查询词典 broadening

For atomic beams, although the Doppler broadening is very small, but it is still the main obstacle for more accurate observations.

在原子束中，多普勒加宽很小，但仍是精确测量的主要障碍。

Secondly, the effect of Doppler broadening on inversionless optical gain is explored.

无粒子数反转激光研究的主要目的就是要得到用其它方法难于实现的短波长激光。

In this paper, using Doppler broadening positron annihilation technique investigates the effect of multiple implanting and oxygen concentration variation during.

通过多普勒增宽正电子湮没测试，不同剂量和能量注入、退火后的样品其顶层Si中的氧相关缺陷有着不同的性质。

The results show that due to the effect of Doppler broadening the light speed reduction is significant in a range of±600MHz one-photon detuning.

研究了经过EIT介质的光脉冲延迟时间对系统单光子频率失谐量的依赖关系。

Experimental results show that with increasing proton fluence,the S-parameter of the Doppler broadening spectrum gradually decreases,and the W-parameter increases.

研究结果表明，随质子辐照注量的增加，多普勒展宽谱的S参数逐渐减小，W参数逐渐增大。

Fist of all, an advanced positron annihilation coincidence Doppler broadening system was designed and developed and a peak to background ratio of 3.6×10~6 was obtained.

首先我们设计研制了一套高性能的正电子湮没符合多普勒测量系统，其峰谷比可达到3.6×10~6。

In chapter 3, based on the work of chapter 2, we firstly investigate the effect of the spontaneously generated coherence on gain of lasing without inversion in a closed three-levelΛ-type atomic system with Doppler broadening.

这些结论是与以前关于封闭Λ型系统中Doppler展宽对LWI增益影响的研究结果即增益(或强度随Doppler展宽值的增加而单调减小大不相同的。

The result of positron lifetime and Doppler broadening measurements is used to discriminate the native defects in p-type GaAs and InP with different growth technique and carrier concentration.

用正电子寿命及多普勒展宽测量来鉴别不同载流子，不同生长方法生长的p型GaAs和InP中的本征缺陷。

As an auxiliary experiment, the variations in M〓ssbauer parameters and Doppler broadening lineshape parameter S of positron annihilation with annealing temperature have also been investigated.

作为辅助实验，我们还考查了近零磁致伸缩非晶态合金的Mossbauer参量和正电子湮没的Doppler展宽线型参数随退火温度的变化。

The Gaussian properties of laser beams may cause the appearance of gradients in the interference pattern in the measuring volume and a broadening of Doppler spectrum....

本文定量地论述了高斯光束的各因素对测量精度的影响；给出了测量误差表达式，经过各种情况下的理论计算值的对比和分析，得出了两束腰分别在测量区两侧，等距离时，干涉条纹空间频率梯度引起测量误差最小的结论。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。