afterglow period是什么意思

网络释义

用法例句

Development on the blue-green long afterglow phosphor doped RE;

稀土蓝绿色长余辉发光粉的研制

The Characteristics of the Prompt Gamma-rays and Early X-ray Afterglows of Gamma-ray Bursts;

伽玛暴及其早期X射线余辉的观测特征

Unusual Afterglow Properties of Tm3+ Doped Yttrium Oxysulfide;

掺铥硫氧化钇的特殊余辉性质

In view of the problems in persistence simulation design of display system in the new type radar,this paper puts forward a method based on persistence address table to solve the problem of nonrepeated random address,and gives out the simulation result.

针对新型雷达显示系统中余辉模拟设计问题,提出了一种基于余辉地址表的方法解决不重复随机地址的问题,并给出了仿真结果,此方法大大节省了显控计算机进行余辉显示的时间,提高了通用显卡实现的雷达光栅显示的性能。

Implementing persistence of raw video in radar raster-scan-display is harder than in random-scan-display,especially in displays that have high-speed rate of raw video data.

雷达光栅扫描显示器显示一次视频信号时 ,实现类似随机扫描体制中的余辉显示是一个难点 ,特别对于一次视频数据率较高的雷达显示器更加难以实现。

Synthesis of the blue long afterglow phosphor Sr_2MgSi_2O_7:Eu,Dy by sol-gel method and its luminescent properties;

溶胶-凝胶法合成蓝色长余辉材料Sr_2MgSi_2O_7:Eu,Dy及其发光特性

Research on spectral propertices of red long afterglow phosphor Y_2O_2S∶Eu,Mg,Ti;

红色长余辉发光材料Y_2O_2S∶Eu,Mg,Ti光谱性能的研究

Preparation of non-grinding CaAl_2O_4:Eu~(2+),Dy~(3+) blue long afterglow material by microwave combustion method;

微波燃烧法制备不球磨CaAl_2O_4:Eu~(2+),Dy~(3+)蓝色长余辉材料

In this paper, the types and development of long persistence luminescent materials including sulphide long persistence materials, alkali-earth aluminate long persistence materials and silicate long persistence materials etc.

介绍了长余辉材料的类型(主要为硫化物型、碱土铝酸盐型及其它基质型余辉发光材料)及发展历史,总结了其研究现状与发光机制,概括了常规制备方法,指出了长余辉发光材料存在的问题和今后研究与应用的方向。

The SrAl_2O_4∶Eu~(2+),Dy~(3+) luminous materials with high brightness and long persistence have been synthesized by solid sintering technology using carbon as reductant.

采用高温固相法,在碳粉还原条件下制备了发光亮度高、余辉时间长的SrAl2O4∶Eu2+,Dy3+长余辉发光材料,对其发光性能进行了研究。

SrAl O : Eu2+, Dy3+ long persistence phosphor has been synthesized by combustion method at 2 4 low temperature.

采用燃烧法在较低温度下快速合成了SrAlO:Eu2+,Dy3+长余辉发光粉体,并利用XRD、荧光分光光度24计等测试手段,研究了合成粉体的物相结构以及工艺因素对材料发光性能的影响。

Through studies of the composition and morphology of different raw materials alumina,the influence on the luminescence properties of rare earth aluminate long afterglow was analyzed.

通研究不同氧化铝原材料的组成和形貌,分析它们对合成稀土铝酸盐长余辉发光材料性能的影响,发现原晶结构和晶粒类型是影响合成产物长余辉发光性能的重要因素;而通常氧化铝原料的纯度基本上可以满足合成原料的纯度要求。

A new kind of orange-red long afterglow Eu and Ti co-doped Y2O3S phosphor was synthesized via a traditional solid state reaction method under reducing atmosphere of CO.

采用高温还原法合成了Eu,Ti共激活橙红色Y2O2S长余辉发光材料,并测量了Y2O2S:0。

The excitation and emission spectra,afterglow spectra and thermoluminescence spectra were examined.

采用微波法合成了新型红色长余辉发光材料CaWO4∶Eu3+,并表征了其结构以及激发、发射光谱和余辉衰减曲线。

reststrahlen band

强反射率带, 余辉带

The descending sun was making brilliance upon the water.

落日将余辉洒在水面上。

The Study of the Long Persistent Phosphor SrAl_2O_4: Eu, Dy;

SrAl_2O_4：Eu，Dy长余辉材料研究

Distribution of Traps in Long Afterglow Phosphors and Its Effect on the Afterglow;

长余辉材料陷阱分布及其对余辉的影响

Some questions of the LLP materials, such as its phosphorescent mechanism, are also discussed.

对长余辉材料中的一些问题,如余辉机理等进行了总结和探讨。

The last ray of the sun had already faded from the cloud-edges.

太阳的余辉已经渐次消失在云端里。

At last, we give our opinion on the probable development of LLP materials in future.

提出了对长余辉材料今后发展的看法。

The radiance of the sunset died away.

夕阳的余辉渐渐地消失了。

The sun set in a blaze of glory.

夕阳在壮丽的余辉中西沉

The slanting light of the setting sun quivers on the sea-like expanse of the river.

夕阳的余辉闪耀在辽阔如海的河面上。

Synthesis and Properties of Long Lasting Phosphorescent Glass/Ceramics;

长余辉发光玻璃/陶瓷的合成及性质

The Application of Auto-measure System of Long Time Emitting Characteristics of Glowing Pigments on VC++ Platform

VC++在长余辉测量系统中的应用

Development of Vacuum Afterglow Tester of Fluorescence Screen

真空系统中荧光屏余辉测试技术研究

The emission of light from a phosphor after removal of excitation.

余辉激振停止后的磷光物质所发出的光

The last orange tint of sunset dissolved into lilac-grey twilight

橙色落日余辉渐渐融化成紫褐色的暮色。

Little by little the shadow rose higher and seemed to drive before it the last rays of the expiring day;

阴影渐渐从海上升起，好似在驱逐落日的余辉。

In the rays of the setting sun we sat on the rocks in the stream, washing clothes.

在落日的余辉下，我们坐在溪中岩石上洗衣服。

She threw the flashlight beam into the corner; The setting sun threw long shadows; cast a spell; cast a warm light.

她把手电的光速投到角落；落日投下长长的余辉。