luminescence centers

PL results show very wide luminescence band in the range of 370 and 500nm when titania films are excited at 260nm at room temperature, and the band results from different luminescence centers.

PL分析表明,在室温下,当用260nm激发TiO2 薄膜时,在370~500nm范围内呈现出很宽的发光带,其对应着不同的发光中心;此外用545nm激发TiO2 薄膜时,在近红外区域内818nm附近处展示出半高宽较宽且强度较强的发光峰。

Based on the quantum confinement -luminescence center model, the mechanism of Nano ZnO exciton luminescent and delect luminescent are analysed, and the authors point out that Nano ZnO luminescent between blue or blue-green band and ultraviolet band.

基于量子限域-发光中心模型,分析了纳米ZnO的激子发光和缺陷发光机制,指出纳米结构ZnO在蓝/蓝绿可见波段和紫外波段发光是通过晶粒内部带隙间的激子复合发光。

The electronic structures of luminescence centers in wurtzite ZnS doped withcopper are studied by using first--principles linear muffin ~tin--orbital method corn-biniflg atomic sphere approximation.

本文使用LMTO－ASA方法计算ZnS掺入激活剂铜所形成的铜发光中心的电子结构，分析了两种不同铜价态的影响。

The charge compensation defects would influcence the local environment of the doped rare earth ions, modifying their site symmetry, and therefore different types of luminescence centers should be formed.

磷光体，研究了Ｅｕ３＋离子的光谱特征与基质化合物的关系，存在三类发光中心，讨论了基质组成对铕离子价态的影响。

The electronic structures of Mn 2+ luminescence centers in Mn-doped ZnS are studied by using first-principles linear muffin-tin-orbital method combining atomic sphere approximation.

用自旋极化的LSD LMTO(Local Spin DensityLinearMuffin Tin OrbitalMethod)方法 ,对ZnS掺入Mn发光中心的电子结构进行了大型超原胞模拟计算。

The variation of luminescence centre,traps concentration and distribution which caused by matrix composition,concentration of Tb3+ion,melting atmosphere,and codoping with other rare earth ions were studied.

采用高温熔融法制备了ZnO-P2O5∶Tb3+玻璃,并以热释光为手段,研究了基质组成、Tb3+掺杂浓度、熔制气氛、Tb3+与其他稀土离子共掺等因素对ZnO-P2O5∶Tb3+玻璃的发光中心、陷阱浓度及陷阱能级分布的影响。

In the M3MgSi2O8(M=Sr,Ba) system the emission spectra of Ce3+ ions consist of the emission bands of the transitions from the Ce3+5d→2F5/2 and 5d→2F7/a levels, Ce3+ ions can substitute for Sr2+ or Ba2+ ions, and then form two different emission centers, respectively.

阐述了在这两种焦硅酸盐体系中，Ce3+均形成两个发光中心，且随Sr，Ba顺序，荧光体发射峰稍稍向短波移动。

The structural region of the dislocation lines are the receiver of Cu luminescent center.

验证了交流电致发光线是位错线被Ｃｕ缀饰的结果；位错线的结构区域是Ｃｕ发光中心的接受体。

Based on the quantum confinement_ luminescence center model, t he relation between the inner electric field( IEF) and the photoluminescence( PL) character is calculated.

从量子限制发光中心模型出发,计算了纳米硅的光致发光(l)征与发光中心间的关系.

Finally, experimental results are explained by quantum confinement model and luminescence center model.

并用量子限制模型和发光中心模型对实验结果进行解释。

the luminous center of a nuclear explosion.

核爆炸中的发光的中心。

Macula Fovea Color Threshold Detection for Primary Glaucoma

原发性青光眼的黄斑中心色阈值检测

Influence of Light Intensity Change on Two-Central Nonvolatile Crossed-Beam Photorefractive Gratings

光强变化对双中心非挥发光折变局域体光栅的影响

Our hair-dressing and Beauty parlor with good service and historical reputation is awaiting your visit.

本美发美容中心，服务优良，素享盛名，欢迎光临。

Research on Key Issues of Core Routers in Optical Burst Switching;

光突发交换中核心节点的关键技术研究

Development of Remote Laser Processing Server-Center System;

远程激光加工服务中心系统的研究与开发

arranged like rays or radii; radiating from a common center.

象光线或辐光线一样排列的；从一个中心发射出的。

The LZH has been active in research, development, consulting and training in all fields of lasertechnology.

汉诺威激光中心一直致力于激光技术领域的研究，发展，咨询工作和激光技术培训。

Diamonds sparkle in the light.

金刚石在光中闪闪发光。

Influence of Surface Quenching Effects on Luminescent Dynamics of Ion Centres in Nanomaterials;

表面猝灭作用对纳米材料中离子中心发光动力学的影响

The profile of recent clinical and basic researches on glaucoma published in SCI journals in Zhongshan Ophthalmic Center

中山眼科中心近年在SCI收录期刊发表的青光眼临床基础研究成果

The street lamps shone frostily, but his heart was glowing with warmth, and there was brightness everywhere lighting up his future.

街灯发着寒光，祥子心中觉得舒畅的发热，处处是光，照亮了自己的将来。

I wish you the ability to develop the light that is within you, to strengthen your spiritual faith, to help your faith in yourself to grow and thrive.

我祝愿你能以光明照亮内心，坚定心灵的信仰，让它在你心中生根发芽。

Welcome to Deep Sea Diving.

欢迎光临深海潜水中心。

The light from an elliptical galaxy is brightest in the center and gradually becomes fainter toward its outer regions.

从椭圆星系发出的光在中心部分最亮越靠近边缘越暗淡。

With flashing eye and grateful heart, and with hand uplifted in pledge and prophecy, she said:

她眼里闪着光芒，心中充满感激之情，举手发誓，展望未来，她说：