查询词典 luminescence

The electron trap energy level structureand the process on the temporal behavior of photoelectrons are separately investigated bythermo-luminescence and microwave absorption dielectric spectrometry.

采用热释光谱和微波吸收介电谱对其电子陷阱及其光电子衰减过程进行了系统的研究。

The luminescence properties were investigated with PL and PLE spectra.Emission peaks were at about 450 nm.This emission was ascribed to the recombination between the sulfur vacancy-related electron trap donor having an energy level just below the conduction band and the Ag-related hole trap acceptor above the valence band.

通过发射光谱和激发光谱对产品的光学性质进行研究，发射峰位于450 nm左右，归属于硫空位相关的电子陷阱施主和银相关的空穴陷阱受主的复合；激发峰位于333 nm左右，归属于ZnS基质的带边吸收。

Rare earth element possess abundant and particular electronic energy band structure,which lead to plentiful electron transition, so these element obtain multiform luminescencecharacter, this series of materials hold important place in luminescence materials zone.

稀土元素原子具有丰富的、特殊的电子能带结构，为多种能级跃迁创造了条件，从而获得良好的发光性能，该系列材料在已开发的发光材料中占有重要的位置。

The effect of energy transfer is an important phenomenon in luminescence material.

能量传递是发光材料中的重要现象。

In addition, we use different kinds of material analysis method to analyses the physics mechanism of luminescence efficiency of erbium ion strengthened by noble metal thin film.

除此之外，我们也利用各种不同材料分析的方式来分析贵金属薄膜增强铒离子发光效率的物理机制。

Such a donor level will make it possible to realize effective room-temperature luminescence of erbium in semiconductor.

从计算结果看，在β-SiC中共掺Er和O是解决Er在Ⅳ族元素半导体中室温高效1.54μm光发射的可能途径。

It was true that the luminescence properties of europium complexes could be optimized by modifying the structures of ligands.

不过，通过对配体进行结构修饰，可以达到优化铕配合物的发光性能的目的。

In the fifth chapter, the organic electro-luminescence devices with europium organic complexes as emitter were prepared and studied.

第五章报道了铕有机配合物作为发光材料的有机电致发光器件的制备和器件的性能。

Photoluminescence spectrum of the final product exhibited strong luminescence from europium ion.

含有稀土配合物的微球展现出了Eu〓的荧光特征峰，具有良好的荧光性能。

Influence of inert lanthanide ions and counter ions on the luminescence properties of europium complexes with 2-thiopheneglyoxylic acid.

惰性稀土离子和抗衡离子对2-噻吩乙酰酸-铕配合物荧光性能的影响。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。