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And the absorption spectra and fluorescence emission spectra were measured and investigated as a function of erbium ion doping concentration.

结果显示，掺铒铋硼锗酸盐玻璃中存在着强烈的荧光俘获和浓度猝灭效应。

As the emission spectrum of Erbium ions covers 1550nm, which is the low loss window in fiber optic communication, the study on EDFA and fiber laser is crucial for the development of technology of fiber optical communication.

由于铒离子的发射谱覆盖了1550nm的光纤通信低损耗窗口，因此对掺铒光纤放大器及激光器的研究将对光纤通信技术的发展起着举足轻重的作用。

Perhaps I had intended it to be a staccato emission, but this was no mundane discharge. It was as if the gates of Hull had swung agape. The eructation that emerged was surely the loudest in human history.

也许我本来是想要分段打出这个嗝，但无论如何，这个嗝不同凡响，有如赫尔市城门忽然大开，简直是人类有史以来最响亮的一个嗝。

And modern Chinese medicine mainly raspberry think of temperature, acid, non-toxic, into the liver and kidney by the Second, has thirst, expectorant, detoxification, beauty and other functions, can be used to treat gout, erysipelas,emission, regular consumption of raspberry essence can not old gas light, so that hair is not white, notécontinued, strongyang, Yuet-taek skin, Anhe five internal organs, temperature in Yiqi, TB treatment and virtual wind damage, liver Mingmu.

而现代中医主要认为树莓性温，酸平、无毒，入肝肾二经，有止渴、祛痰、解毒、美颜等功能，可用于治疗痛风、丹毒、遗精等症，常食用树莓可益精气轻身不老，令发不白，补虚续绝，强阴健阳，悦泽肌肤，安和五脏，温中益气，疗痨损风虚，补肝明目。

By measuring the effects of electric field and temperature on the charge emission times, one can identify the physical mechanism for charge escape.

吾人研究发现，此量子化行为，乃一颗一颗储存於介电层缺陷中的电荷散逸所致。

Analyzed essential structure of spectrum analysis system of international, designed VUV excitation with 30W deuterium lamp and emission spectrum analysis system.

分析了国内外PDP荧光粉光谱分析系统的基本结构，设计了以30W氘灯为激发光源的真空紫外激发／发射光谱分析系统。

The results of derivatization indicated that the derivatives can be obtained by the labeling reaction of EASC with estradiol (E2) and estriol (E3) in the presence of NaHCO3 buffer (pH 10.5) at 60℃ for 3 min. The excitation wavelength λ(subscript ex and emission wavelength λ(subscript em were 270 nm and 430 nm, respectively.

EASC与E2和E3在NaHCO3缓冲液(pH10.5)中，于60℃下反应3min即可获得稳定的荧光产物，最大激发波长λ(下标 ex和最大发射波长λ(下标 em分别为270nm和430nm。

The UV-Visible absorption spectra and the fluorescence emission spectra of sixteen tetra-substituted metallo-phthalocyanine complexes {R4PcM, where R=2-［4-(2-sulfonic ethyl)piperazin-1-］ ethoxyl, 2-(piperidin-1-yl)ethoxyl; substitution position at α-position and β-position of phthalocyanine ring; M=Zn, Ni, Coand Cu} were measured.

报道了16种含哌嗪或含哌啶四取代酞菁金属配合物{R4PcM， R=2-［4-(2-磺基乙基)哌嗪-1-基］乙氧基、 2-(哌啶-1-基)乙氧基；取代位置分别在α位和β位； M=Zn， Ni， Co， Cu}的UV-Vis吸收光谱和荧光发射光谱的测定，探讨了中心金属离子、取代基种类及其取代位置、溶剂等因素对酞菁金属配合物UV-Vis吸收光谱和荧光发射光谱性质的影响。

The optimum experimental conditions were as follows: the excitation and emission wavelengths of the complex were 332 nm and 618 nm, respectively, pH=7.5, the concentration of europium ion was 1.2×10^(-5) mol/L, the surfactant concentration of SDBS was 3.0×10^(-5) mol/L.

最佳测定条件为：最大激发和发射波长分别是332和618 nm；pH=7.5；Eu(上标 3+)浓度为1.2×10^(-5) mol/L，SDBS浓度为3.0×10^(-5) mol/L。

Tantalum is an ideal material for hot cathode. It has a low electronic work function, high melting-point, low evaporativity, and good mechanical, high-temperature, chemical properties. Especially in a PCVD ambient for diamond film deposition, its surface is transformed into tantalum carbide which has a much higher melting-point, lower evaporativity and better properties of electron emission.

钽是一种理想的热阴极材料，它具有电子逸出功低、熔点高、蒸发率小、良好的机械性能、高温性能、化学稳定性等优异特点，尤其是在辉光放电PCVD制备金刚石膜的特殊气氛中形成的碳化钽表面层，具有比钽更高的熔点、更低的蒸发率和更好的热电子发射特性。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。