于光学相干层析成像技术的生物组织总衰减系数测量研究
Optical properties and remote sensing retrieval model of diffuse attenuation coefficient of Taihu Lake water body
太湖水体漫射衰减系数的光学特性及其遥感反演模型
Point and spot lighting usually have attenuation coefficients.
点光源、光灯通常具有衰减系数。
4 The half angle of divergence ah should not exceed 9°, the tenth angle of divergence az should not exceed 14°.
光线强度的半衰减角应不超过9°，光线强度1/10衰减解应不超过14°。
Store spot lighting attenuation function in a texture.
将聚光灯的衰减函数存在到纹理内。
Attenuation, Scattering, Modeling water surface, Light shafts, Caustics.
衰减，散射，水面建模，光线束，焦散。
Photo-generated Carriers Decay Properties of Nano-SiC Films;
纳米碳化硅光生载流子衰减特性研究
Study on the Characteristics of Laser Propagation and Attenuation Through the Fog;
激光在雾媒质中的传播衰减特性研究
Studies on Double-exponential Decay of Ionization for H_2~+ Exposed to Intense Lasers;
H_2~+强光电离中的双指数衰减过程研究
Study of the attenuation characteristic of white light-emitting diode by different package
不同封装白光LED衰减特性的研究
LiNbO_3 based S-bend waveguide variable optical attenuator
基于LiNbO_3的S弯曲电光型可变衰减器