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Lead, arsenic, stibium and bismuth were determined by inductively coupled plasma atomic emission spectrometry in hydrochloric acid medium.

铜精矿经硝酸缓慢溶解，在氨性溶液中，以氢氧化铁和氢氧化镧作载体一次共沉淀铅、砷、锑和铋，并与铜等元素分离，在盐酸介质中用电感耦合等离子体原子发射光谱法测定铜精矿中的铅、砷、锑、铋杂质元素。

It is made clear through the theoretic analysis that this phenomenon is caused by stimulated emission and interband carrier absorption that depend on the longitudinal mode competition, thermal effects, and so on.

理论分析表明这是由于激活区内载流子消耗、带间载流子吸收综合作用的结果，而这些效应与腔内的模式选择、注入电流产生的热效应等过程有关。

Based on rate equations, by use of a new method, a semiconductor optical amplifier theoretical model is constructed taking carrier density pulsation, spectral hole burning, stimulated emission, free carrier absorption, two-photon absorption and ultrafast nonlinear refraction effects into account.

基于速率方程采用新的推导方法得到了可以用来讨论飞秒量级光脉冲传输特性的半导体光放大器理论模型，该模型同时考虑载流子浓度脉动、光谱烧孔、受激辐射、自由载流子吸收、双光子吸收和超快非线性折射效应。

The spectral performance of a self-Raman-active material (Nd:SrMoO4 crystal) was investigated. Its stimulated Raman scattering, absorption spectra, luminescence lifetime, and infrared emission under 808 nm LD excitation were measured at room temperature.

通过拉曼散射光谱，吸收光谱，荧光发射寿命和808 nm LD激发下的红外荧光光谱的实验测量，系统研究了Nd3+：SrMoO4晶体的自受激拉曼光谱性质。

There is a promising application in the study of stimulated emission of organic semiconductor materials such as conjugated polymer.

以共轭聚合物为代表的有机半导体材料的受激发射研究具有巨大的应用前景。

In this paper, the resonance fluorescence spectra, absorption spectra and the stimulated emission spectra of the ...

本论文在理论和实验上研究了原子、分子的荧光光谱、吸收光谱以及受激辐射谱。

Using this property, we investigated the influence of molecular orientation on stimulated emission properties of organic thin films.

利用这个特性，我们研究分子方向对有机薄膜诱发放光特性的效应。

This work was followed by worldwide research aimed at improving understanding of the theory of stimulated emission in semiconductors.

各国相继进行广泛研究，以进一步探讨半导体中的受激发射理论。

The word of laser is an abbreviation for Light Amplification by Stimulated Emission of Radiation.

激光是受激辐射光放大的简称。

The word laser was coined as an acronym for Light Amplification by the Stimulated Emission of Radiation.

激光这个词是由辐射的刺激发散产生的光的扩大的英文首字母缩略词而创造的。

They experience feelings deeply and intensely, and their emotions are often mercurial.

他们的感情深刻而强烈，情绪善变。

Surrounded with or as if with a rampart.

用城墙围绕的用城墙围绕的或类似于为城墙围绕的