On the basis of the analyses of phytoplankton physiology and bio-optics,this paper proposes that the CFE(chloro- phyll fluorescence efficiency)algorithm is not a precision appreach to estimation of fluorescence quantum yield(FQY)by using moderate resolution imaging spectrometer(MODIS)data,and then presents the algorithm,a new MODIS algo- rithm for more accurate estimation of FQY.
通过2006年3月23日渤海和北黄海的 MODIS 数据计算了荧光量子产量,并与叶绿素荧光效率(CFE)产品进行了比较。
This paper designs a system through single-photon counting for calibrating the fluorescence efficiency of the certain material.
荧光效率是X射线滤波荧光法测量实验中的重要参数。
The roots of above-mentioned 50 species were treated with soil salt extractions,physiological indicators(fluorescence efficiency and water potential) were determined and 20 species with stronger salt-tolerance were selected,and the selected trees were planted along coastal roads in Yingkou Coastal Industrial Base,and the survive rates were investigated after 1~2 years.
在实验室条件下初步筛选耐盐碱苗木,利用带有新鲜叶片的植物枝条(共计88种)浸泡在不同盐浓度提取液中,处理3d后,测定相关生理指标(超氧化物歧化酶、丙二醛),初步筛选出50种耐盐性较强的品种,对上述50种品种用土壤提取盐溶液进行树体根处理,测定相关生理指标(荧光效率、水势);并在营口沿海产业基地滨海大道,对筛选出的部分耐盐品种进行绿化,1～2a后分别检测其成活率。
This paper also calculates the luminous flex and luminous efficiency of high pressure sodium lamp, which is commended by standard of road lighting as primary lighting source, based on the spectral luminous effi.
本文还采用最新发现的人眼中第3种感光细胞的光谱光效率和光效能最大值,计算了在道路照明设计标准中主要的推荐的照明光源———高压钠灯的司辰视觉光通量和发光效率,计算结果表明,它与金属卤化物灯相比,高压钠灯的计算值仅是金属卤化物灯的1/3左右。
Through measuring and analyzing of the electro-optical properties of the gas with various mixing ratio and gas pressure, the optimisation of discharge gas was (investigated), from which the following conclusions can be obtained that adding Kr to Ne-Xe discharge gas can significantly increase the luminance, luminous efficiency and can improve chromaticity of white-field .
实验结果表明,与NeXe8气体相比,NeXe8Kr0 5的发光亮度和发光效率分别提高了15%和21%。
To overcome PDP’S shortage of low luminous efficiency, many important modifications are accomplished in panel structure, phosphors material, working gas, manufacturing process and drive circuit.
为克服等离子体显示板发光效率过低的不足,对面光源显示板的结构、材料、工艺和驱动电路诸方面进行多项改进,经改进后的等离子体面光源最小厚度不大于4mm,亮度>350cd/m2,色温为6500 K,发光效率>4Lm/W。
Compared the surface roughness and removal efficiency with the diversity magnetic field intensity,proceed magnetorheological finishing,combined magnetic field intensity is used to polish the material of K9 flat glass of roughness(Ra) 400 nm f.
比较了不同磁场强度下的磁流变抛光情况,以及表面粗糙度和抛光效率的差别,然后,通过采用不同磁场强度组合加工,使初始表面粗糙度(Ra)为400 nm的K9玻璃材料的平面,磁流变抛光30 min,表面粗糙度值达到了0。
Research of LED light extraction efficiency of photonic crystal with square and hexagonal lattice
基于正方和六角排列结构光子晶体对发光二极管出光效率的研究
A new approach to enhance the extraction efficiency of LED
提高发光二极管出光效率的新方法
The calculated result showed that the extraction efficiency of the photonic crystal LED could be enhanced greatly.
理论模拟表明该光子晶体结构GaN LED的出光效率有大幅度提高。
An organic light-emitting diodes(OLEDs) with improved efficiency by inserting a buffer layer using perylenetetracarboxylates(TMEP) between the emitting layer and cathode has been fabricated.
在有机发光器件中的发光层和阴极之间插入了稳定性好、有良好电子传输能力的苝酸四甲酯(TMEP)新型缓冲层,改善了有机电致发光器件的亮度和发光效率。
To improve the emitting efficiency is one of the most important research aspects.
提高有机电致发光器件发光效率的途径有很多种,本文采用的是通过有机多阱结构控制空穴传输,以使空穴和电子在发光层达到注入平衡的方法。
The Simulation of AlGaInP LED's Light Output Efficiency
AlGaInP LED出光效率的模拟
Influence of systematic environment on chemiluminescence efficiency
系统环境对化学光源发光效率的影响
Influence of Slurry Particle Size on Materials Removal Rate and Roughness in High Power Laser Glass Material Polishing
抛光粉颗粒度对高功率激光玻璃材料抛光效率和粗糙度的影响
photoefficiency of photocathode
光电阴极的光电效率
collection efficiency of photomultiplier tube
光电倍增管的收集效率
conversion quantum efficiency of photocathode
光阴极的量子转换效率
Stuty of double frequency efficiency of 1.064μm laser
1.064μm激光的倍频效率研究
Thermal effect and power limit in high power double-clad fiber laser
高功率双包层光纤激光器热效应及功率极限
Research on Absorption Efficiency of Double Cladding Fiber Laser;
双包层光纤激光器中吸收效率的研究
Analysis of the spectral beam combining efficiency of diode laser
半导体激光器光束谱合成效率的分析
Surface Texture Red Light-emitting Diodes with High Extracting Efficiency
高提取效率表面织构红光发光二极管
All-Solid-State Efficient 473nm Blue Laser
全固态高效率473nm蓝光激光器
Study on Power Conversion Efficiency of High-power Laser Diodes
大功率半导体激光器功率转换效率的研究
High efficiency phosphorescence light-emitting diodes with conjugated polymer host
高效率共轭聚合物主体绿光磷光发光二极管
Thermal Effect in High-Power Yb~(3+)-Doped Photonic Crystal Fiber Lasers
掺镱大功率光子晶体光纤激光器热效应分析
High Efficiency Optical Parametric Oscillator 2.7 μm Laser on PPMgLN Pumped by 1064 nm Laser
1064nm激光抽运PPMgLN光参量振荡高效率2.7μm激光器
Efficient white light-emitting device based on phosphorescent emissive layer combining with fluorescent emitter layer
高效率磷光与荧光相结合的白色有机发光器件
Fabrication Process for High Efficiency and High Power Semiconductor Lasers;
高效率高功率半导体激光器的工艺研究